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Haplo-PBSC+Cord vs Haplo-PBSC+BM for Hematological Malignancies Undergoing Allo-HSCT

13. marts 2022 opdateret af: Qifa Liu, Nanfang Hospital of Southern Medical University

A Comparative Study of Haploidentical Transplantation Supported by Third-party Cord Blood and Haploidentical Transplantation in Hematological Malignancies

The objective of this study was to explore whether the combination with umbilical cord blood (UCB) is associated with superior disease-free survival (DFS) in the setting of haploidentical donors (HID) transplantation.

Studieoversigt

Detaljeret beskrivelse

The main causes of allogeneic hematopoietic stem cell transplantation (allo-HSCT) failure are primary disease relapse and transplant-related complications, especially relapse. In recent years, with the development of transplantation technology, alternative donors such as HID and UCB have been widely used. But, these alternative donors are associated with high incidences of transplant-related complications and mortalities when compared with human leukocyte antigen (HLA)-matched donors. Some studies suggeted that mixed grafts might overcome the disadvantages of a single alternative graft. UCB transplant (UCBT) supported by third-party HID or HID transplants supported by third-party UCB has been reported to have rapid engraftment and low incidences of graft-versus-host-disease (GVHD), making survival improvement. However, most of these results came from single-arm studies. The comparative studies between haplo-PBSC+Cord and haplo-PBSC+BM are scarce in the setting of HID transplantation. In a retrospective study, the investigators found haplo-PBSC+Cord transplantation has superior DFS than haplo-PBSC+BM in hematological malignancies. To further confirmed this conclusion, the investigators plan to conduct a prospective, multicenter, phase 3 randomized controlled trial.

Undersøgelsestype

Interventionel

Tilmelding (Forventet)

314

Fase

  • Fase 3

Kontakter og lokationer

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Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

    • Guangdong
      • Guangzhou, Guangdong, Kina, 510515
        • Rekruttering
        • Department of Hematology,Nanfang Hospital, Southern Medical University
        • Kontakt:

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 65 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Patients with hematologic malignancies undergoing first HID allo-HSCT
  • Age 18 to 65 years old with ECOG performance status 0-2
  • Received myeloablative conditioning regimens
  • Sign informed consent form, have the ability to comply with study and follow-up procedures

Exclusion Criteria:

  • Received PBSCs as only grafts
  • Acute leukemia transformed from a myeloproliferative tumor
  • Cardiac dysfunction (particularly congestive heart failure, unstable coronary artery disease and serious cardiac ventricular arrhythmias requiring antiarrhythmic therapy)
  • Respiratory failure ( PaO2 ≤60mmHg)
  • Hepatic abnormalities (total bilirubin ≥3 mg/dL, aminotransferase >2 times the upper limit of normal)
  • Renal dysfunction (creatinine clearance rate < 30 mL/min)
  • ECOG performance status 3, 4 or 5
  • With any conditions not suitable for the trial (investigators' decision)

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Haplo-PBSC+Cord group
The third party UCB will be infused the day after infusion of PBSCs from HID.
PBSCs harvest is performed from day 5 of G-CSF to obtain at least 7.0×10^8 total nucleated cells/kg recipient ideal body weight.
The criteria for cord selection included the following: (1) ≥3 of 6 HLA loci , (2) blood type matches, (3) contained a minimum cell count of 0.3×10^8 nucleated cells/kg and 0.15×10^6 CD34-positive cells/kg before freezing. The third party UCB will be infused the day after infusion of PBSCs.
Aktiv komparator: Haplo-PBSC+BM group
The BMSCs from the same HID will be infused the day after infusion of PBSCs.
PBSCs harvest is performed from day 5 of G-CSF to obtain at least 7.0×10^8 total nucleated cells/kg recipient ideal body weight.
BMSCs of donor will be collected and infused at least 0.5×10^8 total nucleated cells/kg recipient ideal body weight the day after PBSCs infusion.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Sygdomsfri overlevelse (DFS)
Tidsramme: 1 år
1 år

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Samlet overlevelse (OS)
Tidsramme: 1 år
1 år
Tilbagefaldsfrekvens
Tidsramme: 1 år
1 år
The cumulative incidence of hematopoietic engraftment.
Tidsramme: 30 days post-transplantation
Hematopoietic engraftment includes the time of neutrophil and platelet engraftment. Neutrophil engraftment was defined as the first of two consecutive days with an absolute neutrophil count in the peripheral blood exceeding 0.5 × 10^9/L and the platelet engraftment was defined as the first of 3 days with an absolute platelet count exceeding 20 × 10^9 /L without transfusion support.
30 days post-transplantation
The cumulative incidence of acute graft-versus-host-disease (GVHD)
Tidsramme: 100 days post-transplantation
Acutue GVHD was defined according to the 1994 consensus conference on acute GVHD grading and graded from I to IV.
100 days post-transplantation
The cumulative incidence of chronic GVHD
Tidsramme: 1 year
Chronic GVHD was graded as mild, moderate and severe according to the national institutes of health consensus development project on criteria for clinical trials in chronic GVHD: the 2014 diagnosis and staging working group report.
1 year

Samarbejdspartnere og efterforskere

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Datoer for undersøgelser

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Studer store datoer

Studiestart (Faktiske)

15. februar 2022

Primær færdiggørelse (Forventet)

30. september 2023

Studieafslutning (Forventet)

30. september 2024

Datoer for studieregistrering

Først indsendt

3. marts 2022

Først indsendt, der opfyldte QC-kriterier

13. marts 2022

Først opslået (Faktiske)

22. marts 2022

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

22. marts 2022

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

13. marts 2022

Sidst verificeret

1. marts 2022

Mere information

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