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Study of YKST02 in Adults With Relapsed or Refractory Multiple Myeloma

NCT07695740 · Status: NOT_YET_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 64

Last updated 2026-07-10

No results posted yet for this study

Summary

The goal of this Phase 2 clinical trial is to learn whether YKST02 is effective and safe in adults with relapsed or refractory multiple myeloma. The study will also evaluate how YKST02 is processed by the body (pharmacokinetics), how it affects the body (pharmacodynamics), and whether it causes the body to produce anti-drug antibodies.

The main questions it aims to answer are:

Does YKST02 demonstrate clinical efficacy in adults with relapsed or refractory multiple myeloma? What side effects occur during treatment with YKST02? What are the pharmacokinetic, pharmacodynamic, and immunogenicity characteristics of YKST02?

Participants will:

Complete screening assessments to determine whether they are eligible for the study.

Receive YKST02 by intravenous infusion according to the study treatment schedule.

Undergo regular assessments to evaluate treatment response and monitor safety. Provide blood and urine samples for pharmacokinetic, pharmacodynamic, and immunogenicity testing.

Complete follow-up visits after treatment discontinuation to monitor disease progression and survival.

Multiple myeloma is a cancer of plasma cells that remains incurable despite advances in treatment. Although currently available therapies can improve outcomes, most patients eventually experience disease relapse or become refractory to treatment.

YKST02 is an investigational humanized bispecific antibody targeting BCMA on myeloma cells and CD3 on T cells. Simultaneous binding to BCMA and CD3 may activate T cells and promote tumor cell killing.

This is a multicenter, open-label study consisting of two parts (Phase IIa and Phase IIb). In Phase IIa, participants will initially receive YKST02 at the starting dose level. Safety and efficacy data from this part of the study will be reviewed to determine the dose to be evaluated in Phase IIb.

Conditions

  • Relapsed or Refractory Multiple Myeloma (RRMM)

Interventions

DRUG

YKST02

Participants will receive YKST02 by intravenous infusion according to the protocol-defined treatment schedule. Treatment will continue until a protocol-defined treatment discontinuation criterion is met.

Sponsors & Collaborators

  • Excyte Biopharma Ltd

    lead INDUSTRY

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
75 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-09-30
Primary Completion
2029-09-30
Completion
2029-09-30

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07695740 on ClinicalTrials.gov