Clinical trial • Phase III • Gastroenterology

RO7790121 for Moderately to severely active Crohn's disease

Phase III trial of RO7790121 for Moderately to severely active Crohn's disease.

Overview

Trial Therapeutic Area
Gastroenterology
Trial Disease
Moderately to severely active Crohn's disease
Trial Stage
Phase III
Drug Modality
Monoclonal antibody

Key dates

Initial CTIS Submission Date
03-12-2024
First CTIS Authorization Date
14-04-2025

Trial design

Randomised, placebo (ro7790121 placebo); dose and schedule not specified. active arms: ro7790121 (two ro7790121 arms stated) and matching placebo.-controlled Phase III trial in Hungary, Portugal, Netherlands and others.

Randomised
Yes
Comparator
Placebo (RO7790121 Placebo); dose and schedule not specified. Active arms: RO7790121 (two RO7790121 arms stated) and matching placebo.
Biomarker Stratified
True, TL1A (tumor necrosis factor-like ligand 1A) biomarker-defined subgroups
Target Sample Size
256

Eligibility

Recruits 256 Vulnerable population flagged in the application. Study materials include age-specific informed consent/assent documents (e.g., 'L1_SIS and ICF_Infants', 'L1_SIS and ICF_Assent 12-17 yo', parental consent / PPA forms). Assent is provided for adolescents (12-17) where applicable and parental/guardian consent for infants/children; there are also dedicated ICFs for pregnant partners and infant health. Multiple language versions of ICFs and assent forms are provided per country..

Vulnerable Population
Vulnerable population flagged in the application. Study materials include age-specific informed consent/assent documents (e.g., 'L1_SIS and ICF_Infants', 'L1_SIS and ICF_Assent 12-17 yo', parental consent / PPA forms). Assent is provided for adolescents (12-17) where applicable and parental/guardian consent for infants/children; there are also dedicated ICFs for pregnant partners and infant health. Multiple language versions of ICFs and assent forms are provided per country.

Inclusion criteria

  • {"criterion_text":"- General Inclusion Criteria Age ≥18 to ≤ 80 years at the time of signing Informed Consent Form"}
  • {"criterion_text":"- General Inclusion Criteria Bodyweight ≥ 40 kg"}
  • {"criterion_text":"- Crohn's Disease-Specific Inclusion Criteria Confirmed diagnosis of CD with supportive clinical, endoscopic and histopathological evidence"}
  • {"criterion_text":"- Crohn's Disease-Specific Inclusion Criteria Moderately to severely active CD, meeting all of the following: - CDAI ≥ 220 and ≤ 450 - SES-CD of ≥ 6 (or ≥ 4 for isolated ileal disease) -"}
  • {"criterion_text":"- Crohn's Disease-Specific Inclusion Criteria Involvement of ileum and/or colon, with at least four colonic segments traversable by an endoscope or a pediatric endoscope, or three segments for patients who have undergone a bowel resection among the following segments: terminal ileum, right colon, transverse colon, sigmoid and left colon, and rectum."}
  • {"criterion_text":"- Crohn's Disease-Specific Inclusion Criteria Screening for colorectal cancer (CRC) during or prior to screening for all participants (performed according to local standards)  with risk factors for bowel cancer a surveillance ileocolonoscopy must be performed within 12 months prior to screening.  For all other patients, must be up to date with CRC surveillance (according to CRC risks and local standards)  Screening ileocolonoscopy can be used for CRC surveillance (following local guidelines) and results must be available prior to randomization Any adenomatous polyps must be completely removed according to routine practice prior to their first dose of study drug."}

Exclusion criteria

  • {"criterion_text":"- Inflammatory Bowel Disease Exclusion Criteria Participant with a history of ≥ 3 bowel resections > 2 missing segments of the following 5 segments: terminal ileum, right colon, transverse colon, sigmoid and left colon, and rectum"}
  • {"criterion_text":"- Inflammatory Bowel Disease Exclusion Criteria Diagnosis of short gut or short bowel syndrome"}
  • {"criterion_text":"- Medical History Exclusion Criteria Lack of peripheral venous access"}
  • {"criterion_text":"- Medical History Exclusion Criteria Significant uncontrolled medical comorbidity (such as cardiac, pulmonary, renal, hepatic, endocrine, or gastrointestinal disorders [excluding CD]), psychiatric, or other condition that in the opinion of the investigator, would confound the study results, compromise patient safety, interfere with the potential participant's provision of informed consent, or compliance with trial procedures."}
  • {"criterion_text":"- Infection or Infection Risk Exclusion Criteria Any clinically significant infection < 4 weeks prior to randomization that has not resolved, and/or that required hospitalization, and/or IV antibiotics Any clinically significant infection that was opportunistic in nature is not permitted within 3 months prior to randomization"}
  • {"criterion_text":"- Infection or Infection Risk Exclusion Criteria Confirmation of HIV infection (e.g., positive HIV test) at screening"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- 1. Clinical remission, defined as CDAI < 150,","definition_or_measurement_approach":"Clinical remission defined as Crohn's Disease Activity Index (CDAI) < 150"}
  • {"endpoint_text":"- 2. Endoscopic response, defined as decrease in SES-CD from baseline ≥ 50%,","definition_or_measurement_approach":"Endoscopic response defined as a ≥50% decrease in Simple Endoscopic Score for Crohn's Disease (SES-CD) from baseline"}

