Under construction – not a live service
Sign in
Taking people in BelgiumPhase 2

Tests afimkibart against placebo in adults with rheumatoid arthritis

Tests afimkibart against placebo in adults with rheumatoid arthritis.

Plain-language title generated from the registry record
Registry title: A Study to Assess the Efficacy and Safety of RO7790121 in Participants With Moderate to Severe Rheumatoid Arthritis Who Have Not Responded to or Who Cannot Tolerate Tumor Necrosis Factor (TNF) and/or Janus Kinase (JAK Inhibitors)

Key facts

Where
Brussels and Leuven, BelgiumSee the 2 sites
Phase
Phase 2

AI summary: who the study is looking for

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for adults with moderate to severe active rheumatoid arthritis whose disease did not respond to, or who could not tolerate, TNF and/or JAK inhibitor medicines.

Age
18 years or older
Sex
Women and men can join.
Disease stage
Moderate to severe active rheumatoid arthritis: at least 6 swollen joints and at least 6 tender joints. Diagnosed for at least 3 months and meeting the 2010 ACR/EULAR classification criteria.
Earlier treatment
Must have had an inadequate response, loss of response or intolerance to at least 1 conventional synthetic disease-modifying antirheumatic drug (csDMARD). Cannot have failed more than two TNF inhibitors or JAK inhibitors. Cannot have used other biologic drugs (except TNF inhibitors) or rituximab.

Main reasons for not taking part

  • Failed more than two TNF inhibitors or JAK inhibitors
  • Past or current use of other biologic drugs (except TNF inhibitors) or rituximab
  • History of malignancy, with a few skin and cervical cancer exceptions
  • History of active hepatitis B, hepatitis C or HIV infection
  • History of organ transplant

Read by machine on 12 November 2026.

Where in Belgium

  • HUB ErasmeBrussels, BelgiumTaking people
  • UZ LeuvenLeuven, BelgiumTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Trial details

Who runs it
Hoffmann-La Roche
Trial code
NCT07137598
Record updated
16 October 2026
Original description
This study will assess the efficacy and safety of Afimkibart (also known as RO7790121) compared with placebo in participants with moderate to severe rheumatoid arthritis (RA) who have an inadequate response or intolerance to TNF and/or JAK inhibitors.Read full original descriptionShow less

A Phase II, Multicenter, Double-Blind, Placebo-Controlled Study to Assess the Efficacy and Safety of RO7790121 in Participants With Moderate to Severe Rheumatoid Arthritis Who Have an Inadequate Response or Intolerance to TNF and/or JAK Inhibitors

This study will assess the efficacy and safety of Afimkibart (also known as RO7790121) compared with placebo in participants with moderate to severe rheumatoid arthritis (RA) who have an inadequate response or intolerance to TNF and/or JAK inhibitors.

Inclusion: Has moderate to severe active RA defined by the presence of >=6 swollen joints and >=6 tender joints at screening and baseline (based on 66/68-joint count); Diagnosis of RA for >=3 months and also fulfills the 2010 American College of Rheumatology (ACR)/European Alliance of Associations for Rheumatology (EULAR) classification criteria for RA; Demonstrated an inadequate response or loss of response to or intolerance to >=1 conventional synthetic disease-modifying antirheumatic drug (csDMARD).

Exclusion: Have failed more than two TNF inhibitors or JAK inhibitors; Treatment with investigational therapy within 4 weeks or within 5 half-lives of the investigational therapy, whichever is longer, prior to initiation of study treatment; History of any arthritis with onset prior to age 17 years or current diagnosis of inflammatory joint disease other than RA; Has been treated with intra-articular, intramuscular, intravenous, trigger point or tender point, intra-bursa, or intra-tendon sheath corticosteroids in the preceding 8 weeks prior to the first dose of study drug; Any major surgery within 6 weeks prior to screening or a major surgery planned during the study; Past or current use of other biologic disease-modifying antirheumatic drugs (bDMARDs) (excluding TNF inhibitors) or rituximab; History of a severe allergic reaction or anaphylactic reaction or known hypersensitivity to any component of the study drug (or its excipients) and/or other products in the same class; Any serious, chronic and/or unstable pre-existing medical, psychiatric, or other- condition; History of malignancy, with the exception non-metastatic basal cell or cutaneous squamous cell cancer adequately treated with electrodesiccation and curettage or resection or in situ cervical cancer adequately treated and cured; Participants with severe chronic or recurrent viral, bacterial, parasitic, or fungal infections; History of active hepatitis B virus (HBV), hepatitis C virus (HCV), or human immunodeficiency virus (HIV) infection; History of organ transplant; Abnormal laboratory values and liver function test; Class IV RA according to ACR revised response criteria (Hochberg et al. 1992); Any identified confirmed congenital or acquired immunodeficiency.

ClinicalTrials.gov NCT07137598