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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02549170
Other study ID # 161403
Secondary ID 2014-005496-87
Status Completed
Phase Phase 3
First received
Last updated
Start date December 15, 2015
Est. completion date February 23, 2022

Study information

Verified date May 2023
Source Takeda
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The aim of this study is to learn more about the following treatment options in adults with CIDP: - Subcutaneous self-infusion with HyQvia. - Intravenous infusion with Gammagard/Kiovig. Gammagard and Kiovig are the brand names for the same immunoglobulin compound. The study is in two parts. In Part 1, participants receive either HyQvia or a placebo subcutaneously. In Part 2 (only for participants who have a CIPD relapse during Part 1), participants will receive Gammagard Liquid/Kiovig intravenously. US participants will receive Gamunex-C. The first SC infusion will be given in the study clinic. The remaining SC infusions may be given in the study clinic or the participant's home. This will be decided by the study doctor and whether the participant or their caregiver can do the self-infusion.


Recruitment information / eligibility

Status Completed
Enrollment 138
Est. completion date February 23, 2022
Est. primary completion date February 23, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Males or females of age greater than or equal to (>=)18 years old at the time of screening. 2. Participant has a documented diagnosis of definite or probable Chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) (focal atypical CIDP and pure sensory atypical CIDP will be excluded), as confirmed by a neurologist specializing/experienced in neuromuscular diseases to be consistent with the European Federation of Neurological Societies/Peripheral Nerve Society (EFNS/PNS) 2010 criteria (European Federation of Neurological Societies, 2010). Fulfillment of electrodiagnostic criteria must be confirmed by an independent qualified/experienced central reader. 3. Participant has responded to IgG treatment in the past (partial or complete resolution of neurological symptoms and deficits), and must currently be on stable doses of IGIV treatment within the dose range equivalent to a cumulative monthly dose of 0.4 to 2.4 gram per kilogram (g/kg) BW (inclusive) administered intravenously for at least 12 weeks prior to screening. The dosing interval of IGIV treatment must be between 2 and 6 weeks (inclusive). Variations in the dosing interval of up to ± 7 days or monthly dose amount of up to ± 20% between participant's pre-study Immunoglobulin G (IgG) infusions are within acceptable limits. 4. INCAT disability score between 0 and 7 (inclusive). Participants with INCAT scores of 0, 1 (whether from upper or lower extremities), or 2 (if at least 1 point is from an upper extremity) at screening and/or baseline will be required to have a history of significant disability as defined by an INCAT disability score of 2 (must be exclusively from the lower extremities) or greater documented in the medical record. Participants will be eligible if one of the below eligibility criteria are met: Screening and Baseline INCAT disability score of between 3 and 7 inclusive. 1. Screening and/or Baseline INCAT disability score of 2 (both points are from lower extremities). 2. Screening and/or Baseline INCAT disability score of 2 (both points are not from lower extremities) AND has at least a score of 2 or greater documented in the medical record prior to screening. If a score was greater than 2 documented in the medical record prior to screening at least 2 points must be from lower extremities. 3. Screening and/or Baseline INCAT disability score of 0 or 1 AND has at least a score of 2 or greater (both from lower extremities) documented in the medical record prior to screening, at least 2 points must be from lower extremities. 5. If female of childbearing potential, the participant must have a negative pregnancy test at screening and agree to employ a highly effective contraceptive measure throughout the course of the study and for at least 30 days after the last administration of investigational product (IP). 6. Participant is willing and able to sign an Informed Consent Form (ICF). 7. Participant is willing and able to comply with the requirements of the protocol. Exclusion Criteria: 1. Participants with Focal atypical CIDP or pure sensory atypical CIDP. 2. Any neuropathy of other causes, including: 1. Hereditary demyelinating neuropathies, such as hereditary sensory and motor neuropathy (HSMN) (Charcot-Marie-Tooth [CMT] disease), and hereditary sensory and autonomic neuropathies (HSANs). 2. Neuropathies secondary to infections, disorders, or systemic diseases such as Borrelia burgdorferi infection (Lyme disease), diphtheria, systemic lupus erythematosus, POEMS (polyneuropathy, organomegaly, endocrinopathy, M-protein, and skin changes) syndrome, osteosclerotic myeloma, diabetic and non-diabetic lumbosacral radiculoplexus neuropathy, lymphoma, and amyloidosis. 