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A Study of Elranatamab for Inhibitor Eradication in Patients With Hemophilia A

NCT07788469 · Status: NOT_YET_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 20

Last updated 2026-08-26

No results posted yet for this study

Summary

This is a prospective, single-arm, open-label, exploratory clinical study designed to evaluate the safety and efficacy of Elranatamab for inhibitor eradication in adults with moderate-to-severe hemophilia A with inhibitors. A total of 15-20 patients aged ≥18 years will be enrolled. Elranatamab will be administered with a stepwise dose-escalation regimen of 12 mg on Day 1 and 32 mg on Day 4 during Week 1, followed by the target dose of 38 mg once weekly during Weeks 2-3. Patients will then enter a 4-week follow-up period. If the inhibitor titer decreases by \<20% from baseline at Week 3, two additional weekly doses of 38 mg may be administered before follow-up. Treatment response will be assessed according to changes in inhibitor titers following treatment.

Conditions

  • Hemophilia A With Inhibitors

Interventions

DRUG

Elranatamab

Patients receive Elranatamab at 12 mg on Day 1 and 32 mg on Day 4 during Week 1, followed by the target dose of 38 mg once weekly during Weeks 2-3. Patients will then enter a 4-week follow-up period. If the inhibitor titer decreases by \<20% from baseline at Week 3, two additional weekly doses of 38 mg may be administered before follow-up. If the inhibitor titer decreases by \>20% from baseline at Week 3, no further treatment will be given, and patients will proceed directly to follow-up.

Sponsors & Collaborators

  • Institute of Hematology & Blood Diseases Hospital, China

    lead OTHER

Principal Investigators

  • Lei Zhang · Chinese Academy of Medical Science and Blood Disease Hospital

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2026-10-31
Primary Completion
2027-10-31
Completion
2028-10-31

Countries

  • China

Study Locations

More Related Trials

Entities

Drugs

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 NCT07788469 on ClinicalTrials.gov