New pill aims to cut sickle cell pain attacks in half

NCT ID NCT06975865

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This Phase 3 trial tests whether the oral drug rilzabrutinib can lower the number of painful vaso-occlusive crises in people with sickle cell disease. About 192 participants aged 10 to 65 will receive either the drug or a placebo for 52 weeks. The main goal is to see if the drug reduces crisis rates compared to placebo.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

rilzabrutinib (an oral tablet)

What this could lead to

If it works, this could provide a new daily pill to reduce painful sickle cell crises and related complications.

What could go wrong

This is a Phase 3 trial, but results are not yet known. The drug may not reduce crises more than placebo, and side effects are possible.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

sickle cell disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Azienda Ospedaliera Ospedali Riuniti Villa Sofia - Cervello-Site Number : 3800002

    RECRUITING

    Palermo, 90146, Italy

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • Azienda Ospedaliera Universitaria San Luigi Gonzaga, SSD Microcitemie Malattie Rare Ematologiche-Site Number : 3800007

    RECRUITING

    Orbassano, Torino, 10043, Italy

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • Azienda Ospedaliera Universitaria, Università della Campania "Luigi Vanvitelli" Napoli-Site Number : 3800005

    RECRUITING

    Naples, Napoli, 80138, Italy

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • Azienda Ospedaliero Universitaria Careggi SOD Ematologia-Site Number : 3800006

    RECRUITING

    Florence, Firenze, 50134, Italy

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • Baylor College of Medicine- Site Number : 8400055

    RECRUITING

    Houston, Texas, 77030, United States

  • Centro Ricerche Cliniche Verona s.r.l. presso Ospedale G.B. Rossi Borgo Roma-Site Number : 3800003

    RECRUITING

    Verona, 37134, Italy

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • Fundação Faculdade Regional de Medicina de São José do Rio Preto- Site Number : 0760001

    RECRUITING

    São José do Rio Preto, São Paulo, 15090-000, Brazil

  • Hospital Samaritano De Sao Paulo- Site Number : 0760005

    RECRUITING

    São Paulo, 01232-010, Brazil

  • Hospital Santa Izabel- Site Number : 0760006

    RECRUITING

    Salvador, Estado de Bahia, 40050-410, Brazil

  • IRCCS Ospedale Pediatrico Bambino Gesù-Site Number : 3800001

    RECRUITING

    Rome, Roma, 00165, Italy

    Contact Phone: •••-•••-•••• Email: •••••@•••••

    Contact

  • Indiana University Health Riley Hospital for Children- Site Number : 8400056

    RECRUITING

    Indianapolis, Indiana, 46202, United States

  • Investigational Site Number : 0560001

    RECRUITING

    Leuven, 3000, Belgium

  • Investigational Site Number : 0560002

    RECRUITING

    Brussels, 1070, Belgium

  • Investigational Site Number : 0560003

    RECRUITING

    Brussels, 1020, Belgium

  • Investigational Site Number : 2500001

    RECRUITING

    Paris, 75015, France

  • Investigational Site Number : 2500002

    RECRUITING

    Créteil, 94010, France

  • Investigational Site Number : 2500004

    RECRUITING

    Toulouse, 31100, France

  • Investigational Site Number : 2500005

    RECRUITING

    Marseille, 13885, France

  • Investigational Site Number : 2760002

    RECRUITING

    Essen, 45147, Germany

  • Investigational Site Number : 2760004

    RECRUITING

    Stuttgart, 70736, Germany

  • Investigational Site Number : 3000001

    RECRUITING

    Athens, 115 27, Greece

  • Investigational Site Number : 3000002

    RECRUITING

    Pátrai, 265 04, Greece

  • Investigational Site Number : 3000003

    RECRUITING

    Athens, 115 27, Greece

  • Investigational Site Number : 3760001

    RECRUITING

    Afula, 1834111, Israel

  • Investigational Site Number : 3760002

    RECRUITING

    Afula, 1834111, Israel

  • Investigational Site Number : 3760005

    RECRUITING

    Haifa, 3109601, Israel

  • Investigational Site Number : 3760006

    RECRUITING

    Haifa, 3109601, Israel

  • Investigational Site Number : 3800004

    RECRUITING

    Milan, Milano, 20122, Italy

  • Investigational Site Number : 5120001

    RECRUITING

    Muscat, 123, Oman

  • Investigational Site Number : 5280002

    RECRUITING

    Rotterdam, 3015 CE, Netherlands

  • Investigational Site Number : 7240001

    RECRUITING

    Madrid, 28046, Spain

  • Investigational Site Number : 7240002

    RECRUITING

    Madrid, 28007, Spain

  • Investigational Site Number : 7920001

    RECRUITING

    Adana, 01330, Turkey (Türkiye)

  • Investigational Site Number : 7920002

    RECRUITING

    Adana, 01330, Turkey (Türkiye)

  • Investigational Site Number : 7920003

    RECRUITING

    Mersin, 33330, Turkey (Türkiye)

  • Investigational Site Number : 8260001

    RECRUITING

    London, London, City of, SE5 9RL, United Kingdom

  • Investigational Site Number : 8260002

    RECRUITING

    London, Harrow, NW10 7NS, United Kingdom

  • Louisiana State University Health Sciences Center - Shreveport- Site Number : 8400037

    RECRUITING

    Shreveport, Louisiana, 71130, United States

  • Montefiore Medical Center - Moses Campus- Site Number : 8400057

    RECRUITING

    The Bronx, New York, 10467, United States

  • Oncology & Hematology Associates of West Broward- Site Number : 8400029

    RECRUITING

    Coral Springs, Florida, 33065, United States

  • Phoenix Children's Hospital- Site Number : 8400028

    RECRUITING

    Phoenix, Arizona, 85016, United States

  • Pontifícia Universidade Católica do Rio de Janeiro- Site Number : 0760009

    RECRUITING

    Rio de Janeiro, 22451-900, Brazil

  • Prisma Health- Site Number : 8400051

    RECRUITING

    Greenville, South Carolina, 29605, United States

  • Richmond University Medical Center- Site Number : 8400038

    RECRUITING

    Staten Island, New York, 10310, United States

  • Southern Specialty Research- Site Number : 8400059

    RECRUITING

    Flowood, Mississippi, 39232, United States

  • Sylvester Comprehensive Cancer Center- Site Number : 8400020

    RECRUITING

    Miami, Florida, 33136, United States

  • Universidade Federal de Goias- Site Number : 0760002

    RECRUITING

    Goiânia, Goiás, 74605-020, Brazil

  • University of Alabama at Birmingham- Site Number : 8400003

    RECRUITING

    Birmingham, Alabama, 35233, United States

  • University of California San Francisco- Site Number : 8400040

    RECRUITING

    Fresno, California, 93701, United States

  • University of Illinois-Chicago - College of Medicine- Site Number : 8400054

    RECRUITING

    Chicago, Illinois, 60612, United States

  • University of Maryland School of Medicine - Baltimore- Site Number : 8400041

    RECRUITING

    Baltimore, Maryland, 21201, United States

  • University of Michigan Health System - Ann Arbor- Site Number : 8400035

    RECRUITING

    Ann Arbor, Michigan, 48109, United States

  • VCU Massey Cancer Center: Dalton Oncology Clinic- Site Number : 8400012

    RECRUITING

    Richmond, Virginia, 23298, United States