Rilzabrutinib for the Adult Participants With Chronic ITP Who Have Completed Phase 3 Study in Japan
Immune Thrombocytopenia
What this study involves
The registry does not currently label this study as recruiting. Ask about its status before planning a screening visit.
- Study type
- Interventional
- Phase
- Phase 3
- Age range
- 18 years - Not specified
- Sex eligible
- All sexes
- Healthy volunteers
- Not accepted
- Participants
- 3 Actual
These are starting points, not an eligibility decision. The research team must review the full requirements.
About the research
This is an open-label, multi-center, single group, Phase 3 study for treatment with rilzabrutinib.
The purpose of this study is to provide continuation of rilzabrutinib treatment to adult participants with ITP who have completed the LTE of the LUNA 3 study in Japan, demonstrating clinically meaningful benefit as judged by the Investigator.
Who may be able to participate?
The list below is the sponsor’s full registry wording. It can include conditions, prior treatment, test results and other requirements. A match in search does not mean you qualify.
Inclusion Criteria:
- Participants who have been enrolled in and have completed the LTE of the LUNA 3 study with demonstration of efficacy without major safety concern while on study considered by the Investigator to be clinically meaningful.
- Participants who have ongoing diagnosis of primary ITP and continue to require treatment for ITP according to the Investigator.
- Participants who have acceptable benefit/risk profile.
- Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
Exclusion Criteria:
- Participants with secondary ITP.
- Pregnant or lactating women.
- Electrocardiogram (ECG) findings for participants. The above information is not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.
Treatment, groups and participation
The registry may describe treatments and study duration without a complete visit calendar. Ask the study team for the exact schedule, procedures, risks, costs and alternatives. Keep your usual care plan unless your treating clinician tells you otherwise.
- Assignment
- Not applicable
- Masking
- No masking
Rilzabrutinib
400 mg
Drug: rilzabrutinib
rilzabrutinib DRUG
Pharmaceutical form:Tablet-Route of administration:Oral
What researchers are measuring
Outcome measures describe what is being studied. They are not proof that a treatment works.
Primary measures
AEs including SAEs and AESIs
Time frame: Until study completion, approximately 60 weeks
An AESI is an AE (serious or nonserious) of scientific and medical concern specific to the Sponsor's product or program, for which ongoing monitoring and immediate notification by the Investigator to the Sponsor is required
Review the complete result tables and limitations in the official record.
Open official results ↗Research locations (3)
The overall study status and a local site’s status can differ. Confirm that location’s availability before traveling.
3 locations
Investigational Site Number: 1001Tsuchiura, Ibaraki, JapanStatus unknown
Investigational Site Number: 1002Kanazawa, Ishikawa-ken, JapanStatus unknown
Investigational Site Number: 1003Iruma-gun, Saitama, JapanStatus unknown
Study team and timeline
- Lead sponsor
- Sanofi
- Study start
- Oct 15, 2025 Actual
- Primary completion
- Nov 25, 2026 Estimated
- Study completion
- Nov 25, 2026 Estimated
- First posted
- Oct 14, 2025 Actual
- Last updated
- Nov 10, 2026 Actual
Official study contacts
No central contact is listed. Check the locations and the official record.
Official study title
An Open-label Extension Study for Oral Rilzabrutinib in Adults With Chronic Immune Thrombocytopenia (ITP) Who Have Completed the Long-term Extension (LTE) of the LUNA 3 Study (PRN1008 018/EFC17093) in Japan
Ask Wellness Clinical Research
Your message goes to WCR, including when this study is run by another organization. WCR may offer general guidance but may not operate this trial, have access to its team or be able to enroll you.
Source: ClinicalTrials.gov API v2. Information is submitted by sponsors and investigators. NLM does not approve the safety or science of all listed studies. Registry disclaimer.
Retrieved: Nov 12, 2026 · Last registry update: Nov 10, 2026
