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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT05539248
Other study ID # CAN106-PNH-102/201
Secondary ID CTR20220162
Status Recruiting
Phase Phase 1/Phase 2
First received
Last updated
Start date March 25, 2022
Est. completion date December 2025

Study information

Verified date July 2022
Source CANbridge Life Sciences Ltd.
Contact Tianci Kou
Phone +86 21 52996609
Email tianci.kou@canbridgepharma.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of the study is to evaluate the safety, tolerability, efficacy, pharmacokinetics, and pharmacodynamics of CAN106 administered intravenously to subjects with PNH who have not previously been treated with a complement inhibitor.


Description:

This is an open-label, multiple dose escalation study to assess the safety, tolerability, efficacy, PK, PD and immunogenicity of CAN106 given as an IV infusion. The data presented is up to the primary completion date of the study and is for the 26-week primary evaluation period. The study also includes an extension period of up to 52 weeks.


Recruitment information / eligibility

Status Recruiting
Enrollment 78
Est. completion date December 2025
Est. primary completion date December 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: 1. Male or female patients =18 years of age. 2. Body weight =40 kg at screening. 3. Documented diagnosis of PNH within 6 months prior to screening, confirmed by high-sensitivity flow cytometry evaluation of red blood cells (RBCs), with granulocyte or monocyte clone size of =10%. 4. LDH level = 1.5 X ULN at screening. 5. Mean hemoglobin(Hb)<10 g/dL for those who have not received blood. transfusion at screening, based on 2 measurements from separate blood samples collected at interval of 2-8 weeks apart prior to the first dosing. Or hemoglobin < 10 g/dL at the first screening and then with subsequent red blood cell transfusions. 6. Presence of 1 or more of the following PNH-related signs or symptoms within 3 months of Screening: fatigue, hemoglobinuria, abdominal pain, shortness of breath (dyspnea), anemia (hemoglobin < 10 g/dL), history of a major adverse vascular event (including thrombosis), dysphagia, or erectile dysfunction; or history of pRBC transfusion due to PNH. 7. All patients must be vaccinated against meningococcal infections within 3 years prior to, or at the time of, initiating study drug. Patients who initiate study drug treatment less than 2 weeks after receiving a meningococcal vaccine must receive treatment with appropriate prophylactic antibiotics until 2 weeks after vaccination. 8. If available, Haemophilus influenzae type b and Streptococcus pneumoniae vaccines can be administered according to national vaccine guidelines, and antibiotic prophylaxis should be given until 2 weeks after vaccination if the vaccines are administered within 14 days prior to administration. 9. All females of childbearing potential and all males must be willing to use at least one highly effective method of contraception from signing of informed consent until 8 months after the last dose of CAN106 Injection; Male subjects with female partners of childbearing potential must be willing to use condoms in addition to using a highly effective method of contraception. 10. Subjects should be willing to sign the informed consent forms and comply with the study visit. Exclusion Criteria: 1. Current or previous treatment with a complement inhibitor. 2. Positive pregnancy test on day 1, or female patients who are planning to become pregnant or are pregnant or breastfeeding. 3. Participation in an interventional clinical study within 28 days before initiation of dosing on Day 1, or within 5 half-lives of the investigational product, whichever is greater. 4. Platelet count < 30 × 10^9/L at Screening. 5. Absolute neutrophil count < 0.5 × 10^9/L at Screening. 6. Alanine aminotransferase (ALT) > 3 × ULN, or both direct bilirubin and alkaline phosphatase (ALP) > 2 × ULN during the screening period. 7. Serum creatinine > 2.5 × ULN and creatinine clearance < 30 mL/min as calculated by the Cockcroft-Gault formula during the screening period. 8. History of malignancy within 5 years of Screening with the exception of nonmelanoma skin cancer or carcinoma in situ of the cervix that has been treated with no evidence of recurrence. 9. History of bone marrow transplantation. 10. Major surgery within 90 days prior to screening. 11. History of N. meningitidis infection or unexplained, recurrent infection. 12. Known or suspected hereditary complement deficiency. 13. Active systemic bacterial, viral, or fungal infection within 14 days prior to dosing 14. Presence of fever =38°C within 7 days prior to study drug administration. 15. Having received splenectomy within 6 months prior to screening. 16. Known history of severe allergic or anaphylactic reactions to antibiotics and are unwilling to use prophylaxis as specified in the protocol. 17. Patients are excluded if they are taking any of the following medications and are not on a stable regimen(as judged by investigator) for the time period indicated prior to screening: 1. Erythropoietin or immunosuppressants for at least 8 weeks; 2. Corticosteroids for at least 4 weeks; 3. Vitamin K antagonists with a stable international normalized ratio for 4 weeks; 4. Iron supplements or folic acid for at least 4 weeks; 5. Low molecular weight heparin for at least 4 weeks. 18. Known allergy to excipients of CAN106 or allergy to Chinese hamster ovary cell proteins. 19. Immunization with a live-attenuated vaccine 1 month prior to dosing on day 1. 20. Known or suspected history of drug or alcohol abuse or dependence within 1 year prior to the start of Screening. 21. Inability to comply with study requirements. 22. History of or ongoing major cardiac, pulmonary, renal, endocrine, or hepatic disease (eg, active hepatitis) that, in the opinion of the Investigator or Sponsor, precludes the patient's participation in an investigational clinical trial. 23. Known medical or psychological condition(s) or risk factor that, in the opinion of the Investigator, might interfere with the patient's full participation in the study, pose any additional risk for the patient, or confound the assessment of the patient or outcome of the study.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
CAN106 20 mg/kg
Induction and maintenance dosing for cohort 1: 12 mg/kg on Day 1, 16 mg/kg on Day 8, and 20 mg/kg on Day 15 and every 4 weeks thereafter;
CAN106 40 mg/kg
Induction and maintenance dosing for cohort 2: 30 mg/kg on Day 1, and 40mg/kg on Day 8 and every 4 weeks thereafter;
CAN106 80 mg/kg
Induction and maintenance dosing for cohort 3: 60 mg/kg on day 1, and 80 mg/kg on day 15 and every 8 weeks thereafter.