3. Multifocal acquired demyelinating sensory and motor neuropathy (MADSAM). 4. Multifocal motor neuropathy (MMN). 5. Drug-, biologic-, chemotherapy-, or toxin-induced peripheral neuropathy. 3. Immunoglobulin M (IgM) paraproteinemia, including IgM monoclonal gammopathy with high titer antibodies to myelin-associated glycoprotein. 4. Prominent sphincter disturbance. 5. Central demyelinating disorders (eg, multiple sclerosis). 6. Any chronic or debilitating disease, or central nervous disorder that causes neurological symptoms or may interfere with assessment of CIDP or outcome measures (eg, arthritis, stroke, Parkinson's disease, and diabetic peripheral neuropathy) (Participants with clinically diagnosed diabetes mellitus who do not have diabetic peripheral neuropathy, who have adequate glycemic control with Hemoglobin A1C; also known as glycosylated or glycated hemoglobin (HbA1C) of less than (<) 7.5% at screening, and who agree to maintain adequate glycemic control during the study are allowed). 7. Congestive heart failure (New York Heart Association [NYHA] Class III/IV), unstable angina, unstable cardiac arrhythmias, or uncontrolled hypertension (ie, diastolic blood pressure greater than (>) 100 millimeter of mercury (mmHg) and/or systolic blood pressure >160 mmHg). 8. History of deep vein thrombosis or thromboembolic events (eg, cerebrovascular accident, pulmonary embolism) in the past 12 months. 9. Condition(s) which could alter protein catabolism and/or IgG utilization (eg, protein-losing enteropathies, nephrotic syndrome). 10. Known history of chronic kidney disease, or glomerular filtration rate (GFR) of <60 milliliter per minute per 1.73 square meter (mL/min/1.73m^2) estimated based on CKD-EPI equation (Levey et al., 2009) at the time of screening. 11. Participant with active malignancy requiring chemotherapy and/or radiotherapy, or history of malignancy with less than 2 years of complete remission prior to screening. Exceptions are: adequately treated basal cell or squamous cell carcinoma of the skin, carcinoma in situ of the cervix, and stable prostate cancer not requiring treatment. 12. Clinically significant anemia or hemoglobin (Hgb) level of less than (<) 10.0 grams per deciliter (g/dL) at screening. 13. Hypersensitivity or adverse reactions (AR's) (eg, urticaria, breathing difficulty, severe hypotension, or anaphylaxis) to human blood products such as human IgG, albumin, or other blood components. 14. Known allergy to hyaluronidase of human (including recombinant human hyaluronidase) or animal origin (such as bee or wasp venom). 15. Known history of or immunoglobulin A (IgA) deficiency (<8 milligram per deciliter [mg/dL]) at screening. 16. Abnormal laboratory values at screening: 1. Serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) > 2.5* upper limit of normal (ULN) 2. Platelet count <100,000 cells per microliter (cells/mcL). 3. Absolute neutrophil count (ANC) <1000 cells/mcL. 17. Ongoing/active infection with hepatitis A virus (HAV), hepatitis B virus (HBV), hepatitis C virus (HCV), or human immunodeficiency virus (HIV) Type 1/2 infection. 18. The participant has received or is currently receiving treatment with immunomodulatory/ immunosuppressive agents within 6 months prior to screening. 19. Participant has received or is currently receiving treatment with corticosteroids dose within 8 weeks prior to screening, regardless of indication. 20. Participant has undergone plasma exchange (PE) within 3 months prior to screening. 21. The participant has any disorder or condition that in the investigator's judgment may impede the participant's participation in the study, pose increased risk to the participant, or confound the results of the study. 22. The participant is nursing or intends to begin nursing during the course of the study. 23. Participant has participated in another clinical study involving an IP or investigational device within 30 days prior to enrollment, or is scheduled to participate in another clinical study (with the exception of the HYQVIA/HyQvia extension study in CIDP) involving an IP or investigational device during the course of this study. 24. The participant is a family member or employee of the investigator. 25. Participants with acquired or inherited thrombophilic disorders. These will include the specific types of acquired or inherited thrombophilic disorders that could put participants at risk of develop thrombotic events. Examples include: a. Hereditary Thrombophilias i. Factor V Leiden mutation. ii. Prothrombin 20210A mutation. iii. Protein C deficiency. iv. Protein S deficiency. v. Antithrombin deficiency. b. Acquired thrombophilias i. Antiphospholipid antibody syndrome. ii. Activated protein C Resistance acquired. iii. Homocystinemia.

