Status:

RECRUITING

A Study to Investigate the Efficacy and Safety of Rilzabrutinib in Adult Participants With Graves' Disease

Lead Sponsor:

Sanofi

Conditions:

Graves' Disease

Eligibility:

All Genders

18-75 years

Phase:

PHASE2

Brief Summary

This is a parallel group, Phase 2, 2-arm study to measure the treatment effect and safety of rilzabrutinib dose 1 or rilzabrutinib dose 2 in participants with Graves' disease, with and without Graves'...

Eligibility Criteria

Inclusion

  • Participants who have a confirmed diagnosis of Graves' disease with active hyperthyroidism, with or without active Graves' orbitopathy at the time of screening.
  • A subset of participants will have a diagnosis of active Graves' orbitopathy, as confirmed by ophthalmic exam at screening and a clinical activity score (CAS) ≥3 for the most severely affected eye, and associated with one or more of the following: lid retraction ≥2 mm, moderate or severe soft tissue involvement, proptosis ≥2 mm, and/or intermittent or constant diplopia.
  • Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.

Exclusion

  • History of hyperthyroidism not caused by Graves' disease (eg, hyperthyroidism due to toxic multinodular goiter, autonomous thyroid nodule, acute inflammatory thyroiditis).
  • History of thyroid storm or at high risk of developing thyroid storm as determined by evaluating clinician.
  • Enlarged thyroid goiter causing upper airway obstruction and/or requiring surgical intervention during the study period.
  • For participant with Graves' orbitopathy, requires immediate surgical ophthalmological intervention or is planning corrective surgery/irradiation during the course of the study.
  • Sight threatening Graves' orbitopathy or decreased visual acuity due to optic neuropathy within the last 6 months.
  • Corneal decompensation unresponsive to medical management.
  • Onset of Graves' orbitopathy symptoms \>9 months prior to baseline. The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

Key Trial Info

Start Date :

September 2 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 23 2026

Estimated Enrollment :

30 Patients enrolled

Trial Details

Trial ID

NCT06984627

Start Date

September 2 2025

End Date

September 23 2026

Last Update

December 17 2025

Active Locations (12)

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Page 1 of 3 (12 locations)

1

Investigational Site Number : 1240003

Calgary, Alberta, Canada, T2N 4L7

2

Investigational Site Number : 1240002

Surrey, British Columbia, Canada, V3T 2V6

3

Investigational Site Number : 1240001

Sherbrooke, Quebec, Canada, J1H 5N4

4

Investigational Site Number : 2760002

Essen, Germany, 45147