NCT04935879CompletedPhase 3
A Study to Assess the Safety and Efficacy of Inclacumab in Participants With Sickle Cell Disease Experiencing Vaso-occlusive Crises
A Randomized, Double-blind, Placebo-controlled, Multicenter Study to Assess the Safety and Efficacy of Inclacumab in Participants With Sickle Cell Disease Experiencing Vaso-occlusive Crises
Source: ClinicalTrials.gov · Last updated 2 Dec 2025
Brief summary (registry, in English)
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.
- Status (registry)
- Completed
- Phase (registry)
- Phase 3
- Study type
- Interventional
- Enrollment
- 241 (actual)
- First submitted
- 26 May 2021
- Start date
- 4 Oct 2021
- Primary completion date
- 6 Jun 2024
- Lead sponsor
- Pfizer
- Diseases
- Sickle cell disease
- NCT number
- NCT04935879
- EudraCT number
- 2020-005286-13
What you commit to
- Study type: Interventional · Phase 3
- Participants enrolled: 241
- From 4 Oct 2021 to the primary completion date, 6 Jun 2024
- 58 sites in 12 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
- Participant is receiving regularly scheduled red blood cell (RBC) transfusion therapy (also termed chronic, prophylactic, or preventative transfusion).
- Participant is taking or has received crizanlizumab (ADAKVEO®) within 90 days prior to the Screening Visit
Other
- Participant weighs \> 133 kg (292 lbs.).
- Other protocol-defined Inclusion/Exclusion may apply.
Who the study is looking for
- 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.
- Participant is male or female, ≥ 12 years of age at the time of informed consent.
- 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.
- 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.
- 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.
Age in the registry: 12 years to - · Sex: All · Does not accept healthy volunteers
Sites (58)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Hospital de Clinicas de Porto Alegre Coordinator of this site? Confirm its status | Porto Alegre | Brazil | Unknown status |
| MultiHemo Servicos Medicos S.A Coordinator of this site? Confirm its status | Recife | Brazil | Unknown status |
| Hospital das Clinicas da Faculdade de Medicina de Ribeirao Preto - USP Coordinator of this site? Confirm its status | Ribeirão Preto | Brazil | Unknown status |
| Instituto Estadual de Hematologia Arthur Siqueira Cavalcanti - HEMORIO Coordinator of this site? Confirm its status | Rio de Janeiro | Brazil | Unknown status |
| Instituto D'Or de Pesquisa e Ensino - Hospital Sao Rafael Coordinator of this site? Confirm its status | Salvador | Brazil | Unknown status |
| Fundacao Faculdade Regional de Medicina de Sao Jose do Rio Preto Coordinator of this site? Confirm its status | São José do Rio Preto | Brazil | Unknown status |
| CEPEC-Centro de Pesquisa Clinica Coordinator of this site? Confirm its status | São Paulo | Brazil | Unknown status |
| Casa de Saude Santa Marcelina Coordinator of this site? Confirm its status | São Paulo | Brazil | Unknown status |
| Hospital Samaritano Higienópolis/Esho Empresa De Servicos Hospitalares S.A Coordinator of this site? Confirm its status | São Paulo | Brazil | Unknown status |
| Clinica de la Costa Ltda. Coordinator of this site? Confirm its status | Barranquilla | Colombia | Unknown status |
| Sociedad de Oncologia y hematologia del Cesar S.A.S. Coordinator of this site? Confirm its status | Valledupar | Colombia | Unknown status |
| AinShams University Hospital Coordinator of this site? Confirm its status | Cairo | Egypt | Unknown status |
| Faculty of Medicine Cairo University Coordinator of this site? Confirm its status | Cairo | Egypt | Unknown status |
| Hopital Henri Mondor Coordinator of this site? Confirm its status | Créteil | France | Unknown status |
| Institut Universitaire du Cancer de Toulouse - Oncopole Coordinator of this site? Confirm its status | Toulouse | France | Unknown status |
| International Cancer Institute Coordinator of this site? Confirm its status | Eldoret | Kenya | Unknown status |
| KEMRI/CRDR, Siaya, KEMRI Clinical Research Annex Coordinator of this site? Confirm its status | Kisumu | Kenya | Unknown status |
| Gertrude's Children Hospital Coordinator of this site? Confirm its status | Nairobi | Kenya | Unknown status |
| Strathmore University Medical Center - Center for Research in Therapeutic Sciences(CREATES) Coordinator of this site? Confirm its status | Nairobi | Kenya | Unknown status |
| Kenya Medical Research Institute- Center for Respiratory Disease Research Coordinator of this site? Confirm its status | Nairobi | Kenya | Unknown status |
| American University of Beirut Medical Center Coordinator of this site? Confirm its status | Hamra | Lebanon | Unknown status |