Study Design


Related Conditions & MeSH terms

  • Chronic Inflammatory Demyelinating Polyradiculoneuropathy
  • Polyradiculoneuropathy
  • Polyradiculoneuropathy, Chronic Inflammatory Demyelinating

Intervention

Biological:
HYQVIA
Participants will receive HYQVIA/HyQvia SC which contains both Immune Globulin Infusion 10% (Human) (IGI, 10%) and recombinant human hyaluronidase (rHuPH20).
0.25% albumin placebo solution with rHuPH20
Participants will receive placebo solution (0.25% human albumin in Lactated Ringer's solution) and rHuPH20.
IGIV GAMMAGARD LIQUID/KIOVIG
Participants will receive GAMMAGARD LIQUID/KIOVIG
IGIV GAMUNEX®-C
Participants will receive GAMUNEX®-C

Locations

Country Name City State
Argentina Complejo Medico de la Policia Federal Argentina Churruca Visca Ciudad Autonoma Buenos Aires
Argentina Hospital Britanico de Buenos Aires Ciudad Autonoma Buenos Aires
Argentina Hospital Italiano Ciudad Autonoma Buenos Aires Buenos Aires
Argentina Instituto de Investigaciones Neurologicas Raul Carrea, FLENI Ciudad Autonoma Buenos Aires
Brazil Hospital das Clínicas da Faculdade de Medicina da UNICAMP Campinas Sao Paulo
Brazil Instituto de Neurologia de Curitiba - Hospital Ecoville Curitiba Paraná
Brazil HUAP - UFF - Hospital Universitario Antonio Pedro - Universidade Federal Fluminense Niterói Rio Do Janeiro
Brazil Hospital das Clínicas FMRP-USP Ribeirão Preto Sao Paulo
Brazil Hospital Sao Paulo São Paulo Sao Paulo
Canada University of Alberta Hospital Edmonton Alberta
Canada LHSC - University Hospital London Ontario
Canada Toronto General Hospital Toronto Ontario
Colombia Institucion Prestadora de Servicios de Salud de la Universidad de Antioquia "IPS UNIVERSITARIA" Medellin
Croatia Clinical Hospital Centre Rijeka Rijeka
Croatia Clinical Hospital Centar Zagreb Zagreb
Croatia University Hospital Centre "Sestre Milosrdnice" Zagreb
Czechia Fakultni nemocnice Brno Brno
Czechia Fakultni nemocnice Ostrava Ostrava - Poruba
Czechia Fakultni nemocnice v Motole Praha 5
Denmark Århus Universitetshospital Aarhus
France Groupe Hospitalier Pellegrin - Hôpital Pellegrin Bordeaux Cedex Gironde
France Hopital Neurologique Pierre Wertheimer Bron cedex Rhone
France Hôpital de la Timone Marseille cedex 5 Bouches-du-Rhône
France CHU de Nice Hôpital Pasteur 2 Nice Cedex 1 Alpes Maritimes
Germany Universitaetsklinikum Essen Essen Nordrhein Westfalen
Germany Universitaetsmedizin Goettingen Göttingen Niedersachsen
Germany Universitaetsklinikum Leipzig AoeR Leipzig Sachsen
Greece University Hospital of Patra Patras
Israel Chaim Sheba Medical Center Ramat Gan
Italy Azienda Ospedaliero Universitaria San Martino Genova
Italy Azienda Ospedaliera Universitaria Policlinico G. Martino Messina
Italy Casa di Cura del Policlinico Milano
Italy Fondazione Istituto Neurologico Casimiro Mondino Pavia
Italy Azienda Ospedaliero Universitaria Pisana Pisa
Italy Azienda Ospedaliera Universitaria Policlinico Umberto I - Università di Roma La Sapienza Roma
Italy Azienda Ospedaliera Universitaria Policlinico Tor Vergata Rome Roma
Italy Istituto Clinico Humanitas Rozzano Milano
Italy IRCCS Ospedale Casa Sollievo della Sofferenza San Giovanni Rotondo Foggia
Italy Azienda Ospedaliera Città della Salute e della Scienza di Torino Torino
Italy Azienda Ospedaliero-Universitaria Santa Maria della Misericordia Udine
Mexico Instituto Nacional de Ciencias Médicas y Nutricion Dr. Salvador Zubiran Mexico Distrito Federal
Norway Oslo Universitetssykehus HF, Ullevål Oslo
Poland COPERNICUS Podmiot Leczniczy Sp. z o. o., Gdansk
Poland Uniwersyteckie Centrum Kliniczne Gdansk
Poland Uniwersytecki Szpital Kliniczny nr 1 im. Norberta Barlickiego Lódz
Poland Samodzielny Publiczny Szpital Kliniczny Nr 4 w Lublinie Lublin
Serbia Clinical Center of Serbia Belgrade
Serbia Military Medical Academy Belgrade
Serbia Clinical Center Nis Nis
Slovakia Univerzitna nemocnica Bratislava Nemocnica ak. L. Derera, II. Neurologicka klinika Bratislava
Slovakia Fakultna nemocnica Nitra Nitra
Spain Hospital de la Santa Creu i Sant Pau Barcelona
Spain Hospital Universitari Vall d'Hebron Barcelona
Spain Hospital Universitari de Bellvitge L'Hospitalet de Llobregat Barcelona
Spain Hospital Universitario Virgen del Rocio Sevilla
Sweden Hallands sjukhus Halmstad
Turkey Pamukkale Uni. Med. Fac. Denizli
Turkey Istanbul University Cerrahpasa - Cerrahpasa Medical Faculty Istanbul
Turkey Dokuz Eylul University Faculty of Medicine Izmir
Turkey Selcuk Universitesi Selcuklu Tip Fakultesi Hastanesi Konya
Turkey Celal Bayar University Medical Faculty Manisa
United Kingdom Southmead Hospital Bristol Avon
United Kingdom The Walton Centre Liverpool Merseyside
United Kingdom King's College Hospital London Greater London
United States Regents of the University of colorado Aurora Colorado
United States Austin Neuromuscular Center Austin Texas
United States Immunoe Research Centers Centennial Colorado
United States University of Cincinnati Cincinnati Ohio
United States Cleveland Clinic Cleveland Ohio
United States The Methodist Hospital Research Institute Houston Texas
United States University Texas Physicians CAR Houston Texas
United States University of Kansas Medical Center Research Institute, Inc. Kansas City Kansas
United States Neurology Center of Las Vegas Las Vegas Nevada
United States Hospital for Special Surgery New York New York
United States Rutgers New Jersey Medical School Newark New Jersey
United States University of California-Irvine Orange California
United States Arizona Neuromuscular Research Center Phoenix Arizona
United States Barrow Neurological Institute Phoenix Arizona
United States William Beaumont Hospital Royal Oak Michigan
United States Forbes Norris Mda/als Ctr San Francisco California
United States HonorHealth Neurology Scottsdale Arizona
United States University of South Florida Tampa Florida
United States Wake Forest University Winston-Salem North Carolina

