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A Pilot Study of Brentuximab Vedotin in the Prevention of Graft-Versus-Host Disease (GVHD) After Mismatched Unrelated Allogeneic Stem Cell Transplantation

18 Years
65 Years
Open (Enrolling)
Leukemia, Acute Myeloid, Leukemia, Lymphoblastic,Acute, Myelodysplastic Syndromes

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Trial Information

A Pilot Study of Brentuximab Vedotin in the Prevention of Graft-Versus-Host Disease (GVHD) After Mismatched Unrelated Allogeneic Stem Cell Transplantation

Inclusion Criteria:

- Patient must be scheduled to undergo mismatched unrelated donor allogeneic stem cell
transplantation for acute myeloid leukemia (AML) in CR1 (first complete remission, CR
or CRi) or CR2 (second complete remission, CR or CRi), acute lymphoblastic leukemia
(ALL) in CR1 or CR2 (CR or CRi), or myelodysplastic syndrome (MDS) without
progression to AML. Eligible patients must be the recipient of mismatched donor
peripheral blood stem cell products. Mismatches at both antigen and allele level will
be eligible. Match must be 6 or 7 out of 8 loci (HLA A, B, C, and DRB1).

- Patient must receive any one of the following conditioning regimens: total body
radiation (single or fractionated dose)/cyclophosphamide, busulfan/ cyclophosphamide,
or fludarabine/busulfan/lymphocyte immune globulin (ATGAM/thymo).

- Patient must be ≥ 18 years and ≤ 65 years of age.

- Patient must have an ECOG performance status ≤ 2 or Karnofsky performance scale ≥ 60%
(see Appendix C).

- Patient must have CD34+ stem cells ≥ 2x106/kg (actual body weight of the recipient)
available for transplantation.

- Patient must have appropriate organ function as defined below (this criterion should
be met on screening and on the day of the first dose of brentuximab vedotin (as
assessed prior to dosing)):

- Total bilirubin ≤ 2.0 x IULN


- Serum creatinine ≤ 2.0 x IULN

- Cardiac ejection fraction > 40%

- DLCO/VA > 40%

- Women of childbearing potential and men must agree to use adequate contraception
(hormonal or barrier method of birth control, abstinence) prior to study entry and
for the duration of study participation. Should a woman become pregnant or suspect
she is pregnant while participating in this study, she must inform her treating
physician immediately. Please see Section 5.9 for contraception requirements.

- Patient must be able to understand and willing to sign an IRB approved written
informed consent document.

Exclusion Criteria:

- Patient must not have had prior exposure to brentuximab vedotin.

- Patient must not have a history of other malignancy that has not been in remission
for at least 3 years, with the exception of basal non-melanoma skin cancer which were
treated with local resection only or intraepithelial lesions or carcinoma in situ of
the cervix or prostate that has been curatively treated.

- Patient must not be receiving any other investigational agents.

- Patient must not have active CNS involvement.

- Patient must not have a history of allergic reactions attributed to compounds of
similar chemical or biologic composition to brentuximab vedotin or other agents used
in the study.

- Patients must not have had previous radiation therapy to the mediastinum or lungs.

- Patient must not have an uncontrolled inter-current illness including, but not
limited to, ongoing or active infection, symptomatic congestive heart failure,
unstable angina pectoris, cardiac arrhythmia, active pulmonary diseases, or
psychiatric illness/social situations that would limit compliance with study
requirements (this criterion should be met on screening and on the day of but prior
to first dose of brentuximab vedotin).

- Patient must not be pregnant and/or breastfeeding.

- Patient must not be known to be HIV-positive on combination antiretroviral therapies.

- Patient must not have had a previous allogeneic or syngeneic transplant. Prior
autologous transplant is allowed.

Type of Study:


Study Design:

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Outcome Measure:

MTD of brentuximab vedotin when administered with a GVHD prophylaxis regimen

Outcome Description:

Defined as the dose level immediately below the dose level at which 2 patients of a cohort (of 2 to 6 patients) experience dose-limiting toxicity; Hematologic DLT is defined as ANC < 500/mm3 for three consecutive days beyond Day +21 that was determined by the investigator to be likely related to brentuximab vedotin. Non-hematologic DLT is defined as any grade 3 or higher non-hematologic toxicity that was determined by the investigator to be possibly, probably, or definitely related to brentuximab vedotin, with the following specific exceptions: Grade 3 or 4 nausea, vomiting, diarrhea, mucositis, or fatigue thought to be associated with conditioning regimens Grade 3 rash will only be considered a DLT for patients who have received two weeks of supportive care treatment with no improvement.

Outcome Time Frame:

37 days

Safety Issue:


Principal Investigator

John DiPersio, M.D., Ph.D.

Investigator Role:

Principal Investigator

Investigator Affiliation:

Washington University School of Medicine


United States: Institutional Review Board

Study ID:




Start Date:

February 2013

Completion Date:

April 2015

Related Keywords:

  • Leukemia, Acute Myeloid
  • Leukemia, Lymphoblastic,Acute
  • Myelodysplastic Syndromes
  • Graft vs Host Disease
  • Leukemia
  • Precursor Cell Lymphoblastic Leukemia-Lymphoma
  • Leukemia, Myeloid, Acute
  • Myelodysplastic Syndromes
  • Preleukemia
  • Acute Disease



Washington University School of Medicine Saint Louis, Missouri  63110