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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05299424
Other study ID # CM336-021001
Secondary ID
Status Not yet recruiting
Phase Phase 1/Phase 2
First received
Last updated
Start date April 15, 2022
Est. completion date December 2026

Study information

Verified date February 2022
Source Keymed Biosciences Co.Ltd
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a multi-center, open-label, Phase 1/2 study in China to evaluate the safety, tolerability, efficacy, pharmacokinetics, pharmacodynamics and immunogenicity of CM336 in patients with relapsed or refractory multiple myeloma. This study consists of a dose escalation part (Phase 1) and a dose extension part (Phase 2 ). The safety and tolerability of CM336 will be evaluated in Phase 1 study, as well as the maximum tolerated dose (MTD) and the recommended dose level for Phase 2 study will be determined. The efficacy of CM336 will be evaluated in Phase 2 study.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 48
Est. completion date December 2026
Est. primary completion date December 2026
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Eastern Cooperative Oncology Group Performance Status (ECOG) of 0-1. - Patients with relapsed or refractory MM who have failed or are intolerant to all therapies with known clinical benefit; patients must have received at least 2 prior anti-myeloma therapies which must contain at least one proteasome inhibitor (PI), one immunomodulatory drug (IMiD), and one anti-CD38 monoclonal antibody (if available). Exclusion Criteria: - Patients who had received BCMA-targeted therapy. - Patients who had received CAR-T therapy. - Patients who had received anti-tumor therapy within 3 weeks or 5 half-lives (whichever is shorter) prior to the first dose of CM336.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
CM336_group 1
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 0.04mg of CM336 on the first day of first cycle (C1D1), 0.04mg on C1D8, 0.04mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 2a
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 0.04mg of CM336 on the first day of first cycle (C1D1), 0.2mg on C1D8, 1.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 2b
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 0.2mg of CM336 on the first day of first cycle (C1D1), 0.2mg on C1D8, 0.2mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 3a
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 0.2mg of CM336 on the first day of first cycle (C1D1), 1.0mg on C1D8, 5.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 3b
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 1.0mg of CM336 on the first day of first cycle (C1D1), 1.0mg on C1D8, 1.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 4a
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 1.0mg of CM336 on the first day of first cycle (C1D1), 5.0mg on C1D8, 15.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 4b
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 2.0mg of CM336 on the first day of first cycle (C1D1), 2.0mg on C1D8, 2.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 5
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 2.0mg of CM336 on the first day of first cycle (C1D1), 8.0mg on C1D8, 24.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 6a
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 2.0mg of CM336 on the first day of first cycle (C1D1), 10.0mg on C1D8, 40.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 6b
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 3.0mg of CM336 on the first day of first cycle (C1D1), 3.0mg on C1D8, 3.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 7
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 3.0mg of CM336 on the first day of first cycle (C1D1), 15.0mg on C1D8, 60.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 8a
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 3.0mg of CM336 on the first day of first cycle (C1D1), 15.0mg on C1D8, 75.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 8b
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 4.0mg of CM336 on the first day of first cycle (C1D1), 4.0mg on C1D8, 4.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_group 9
CM336 will be administered subcutaneously (SC) once a week (QW). Patients will take 4.0mg of CM336 on the first day of first cycle (C1D1), 20.0mg on C1D8, 90.0mg on C1D15 and subsequent treatment cycles until there is evidence of disease progression, unacceptable toxicity or other reasons for treatment discontinuation.
CM336_RP2D
CM336 will be administered subcutaneously (SC) once a week (QW). Individual subjects may continue study treatment until disease progression/relapse, unacceptable toxicity, withdrawal of consent, receipt of other anti-MM therapies, death, loss to follow-up, or the end of study.

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Keymed Biosciences Co.Ltd

Outcome

Type Measure Description Time frame Safety issue
Primary Dose-limiting toxicities (DLTs) Dose-limiting toxicities (DLTs) 21 days after the first dose
Primary Adverse events (AEs) Adverse events (AEs), including any abnormal physical examinations, abnormal vital signs, abnormal ECG, and abnormal lab testing. Up to 4.5 years
Primary Overall Response Rate (ORR) Assessed according to International Myeloma Working Group (IMWG) response criteria. up to 4.5 years
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