Sponsors (2)

Lead Sponsor Collaborator
Baxalta now part of Shire Takeda Development Center Americas, Inc.

Countries where clinical trial is conducted

United States,  Argentina,  Brazil,  Canada,  Colombia,  Croatia,  Czechia,  Denmark,  France,  Germany,  Greece,  Israel,  Italy,  Mexico,  Norway,  Poland,  Serbia,  Slovakia,  Spain,  Sweden,  Turkey,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Epoch 1: Relapse Rate Relapse rate is defined as the percentage of participants who experience a worsening of functional disability. Worsening of functional disability defined as an increase of >=1 point relative to the pre- subcutaneous (SC) treatment baseline score in 2 consecutive adjusted Inflammatory Neuropathy Cause and Treatment (INCAT) disability score. The INCAT disability score is an effective and responsive tool to assess clinical response to treatment in CIDP. The disability score ranges from 0 to 10 points, where 0 is normal (eg, no upper limb problems and walking not affected) and 10 is severely incapacitated (eg, inability to move either arm for any purposeful movement and restricted to wheelchair, unable to stand and walk a few steps with help). Week 32 End of Epoch 1 Treatment (EOET1)/Unscheduled relapse visit assessment (UV)/Early Termination (ET)
Primary Epoch 2: Responder Rate Responder rate is defined as clinically meaningful improvement in functional ability defined as a decrease of >=1 point in the adjusted INCAT disability score at the completion of the intravenous (IV) treatment period [6 months] or at the last study visit of the IV treatment period, relative to the pre-IV treatment baseline score. Up to 6 Months post-Epoch 1 (End of Epoch 2 Treatment [EOE2T])/Unscheduled visit assessment (UV)/Early Termination
Secondary Epoch 1: Percentage of Participants Who Experience a Worsening of Functional Disability Defined as one or more of the following: an increase of >=1 point relative to the pre-subcutaneous (SC) treatment baseline score in 2 consecutive adjusted Inflammatory Neuropathy Cause and Treatment disability scale (INCAT) scores; who experience CIDP worsening (defined as a >=8 kilo Pascal (kPa) decrease in the hand grip strength in the more affected hand); >=4 points decrease in raw Rasch-built Overall Disability Scale (R-ODS) relative to the pre-SC treatment baseline score (at the time of withdrawal from the SC treatment period). Participants are rounded off to nearest single decimal point. Week 32 (EOET1)/UV/ET
Secondary Time to Relapse Time to relapse is defined as time from the date of the first SC administration of HYQVIA/HyQvia or placebo with rHuPH20 to the date of relapse. Participants who did not relapse were censored at their end of study. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Change From Pre-Subcutaneous (SC) Treatment Baseline in Rasch-built Overall Disability Scale (R-ODS) The Rasch-Built Overall Disability Scale (R-ODS) is a participant self-reported, linearly-weighted overall disability scale that was specifically designed to capture activity and social participation limitations in participant with immune-mediated peripheral neuropathies including CIDP. The R-ODS is comprised of 24 items for which participants are asked to rate their functioning (i.e, no difficulty, some difficulty, or could not do) related to a variety of everyday tasks at the moment of completion. The centile metric R-ODS score range is 0 to 100. Higher scores indicate better condition. The centile metric R-ODS score was used in the ANCOVA analysis. ANCOVA was used for the analysis. Pre-subcutaneous (SC) treatment baseline, end of Epoch 1 treatment (approximately 7.3 months)
Secondary Epoch 1: Number of Participants Experiencing Any Treatment-Emergent Serious and/or Non-serious Adverse Events (SAEs and/or AEs), Regardless of Causality An AE is defined as any untoward medical occurrence in participant administered an Investigational Product (IP) that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. A SAE is defined as an untoward medical occurrence that at any dose meets one or more of the following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization or results in prolongation of an existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, is a medically important event, thromboembolic events, hemolytic anemia. A nonserious AE is an AE that does not meet the criteria. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Number of Participants Experiencing Causally Related Serious and/or Non-Serious Adverse Events (SAEs and/or AEs) AE=any untoward medical occurrence in participant administered IP. AE can therefore be any unfavorable and unintended sign (e.g.,abnormal laboratory finding), symptom (e.g.,rash, pain, discomfort, fever, dizziness, etc.), disease (e.g.,peritonitis,bacteremia,etc.), outcome of death temporally associated with use of IP,considered causally related to the IP. SAE=untoward medical occurrence that at any dose meets following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization/results in prolongation of an existing hospitalization, results in persistent or significant disability/incapacity, is congenital anomaly/birth defect, is medically important event, thromboembolic events, hemolytic anemia. Non-SAE=AE not meeting this criteria. AE recorded by investigator as possibly/probably related to IP is considered related AE, any AE recorded as unlikely/not related is considered unrelated AE. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Number of Participants With Serious and/or Non-serious Adverse Reactions (ARs) Plus Suspected ARs An AR plus suspected AR is any AE that meets any of the following criteria: an AE considered by either the investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following the end of IP infusion, or AE for which causality assessment is missing or indeterminate. A SAE is defined as an untoward medical occurrence that at any dose meets one or more of the following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization or results in prolongation of an existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, is a medically important event, thromboembolic events, hemolytic anemia. A nonserious AE is an AE that does not meet the criteria. