About this trial
This is a prospective, single-arm, investigator-initiated clinical trial evaluating the safety and efficacy of a BCMA/CD3 bispecific antibody (CM336) in patients with POEMS syndrome.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥ 18 years.
Diagnosed with POEMS syndrome according to the 2025 Chinese Expert Consensus.
Deemed suitable for BCMA/CD3 bispecific antibody therapy by the investigator.
ECOG performance status 0-2.
Disqualifiers
Chronic inflammatory demyelinating polyneuropathy (CIDP),
MGUS, multiple myeloma, amyloidosis, or other plasma cell disorders not meeting POEMS diagnostic criteria.
Immunosuppressants used for autoimmune neuropathy;
Bisphosphonates used for bone disease;
Trial design
Single group
Treatments tested in this trial
CM336 (BCMA/CD3 bispecific antibody)
DrugCM336 is a bispecific antibody targeting BCMA and CD3, designed to redirect T cells to eliminate abnormal plasma cells.
Treatment groups
Trial outcomes
Primary outcomes
Incidence of Adverse Events and Overall Response Rate (ORR)
To evaluate the safety and efficacy of BCMA/CD3 bispecific antibody therapy in patients with POEMS syndrome.
Secondary outcomes
Hematologic Response Rate
VEGF Response Rate
Duration of Response (DOR)
Disease Control Rate (DCR)
Sponsors and contacts
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