Secondary endpoints

  • {"endpoint_text":"- 1. Clinical remission, as defined above,","definition_or_measurement_approach":"See primary definition: CDAI < 150"}
  • {"endpoint_text":"- 2. Endoscopic response, as defined above,","definition_or_measurement_approach":"See primary definition: ≥50% decrease in SES-CD from baseline"}
  • {"endpoint_text":"- 3. Symptomatic remission,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 4. Endoscopic remission,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 5. Ulcer-free endoscopy,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 6. SF, from baseline","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 7. APS, from baseline","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 8. Endoscopic remission,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 9. Symptomatic remission,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 10. Corticosteroid-free clinical remission,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 11. Maintenance of clinical remission,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 12. Maintenance of endoscopic response,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 13. Clinical remission and endoscopic remission,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 14. Ulcer-free endoscopy,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 15. Bowel urgency, from baseline","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 16. Fatigue, as measured by Functional Assessment of Chronic Illness Therapy-Fatigue Scale (FACIT-F), from baseline","definition_or_measurement_approach":"Fatigue measured by FACIT-F scale"}
  • {"endpoint_text":"- 17. Inflammatory Bowel Disease Questionnaire (IBDQ) score, from baseline","definition_or_measurement_approach":"Health-related quality of life measured by IBDQ"}
  • {"endpoint_text":"- 18. Clinical remission","definition_or_measurement_approach":"CDAI-based definition as above"}
  • {"endpoint_text":"- 19. Clinical remission","definition_or_measurement_approach":"CDAI-based"}
  • {"endpoint_text":"- 20. Endoscopic response","definition_or_measurement_approach":"SES-CD based"}
  • {"endpoint_text":"- 21. Endoscopic response","definition_or_measurement_approach":"SES-CD based"}
  • {"endpoint_text":"- 22. Clinical response,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 23. Symptomatic response,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 24. Overall change in CD symptoms,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 25. Overall severity in CD symptoms,","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 26. General well-being, from baseline","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 27. Incidence and severity of the following: - Adverse events","definition_or_measurement_approach":"Safety assessed by incidence and severity of adverse events"}
  • {"endpoint_text":"- 28. Incidence and severity of the following: - Serious adverse events","definition_or_measurement_approach":"Safety assessed by incidence and severity of serious adverse events"}
  • {"endpoint_text":"- 29. Incidence and severity of the following: - Adverse events leading to study treatment discontinuation","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 30. Incidence and severity of the following: - Adverse events of special interest","definition_or_measurement_approach":""}
  • {"endpoint_text":"- 31. Presence of draining fistulas","definition_or_measurement_approach":""}

Recruitment

Digital Remote Recruitment
True, uses social media posts, online patient flyers, and electronic patient-reported outcome (eCOA) tools
Planned Sample Size
256
Recruitment Window Months
69
Consent Approach
Informed consent obtained from participants via study-specific ICFs. Age-specific documents are provided: assent forms for adolescents (e.g., 'Assent 12-17 yo'), parental/guardian consent and infant ICFs for younger participants, and dedicated ICFs for pregnant partners/infants. Multiple language versions of ICFs and related materials are provided for country-specific deployment.

Methods

  • Social media posts (documents: K2_social media_text, K4_Social Media Posts_IBD) — digital outreach to patients and public
  • Patient-facing materials: posters and flyers (K2_Patient Poster, K2_Patient Flyer) — placed in clinics and hospitals to reach IBD patients
  • Database letters / patient database communications (K2_Recruitment material_Database Letter) — contacting patients in existing databases
  • Communication to doctors/GPs and professional outreach (K1_Recruitment Arrangements / Communication to Doctors) — engaging clinicians to refer eligible patients
  • eCOA / electronic patient-reported outcome tools (third-party eCOA vendor documents present) — digital data capture and participant contact

Geography

Total Number Of Sites
132
Total Number Of Participants
348

Hungary

Earliest CTIS Part Ii Submission Date
28-03-2025
Latest Decision Or Authorization Date
26-08-2025
Processing Time Days
151
Number Of Sites
8
Number Of Participants
21

Portugal

Earliest CTIS Part Ii Submission Date
27-03-2025
Latest Decision Or Authorization Date
22-08-2025
Processing Time Days
148
Number Of Sites
5
Number Of Participants
5