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Number of Treatment-emergent Serious and/or Non-serious Adverse Events (SAEs and/or AEs) Associated With Infusions Regardless of Causality AE: any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. SAE: an untoward medical occurrence that at any dose meets one or more of the following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization or results in prolongation of an existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, is a medically important event, thromboembolic events, hemolytic anemia. A nonserious AE is an AE that does not meet the criteria. Participants can have more than one adverse event. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Number of Causally Related Serious and/or Non-serious Adverse Events (SAEs and/or AEs) Associated With Infusions AE: any untoward medical occurrence in participant administered IP. AE can therefore be any unfavorable and unintended sign (e.g., abnormal laboratory finding), symptom (e.g., rash, pain, discomfort, fever, dizziness, etc.), disease (e.g., peritonitis, bacteremia, etc.), outcome of death temporally associated with use of IP, whether or not considered causally related to the IP. SAE: untoward medical occurrence that at any dose meets following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization/results in prolongation of an existing hospitalization, results in persistent or significant disability/incapacity, is congenital anomaly/birth defect, is medically important event, (e.g., thromboembolic events, hemolytic anemia). Non-SAE:AE not meeting this criteria. AE recorded by investigator as possibly/probably related to IP is considered related AE, any AE recorded as unlikely/not related is considered unrelated AE. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Number of Adverse Events (AEs) Temporally Associated With Infusions AEs occurring during an infusion or within 72 hours after completion of an infusion. An AE is defined as any untoward medical occurrence in participant administered an Investigational Product (IP) that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Participants can have more than one temporally associated with infusion adverse event. During an infusion or within 72 hours after completion of an infusion (up to Week 32)
Secondary Epoch 1: Number of Serious and/or Non-serious Adverse Reactions (ARs) Plus Suspected ARs Associated With Infusions AR plus suspected AR: any AE that meets any of the criteria: AE considered by either investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following end of IP infusion, or AE for which causality assessment is missing or indeterminate. SAE: untoward medical occurrence that at any dose meets one or more of following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization or results in prolongation of existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, is a medically important event, thromboembolic events, hemolytic anemia. Nonserious AE is AE that does not meet the criteria. Infusion per event = number of events / total number of infusions administered (started) to participants in analysis set. Participants can have more than one AR/suspected AR associated with infusion. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Number of Treatment-emergent Systemic Adverse Events (AEs) Associated With Infusions A treatment-emergent adverse event (TEAE) is defined as any event not present prior to the initiation of the treatments or any event already present that worsens in either intensity or frequency following exposure to the treatments. Participants can have more than one TEAE associated with infusion. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Number of Treatment-emergent Local Infusion Site Reactions Associated With Infusions AE=any untoward medical occurrence in participant administered an IP that does not have causal relationship with treatment. AE can be any unfavorable and unintended sign (e.g., abnormal laboratory finding), symptom (e.g., rash, pain, discomfort, fever, dizziness, etc.), disease (e.g., peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Adverse reaction/suspected adverse reaction=AE that is considered by the investigator to be possibly or probably related to IP administration, or for which the causality is indeterminate or missing, or that begins during infusion of IP or within 72 hours following the end of IP infusion. Treatment-emergent adverse events (TEAEs) are defined as adverse events that occurred during or after administration of the first dose of IP. Infusion site adverse events and injection site adverse events refer to the same type of adverse events. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Number of Infusions in Participants for Which the Infusion Rate Was Reduced And/Or the Infusion Was Interrupted or Stopped Due to Intolerability And/Or Adverse Events (AEs) Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Rates of Systemic and Local Adverse Events (AEs), Regardless of Causality, Expressed as Number of Events Per Infusion An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Data for number of events per infusion is assessed at the group level as follows: Per infusion = number of events / total number of infusions administered (started) to participants in the analysis set. