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rilzabrutinib SAR444671

Phase 1

Healthy Volunteers | Small molecule | Other |Sanofi|Last Updated: Sep 23, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLED
Total Trials1
Total Enrollment24
FDA Designations
ORPHAN_DRUGFAST_TRACK
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04748926Food Effect and Relative Bioavailability Study of Rilzabrutinib in Healthy ParticipantsPHASE1 COMPLETED 24Apr 7, 2021May 21, 2021Sep 23, 20251 Australia
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Study Endpoints
Primary Endpoints
Rilzabrutinib plasma PK parameters following administration of the reference formulation in the fed and fasted states: Cmax
From Day 1 to Day 7

maximun plasma concentration

Rilzabrutinib plasma PK parameters following administration of the reference formulation in the fed and fasted states: Tmax
From Day 1 to Day 7

time to maximum plasma concentration

Rilzabrutinib plasma PK parameters following administration of the reference formulation in the fed and fasted states: AUC0-last
From Day 1 to Day 7

area under the plasma concentration-time curve from zero to the last measurable concentration

Rilzabrutinib plasma PK parameters following administration of the reference formulation in the fed and fasted states: AUC0-inf
From Day 1 to Day 7

area under the plasma concentration-time curve from zero to infinity

Rilzabrutinib plasma PK parameters following administration of the reference formulation in the fed and fasted states: half-life
From Day 1 to Day 7

terminal elimination phase half-life

Rilzabrutinib plasma PK parameters following administration of two test formulations in the fasted state: Cmax
From Day 11 to Day 12

maximun plasma concentration

Rilzabrutinib plasma PK parameters following administration of two test formulations in the fasted state: Tmax
From Day 11 to Day 12

time to maximum plasma concentration

Rilzabrutinib plasma PK parameters following administration of two test formulations in the fasted state: AUC0-last
From Day 11 to Day 12

area under the plasma concentration-time curve from zero to the last measurable concentration

Rilzabrutinib plasma PK parameters following administration of two test formulations in the fasted state: AUC0-inf
From Day 11 to Day 12

area under the plasma concentration-time curve from zero to infinity

Rilzabrutinib plasma PK parameters following administration of two test formulations in the fasted state: half-life
From Day 11 to Day 12

terminal elimination phase half-life

Secondary Endpoints
Treatment-emergent AE and treatment-emergent SAE
Until Day 15
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelCROSSOVER
PurposeOTHER
Treatment Arms
ArmTypeDescription
Group 1EXPERIMENTALParticipants will receive caplets after fast (treatment A) on Day 1 and caplets after meal (treatment B) on day 6, and then receive either oral formulation 1 tablets after fast (treatment C) or oral formulation 2 tablets after fast (treatment D) on day 11.
Group 2EXPERIMENTALParticipants will receive caplets after meal (treatment B) on Day 1 and caplets after fast (treatment A) on day 6, and then receive either oral formulation 1 tablets after fast (treatment C) or oral formulation 2 tablets after fast (treatment D) on day 11.
Interventions
NameTypeDescription
rilzabrutinib SAR444671DRUGPharmaceutical form: caplet Route of administration: oral
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion criteria : \- Participants who are overtly healthy as determined by medical evaluation * Body mass index (BMI) within the range ≥18 and ≤31 kg/m2 (inclusive) and a minimum body weight of 45 kg. * Female participant is eligible to participate if she is not pregnant or breastfeeding * Male...

Countries:Australia
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