Clinical trial • Phase III • Haematology

CYCLOPHOSPHAMIDE for Hematological malignancy

Phase III trial of CYCLOPHOSPHAMIDE for Hematological malignancy.

Overview

Trial Therapeutic Area
Haematology
Trial Disease
Hematological malignancy
Trial Stage
Phase III
Drug Modality
Small molecule

Key dates

Initial CTIS Submission Date
05-05-2025
First CTIS Authorization Date
11-07-2025

Trial design

Randomised, two comparator regimens of post-transplant cyclophosphamide (ptcy): reduced total dose 70 mg/kg versus standard total dose 100 mg/kg (ptcy). route: intravenous infusion. detailed dosing schedule not specified in the ctis data.-controlled Phase III trial across 16 sites in France.

Randomised
Yes
Comparator
Two comparator regimens of post-transplant cyclophosphamide (PTCy): reduced total dose 70 mg/kg versus standard total dose 100 mg/kg (PTCy). Route: intravenous infusion. Detailed dosing schedule not specified in the CTIS data.
Target Sample Size
180
Trial Duration For Participant
730

Eligibility

Recruits 180 Vulnerable individuals are explicitly excluded: "Individuals under legal protection measures or unable to provide consent (e.g., severe neurological or psychiatric disorders, or deprivation of liberty by judicial or administrative decision)". Written informed consent is required from participants (adults ≥18). No paediatric assent procedures are indicated; participants must be able to provide consent themselves..

Pregnancy Exclusion
Pregnancy, breast-feeding, or refusal to use effective contraception
Vulnerable Population
Vulnerable individuals are explicitly excluded: "Individuals under legal protection measures or unable to provide consent (e.g., severe neurological or psychiatric disorders, or deprivation of liberty by judicial or administrative decision)". Written informed consent is required from participants (adults ≥18). No paediatric assent procedures are indicated; participants must be able to provide consent themselves.

Inclusion criteria

  • {"criterion_text":"- Age ≥ 18 years"}
  • {"criterion_text":"- Confirmed hematological malignancy with an indication for allogeneic HSCT"}
  • {"criterion_text":"- Presence of a haploidentical donor willing to donate PBSC"}
  • {"criterion_text":"- Patient planned to receive a thiotepa-based conditioning regimen"}
  • {"criterion_text":"- Provision of written informed consent"}
  • {"criterion_text":"- Affiliation to a social security system (excluding “Aide Médicale d’État”)"}

Exclusion criteria

  • {"criterion_text":"- Karnofsky performance status < 70%"}
  • {"criterion_text":"- Concurrent participation in another investigational therapeutic study"}
  • {"criterion_text":"- Inability to comply with study procedures"}
  • {"criterion_text":"- Life expectancy < 1 month, as determined by the attending physician"}
  • {"criterion_text":"- Acute or chronic heart failure, defined as left ventricular ejection fraction < 40%"}
  • {"criterion_text":"- Pulmonary dysfunction with diffusion capacity < 50% of predicted values"}
  • {"criterion_text":"- Renal impairment with estimated glomerular filtration rate (eGFR) < 45 mL/min (calculated using the CKD-EPI formula)"}
  • {"criterion_text":"- Positive HIV status"}
  • {"criterion_text":"- Pregnancy, breast-feeding, or refusal to use effective contraception"}
  • {"criterion_text":"- Individuals under legal protection measures or unable to provide consent (e.g., severe neurological or psychiatric disorders, or deprivation of liberty by judicial or administrative decision)"}
  • {"criterion_text":"- Hypersensitivity to the active substance or any of the excipients"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- assessment of the GREFS at 2 years after HSCT, a composite endpoint defined as the probability of survival without severe GVHD, relapse/progression of the hematological malignancy, or PTCy-associated adverse event, whichever comes first from transplantation","definition_or_measurement_approach":"Composite endpoint defined as the probability of survival without severe GVHD, relapse/progression of the hematological malignancy, or PTCy-associated adverse event, assessed at 2 years after HSCT."}

Secondary endpoints

  • {"endpoint_text":"- Overall survival (OS) at 2 years: From transplantation until death from any cause or up to 24 months, whichever occurs first","definition_or_measurement_approach":"From transplantation until death from any cause or up to 24 months."}
  • {"endpoint_text":"- Quality of life at 1, 3, 6, 12, and 24 months after HSCT compared to baseline using two questionnaires: FACT-BMT (Functional Assessment of Cancer Therapy - Bone Marrow Transplant, version 4) and EQ-5D-5L (EuroQol 5-Dimension, 5-Level questionnaire).","definition_or_measurement_approach":"Assessed using FACT-BMT v4 and EQ-5D-5L at 1, 3, 6, 12 and 24 months versus baseline."}
  • {"endpoint_text":"- Organ damage toxicities assessed by the common terminology criteria for adverse events (CTCAE) v5.0, cumulative incidences of bacterial, viral, and fungal infections, and failure to achieve neutrophil recovery (absolute neutrophil count > 0.5 x 109/L) or platelet recovery (platelet count > 50 x 109/L) after HSCT From transplantation until the occurrence of the event, day +60 for hematological recovery, or up to 24 months for organ damage toxicities and infections, whichever occurs first","definition_or_measurement_approach":"Organ toxicities by CTCAE v5.0; infections cumulative incidence; hematological recovery defined as ANC > 0.5 x10^9/L and platelets >50 x10^9/L. Timeframes: up to event, day +60 for hematological recovery, up to 24 months for organ toxicities/infections."}
  • {"endpoint_text":"- Cumulative incidence and severity of acute and chronic GVHD: From transplantation until the occurrence of GVHD or death from any cause, or up to 180 days after transplantation for acute GVHD, or up to 24 months for chronic GVHD, whichever occurs first","definition_or_measurement_approach":"Cumulative incidence and grade of acute GVHD (up to 180 days) and chronic GVHD (up to 24 months) from transplantation until event or death."}
  • {"endpoint_text":"- Non-relapse mortality (NRM) at 2 years: From transplantation until death without evidence of relapse or up to 24 months, whichever occurs first","definition_or_measurement_approach":"Death without relapse from transplantation up to 24 months."}
  • {"endpoint_text":"- Cumulative incidence of relapse at 2 years: From transplantation until the occurrence of relapse or up to 24 months, whichever occurs first","definition_or_measurement_approach":"Occurrence of relapse from transplantation up to 24 months."}
  • {"endpoint_text":"- Disease-free survival (DFS) at 2 years: From transplantation until relapse or progression of the hematological disease, death, or up to 24 months, whichever occurs first","definition_or_measurement_approach":"Time from transplantation to relapse/progression, death, or up to 24 months."}
  • {"endpoint_text":"- GVHD-free, relapse-free survival (GRFS) at 2 years: From transplantation until the occurrence of acute grade III-IV GVHD, severe chronic GVHD, relapse, death, or up to 24 months, whichever occurs first","definition_or_measurement_approach":"Composite endpoint: time to acute grade III-IV GVHD, severe chronic GVHD, relapse, or death, assessed up to 24 months."}
  • {"endpoint_text":"- Incremental cost-effectiveness (cost/life year) and cost-utility (cost/quality-adjusted life-year, QALY) ratios at 2 years.","definition_or_measurement_approach":"Health economic evaluation using cost per life-year and cost per QALY at 2 years."}