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Rates of Systemic and Local Adverse Events (AEs), Regardless of Causality, Expressed as Number of Events Per Participant An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Data is reported for number of events per participant which is assessed at the group level as follows: AE per participant = number of AEs/ total number of participants in the safety analysis set. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Rates of Systemic and Local Adverse Events (AEs), Regardless of Causality, Expressed as Number of Events Per 1000 Participant-year An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Data for number of events per 1000 participant-years is assessed as follows: Per 1000 participant-years = 1000 x (number of events / total number of days of exposure, i.e., the sum of duration of treatment for all participants in the safety analysis set, divided by 365.25) Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Rates of Causally Related Systemic and Local Adverse Events (AEs), Expressed As Number of Events Per Infusion An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. An AE that is recorded by the investigator as possibly related or probably related to IP was considered a related AE, and any AE recorded as unlikely related or not related was considered unrelated AE. Data for number of events per infusion is assessed at the group level as follows: Per infusion = number of events / total number of infusions administered (started) to participants in the analysis set. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Rates of Causally Related Systemic and Local Adverse Events (AEs), Expressed As Number of Events Per Participant An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. An AE that is recorded by the investigator as possibly related or probably related to IP was considered a related AE, and any AE recorded as unlikely related or not related was considered unrelated AE. Data is reported for number of events per participant which is assessed at the group level as follows: AE per participant = number of AEs/ total number of participants in the safety analysis set. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Rates of Causally Related Systemic and Local Adverse Events (AEs), Expressed as Number of Events Per Participant-year An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. An AE that is recorded by the investigator as possibly related or probably related to IP was considered a related AE, and any AE recorded as unlikely related or not related was considered unrelated AE. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Rates of Systemic and Local Adverse Reactions (ARs) Plus Suspected ARs, Expressed as Number of Events Per Infusion An AR plus suspected AR is any AE that meets any of the following criteria: an AE considered by either the investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following the end of IP infusion, or AE for which causality assessment is missing or indeterminate. Data for number of events per infusion is assessed at the group level as follows: Per infusion = number of events / total number of infusions administered (started) to participants in the analysis set. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Rates of Systemic and Local Adverse Reactions (ARs) Plus Suspected ARs, Expressed as Number of Events Per Participant An AR plus suspected AR is any AE that meets any of the following criteria: an AE considered by either the investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following the end of IP infusion, or AE for which causality assessment is missing or indeterminate. Data is reported for number of events per participant which is assessed at the group level as follows: AE per participant = number of AEs/ total number of participants in the safety analysis set. Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Rates of Systemic and Local Adverse Reactions (ARs) Plus Suspected ARs, Expressed as Number of Events Per 1000 Participant-Year An AR plus suspected AR is any AE that meets any of the following criteria: an AE considered by either the investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following the end of IP infusion, or AE for which causality assessment is missing or indeterminate. Data for number of events per 1000 participant-years is assessed as follows: Per 1000 participant-years = 1000 x (number of events / total number of days of exposure, i.e., the sum of duration of treatment for all participants in the safety analysis set, divided by 365.25) Week 32 (EOET1)/UV/ET
Secondary Epoch 1: Number of Participants Who Develop Binding and/or Neutralizing Antibodies to Recombinant Human Hyaluronidase (rHuPH20) Number of participants who developed binding and/or neutralizing antibodies to rHuPH20 in Epoch 1 were reported. High-binding antibodies is defined as number of participants who had at least one anti-rHuPH20 antibody titer =1:160 during treatment. Week 32 (EOET1)/UV/ET
Secondary Epoch 2: Number of Participants Experiencing Any Treatment-emergent Serious and/or Non-serious Adverse Events (SAEs and/or AEs), Regardless of Causality Number of participants experiencing any treatment-emergent serious and/or non-serious adverse events regardless of causality in Epoch 2 was reported. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Number of Participants Experiencing Causally Related Serious and/or Non-serious Adverse Events (SAEs and/or AEs) AE: any untoward medical occurrence in participant administered IP. AE can therefore be any unfavorable and unintended sign (e.g., abnormal laboratory finding), symptom (e.g., rash, pain, discomfort, fever, dizziness, etc.), disease (e.g., peritonitis, bacteremia, etc.), outcome of death temporally associated with use of IP, whether or not considered causally related to the IP. SAE: untoward medical occurrence that at any dose meets following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization/results in prolongation of an existing hospitalization, results in persistent or significant disability/incapacity, is congenital anomaly/birth defect, is medically important event, (e.g., thromboembolic events, hemolytic anemia). Non-SAE:AE not meeting this criteria. AE recorded by investigator as possibly/probably related to IP is considered related AE, any AE recorded as unlikely/not related is considered unrelated AE. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Number of Participants With Serious and/or Non-serious Adverse Reactions (ARs) Plus Suspected ARs An adverse reaction/suspected adverse reaction is defined as an Adverse Event that is considered by the investigator to be possibly or probably related to IP administration, or for which the causality is indeterminate or missing, or that begins during infusion of IP or within 72 hours following the end of IP infusion. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Number of Treatment-emergent Serious and/or Non-serious Adverse Events (SAEs and/or AEs) Associated With Infusions Regardless of Causality A SAE is defined as an untoward medical occurrence that at any dose meets one or more of the following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization or results in prolongation of an existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, is a medically important event, thromboembolic events, hemolytic anemia. A nonserious AE is an AE that does not meet the criteria. An AR plus suspected AR is any AE that meets any of the following criteria: an AE considered by either the investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following the end of IP infusion, or AE for which causality assessment is missing or indeterminate. Participants can have more than one adverse event. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Number of Causally Related Serious and/or Non-serious Adverse Events (SAEs and/or AEs) Associated With Infusions AE: any untoward medical occurrence in participant administered IP. AE can therefore be any unfavorable and unintended sign (e.g., abnormal laboratory finding), symptom (e.g., rash, pain, discomfort, fever, dizziness, etc.), disease (e.g., peritonitis, bacteremia, etc.), outcome of death temporally associated with use of IP, whether or not considered causally related to the IP. SAE: untoward medical occurrence that at any dose meets following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization/results in prolongation of an existing hospitalization, results in persistent or significant disability/incapacity, is congenital anomaly/birth defect, is medically important event, (e.g., thromboembolic events, hemolytic anemia). Non-SAE:AE not meeting this criteria. AE recorded by investigator as possibly/probably related to IP is considered related AE, any AE recorded as unlikely/not related is considered unrelated AE. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Number of Adverse Events (AEs) Temporally Associated With Infusions AEs occurring during an infusion or within 72 hours after completion of an infusion. An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Participants can have more than one adverse event. During an infusion or within 72 hours after completion of an infusion (up to Week 32)
Secondary Epoch 2: Number of Serious and/or Non-serious Adverse Reactions (ARs) Plus Suspected ARs Associated With Infusions A SAE is defined as an untoward medical occurrence that at any dose meets one or more of the following criteria: outcome is fatal/results in death, is life-threatening, requires inpatient hospitalization or results in prolongation of an existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, is a medically important event, thromboembolic events, hemolytic anemia. A nonserious AE is an AE that does not meet the criteria. An AR plus suspected AR is any AE that meets any of the following criteria: an AE considered by either the investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following the end of IP infusion, or AE for which causality assessment is missing or indeterminate. Participants can have more than one AR/SAR. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Number of Treatment-emergent Systemic Adverse Events (AEs) Associated With Infusions A treatment-emergent adverse event (TEAE) is defined as any event not present prior to the initiation of the treatments or any event already present that worsens in either intensity or frequency following exposure to the treatments. Participants can have more than one treatment-emergent systemic AEs. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Number of Treatment-emergent Local Infusion Site Reactions Associated With Infusions AE=any untoward medical occurrence in participant administered an IP that does not have causal relationship with treatment. AE can be any unfavorable and unintended sign (e.g., abnormal laboratory finding), symptom (e.g., rash, pain, discomfort, fever, dizziness, etc.), disease (e.g., peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Adverse reaction/suspected adverse reaction=AE that is considered by the investigator to be possibly or probably related to IP administration, or for which the causality is indeterminate or missing, or that begins during infusion of IP or within 72 hours following the end of IP infusion. TEAEs are defined as adverse events that occurred during or after administration of the first dose of IP. Infusion site adverse events and injection site adverse events refer to the same type of adverse events. