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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05052983
Other study ID # RD.06.SPR.203890
Secondary ID 2021-003928-32
Status Completed
Phase Phase 3
First received
Last updated
Start date January 23, 2022
Est. completion date September 11, 2023

Study information

Verified date February 2023
Source Galderma R&D
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The main objective of this study is to assess the long-term durability of response over a 24-week period following withdrawal of nemolizumab in participants with prurigo nodularis (PN) who previously responded to treatment in the Long-term-Extension (LTE) study RD.06.SPR.202699 (NCT05052983). The secondary objective of this study is to assess the safety of nemolizumab compared to placebo over a 24-week period in participants with PN who previously responded to treatment in the LTE study.


Recruitment information / eligibility

Status Completed
Enrollment 34
Est. completion date September 11, 2023
Est. primary completion date September 11, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Participants who achieved a clinical response at Week 52 of the LTE study RD.06.SPR.202699, defined as: 1. IGA score of 0 (clear) or 1 (almost clear) AND 2. =4-point improvement in weekly average of PP NRS score from baseline of the lead-in study Note: Lead-in study baseline is defined as baseline PP NRS score in the Phase 3 studies RD.06.SPR.202685 or RD.06.SPR.203065 for participants who rolled over into the LTE from these studies. For participants who entered the LTE study from the Phase 2 study RD.03.SPR.115828, the baseline PP NRS score at entry into the LTE study RD.06.SPR.202699 will be used 2. Participants with uninterrupted dosing of nemolizumab in the LTE study RD.06.SPR.202699 for 3 months before the Week 52 visit 3. Participants willing and able to transfer into the study at the time of completion of the Week 52 visit in the LTE study RD.06.SPR.202699 4. Female participants of childbearing potential (i.e., fertile, following menarche and until becoming postmenopausal unless permanently sterile) must agree to use an adequate and approved method of contraception throughout the study and for 12 weeks after the last study drug injection. Adequate and approved methods of contraception applicable for the subject and/or her partner are defined in the Protocol 5. Female participants of non-childbearing potential must meet one of the following criteria: 1. Absence of menstrual bleeding for 1 year prior to baseline without any other medical reason, confirmed with follicle-stimulating hormone (FSH) level in the postmenopausal range 2. Documented hysterectomy, bilateral salpingectomy, or bilateral oophorectomy at least 3 months before the study 6. Participants willing and able to comply with all of the time commitments and procedural requirements of the clinical study protocol, including periodic weekly recordings by the subject using an electronic handheld device provided for this study. 7. Understand and sign an ICF before any investigational procedure(s) are performed Exclusion Criteria: 1. Participants who, during their participation in a prior nemolizumab study, experienced an AE which in the opinion of the Investigator could indicate that continued treatment with nemolizumab may present an unreasonable risk for the participant 2. Body weight less than (<) 30 kg (kilogram) 3. Receipt of prohibited medications, including rescue therapy, in the LTE study RD.06.SPR.202699 within 6 months of the Week 52 visit 4. Pregnant women (positive pregnancy test result at baseline visit), breastfeeding women, or women planning a pregnancy during the clinical study 5. Any medical or psychological condition that may put the subject at significant risk according to the Investigator's judgment, if he/she participates in the clinical study, or may interfere with study assessments (e.g., poor venous access or needle-phobia) 6. Planning or expected to have a major surgical procedure during the clinical study 7. Participants unwilling to refrain from using prohibited medications during the clinical study 8. History of alcohol or substance abuse within 6 months of baseline 9. Participants with confirmed or suspected COVID-19 infection within 2 weeks before baseline 10. Any condition the Investigator deems incompatible with participant participation in the study

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Nemolizumab
Participants will receive either 1 [30 milligram (mg)] or 2 (2×30 mg) subcutaneous injection(s) of nemolizumab every 4 weeks (Q4W) for a period of 24 weeks (with last injection at Week 20). Participants will receive the same dosage (1 or 2 SC injections) as received in the lead-in LTE study RD.06.SPR.202699, as assigned by interactive response technology (IRT).
Placebo
Participants will receive either 1 (30 mg) or 2 (2x30 mg) subcutaneous injection(s) of placebo every 4 weeks for a period of 24 weeks (with last injection at Week 20). Participants will receive the same dosage (1 or 2 SC injections) as received in the lead-in LTE study RD.06.SPR.202699, as assigned by IRT.

