Sign in

NCT06975865RecruitingPhase 3

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

A 52-week, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group, Flexible-adaptive, Group Sequential Study to Evaluate the Efficacy and Safety of Rilzabrutinib in Participants Aged 10 to 65 Years With Sickle-cell Disease

Source: ClinicalTrials.gov · Last updated 15 Oct 2026

Brief summary (registry, in English)

This is a multicenter, randomized, double-blind, placebo-controlled, parallel-group, flexible-adaptive, group-sequential study (Part A), followed by an open-label LTE period (Part B) to investigate the efficacy, and safety of rilzabrutinib in participants with sickle-cell disease (SCD). Study details include: * Study duration: a 52-week double-blind period (Part A), followed by an open-label LTE period (Part B). Double-blind period has two parts, 50% (adult only) until the interim analysis (a proof-concept part analogous to a phase 2b study), and 50% (adult and children) after the interim analysis. Only the participants who complete double-blind treatment period (Part A) are eligible to continue to the LTE period. The duration of the LTE period (Part B) will be from the first-participant-in (FPI)-LTE (Part B) until the last participant who enters the LTE has completed 52 weeks. * Treatment duration: 52-week double-blind period (Part A); LTE period (Part B) from the (FPI until the last participant who enters the LTE has completed 52 weeks. * Visit frequency: Week visits based on the Schedule of Assessments.

Status (registry)
Recruiting
Phase (registry)
Phase 3
Study type
Interventional
Enrollment
192 (estimated)
First submitted
8 May 2025
Start date
12 Aug 2025
Primary completion date
23 Jul 2027
Lead sponsor
Sanofi
NCT number
NCT06975865
EudraCT number
2024-518645-17

What you commit to

  • Study type: Interventional · Phase 3
  • Planned participants: 192
  • From 12 Aug 2025 to the primary completion date, 23 Jul 2027
  • 63 sites in 14 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • Participants with uncontrolled or active HBV infection and/or HCV infection including those receiving antiviral therapy at the time of screening.
  • 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.

Other illness

  • 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.
  • HIV infection.
  • A history of active or latent tuberculosis (TB)
  • Positive COVID-19 molecular test.

Who the study is looking for

  • Participants who have been diagnosed with SCD.
  • Participants who have had between ≥2 and ≤10 episodes of documented clinical VOC within 12 months of the screening events.
  • 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.

