The trial is taking place at:
E

Erie County Medical Center | Department of Medical Oncology

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A Study to Assess the Safety and Efficacy of Inclacumab in Participants With Sickle Cell Disease Experiencing Vaso-occlusive Crises

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Pfizer

Status and phase

Active, not recruiting
Phase 3

Conditions

Vaso-occlusive Crisis
Vaso-occlusive Pain Episode in Sickle Cell Disease
Sickle Cell Disease

Treatments

Drug: Placebo
Drug: Inclacumab

Study type

Interventional

Funder types

Industry

Identifiers

NCT04935879
2020-005286-13 (EudraCT Number)
GBT2104-131
LBCTR2021054791 (Registry Identifier)
C5361001 (Other Identifier)

Details and patient eligibility

About

This Phase 3 study will assess the safety and efficacy of inclacumab, a P-selectin inhibitor, in reducing the frequency of vaso-occlusive crises (VOCs) in approximately 240 adult and adolescent participants (≥ 12 years of age) with sickle cell disease (SCD). Participants will be randomized to receive inclacumab or placebo.

Full description

Eligible participants will be administered inclacumab or placebo intravenous (IV) every 12 weeks. The total duration of treatment for each participant will be 48 weeks. Participants that complete the study through Week 48 will be provided the opportunity to enroll in an open-label extension (OLE) study.

Enrollment

240 patients

Sex

All

Ages

12+ years old

Volunteers

No Healthy Volunteers

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. Participant is male or female, ≥ 12 years of age at the time of informed consent. 3. Participant has experienced between 2 and 10 VOCs within the 12 months prior to the Screening Visit as determined by documented medical history. A prior VOC is defined as an acute episode of pain which: * Has no medically determined cause other than a vaso-occlusive event, and * Results in a visit to a medical facility (hospital, emergency department, urgent care center, outpatient clinic, or infusion center) or results in a remote contact with a healthcare provider; and * Requires parenteral narcotic agents, parenteral nonsteroidal anti- inflammatory drugs (NSAIDs), or an increase in treatment with oral narcotics. 4. Participants receiving erythropoiesis-stimulating agents (ESA, e.g., erythropoietin \[EPO\]) must be on a stable dose for at least 90 days prior to the Screening Visit and expected to continue with the stabilized regimen throughout the course of the study. 5. Participants receiving hydroxyurea (HU), L-glutamine, or voxelotor (Oxbryta®) must be on a stable dose for at least 30 days prior to the Screening Visit and expected to continue with the stabilized regimen throughout the course of the study.

Exclusion criteria

1. Participant is receiving regularly scheduled red blood cell (RBC) transfusion therapy (also termed chronic, prophylactic, or preventative transfusion). 2. Participant is taking or has received crizanlizumab (ADAKVEO®) within 90 days prior to the Screening Visit 3. Participant weighs \> 133 kg (292 lbs.). Other protocol-defined Inclusion/Exclusion may apply.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

240 participants in 2 patient groups, including a placebo group

inclacumab, 30 mg/kg
Experimental group
Description:
Participants will receive inclacumab 30 mg/kg administered IV every 12 weeks
Treatment:
Drug: Inclacumab
placebo
Placebo Comparator group
Description:
Participants will receive placebo administered IV every 12 weeks.
Treatment:
Drug: Placebo

Trial contacts and locations

98

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Central trial contact

Carolyn Hoppe, MD

Data sourced from clinicaltrials.gov

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