Locations

Country Name City State
Austria Galderma Investigational Site 5471 Graz
Austria Galderma Investigational Site 6158 Vienna
France Galderma Investigational Site 5104 Brest
France Galderma Investigational Site 5140 Nice
France Galderma Investigational Site 6168 Valence
Germany Galderma Investigational Site 5604 Berlin
Germany Galderma Investigational Site 6082 Bonn
Germany Galderma Investigational Site 6210 Heidelberg
Korea, Republic of Galderma Investigational Site 6098 Ansan
Poland Galderma Investigational Site 6052 Kraków
Poland Galderma Investigational Site 6237 Ostrowiec Swietokrzyski
Poland Galderma Investigational Site 5495 Rzeszów
Switzerland Galderma Investigational Site 5069 Lausanne
United States Galderma Investigational Site 8521 Saint Joseph Missouri

Sponsors (1)

Lead Sponsor Collaborator
Galderma R&D

Countries where clinical trial is conducted

United States,  Austria,  France,  Germany,  Korea, Republic of,  Poland,  Switzerland, 

Outcome

Type Measure Description Time frame Safety issue
Primary Increase in (Weekly Average of the) Peak Pruritus (PP) Numeric Rating Scale (NRS) Score >=4 Points from Baseline Pruritus NRS is a scale that will be used by the participants to report the intensity of their pruritus (itch) during the last 24 hours. For maximum itch intensity: the scores are provided on a scale of 0 to 10, with 0 being 'no itch' and 10 being 'worst itch imaginable'. Higher scores indicate worse outcome. Baseline up to Week 24
Primary Increase in Investigator Global Assessment (IGA) Score >=2 Points From Baseline IGA is a 5-point scale used by the investigator or trained designee to evaluate the global severity of PN. The Investigator will review the participant's skin and give a score of 0 (Clear), 1 (Almost clear), 2 (Mild), 3 (Moderate), or 4 (Severe). Baseline up to Week 24
Secondary Proportion of Participants With Increase in Peak Pruritus (PP) Numeric Rating Scale (NRS) Score of >= 4 Points from Baseline at Each Scheduled Visit Pruritus NRS is a scale that will be used by the participants to report the intensity of their pruritus (itch) during the last 24 hours. For maximum itch intensity: the scores are provided on a scale of 0 to 10, with 0 being 'no itch' and 10 being 'worst itch imaginable'. Higher scores indicate worse outcome. Baseline up to Week 24
Secondary Proportion of Participants Maintaining Investigator Global Assessment (IGA) Success, Defined as IGA Score of 0 (Clear) or 1 (Almost Clear) at Each Scheduled Visit IGA is a 5-point scale used by the investigator or trained designee to evaluate the global severity of PN. The Investigator will review the participant's skin and give a score of 0 (Clear), 1 (Almost clear), 2 (Mild), 3 (Moderate), or 4 (Severe). Baseline up to Week 24
Secondary Proportion of Participants With Increase in Investigator Global Assessment (IGA) >= 2 Points From Baseline at Each Scheduled Visit IGA is a 5-point scale used by the investigator or trained designee to evaluate the global severity of PN. The Investigator will review the participant's skin and give a score of 0 (Clear), 1 (Almost clear), 2 (Mild), 3 (Moderate), or 4 (Severe). Baseline up to Week 24
Secondary Absolute and Percent Change from Baseline in Peak Pruritus (PP) Numeric Rating Scale (NRS) at Each Scheduled Visit Pruritus NRS is a scale that will be used by the participants to report the intensity of their pruritus (itch) during the last 24 hours. For maximum itch intensity: the scores are provided on a scale of 0 to 10, with 0 being 'no itch' and 10 being 'worst itch imaginable'. Higher scores indicate worse outcome. Baseline up to Week 24
Secondary Absolute and Percent Change from Baseline in Sleep Disturbance Numeric Rating Scale (SD NRS) at Each Scheduled Visit An NRS relating to sleep disturbance (SD NRS) will be completed by the participants to report the degree of their sleep loss related to PN. The SD NRS will ask for a unit score on an 11-point scale (0 to 10). The question asked will be: "On a scale of 0 to 10, with 0 being "no sleep loss related to the symptoms of my skin disease (prurigo nodularis)" and 10 being "I did not sleep at all due to the symptoms of my skin disease (prurigo nodularis)", how would you rate your sleep last night?" Baseline up to Week 24
Secondary Change from Baseline in Dermatology Life Quality Index (DLQI) at Week 16 and Week 24 The DLQI is a validated 10-item questionnaire covering domains including symptoms/feelings, daily activities, leisure, work/school, personal relationships, and treatment. The participant will rate each question ranging from 0 (not at all) to 3 (very much) and score ranges from 0 to 30. A higher total score indicates a poorer quality of life (QoL). Baseline, Week 16 and 24
Secondary Incidence and Severity of Adverse Events (AEs), Including Treatment-Emergent AEs (TEAEs), Adverse Events of Special Interest (AESIs), Serious AEs (SAEs), Treatment-Related AEs, and AEs that Lead to Discontinuation Baseline up to Week 32
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