Clinical trial Recruiting at 12 sites Phase 2 Interventional Ages 18 and up

Long-term safety and effectiveness of Afimkibart in rheumatoid arthritis patients who previously used Afimkibart

Official title: An Extension Study to Evaluate the Long-term Safety and Efficacy of Afimkibart (RO7790121) in Patients With Rheumatoid Arthritis Who Participated in Previous Afimkibart Clinical Trials

Run by Hoffmann-La Roche · NCT07620392 · Data updated 2026-11-12

This study tests whether Afimkibart can continue to be safe and helpful for people with moderate to severe rheumatoid arthritis who previously showed improvement or who didn’t tolerate TNF or JAK inhibitors.

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment120 (estimated)
SponsorHoffmann-La Roche
Industry-sponsored
Locations12 sites (Tamarac, Florida and 11 other locations)
StatusRecruiting
StartedJune 3, 2026
Main results expectedJuly 8, 2033
Study endsJuly 8, 2033
Registry record updatedOctober 16, 2026
Trial IDNCT07620392 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults with moderate to severe rheumatoid arthritis who completed the parent study, adhered to contraception requirements, and showed improvement in joint swelling scores compared to baseline.

Probably not a fit

Patients who withdrew from the parent study, permanently discontinued the drug in the parent study, used prohibited therapies, or developed new uncontrolled conditions may not benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a phase 2 extension trial evaluating the long-term safety and efficacy of Afimkibart (RO7790121) in adults with rheumatoid arthritis who had an inadequate response or intolerance to TNF inhibitors and/or JAK inhibitors and previously received Afimkibart. Participants must have completed the parent study, agreed to contraception requirements, and shown improvement in joint swelling scores relative to baseline. The trial will monitor ongoing safety and track efficacy over an extended follow-up period at multiple sites in the United States. Key exclusion criteria include withdrawal from the parent study, permanent discontinuation of the drug in the parent study, use of prohibited therapies during the parent study, or new uncontrolled medical conditions that could affect participation.

Why it matters

Potential benefit: If successful, the trial could confirm extended safety and potential ongoing benefit of Afimkibart for RA patients who previously benefited from the drug.

How similar studies have gone: Prior studies of Afimkibart in RA have demonstrated some improvements, and this extension aims to assess long-term safety and durability of response.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Completed the treatment period of the parent study
* Agreement to adhere to the contraception requirements
* Continued to be evaluated at the follow-up visit of the parent study and achieved improvement in the SJC66/TJC68 relative to baseline

Exclusion Criteria:

* Withdrawal of consent and/or premature discontinuation from parent study
* Any permanent discontinuation of study drug in parent study
* Use of a prohibited therapy during the parent study
* Evidence of any new or uncontrolled concomitant disease that, in the investigator's judgment, would preclude participant participation in the trial

Where it's running

  • Arthritis and Rheumatic Disease Specialty Inc
    Tamarac, Florida, United States
    Recruiting
  • Accurate Clinical Research Inc.
    Lake Charles, Louisiana, United States
    Recruiting
  • Accurate Clinical Management LLC
    Houston, Texas, United States
    Recruiting
  • DM Clinical Research at Tomball
    Tomball, Texas, United States
    Recruiting
  • Rheumatic Disease Center
    Glendale, Wisconsin, United States
    Recruiting
  • Centro Mineiro de Pesquisa - CMIP
    Juiz de Fora, Minas Gerais, Brazil
    Recruiting
Show 6 more locations
  • Centrum Medyczne Reuma Park
    Warsaw, Masovian Voivodeship, Poland
    Recruiting
  • Nzoz Bif-Med
    Bytom, Poland
    Recruiting
  • Centrum Kliniczno-Badawcze J. Brzezicki, B. Górnikiewicz-Brzezicka Lekarze Spó?ka Partne
    Elblag, Poland
    Recruiting
  • Zespol Poradni Specjalistycznych REUMED filia nr 1 Wallenroda
    Lublin, Poland
    Recruiting
  • Twoja Przychodnia NCM
    Nowa Sól, Poland
    Recruiting
  • Reumatop Grzegorz Rozumek Karin Pistorius Spolka Jawna
    Wroclaw, Poland
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.