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Number of Infusions for Which the Infusion Rate Was Reduced and/or the Infusion Was Interrupted or Stopped Due to Intolerability and/or Adverse Events (AEs) An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Rates of Systemic and Local Adverse Events (AEs), Regardless of Causality, Expressed as Number of Events Per Infusion An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Data for number of events per infusion is assessed at the group level as follows: Per infusion = number of events / total number of infusions administered (started) to participants in the analysis set Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Rates of Systemic and Local Adverse Events (AEs), Regardless of Causality, Expressed as Number of Events Per Participant An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Data is reported for number of events per participant which is assessed at the group level as follows: AE per participant = number of AEs/ total number of participants in the safety analysis set. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Rates of Systemic and Local Adverse Events (AEs), Regardless of Causality, Expressed as Number of Events Per 1000 Participant-year An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Rates of Causally Related Systemic and Local Adverse Events (AEs), Expressed As Number of Events Per Infusion An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. An AE that is recorded by the investigator as possibly related or probably related to IP was considered a related AE, and any AE recorded as unlikely related or not related was considered unrelated AE. Data for number of events per infusion is assessed at the group level as follows: Per infusion = number of events / total number of infusions administered (started) to participants in the analysis set Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Rates of Causally Related Systemic and Local Adverse Events (AEs), Expressed as Number of Events Per Participant An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. An AE that is recorded by the investigator as possibly related or probably related to IP was considered a related AE, and any AE recorded as unlikely related or not related was considered unrelated AE. Data is reported for number of events per participant which is assessed at the group level as follows: AE per participant = number of AEs/ total number of participants in the safety analysis set. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Rates of Causally Related Systemic and Local Adverse Events (AEs), Expressed as Number of Events Per Participant-Year An AE is defined as any untoward medical occurrence in participant administered an IP that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and unintended sign (eg, an abnormal laboratory finding), symptom (eg, rash, pain, discomfort, fever, dizziness, etc.), disease (eg, peritonitis, bacteremia, etc.), or outcome of death temporally associated with the use of an IP, whether or not considered causally related to the IP. An AE that is recorded by the investigator as possibly related or probably related to IP was considered a related AE, and any AE recorded as unlikely related or not related was considered unrelated AE. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Rates of Systemic and Local Adverse Reactions (ARs) Plus Suspected Ars, Expressed as Number of Events Per Infusion An AR plus suspected AR is any AE that meets any of the following criteria: an AE considered by either the investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following the end of IP infusion, or AE for which causality assessment is missing or indeterminate. Data for number of events per infusion is assessed at the group level as follows: Per infusion = number of events / total number of infusions administered (started) to participants in the analysis set. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Rates of Systemic and Local Adverse Reactions (ARs) Plus Suspected ARs, Expressed as Number of Events Per Participant An AR plus suspected AR is any AE that meets any of the following criteria: an AE considered by either the investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following the end of IP infusion, or AE for which causality assessment is missing or indeterminate. Data is reported for number of events per participant which is assessed at the group level as follows: AE per participant = number of AEs/ total number of participants in the safety analysis set. Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Rates of Systemic and Local Adverse Reactions (ARs) Plus Suspected ARs, Expressed as Number of Events Per 1000 Participant-Year An AR plus suspected AR is any AE that meets any of the following criteria: an AE considered by either the investigator and/or the sponsor to be possibly or probably related to IP administration, or that begins during infusion of IP or within 72 h following the end of IP infusion, or AE for which causality assessment is missing or indeterminate. Data for number of events per 1000 participant-years is assessed as follows: Per 1000 participant-years = 1000 x (number of events / total number of days of exposure, i.e., the sum of duration of treatment for all participants in the safety analysis set, divided by 365.25) Throughout Epoch 2, up to 6 months post-Epoch 1
Secondary Epoch 2: Percentage of Participants With Clinically Meaningful Improvement in Functional Ability Defined as one or more of the following: a decrease of >=1 point in the adjusted Inflammatory Neuropathy Cause and Treatment disability scale (INCAT) score at 2 consecutive time points; who experience CIDP improvement (defined as =8 kilo Pascal (kPa) increase in hand grip strength in the more affected hand; >=4 points increase in Rasch-built Overall Disability Scale (R-ODS)) at the completion of the intravenous (IV) treatment period [6 months] or at the last study visit of the IV treatment period, relative to the pre-IV treatment baseline score. Throughout Epoch 2, up to 6 months post-Epoch 1
See also
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