- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07585136
Stem Cell Mobilization and Apheresis for Life-threatening Blood Disorders
The purpose of this study is to investigate mobilization and collection of HSPCs in patients with bone marrow failure syndromes (BMFS) using granulocyte-colony stimulating factor (otherwise known as Filgrastim) with plerixafor to demonstrate safety and feasibility of collecting HSPCs to advance gene therapy.
Primary objective:
- To characterize the safety of Filgrastim plus plerixafor in participants with bone marrow failure syndromes as determined by the incidence of adverse events (AEs).
Secondary Objectives:
- To characterize the feasibility of HSPC mobilization using Filgrastim plus plerixafor as determined by peripheral blood CD34+ counts.
- To measure the mobilization effects of Filgrastim plus plerixafor in the peripheral blood in participants as determined by peak peripheral blood CD34+ counts.
- To estimate efficacy of Filgrastim plus plerixafor for HSPC mobilization and apheresis collection in participants as determined by the yield of CD34+ cells (CD34+ cells/kg).
Panoramica dello studio
Stato
Condizioni
Intervento / Trattamento
Descrizione dettagliata
Tipo di studio
Iscrizione (Stimato)
Fase
- Fase 1
Contatti e Sedi
Contatto studio
- Nome: Alexis Leonard, MD
- Numero di telefono: 888-226-4343
- Email: referralinfo@stjude.org
Luoghi di studio
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Tennessee
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Memphis, Tennessee, Stati Uniti, 38105-2794
- Saint Jude Children's Research Hospital
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Contatto:
- Alexis Leonard, MD
- Numero di telefono: 888-226-4343
- Email: referralinfo@stjude.org
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Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Participants with a bone marrow failure syndrome with an identified genetic cause willing to donate autologous HSPCs for advancing gene therapy
- Age ≥ 18 years - 25 years
The following hematological parameters need to be met (regardless of transfusion or growth factor support)
- Hb > 8 g/dL
- ANC > 500/mm3
- Platelet > 30,000/mm3
- Bone marrow evaluation within the preceding 6 months prior to mobilization and apheresis
- Participants should either have a central venous catheter (CVC) in place, be able to undergo apheresis without requiring a CVC, or agree to having a temporary apheresis catheter placed
- Karnofsky score >80
- Negative serologic tests for syphilis, hepatitis B and C, HIV, and HTLV-1/II
- Female participants of childbearing age should have a negative serum pregnancy test within one week of beginning Filgrastim and plerixafor administration
Exclusion Criteria:
- Participant with sickle cell disease
- Participant who has had a prior autologous or allogeneic HSCT
- Active viral, bacterial, fungal, or parasitic infection
- Total bilirubin >2.5x ULN or transaminases >5x ULN
- Moderate or severe renal failure defined as serum/plasma creatinine >1.5 mg/dL and an estimated glomerular filtration rate (eGFR) < 60 mL/min/1.73 m2 based on the CKD-Epi equation or the St. Jude equation
- Diagnosis of MDS or other hematologic malignancy
- History of malignancy
- Known allergy to or contraindication for Filgrastim or plerixafor administration, or medications routinely administered during apheresis
- Splenomegaly (size greater than upper limit of normal on examination)
- Any disease or concomitant process that is not compatible with the study as per investigator opinion
- Concomitant treatment with alternative investigational agent or participation in another clinical trial with an investigational drug within 5 half-lives of the investigational agent
- Unwillingness to use a highly effective method of contraception for 1 month after plerixafor or GCSF
- Pregnancy
- Inability or unwillingness of research participant to give written informed consent.
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Altro
- 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: BDSTEM Treatment
Participants in this study will receive a twice daily dose of Filgrastim (GCSF) (5 mcg/kg BID) SQ starting on day 1 for 5 days followed by a single dose of SQ plerixafor (0.24 mg/kg) on day 5 followed by collection of CD34+ HSPCs via apheresis. A portion of cells collected from the participant will be stored as backup to be used toward future gene therapy endeavors. The remaining cells will be donated for research studies |
Administered twice daily dose starting on day 1 for 5 days.
