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2025-521034-28-00RecruitingPhase 2

A Study to Assess the Efficacy and Safety of RO7790121 in Patients with Moderate to Severe Rheumatoid Arthritis who have not Responded to or who Cannot Tolerate TNF and/or JAK Inhibitors

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

Source: EU CTIS (euclinicaltrials.eu) · Last updated 14 Sept 2026

Next steps

Brief summary (registry, in English)

To evaluate the efficacy of RO7790121 compared with placebo with respect to change from baseline in Disease Activity Score-28 C-Reactive Protein (DAS28-CRP) at Week 14

Status (registry)
Recruiting
Phase (registry)
Phase 2
Study type
Interventional
Enrollment
89 (estimated)
First submitted
1 Aug 2025
Start date
5 Dec 2025
Lead sponsor
F. Hoffmann-La Roche AG
EU CT number
2025-521034-28-00

What you commit to

  • Study type: Interventional · Phase 2
  • Planned participants: 89
  • 31 sites in 7 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of EU CTIS (euclinicaltrials.eu). It describes the study design.

AI-kivonat: who the study is looking for

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 who did not respond to, lost response to, or could not tolerate TNF and/or JAK inhibitor medicines.

Age
18 years or older
Sex
All sexes can join
Disease stage
Moderate to severe active rheumatoid arthritis: at least 6 swollen joints and at least 6 tender joints, diagnosed at least 3 months ago and meeting the 2010 ACR/EULAR criteria
Earlier treatment
Must have had an inadequate response, loss of response or intolerance to one or more TNF/JAK inhibitors

Main reasons for not taking part

  • Class IV rheumatoid arthritis (ACR revised response criteria)
  • Major surgery within 6 weeks before screening, or planned during the study
  • History of organ transplant
  • Acquired or congenital immunodeficiency

Read by machine on 9 Nov 2026.

Who cannot take part

Copied verbatim from EU CTIS (euclinicaltrials.eu) and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Any major surgery within 6 weeks prior to screening or a major surgery planned during the study

Other illness

  • History of organ transplant

Other

  • Class IV RA according to ACR revised response criteria
  • Acquired or congenital immunodeficiency

Who the study is looking for

  • Have 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)
  • Agreement to adhere to the contraception requirements
  • 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 one or more TNF/JAK inhibitor(s)

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on EU CTIS (euclinicaltrials.eu)

Sites (31)

Sites in registry order. Save your city in your profile to sort them by distance.

SiteCityCountrySite status
Hopital ErasmeAnderlechtBelgiumRecruiting
UZ LeuvenLeuvenBelgiumRecruiting
Staedtisches Klinikum DresdenDresdenGermanyRecruiting
MVZ Rheumatologie und Autoimmunmedizin Hamburg GmbHHamburgGermanyRecruiting
St. Elisabeth Gruppe GmbH Katholische Kliniken Rhein-RuhrHerneGermanyRecruiting
Studienambulanz Rheumazentrum Ratingen GbRRatingenGermanyRecruiting
Region HovedstadenCopenhagen NvDenmarkRecruiting
Region SjaellandKoegeDenmarkRecruiting
Complexo Hospitalario Universitario A CoruñaA CoruñaSpainRecruiting
Hospital Universitari Vall d'HebronBarcelonaSpainRecruiting
Hospital Universitario Reina SofiaCórdobaSpainRecruiting
Hospital General Universitario Gregorio MarañónMadridSpainRecruiting
Hospital Universitario Regional de MálagaMálagaSpainRecruiting
Complexo Hospitalario Universitario De SantiagoSantiago de CompostelaSpainRecruiting
Hospital Universitario Virgen De La MacarenaSevillaSpainRecruiting
Hospital Quironsalud Infanta LuisaSevillaSpainRecruiting
Centre Hospitalier Regional De MarseilleMarseilleFranceRecruiting
Centre Hospitalier Universitaire De MontpellierMontpellier Cedex 5FranceRecruiting
Hopital Cochin Saint Vincent De PaulParisFranceRecruiting
Les Hopitaux Universitaires De StrasbourgStrasbourg Cedex 2FranceRecruiting
Centre Hospitalier Universitaire de ToulouseToulouseFranceRecruiting
Azienda Ospedaliera di PadovaPadovaItalyRecruiting
Azienda USL IRCCS di Reggio EmiliaReggio EmiliaItalyRecruiting
Fondazione Policlinico Universitario Agostino Gemelli IRCCSRomeItalyRecruiting
Humanitas Mirasole S.p.A.RozzanoItalyRecruiting
BIF-MEDBytomPolandRecruiting
Centrum Kliniczno-Badawcze J.Brzezicki B.Gornikiewicz-Brzezicka Lekarze sp.p.ElblagPolandRecruiting
Reumed Sp. z o.o.LublinPolandRecruiting
Twoja Przychodnia Nowosolskie Centrum Medyczne Sp. z o.o.Nowa SolPolandRecruiting
Klinika Reuma Park Sp. z o.o. S.K.WarsawPolandRecruiting
Reumatop Grzegorz Rozumek Karin Pistorius Sp. j.WroclawPolandRecruiting

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This page is information, not medical advice. Discuss any trial with your doctor.