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Lanoracopan to Prevent Acute GVHD Following Haploidentical Peripheral Blood Stem Cell Transplantation: A Prospective Multicenter Single-Arm Exploratory Study

Lanoracopan for Prevention of Acute Graft-Versus-Host Disease After Haploidentical Peripheral Blood Stem Cell Transplantation: A Prospective, Multicenter, Single-Arm Exploratory Study

This is a prospective, multicenter, open-label, single-arm exploratory study. Thirty adult patients with hematologic malignancies who are scheduled to receive haploidentical peripheral blood stem-cell transplantation with myeloablative conditioning will be enrolled.

All participants will receive standard anti-thymocyte globulin (ATG, total 7.5 mg/kg), standard graft-versus-host-disease (GVHD) prophylaxis (calcineurin inhibitor + mycophenolate mofetil + short-course methotrexate), plus lanoracopan 200 mg twice daily from day +1 to day +90 after stem-cell infusion. Lanoracopan is an approved complement alternative-pathway inhibitor being used off-label for GVHD prevention in this trial. Mandatory antibiotic prophylaxis against encapsulated bacterial pathogens will be given.

The primary goal is to evaluate the safety of lanoracopan in this transplant setting, including adverse events / serious adverse events, neutrophil and platelet engraftment, graft-failure rate, and infectious complications. The key secondary objective is to explore the cumulative incidence of grade II-IV acute GVHD at day 100 post-transplant. Additional secondary outcomes include chronic GVHD, TA-TMA, 1-year overall survival, disease-free survival, cumulative incidence of relapse, and non-relapse mortality. Exploratory biomarker assessments will be performed on plasma and serum samples.

Participants will be followed for 1 year after transplantation. No control group is included in this exploratory study.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

30

Fase

  • Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

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 70 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  1. Age 18-70 years, any gender.
  2. Diagnosed with hematologic malignancy according to WHO 2022 guidelines and eligible for allogeneic hematopoietic stem-cell transplantation.
  3. Scheduled to receive haploidentical peripheral blood stem-cell transplantation.
  4. Receive myeloablative conditioning regimen.
  5. Eastern Cooperative Oncology Group (ECOG) performance status 0-2.
  6. Adequate major organ function: left-ventricular ejection fraction ≥50%; DLCO ≥50% predicted value; ALT/AST ≤3×ULN, total bilirubin ≤2×ULN; creatinine clearance ≥60 mL/min.
  7. Able to understand study requirements and provide written informed consent.

Exclusion Criteria:

  1. Prior allogeneic hematopoietic stem-cell transplantation.
  2. Active uncontrolled infection judged by investigator.
  3. Myocardial infarction or unstable angina within previous 6 months.
  4. Known hypersensitivity to lanoracopan or its excipients.
  5. Pregnant or breastfeeding female subjects.
  6. Concurrent participation in other investigational drug clinical trials with similar mechanism.
  7. Any other conditions that make the subject unsuitable for enrollment as judged by the investigator.

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Forebyggelse
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Lanoracopan Combined With ATG and Standard GVHD Prophylaxis

200 mg oral, twice daily, administered from post-transplant day +1 to day +90. Off-label use for prevention of acute graft-versus-host-disease.

Total dose 7.5 mg/kg, administered intravenously from pre-transplant day -5 to day -2.

Standard-dose calcineurin inhibitor (either cyclosporine or tacrolimus) as part of routine GVHD prophylaxis.

Mycophenolate mofetil given per local center routine for GVHD prophylaxis.

Short-course methotrexate for standard GVHD prophylaxis after allogeneic stem-cell transplantation.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Safety: Incidence and severity of adverse events (AEs) and serious adverse events (SAEs); neutrophil and platelet engraftment; graft-failure rate; infectious complications
Tidsramme: From study drug initiation (post-transplant day +1) up to 1 year after stem-cell transplantation

To evaluate the safety of lanoracopan for aGVHD prophylaxis. Assess the incidence and maximum grade of adverse events (AEs) and serious adverse events (SAEs) graded by CTCAE version 5.0; time to neutrophil engraftment, time to platelet engraftment; graft failure rate; incidence of infectious complications among participants.

From study drug initiation (post-transplant day +1) up to 1 year after stem-cell transplantation

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Cumulative incidence of grade II-IV acute graft-versus-host disease (aGVHD)
Tidsramme: 100 days after stem-cell transplantation

Key secondary endpoint. Cumulative incidence of grade II-IV aGVHD at day 100 after haploidentical peripheral blood stem-cell transplantation, estimated by cumulative incidence function with non-relapse mortality as competing event.

100 days after stem-cell transplantation
Cumulative incidence of chronic graft-versus-host disease (cGVHD)
Tidsramme: Up to 1 year after stem-cell transplantation

Cumulative incidence of cGVHD within 1-year post-transplantation.

Up to 1 year after stem-cell transplantation
One-year overall survival (OS), disease-free survival (DFS), cumulative incidence of relapse (CIR), non-relapse mortality (NRM)
Tidsramme: Up to 1 year after stem-cell transplantation

Evaluate 1-year OS, 1-year DFS, 1-year CIR and 1-year NRM after haploidentical peripheral blood stem-cell transplantation.

Up to 1 year after stem-cell transplantation

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. december 2026

Primær færdiggørelse (Anslået)

1. december 2027

Studieafslutning (Anslået)

1. december 2028

Datoer for studieregistrering

Først indsendt

4. november 2026

Først indsendt, der opfyldte QC-kriterier

4. november 2026

Først opslået (Faktiske)

9. november 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

9. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

4. november 2026

Sidst verificeret

1. november 2026

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

Individual participant-level data (IPD) will not be shared with external researchers. This is a single-arm exploratory study sponsored by a hospital. Aggregated study results will be published in peer-reviewed journals and presented at academic conferences, but raw individual-level participant data cannot be released due to participant privacy protection and institutional data management requirements.

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .