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Inclacumab

Phase 3

Sickle Cell Disease | Small molecule | Hematology |Pfizer, Inc.|Last Updated: Dec 2, 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
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment241
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04935879A Study to Assess the Safety and Efficacy of Inclacumab in Participants With Sickle Cell Disease Experiencing Vaso-occlusive CrisesPHASE3 COMPLETED 241Oct 4, 2021Jun 6, 2024Dec 2, 202558 United States, Brazil +10
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Study Endpoints
Primary Endpoints
Rate of Vaso-occlusive Crises (VOCs) [Adjudicated] Through Week 48
Randomization (Day 1) up to Week 48

A VOC was defined as an acute episode of pain that: had no medically determined cause other than a vaso-occlusive event; resulted in a visit to a medical facility (hospitalization, emergency department, urgent care center, outpatient clinic, or infusion center), or resulted in a remote contact with a healthcare provider and required parenteral narcotic agents, parenteral nonsteroidal anti-inflammatory drugs (NSAIDs), or an increase in treatment with oral narcotics. The rate of VOC was defined as number of VOC events per 48 weeks and presented in this outcome measure.

Secondary Endpoints
Time to First VOC Through Week 48
Randomization (Day 1) up to Week 48
Time to Second VOC Through Week 48
Randomization (Day 1) up to Week 48
Percentage of Participants With no VOCs Through Week 48
Randomization (Day 1) up to Week 48
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
inclacumab, 30 mg/kgEXPERIMENTALParticipants will receive inclacumab 30 mg/kg administered IV every 12 weeks
placeboPLACEBO_COMPARATORParticipants will receive placebo administered IV every 12 weeks.
Interventions
NameTypeDescription
InclacumabDRUGInclacumab will be supplied in single use 10 mL vials at a concentration of 50 mg/mL. One vial contains 500 mg of inclacumab. This is a liquid concentrate for IV infusion.
PlaceboDRUGPlacebo will be supplied in single use 10 mL vials containing the same ingredients without the active drug. Placebo will be prepared as a liquid concentrate for IV infusion and administered in the same manner as active study drug
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Eligibility Criteria
Age Range12 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites58

Inclusion Criteria: 1. Participant has a confirmed diagnosis of SCD (HbSS, HbSC, HbSB0 thalassemia, or HbSB+ thalassemia genotype). Documentation of SCD genotype is required and may be based on documented history of laboratory testing or confirmed by laboratory testing during Screening. 2. Part...

Countries:United StatesBrazilColombiaEgyptFranceKenyaLebanonNigeriaOmanSaudi ArabiaTanzaniaTurkey (Türkiye)
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