PTCy + Sirolimus/VIC-1911 as GVHD Prophylaxis in Myeloablative PBSC Transplantation

  • End date
    Mar 31, 2028
  • participants needed
  • sponsor
    Masonic Cancer Center, University of Minnesota
Updated on 6 May 2022
acute leukemia
ejection fraction
cell transplantation


This is a single-arm, phase I/II, study of PTCy/sirolimus plus VIC-1911 to prevent GVHD and relapse after Allogeneic Hematopoietic Cell Transplantation (alloHCT).


Determination of the optimal dose during the Phase I trial is based on Dose Limiting Toxicity for safety and reduction of CD4+, pH3ser10+ T cells (phosphorylated histone 3 serine 10 is a biomarker of Aurora kinase A activity) for efficacy. Phase II will be powered to improve grade III-IV acute graft-versus-host disease and relapse after alloHCT, compared to historical estimates at the University of Minnesota.

Patients will receive myeloablative conditioning (MAC) with total body irradiation (TBI) followed by infusion of HLA-matched related or unrelated peripheral blood stem cells (PBSC) on day 0. Cyclophosphamide will be administered on days +3 and +4. Sirolimus targeting 8-12ng/ml will begin on day +5 until day +365. VIC-1911 will be administered as 25 mg, 50 mg, or 75 mg orally BID from day +5 to day +45 according to the rules of our phase I study. The lowest biologically active and safe dose of VIC-1911 will be identified as the recommended phase II dose.

Condition Acute Leukemia, Myelodysplastic Syndromes, Myeloproliferative Neoplasm, Lymphoma
Treatment VIC- 1911
Clinical Study IdentifierNCT05120570
SponsorMasonic Cancer Center, University of Minnesota
Last Modified on6 May 2022


Yes No Not Sure

Inclusion Criteria

Diagnosis of
acute leukemia in complete remission, or
myelodysplasia with <5% blasts, or
myeloproliferative neoplasm/myelofibrosis with <5% marrow or circulating blasts
chemosensitive Hodgkin or non-Hodgkin lymphoma
Age 18 years or older
Performance status of ≥ 80% Karnofsky
Adequate organ function within 28 days of study registration defined as
left ventricular ejection fraction ≥ 45%
pulmonary function with FEV1, FVC, and DLCO ≥ 50% predicted
AST and ALT < 2 times upper limit of normal
Total bilirubin <1.5 times the upper limit of normal. If the patient is suspected of having Gilbert syndrome, they require prior approval of the medical monitor
creatinine clearance ≥ 50cc/min
no active/uncontrolled infection
negative HIV, HBV and HCV
ferritin < 2000 ng/ml
Patients able to tolerate oral medication
Women of childbearing potential and men with partners of child-bearing potential must agree to use of contraception for the duration of treatment through 60 days after the last treatment of VIC-1911 or sirolimus
Able to provide written voluntary consent prior to the performance of any research related tests or procedures

Exclusion Criteria

HCT-CI > 4 or unable to receive myeloablative TBI
Use of planned post-transplant maintenance therapy to begin prior to day +75. Patients may receive standard of care maintenance therapies starting at day
+75 or later
Patients with a history of hypersensitivity to any of the investigational products
Pregnant or breastfeeding as agents used in this study are Pregnancy Category
C: Drugs which, owing to their pharmacological effects, have caused or may be suspected of causing, harmful effects on the human fetus or neonate without causing malformations, and Pregnancy category D: There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks. Females of childbearing potential must have a negative pregnancy test (serum or urine) within 28 days of study registration
Women or men of childbearing potential unwilling to take adequate precautions to avoid
unintended pregnancy from the start of protocol treatment through 60 days
after the last treatment of VIC-1911 or sirolimus
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