PTCy and Ruxolitinib vs PTCy, Tacrolimus and MMF in MUD and Haploidentical HSCT (PTCyRuxo)

  • End date
    Dec 19, 2024
  • participants needed
  • sponsor
    St. Petersburg State Pavlov Medical University
Updated on 19 April 2022
graft versus host disease
mycophenolate mofetil
flow cytometry
cell transplantation
blast cells


This is multicenter investigator-initiated randomized open-label phase II clinical trial to compare prophylaxis of graft versus host disease treated with tacrolimus and mycophenolate mofetil versus ruxolitinib after post-transplant cyclophosphamide.

In total 128 patients will be included in the study. After inclusion into the study and performing of transplantation patients will be randomized in 1:1 proportion in two arms (64 patients per arm): arm A will include patients who will be treated with cyclophosphamide and ruxolitinib for GVHD prophylaxis; arm B will include patients who will be treated with cyclophosphamide, tacrolimus and MMF for GVHD prophylaxis. After the end of the treatment patients will be followed-up during two years.

Condition Graft-versus-host-disease, Stem Cell Transplant Complications, Acute Myeloid Leukemia, Acute Lymphoid Leukemia
Treatment mycophenolate mofetil, Tacrolimus, Ruxolitinib
Clinical Study IdentifierNCT04669210
SponsorSt. Petersburg State Pavlov Medical University
Last Modified on19 April 2022


Yes No Not Sure

Inclusion Criteria

Informed consent to participate in the study, signed by the patient
Diagnosis: acute lymphoblastic or acute myeloblastic leukemia
Morphological remission, defined as less than 5% of blasts by microscopy or flow cytometry with a peripheral leukocyte level of more than 1.500 μL. It is acceptable to include patients without restored platelets or erythrocytes
Indications for performing allogeneic hematopoietic stem cell transplantation, determined by the participating center in accordance with local medical practice
Unrelated or haploidentical donor
Age 18-70 years
Functional status according to ECOG scale 0-2 score

Exclusion Criteria

Repeated allogeneic transplantation, regardless of the indications for its implementation
Source of graft - umbilical cord stem cells
Any ex vivo modification of the graft with the exception of separation or washing of red blood cells
The presence of more than 5% of clonal tumor cells according to flow cytometry in the presence of morphological remission
Diagnosis: acute promyelocytic leukemia
Severe organ failure: creatinine more than 2 ULN; ALT, AST more than 5 ULN; bilirubin more than 1.5 ULN; respiratory failure more than 1 grade
Unstable hemodynamics, requiring the introduction of vasopressors
Uncontrolled bacterial or fungal infection at the time of randomization, determined by the level of CRP> 70 mg/l with adequate antibacterial or antifungal therapy
Rhythm disturbances that persist despite adequate antiarrhythmic therapy: a tachysystolic form of atrial fibrillation, ventricular arrhythmias V gradation according to Laun, AV block of III degree
Decrease in ejection fraction according to echocardiography less than 40%
Angina of more than II functional class or unstable angina
Another severe concomitant pathology, which according to the attending physician does not allow the patient to be included in the study
Pulmonary pathology with a decrease in FEV1 of less than 60% or pulmonary diffusion capacity of less than 60%
Inability to quit smoking for up to 6 months after transplantation
Pregnancy or refusal to perform highly effective contraception for 6 months after transplantation
Highly effective contraceptive methods include
Total abstinence: if it corresponds to the preferred and customary way of life of the patient. Periodic abstinence (for example, calendar, ovulation, symptothermal, postovulation methods) and interrupted sexual intercourse are not considered acceptable methods of contraception
Female sterilization (surgical bilateral oophorectomy with or without hysterectomy), total hysterectomy or tubal ligation at least 6 weeks before the start of the therapy being studied. In the case of ovariectomy only, the reproductive status of the woman must be confirmed using a subsequent analysis of hormones
Sterilization of the male partner (at least 6 months before screening). For women participating in the study, the sexual partner after a vasectomy should be the only partner
Use of oral, injectable or implanted hormonal contraceptive drugs, intrauterine devices or contraceptive systems, or other forms of hormonal contraception with similar efficacy (failure rate less than 1%), for example, hormonal vaginal rings or transdermal hormonal contraceptives
Somatic or mental pathology not allowing to sign informed consent
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