- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07712562
A Phase 1/2 Study to Evaluate the Safety and Efficacy of Dibotatug (DR-01) in Adults With Bone Marrow Failure Syndromes (BMF)
A Phase 1/2, Open-Label Study to Evaluate the Safety and Efficacy of Dibotatug in Adults With Bone Marrow Failure Syndromes
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
Tipo di studio
Iscrizione (Stimato)
Fase
- Fase 2
- Fase 1
Accesso esteso
Contatti e Sedi
Contatto studio
- Nome: Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
Luoghi di studio
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California
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Duarte, California, Stati Uniti, 91010
- Dren Investigational Site
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Contatto:
- Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
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Palo Alto, California, Stati Uniti, 94304
- Dren Investigational Site
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Contatto:
- Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
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Georgia
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Atlanta, Georgia, Stati Uniti, 30342
- Dren Investigational Site
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Contatto:
- Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
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New York
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New York, New York, Stati Uniti, 10065
- Dren Investigational Site
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Contatto:
- Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
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Ohio
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Cleveland, Ohio, Stati Uniti, 44195
- Dren Investigational Site
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Contatto:
- Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
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Columbus, Ohio, Stati Uniti, 43210
- Dren Investigational Site
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Contatto:
- Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
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Texas
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Houston, Texas, Stati Uniti, 77030
- Dren Investigational Site
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Contatto:
- Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
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Virginia
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Fairfax, Virginia, Stati Uniti, 22031
- Dren Investigational Site
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Contatto:
- Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
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Washington
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Seattle, Washington, Stati Uniti, 98109
- Dren Investigational Site
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Contatto:
- Dren Bio Central Contact
- Numero di telefono: 415-737-5277
- Email: DR-01-HEM-001_inquiries@drenbio.com
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
All participants must meet all of the following criteria to be included in the study:
1. Age ≥ 18 years old 2-3. Women of childbearing potential and males must agree to use 2 methods of effective contraception, with at least 1 method being highly effective.
Inclusion Criteria for Severe Aplastic Anemia (SAA) (Cohorts A and B) 4. Participants with SAA must have a current or prior diagnosis of SAA or very SAA.
Inclusion Criteria for Refractory Severe Aplastic Anemia (Cohort A) Participants with refractory SAA must have:
5. Received one ≥ 3-month course of ATG and/or CSA-based IST. 6. Refractory SAA, defined as failure to achieve CR or PR ≥ 3 months after starting ATG and/or CSA-based IST.
Inclusion Criteria for Relapsed Severe Aplastic Anemia (Cohort B) 7. Relapsed SAA, defined as relapse following a CR or PR that was achieved ≥ 3 months after starting ATG- and/or cyclosporine A (CSA)-based IST.
Inclusion Criteria for Relapsed or Refractory Transfusion-Dependent Non-Severe Aplastic Anemia (Cohort C)
Participants with RR-TD-NSAA must have:
8. Current or prior diagnosis of NSAA 9. No current or prior diagnosis of SAA. 10. Received at least 1 prior course of IST such as ATG- or CSA, with or without a TPO-R agonist (lasting ≥ 3 months).
11. Meets criteria for transfusion dependence (either RBC or platelet):
- RBC transfusion dependence: transfusion of ≥ 2 units of RBCs in the past 56 days
- Platelet transfusion dependence: transfusion of ≥ 1 unit of apheresis platelets in the past 28 days
Inclusion Criteria for Extension Treatment Period
Participants entering the Extension Treatment Period must meet the following criteria:
12. Signed informed consent form (ICF) for the Extension Treatment Period. 13. CR or PR by Week 24 during the Main Treatment Period
Exclusion Criteria:
Participants meeting any of the following criteria are ineligible to be included in the study:
- Diagnosis of Fanconi anemia, dyskeratosis congenita, or other congenital BMF syndrome.
- Prior HCT.
- Planning to receive HCT as treatment for AA.
- Evidence of a clonal disorder with poor risk cytogenetics per Revised International Prognostic Scoring System (IPSS-R) for MDS.
- Diagnosis of PNH or a clonal hematologic bone marrow disorder such as LGLL. Existence of PNH clones, LGLL cells, or clonal hematopoiesis of indeterminate potential (CHIP) clones without a clinical diagnosis is not exclusionary.
- Use of a T-cell depleting agent (e.g., ATG, alemtuzumab, thymoglobulin) within 3 months prior to Day 1.
- Use of a B-cell depleting agent (e.g., rituximab, ocrelizumab, ofatumumab, ublituximab) within 28 days prior to Day 1.
Use of any of the following within 14 days of Day 1, unless used as an established therapy at screening and there is evidence of either progressive cytopenia or lack of count improvement over the 3 months before screening:
- Calcineurin inhibitor (e.g., cyclosporine)
- TPO-R agonist (e.g., eltrombopag)
- Androgen (e.g., danazol)
- Oral Janus kinase (JAK) inhibitor Regardless of their use as an established therapy at screening, use of the above medications is prohibited for all participants from 3 months after Day 1.
11. Current infection not adequately responding to appropriate therapy or requiring hospitalization.
12. Current uncontrolled or invasive infection with cytomegalovirus (CMV), Epstein Barr virus (EBV), varicella zoster virus (VZV), herpes simplex virus (HSV), or human T-lymphotropic virus-1 (HTLV-1), defined by polymerase chain reaction (PCR) at screening. Note that low level CMV, EBV, or VZV viremia is not exclusionary.
13. Human immunodeficiency virus (HIV) infection. 14. Current or prior infection with hepatitis B virus (HBV) 15. Current hepatitis C virus (HCV) infection 16. Latent tuberculosis (TB) infection as indicated by IFN-γ release assay without documentation of appropriate treatment (appropriate therapy as defined by the World Health Organization [WHO] and/or the United States Centers for Disease Control and Prevention).
17. Estimated glomerular filtration rate < 30 mL/min/1.73 m2 at screening (using the Chronic Kidney Disease Epidemiology Collaboration formula; Levey 2009).
18. Total bilirubin > 1.5 × upper limit of normal (ULN) (> 3 × ULN if known Gilbert's disease).
19. Aspartate aminotransferase or alanine aminotransferase > 2.5 × ULN (except in participants with known iron overload).
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: N / A
- Modello interventistico: Assegnazione di gruppo singolo
- Mascheramento: Nessuno (etichetta aperta)
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
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Sperimentale: Dibotatug (DR-01)
Subjects in this arm will receive 20 weeks of dosing with dibotatug.
Subjects with a CR or PR by Week 24 have the option to continue dosing through Week 48; Dibotatug will be administered via IV infusion.
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Dibotatug (DR-01) administered by IV infusion
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Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Efficacy of dibotatug in participants with BMF syndromes
Lasso di tempo: By 6 months
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Overall response rate (complete response [CR] + partial response [PR]), as defined in disease-specific hematologic criteria
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By 6 months
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Safety and tolerability of dibotatug in participants with BMF syndromes
Lasso di tempo: 52 weeks
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Incidence, severity, and relationship of treatment-emergent adverse events (TEAEs), changes in clinical laboratory values, and vital signs
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52 weeks
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Collaboratori e investigatori
Sponsor
Investigatori
- Direttore dello studio: Wan-Jen Hong, MD, Dren Bio
Studiare le date dei record
Studia le date principali
Inizio studio (Stimato)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- DR-01-HEM-001
Piano per i dati dei singoli partecipanti (IPD)
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Informazioni su farmaci e dispositivi, documenti di studio
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Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .
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