Status:

RECRUITING

The Efficacy and Safety of Rilzabrutinib in Patients Aged 10 to 65 Years With Sickle-cell Disease

Lead Sponsor:

Sanofi

Conditions:

Sickle Cell Disease

Eligibility:

All Genders

10-65 years

Phase:

PHASE3

Brief Summary

This is a multicenter, randomized, double-blind, placebo-controlled, parallel-group, group-sequential study (Part A), followed by an open-label LTE period (Part B) to investigate the efficacy, and saf...

Eligibility Criteria

Inclusion

  • Participants who have been diagnosed with SCD.
  • Participants who have had between ≥2 to ≤10 episodes of documented acute clinical VOC within 12 months of the screening visit.
  • Participants who are either not on hydroxyurea and/or L-glutamine at the Screening Visit and does not plan to receive them during the course of the study or has received HU and/or L-glutamine for a minimum of 6 months. Participants on hydroxyurea and/or L-glutamine must have been on a stable weight-based dose level (mg/kg) for at least 3 months prior to the Screening Visit, with the intent to continue at the same weight-based dose level for the duration of the study, except for safety reasons.
  • Participants with Eastern Cooperative Oncology Group (ECOG) performance status grade 2 or lower.
  • Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
  • For participants ≥10 to \<18 years of age: the parent(s)/legal guardian(s) must provide written informed consent prior to any study-related procedures being performed.

Exclusion

  • Participants are excluded from the study if any of the following criteria apply: Participants with medical history of lymphoma, leukemia, or any malignancy within the past 5 years except for basal cell or squamous epithelial carcinomas of the skin that have been resected with no evidence of metastatic disease for the past 3 years.
  • Clinically relevant cardiac abnormality, in the opinion of the Investigator or electrocardiogram (ECG) findings.
  • Participants with history of stroke, or history of abnormal transcranial doppler.
  • Participants with uncontrolled or active HBV infection and/or HCV infection including those receiving antiviral therapy at the time of screening.
  • HIV infection.
  • A history of active or latent tuberculosis (TB)
  • Positive COVID-19 molecular test.
  • Participant is taking or has received crizanlizumab (ADAKVEO®) within 90 days and/or voxelotor (OXBRYTA®) within 30 days prior to the Screening visit.
  • 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 :

August 12 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 29 2028

Estimated Enrollment :

192 Patients enrolled

Trial Details

Trial ID

NCT06975865

Start Date

August 12 2025

End Date

December 29 2028

Last Update

December 19 2025

Active Locations (42)

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Page 1 of 11 (42 locations)

1

University of Alabama at Birmingham- Site Number : 8400003

Birmingham, Alabama, United States, 35233

2

Oncology & Hematology Associates of West Broward- Site Number : 8400029

Coral Springs, Florida, United States, 33065

3

Indiana University School of Medicine - Riley Hospital for Children- Site Number : 8400056

Indianapolis, Indiana, United States, 46202

4

Louisiana State University Health Sciences Center - Shreveport- Site Number : 8400037

Shreveport, Louisiana, United States, 71130