Netherlands

Earliest CTIS Part Ii Submission Date
03-04-2025
Latest Decision Or Authorization Date
22-08-2025
Processing Time Days
141
Number Of Sites
6
Number Of Participants
18

Denmark

Earliest CTIS Part Ii Submission Date
18-12-2024
Latest Decision Or Authorization Date
27-08-2025
Processing Time Days
252
Number Of Sites
1
Number Of Participants
3

Spain

Earliest CTIS Part Ii Submission Date
21-03-2025
Latest Decision Or Authorization Date
25-08-2025
Processing Time Days
157
Number Of Sites
7
Number Of Participants
14

Croatia

Earliest CTIS Part Ii Submission Date
01-04-2025
Latest Decision Or Authorization Date
22-04-2025
Processing Time Days
167
Number Of Sites
3
Number Of Participants
10

Italy

Earliest CTIS Part Ii Submission Date
26-03-2025
Latest Decision Or Authorization Date
26-08-2025
Processing Time Days
153
Number Of Sites
17
Number Of Participants
47

Germany

Earliest CTIS Part Ii Submission Date
26-03-2025
Latest Decision Or Authorization Date
22-08-2025
Processing Time Days
149
Number Of Sites
11
Number Of Participants
31

France

Earliest CTIS Part Ii Submission Date
04-04-2025
Latest Decision Or Authorization Date
27-08-2025
Processing Time Days
145
Number Of Sites
12
Number Of Participants
57

Poland

Earliest CTIS Part Ii Submission Date
10-03-2025
Latest Decision Or Authorization Date
05-12-2025
Processing Time Days
270
Number Of Sites
28
Number Of Participants
35

Romania

Earliest CTIS Part Ii Submission Date
02-04-2025
Latest Decision Or Authorization Date
02-02-2026
Processing Time Days
306
Number Of Sites
3
Number Of Participants
9

Czechia

Earliest CTIS Part Ii Submission Date
25-03-2025
Latest Decision Or Authorization Date
18-11-2025
Processing Time Days
238
Number Of Sites
4
Number Of Participants
22

Belgium

Earliest CTIS Part Ii Submission Date
11-03-2025
Latest Decision Or Authorization Date
12-01-2026
Processing Time Days
307
Number Of Sites
13
Number Of Participants
23

Austria

Earliest CTIS Part Ii Submission Date
26-03-2025
Latest Decision Or Authorization Date
17-11-2025
Processing Time Days
236
Number Of Sites
4
Number Of Participants
11

Bulgaria

Earliest CTIS Part Ii Submission Date
02-04-2025
Latest Decision Or Authorization Date
02-03-2026
Processing Time Days
334
Number Of Sites
5
Number Of Participants
30

Slovakia

Earliest CTIS Part Ii Submission Date
28-03-2025
Latest Decision Or Authorization Date
01-12-2025
Processing Time Days
248
Number Of Sites
4
Number Of Participants
12

Sponsor

Primary sponsor

Full Name
F. Hoffmann-La Roche AG
Organisation Type
Pharmaceutical company
Country Of Registered Address
Switzerland

Contract research organisations

Name
Icon Clinical Research Limited
Responsibilities
Global CRO
Name
IQVIA Limited
Responsibilities
sponsorDuties code: 1
Name
PPD Development LP
Responsibilities
sponsorDuties code: 4

Third parties

  • {"country":"Canada","full_name":"Alimentiv Inc.","duties_or_roles":"Central Imaging","organisation_type":"Pharmaceutical company"}
  • {"country":"Switzerland","full_name":"Labcorp Central Laboratory Services SARL","duties_or_roles":"sponsorDuties code: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Pathai Inc.","duties_or_roles":"sponsorDuties code: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Perceptive Informatics Inc.","duties_or_roles":"sponsorDuties code: 3","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"IQVIA Limited","duties_or_roles":"sponsorDuties code: 1","organisation_type":"Pharmaceutical company"}
  • {"country":"Ireland","full_name":"Icon Clinical Research Limited","duties_or_roles":"Global CRO","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Labcorp Central Laboratory Services LP","duties_or_roles":"sponsorDuties code: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Transperfect Translations International Inc.","duties_or_roles":"Translations","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"PPD Development LP","duties_or_roles":"sponsorDuties code: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Q2 Solutions LLC","duties_or_roles":"sponsorDuties code: 4","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Fortrea Inc.","duties_or_roles":"Mobile Nursing","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Eresearchtechnology Inc.","duties_or_roles":"eCOA","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
RO7790121
Active Substance
RO7790121
Modality
Monoclonal antibody
Routes Of Administration
SUBCUTANEOUS
Route
SUBCUTANEOUS
Authorisation Status
prodAuthStatus: 1
Investigational Product Name
RO7790121 Placebo
Modality
Other

Related trials

Other published trials that may interest you.