Locations

Country Name City State
China Peking Union Medical College Hospital Beijing Beijing

Sponsors (1)

Lead Sponsor Collaborator
CARE Pharma Shanghai Ltd.

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Incidence and severity of treatment-emergent adverse events (TEAEs) of multiple doses of CAN106 as assessed by CTCAE v5.(Phase 1b) TEAEs were defined as adverse events (AE) that occurred after dosing on Day 1 and up to 28 days after the last dose of CAN106, include adverse events (AEs), serious adverse events (SAEs), AEs of special interest (AESIs), abnormal laboratory data compared with baseline, vital signs, and electrocardiograms (ECGs) 182 days
Primary Percent Change In Lactate Dehydrogenase (LDH) Levels Normalization From Baseline to Day 182(Phase 2) Baseline is defined as the average of all available assessments prior to first CAN106 infusion. Baseline, Day 182
Secondary Area Under the Curve (AUC) - Pharmacokinetics parameter Area under the plasma concentration versus time curve to the last visit (AUC) 182 days
Secondary Maximum Plasma Concentration (Cmax) - Pharmacokinetics parameter Peak plasma concentration 182 days
Secondary Time to Maximum Concentration (Tmax) - Pharmacokinetics parameter Time to reach maximum of concentration (days) 182 days
Secondary t1/2 - Pharmacokinetics parameter Terminal elimination half-life 182 days
Secondary PD parameters-free C5 Maximal change from baseline in free C5 concentrations at each of scheduled post baseline assessment time-points (µg/ml) 182 days
Secondary PD parameters-CH50 Maximal change from baseline total complement activity (CH50) at each of scheduled post baseline assessment time-points (%) 182 days
Secondary PD parameters- total C5 Measure the absolute change from baseline in total C5 concentrations at each of scheduled post baseline assessment time-points (µg/ml) 182 days
Secondary Immunogenicity Anti-drug Antibody (ADA) titers 182 days
Secondary Changes from Baseline in Serum Lactate Dehydrogenase (LDH) Level Changes from baseline in serum LDH level to Day 182 182 days
Secondary Percent Change In Free Hemoglobin Level From Baseline to Day 182 Changes from baseline in free hemoglobin level at each of the scheduled post-baseline time-points 182 days
Secondary Percent Change In Haptoglobin Levels From Baseline to Day 182 Changes in haptoglobin from baseline to each of the scheduled post-baseline time-points 182 days
Secondary Changes in scores of patient-reported outcomes as measured by FACIT-Fatigue from Baseline to Day 182 The FACIT-F is a 13-item, self-reported PRO measure assessing an individual's level of fatigue during their usual daily activities over the past week. This questionnaire is part of the FACIT measurement system, a compilation of questions measuring health-related QoL in patients with cancer and other chronic illnesses. The FACIT-fatigue assesses the level of fatigue using a 4-point Likert scale ranging from 0 (not at all) to 4 (very much). Scores range from 0 to 52, with higher scores indicating greater fatigue 182 days
Secondary Changes in scores of patient-reported outcomes as measured by European Organization for Research and Treatment of Cancer [EORTC]- Quality of life questionnaire-core 30 (QLQ-30) EORTC QLQ-C30 is a self-reported, 30-item generic questionnaire developed to assess 15 domains: global health status scale, five functional scales (physical, role, emotional, cognitive, and social functioning) and nine symptom scales (fatigue, nausea, vomiting, pain, dyspnea, insomnia, appetite loss, constipation, diarrhea and financial difficulties). All the scales range from 0 to 100. A high score on the functional scales represents a high level of functioning, and a high score on the symptom scales represents a high level of symptomatology 182 days
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