Recruitment

Planned Sample Size
180
Recruitment Window Months
47
Consent Approach
Written informed consent required from participants (Provision of written informed consent). A subject information sheet and informed consent form for adults is listed (L1_SIS and ICF adults). Participants must be ≥18 and able to provide consent themselves; no paediatric assent procedures are indicated. Materials/translations include French (protocol translations present).

Geography

Total Number Of Sites
16
Total Number Of Participants
180

France

Earliest CTIS Part Ii Submission Date
16-06-2025
Latest Decision Or Authorization Date
11-07-2025
Processing Time Days
25
Number Of Sites
16
Number Of Participants
180

Sites

Site Name
Centre Hospitalier Universitaire De Nantes
Department Name
Clinical Hematology
Contact Person Name
Patrice CHEVALLIER
Site Name
CHU Toulouse
Department Name
Hematology
Contact Person Name
Anne HUYNH
Contact Person Email
huynh@iuct-oncopole.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Clinical Hematology
Contact Person Name
Florent MALARD
Contact Person Email
florent.malard@aphp.fr
Site Name
CHU de Besançon
Department Name
Hematologie 1
Contact Person Name
Lise BENJEMIA
Contact Person Email
lbenjemia@chu-besancon.fr
Site Name
Centre Hospitalier Universitaire De Bordeaux
Department Name
Clinical Hematology
Contact Person Name
Edouard FORCADE
Site Name
Centre Hospitalier Universitaire De Lille
Department Name
Maladies du sang
Contact Person Name
Micha SROUR
Contact Person Email
micha.srour@chu-lille.fr
Site Name
Assistance Publique Hopitaux De Paris
Department Name
Hematologie
Contact Person Name
Marie ROBIN
Contact Person Email
marie.robin@aphp.fr
Site Name
University Hospital Of Clermont-Ferrand
Department Name
Hematology and cellular
Contact Person Name
Aurélie RAVINET
Site Name
Centre Hospitalier Universitaire De Caen Normandie
Department Name
Clinical Hematology
Contact Person Name
Sylvain CHANTEPIE
Contact Person Email
chantepie-s@chu-caen.fr
Site Name
CHU de Saint-Etienne
Department Name
Hematology
Contact Person Name
Jérome CORNILLON
Site Name
Centre Hospitalier Et Universitaire De Limoges
Department Name
Clinical Hematology
Contact Person Name
Pascal TURLURE
Contact Person Email
pascal.turlure@chu-limoges.fr
Site Name
Institut Paoli Calmettes
Department Name
Hematologie 1
Contact Person Name
Raynier DEVILLIER
Contact Person Email
devillierr@ipc.unicancer.fr
Site Name
Centre Hospitalier Universitaire Amiens Picardie
Department Name
Clinical Hematology
Contact Person Name
Amandine CHARBONNIER
Site Name
Centre Hospitalier Lyon Sud
Department Name
Hematology
Contact Person Name
Sandrine LORON
Contact Person Email
sandrine.loron@chu-lyon.fr
Site Name
Centre Hospitalier Regional D'Angers
Department Name
Maladies du sang
Contact Person Name
Sylvie FRANCOIS
Contact Person Email
sufrancois@chu-angers.fr
Site Name
Centre Hospitalier Universitaire De Montpellier
Department Name
Clinical Hematology
Contact Person Name
Patrice CEBALLOS
Contact Person Email
p-ceballos@chu-montpllier.fr

Sponsor

Primary sponsor

Full Name
Assistance Publique Hopitaux De Paris
Organisation Type
Hospital/Clinic/Other health care facility
Country Of Registered Address
France

Investigational products

Investigational Product Name
CYCLOPHOSPHAMIDE
Active Substance
CYCLOPHOSPHAMIDE
Modality
Small molecule
Routes Of Administration
INTRAVENOUS INFUSION
Route
INTRAVENOUS INFUSION
Starting Dose
70 mg/kg (reduced arm) and 100 mg/kg (standard arm)
Dose Levels
70 mg/kg; 100 mg/kg
Maximum Dose
100 mg/kg (max daily); 200 mg/kg (max total)

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