Observing kidney transplant outcomes in patients treated with vonsetamig

A Noninterventional Extension Study for Patients Treated in Study R5459-RT-1944 With Vonsetamig (BCMA x CD3 Bispecific Antibody) Who Receive a Kidney Transplant

Observational Regeneron Pharmaceuticals · NCT05106387

This study looks at how well kidney transplants work in adults who were treated with vonsetamig before their transplant to see how it affects their health afterward.

Quick facts

Study typeObservational
Enrollment20 (estimated)
Ages18 Years to 70 Years
SexAll
SponsorRegeneron Pharmaceuticals Industry-sponsored
Locations9 sites (Los Angeles, California and 8 other locations)
Trial IDNCT05106387 on ClinicalTrials.gov

What this trial studies

This observational study aims to monitor the long-term outcomes of adult patients who have received a kidney transplant after being treated with vonsetamig in a previous study. Participants will be followed to assess how vonsetamig affects their health post-transplant. The study does not involve administering any new treatments, focusing instead on collecting data regarding patient health and transplant success. It is designed for individuals who have already participated in the earlier study and received a kidney transplant.

Who should consider this trial

Good fit: Ideal candidates are adults who have previously received treatment with vonsetamig and undergone a kidney transplant during the related study.

Not a fit: Patients who have not been treated with vonsetamig or who have not received a kidney transplant will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide valuable insights into the long-term effects of vonsetamig on kidney transplant recipients.

How similar studies have performed: While this study builds on previous research involving vonsetamig, it is primarily observational and may not have direct precedents in terms of its specific focus on kidney transplant outcomes.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Received at least 1 dose of treatment with vonsetamig in study R5459-RT-1944 \[NCT05092347\].
2. Received after acceptable crossmatching, a kidney transplant while enrolled in study R5459-RT-1944
3. Willing and able to comply with clinic visits and study-related procedures
4. Provide informed consent signed by study patient or legally acceptable representative

Exclusion Criteria:

1.There are no exclusion criteria for this study.

Note: Other protocol defined Inclusion/Exclusion criteria may apply

Where this trial is running

Los Angeles, California and 8 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Chronic Kidney DiseaseKidney Transplant
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.