| Nini Hospital Coordinator of this site? Confirm its status | Tripoli | Lebanon | Unknown status |
| National Hospital, Abuja Coordinator of this site? Confirm its status | Abuja | Nigeria | Unknown status |
| University of Calabar Teaching Hospital Coordinator of this site? Confirm its status | Calabar | Nigeria | Unknown status |
| University of Nigeria Teaching Hospital Coordinator of this site? Confirm its status | Enugu | Nigeria | Unknown status |
| University of Abuja Teaching Hospital Coordinator of this site? Confirm its status | Gwagwalada | Nigeria | Unknown status |
| Barau Dikko Teaching Hospital/Kaduna State University Coordinator of this site? Confirm its status | Kaduna | Nigeria | Unknown status |
| Aminu Kano Teaching Hospital Coordinator of this site? Confirm its status | Kano | Nigeria | Unknown status |
| Department of Pediatrics, College of Medicine, Lagos University Teaching Hospital Coordinator of this site? Confirm its status | Lagos | Nigeria | Unknown status |
| Ahmadu Bello University Teaching Hospital Coordinator of this site? Confirm its status | Zaria | Nigeria | Unknown status |
| Sultan Qaboos University Hospital Coordinator of this site? Confirm its status | Muscat | Oman | Unknown status |
| Prince Mohammed bin Nasser Hospital Coordinator of this site? Confirm its status | Jizan | Saudi Arabia | Unknown status |
| NIMR-Mbeya Medical Research Center Coordinator of this site? Confirm its status | Mbeya | Tanzania | Unknown status |
| University of Michigan Hospitals - Michigan Medicine Coordinator of this site? Confirm its status | Ann Arbor | United States | Unknown status |
| Dana-Farber Cancer Institute IDS Pharmacy Coordinator of this site? Confirm its status | Boston | United States | Unknown status |
| Dana-Farber Cancer Institute Coordinator of this site? Confirm its status | Boston | United States | Unknown status |
| University of Illinois Clinical Research Center (CRC) Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
| Rush University Medical Center Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
| University of Illinois Hospital and Health Sciences System(UI Health) Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
| Hospital Pharmacy Services- Investigational Drug Services Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
| Rush University Medical Center Investigator Pharmacy Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
| Duke University Medical Center Coordinator of this site? Confirm its status | Durham | United States | Unknown status |
| DUMC Investigational Drug Services Pharmacy Coordinator of this site? Confirm its status | Durham | United States | Unknown status |
| Uconn Health/Uconn John Dempsey Hospital/Neag Comprehensive Cancer Center/New England Sickle Cell Coordinator of this site? Confirm its status | Farmington | United States | Unknown status |
| Memorial Hermann - TMC Investigational Drugs, IDS Pharmacy Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| UT Physicians Comprehensive Sickle Cell Clinic Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| McGovern Medical School/Health Science Center Houston Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| Memorial Hermann Hospital, Texas Medical Center - Clinical Research Unit (CRU) Coordinator of this site? Confirm its status | Houston | United States | Unknown status |
| Arkansas Children's Hospital Coordinator of this site? Confirm its status | Little Rock | United States | Unknown status |
| University of South Alabama Children's and Women's Hospital Coordinator of this site? Confirm its status | Mobile | United States | Unknown status |
| University of South Alabama Strada Patient Care Center Coordinator of this site? Confirm its status | Mobile | United States | Unknown status |
| University of South Alabama Mitchell Cancer Institute Coordinator of this site? Confirm its status | Mobile | United States | Unknown status |
| UC Irvine Health Coordinator of this site? Confirm its status | Orange | United States | Unknown status |
| UCI Center for clinical research Coordinator of this site? Confirm its status | Orange | United States | Unknown status |
| Jacobi Medical Center Coordinator of this site? Confirm its status | The Bronx | United States | Unknown status |
| Baskent University Hospital Coordinator of this site? Confirm its status | Adana | Turkey (Türkiye) | Unknown status |
| Acibadem Adana Hastanesi Cocuk Hematoloji Onkoloji Coordinator of this site? Confirm its status | Adana | Turkey (Türkiye) | Unknown status |
| Mersin Universitesi Tip Fakultesi Saglik Arastirma ve Uygulama Merkezi Hastanesi Coordinator of this site? Confirm its status | Yenişehir | Turkey (Türkiye) | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.