Administered on day 5 via IV.
Peripheral venous access or through a central venous catheter approximately 4-5 hours after the dose of plerixafor is given.
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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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Incidence of treatment-emergent adverse events following filgrastim plus plerixafor administration
Lasso di tempo: From initiation of drug administration through Day +7 to +10 follow-up
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Safety will be assessed by the incidence, type, and severity of adverse events occurring after administration of filgrastim plus plerixafor in participants with bone marrow failure syndromes.
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From initiation of drug administration through Day +7 to +10 follow-up
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
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Number of participants achieving peripheral blood CD34+ counts ≥5 cells/µL
Lasso di tempo: From initiation of plerixafor administration through completion of apheresis, or 6 hours after drug administration if apheresis is not performed
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Feasibility of hematopoietic stem and progenitor cell mobilization will be assessed by peripheral blood CD34+ cell counts measured after plerixafor administration and prior to or during apheresis.
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From initiation of plerixafor administration through completion of apheresis, or 6 hours after drug administration if apheresis is not performed
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Peripheral blood CD34+ kinetics following filgrastim plus plerixafor administration
Lasso di tempo: After plerixafor administration through completion of apheresis, or 6 hours after drug administration if apheresis is not performed
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Peripheral blood CD34+ cell counts will be measured after plerixafor administration and prior to or during apheresis.
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After plerixafor administration through completion of apheresis, or 6 hours after drug administration if apheresis is not performed
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Observed CD34+ cell yield after 1 blood volume apheresis
Lasso di tempo: At completion of 1 blood volume apheresis on Day 5
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CD34+ cell yield (CD34+ cells/kg) collected after processing 1 blood volume during apheresis following filgrastim plus plerixafor administration.
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At completion of 1 blood volume apheresis on Day 5
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Estimated total CD34+ cell yield from projected full-volume apheresis
Lasso di tempo: At completion of 1 blood volume apheresis on Day 5
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Estimated total CD34+ cell yield (CD34+ cells/kg) projected from the observed yield after processing 1 blood volume during apheresis.
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At completion of 1 blood volume apheresis on Day 5
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Collaboratori e investigatori
Investigatori
- Investigatore principale: Alexis Leonard, MD, St. Jude Children's Research Hospital
Pubblicazioni e link utili
Collegamenti utili
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
Termini MeSH pertinenti aggiuntivi
- Malattie ematologiche
- Malattie del midollo osseo
- Malattie emiche e linfatiche
- Disturbi da insufficienza del midollo osseo
- Peptidi
- Aminoacidi, peptidi e proteine
- Proteine
- Tecniche investigative
- Terapie
- Tecniche di laboratorio clinico
- Tecniche citologiche
- Fattori biologici
- Carboidrati
- Peptidi e proteine di segnalazione intercellulare
- Glicoproteine
- Glicoconiugati
- Terapia biologica
- Citaferesi
- Rimozione della componente del sangue
- Procedure di riduzione dei leucociti
- Separazione cellulare
- Fattori stimolanti le colonie
- Fattori di crescita delle cellule ematopoietiche
- Citochine
- Fattore stimolante le colonie di granulociti
- Leukaferesi
- Filgrastim
- plerixafor
Altri numeri di identificazione dello studio
- BDSTEM
Piano per i dati dei singoli partecipanti (IPD)
Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?
Descrizione del piano IPD
Periodo di condivisione IPD
Criteri di accesso alla condivisione IPD
Tipo di informazioni di supporto alla condivisione IPD
- STUDIO_PROTOCOLLO
- LINFA
- ICF
Informazioni su farmaci e dispositivi, documenti di studio
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Studia un dispositivo regolamentato dalla FDA degli Stati Uniti
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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