A Multicenter Study of Belantamab Mafodotin and Mezigdomide in Patients With Relapsed Multiple Myeloma

Trial statusNot yet recruiting
Trial phasePhase 1, Phase 2
Trial typeInterventional
Biological sexAll
Age18+
SponsorCentre Hospitalier Universitaire de Saint Etienne

About this trial

The BELAMI trial is an open label, multicenter, phase 2 study for patients with MM who relapsed following BCMA-directed CAR-T cells or bispecific antibodies with a Phase Ib Safety run-in.

The primary hypothesis of this study is that a combination of ADC targeting BCMA and CELMoD will be efficient for these patients.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Subjects who are ≥ 18 years of age

Participant has a histologically or cytologically confirmed diagnosis of MM as defined by IMWG criteria

Participant has Eastern Cooperative Oncology Group (ECOG) performance status of score of 0, 1, or 2

Participant is considered transplant ineligible or for participants with a history of autologous stem cell transplant (ASCT), ASCT was >100 days before initiating study treatment

Disqualifiers

Patients under guardianship or curators

Patients with insufficient proficiency in French to understand the study information

Prior treatment with an anti-BCMA targeted therapy within 90 days of receiving the first dose of study drugs, or treatment with an investigational agent or approved systemic anti-myeloma therapy (including systemic steroids) within 14 days or 5 half-lives of receiving the first dose of study drugs.

A known intolerance or immediate or delayed hypersensitivity to drugs chemically related to Belantamab mafodontin or Mezigdomide or any of of the components of the study treatment.

Trial design

Design model

Parallel

Treatments tested in this trial

  • CAR-T cells

    Drug

    Combination of Belantamab and Mezigdomide treatments with patients previously treated with anti-BCMA CAR-T cells (with or without bispecific antibodies)

  • BCMA bispecific

    Drug

    Combination of Belantamab and Mezigdomide treatments with patients previously treated with anti-BCMA bispecific antibodies

Treatment groups

44 Participants
are divided into 2 treatment groups
Group A: CAR-T therapy (+/-prior bispecific anti-BCMA treatment too) PatientsExperimental treatment 1 intervention
Group B: Only Anti-BCMA treatment patientsActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

Progression Free Survival

Defined as the duration from the start date of treatment to the date of either progressive disease, or death, whichever occurs first. Progressive disease will be evaluated as defined by 2016 International Myeloma Working Group (IMWG) response criteria, as data permits, and assessed by the investigator.

Time frame
Year 5

Secondary outcomes

1

Overall response rate (ORR)

ORR, defined as CR or VGPR or PR, according to the IMWG criteria at the time of data cutoff

Time frame
Year 5
2

Percentage of patients achieving very good partial response (VGPR) or better, complete response (CR), and partial response (PR).

Percentage of VGPR or better, CR, VGPR, PR, Progression Disease defined according to the IMWG criteria at the time of data cutoff

Time frame
Year 5
3

Time to response (TTR)

Time to response

Time frame
Year 5
4

Duration of response (DOR)

Response duration

Time frame
Year 5

Other outcomes

Sponsors and contacts

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