Age in the registry: 10 years to 65 years · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (63)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Investigational Site Number : 0560002
Coordinator of this site? Confirm its status
BrusselsBelgiumRecruiting
Investigational Site Number : 0560003
Coordinator of this site? Confirm its status
BrusselsBelgiumRecruiting
Investigational Site Number : 0560001
Coordinator of this site? Confirm its status
LeuvenBelgiumRecruiting
Investigational Site Number : 0560004
Coordinator of this site? Confirm its status
LiègeBelgiumRecruiting
Universidade Federal de Goias- Site Number : 0760002
Coordinator of this site? Confirm its status
GoiâniaBrazilRecruiting
Fundação Bahiana de Infectologia- Site Number : 0760009
Coordinator of this site? Confirm its status
SalvadorBrazilRecruiting
Hospital Santa Izabel- Site Number : 0760006
Coordinator of this site? Confirm its status
SalvadorBrazilRecruiting
Fundação Faculdade Regional de Medicina de São José do Rio Preto- Site Number : 0760001
Coordinator of this site? Confirm its status
São José do Rio PretoBrazilRecruiting
Hospital Samaritano De Sao Paulo- Site Number : 0760005
Coordinator of this site? Confirm its status
São PauloBrazilRecruiting
Investigational Site Number : 2760005
Coordinator of this site? Confirm its status
BerlinGermanyRecruiting
Investigational Site Number : 2760002
Coordinator of this site? Confirm its status
EssenGermanyRecruiting
Investigational Site Number : 2760004
Coordinator of this site? Confirm its status
StuttgartGermanyRecruiting
Investigational Site Number : 7240001
Coordinator of this site? Confirm its status
MadridSpainRecruiting
Investigational Site Number : 7240002
Coordinator of this site? Confirm its status
MadridSpainRecruiting
Investigational Site Number : 2500002
Coordinator of this site? Confirm its status
CréteilFranceRecruiting
Investigational Site Number : 2500005
Coordinator of this site? Confirm its status
MarseilleFranceRecruiting
Investigational Site Number : 2500001
Coordinator of this site? Confirm its status
ParisFranceRecruiting
Investigational Site Number : 2500004
Coordinator of this site? Confirm its status
ToulouseFranceRecruiting
Investigational Site Number : 8260001
Coordinator of this site? Confirm its status
LondonUnited KingdomRecruiting
Investigational Site Number : 8260002
Coordinator of this site? Confirm its status
LondonUnited KingdomRecruiting
Investigational Site Number : 8260005
Coordinator of this site? Confirm its status
ManchesterUnited KingdomRecruiting
Investigational Site Number : 3000001
Coordinator of this site? Confirm its status
AthensGreeceRecruiting
Investigational Site Number : 3000003
Coordinator of this site? Confirm its status
AthensGreeceRecruiting
Investigational Site Number : 3000002
Coordinator of this site? Confirm its status
PátraiGreeceRecruiting
Investigational Site Number : 3760002
Coordinator of this site? Confirm its status
AfulaIsraelRecruiting
Investigational Site Number : 3760001
Coordinator of this site? Confirm its status
AfulaIsraelRecruiting
Investigational Site Number : 3760005
Coordinator of this site? Confirm its status
HaifaIsraelRecruiting
Investigational Site Number : 3760006
Coordinator of this site? Confirm its status
HaifaIsraelRecruiting
Investigational Site Number : 3800006
Coordinator of this site? Confirm its status
FlorenceItalyRecruiting
Investigational Site Number : 3800008
Coordinator of this site? Confirm its status
GenoaItalyRecruiting
Investigational Site Number :3800004
Coordinator of this site? Confirm its status
MilanItalyRecruiting
Investigational Site Number : 3800005
Coordinator of this site? Confirm its status
NaplesItalyRecruiting
Investigational Site Number :3800007
Coordinator of this site? Confirm its status
OrbassanoItalyRecruiting
Investigational Site Number : 3800002
Coordinator of this site? Confirm its status
PalermoItalyRecruiting
Investigational Site Number : 3800001
Coordinator of this site? Confirm its status
RomeItalyRecruiting
Investigational Site Number : 3800003
Coordinator of this site? Confirm its status
VeronaItalyRecruiting
Investigational Site Number : 5280002
Coordinator of this site? Confirm its status
RotterdamNetherlandsRecruiting
Investigational Site Number : 5120001
Coordinator of this site? Confirm its status
MuscatOmanRecruiting
Investigational Site Number : 6820003
Coordinator of this site? Confirm its status
RiyadhSaudi ArabiaRecruiting
University of Michigan Health System - Ann Arbor- Site Number : 8400035
Coordinator of this site? Confirm its status
Ann ArborUnited StatesRecruiting
University of Maryland School of Medicine - Baltimore- Site Number : 8400041
Coordinator of this site? Confirm its status
BaltimoreUnited StatesRecruiting
University of Alabama at Birmingham- Site Number : 8400003
Coordinator of this site? Confirm its status
BirminghamUnited StatesRecruiting
University of Illinois-Chicago - College of Medicine- Site Number : 8400054
Coordinator of this site? Confirm its status
ChicagoUnited StatesRecruiting
University of California San Francisco- Site Number : 8400040
Coordinator of this site? Confirm its status
ClovisUnited StatesRecruiting
Oncology & Hematology Associates of West Broward- Site Number : 8400029
Coordinator of this site? Confirm its status
Coral SpringsUnited StatesRecruiting
Southern Specialty Research- Site Number : 8400059
Coordinator of this site? Confirm its status
FlowoodUnited StatesRecruiting
Prisma Health- Site Number : 8400051
Coordinator of this site? Confirm its status
GreenvilleUnited StatesRecruiting
Baylor College of Medicine- Site Number : 8400055
Coordinator of this site? Confirm its status
HoustonUnited StatesRecruiting
UT Physicians - Memorial Hermann- Site Number : 8400052
Coordinator of this site? Confirm its status
HoustonUnited StatesRecruiting
Indiana University Health Riley Hospital for Children- Site Number : 8400056
Coordinator of this site? Confirm its status
IndianapolisUnited StatesRecruiting
David Geffen School of Medicine at UCLA- Site Number : 8400032
Coordinator of this site? Confirm its status
Los AngelesUnited StatesRecruiting
University of Tennessee Health Science Center- Site Number : 8400045
Coordinator of this site? Confirm its status
MemphisUnited StatesRecruiting
Sylvester Comprehensive Cancer Center- Site Number : 8400020
Coordinator of this site? Confirm its status
MiamiUnited StatesRecruiting
Phoenix Children's Hospital- Site Number : 8400028
Coordinator of this site? Confirm its status
PhoenixUnited StatesRecruiting
Oregon Health & Science University (OHSU)- Site Number : 8400043
Coordinator of this site? Confirm its status
PortlandUnited StatesRecruiting
VCU Massey Cancer Center: Dalton Oncology Clinic- Site Number : 8400012
Coordinator of this site? Confirm its status
RichmondUnited StatesRecruiting
Louisiana State University Health Sciences Center - Shreveport- Site Number : 8400037
Coordinator of this site? Confirm its status
ShreveportUnited StatesRecruiting
Richmond University Medical Center- Site Number : 8400038
Coordinator of this site? Confirm its status
Staten IslandUnited StatesRecruiting
Montefiore Medical Center - Moses Campus- Site Number : 8400057
Coordinator of this site? Confirm its status
The BronxUnited StatesRecruiting
MedStar Georgetown University Hospital- Site Number : 8400036
Coordinator of this site? Confirm its status
Washington D.C.United StatesRecruiting
Investigational Site Number : 7920001
Coordinator of this site? Confirm its status
AdanaTurkey (Türkiye)Recruiting
Investigational Site Number : 7920002
Coordinator of this site? Confirm its status
AdanaTurkey (Türkiye)Recruiting
Investigational Site Number : 7920003
Coordinator of this site? Confirm its status
MersinTurkey (Türkiye)Recruiting

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