A Study to Evaluate the Efficacy and Safety of Vismodegib in Combination With Ruxolitinib for the Treatment of Intermediate- or High-Risk Myelofibrosis (MF)



Status:Completed
Conditions:Hematology
Therapuetic Areas:Hematology
Healthy:No
Age Range:18 - Any
Updated:5/12/2018
Start Date:January 25, 2016
End Date:July 12, 2017

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A Phase IB/III, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Vismodegib in Combination With Ruxolitinib Versus Placebo and Ruxolitinib in Patients With Intermediate- or High-Risk Myelofibrosis

This multicenter, randomized, double-blind, placebo-controlled study will evaluate the
efficacy and safety of vismodegib plus (+) ruxolitinib versus placebo + ruxolitinib in
participants with intermediate- or high-risk MF. The study will be divided into 2 components.
The Phase Ib portion of the study consists of participants receiving open-label vismodegib
(150 milligrams [mg] orally [PO] once daily [QD]) + ruxolitinib (PO twice daily [BID]). A
safety assessment will be performed after the first 10 participants have been treated for 6
weeks. An analysis for efficacy and safety is planned in the first 10 participants at Week
24. There will be a hold on participant screening and enrollment during this assessment.
Another 10 participants may be enrolled, thereafter, to further assess efficacy and safety
(at Week 24) before the initiation of the Phase III randomization portion of the study.
Similarly, there will be another hold on participant screening and enrollment during this
assessment. The participants enrolled in the Phase Ib portion of the study will continue to
receive vismodegib (150 mg PO QD) + ruxolitinib (PO BID) for up to 48 weeks, if clinical
benefit is observed after 24 weeks. The Phase III randomized, double-blind portion of the
study will enroll approximately 84 participants. Participants will be randomly assigned in a
1:1 ratio (double blind) to receive either vismodegib (150 mg PO QD) + ruxolitinib (PO BID)
or placebo (PO QD) + ruxolitinib (PO BID) for up to 48 weeks.


Inclusion Criteria:

- Pathologically confirmed diagnosis of primary MF, post-polycythemia vera MF, or
post-essential thrombocythemia MF, according to the 2008 revised World Health
Organization criteria

- Intermediate-1, intermediate-2, or high-risk according to the IWG-MRT Dynamic
International Prognostic Scoring System

- Life expectancy >= 6 months

- Peripheral blood blast count of less than (<) 10%

- Palpable splenomegaly of greater than (>) 5 centimeters (cm) below the left costal
margin

- Eastern Cooperative Oncology Group performance status of 0 to 2

- Adequate hepatic and renal function

Exclusion Criteria:

- Prior treatment with a Hedgehog or Janus kinase pathway inhibitor

- Treatment with strong cytochrome P450 3A4 inhibitors/inducers within 28 days prior to
Day 1

- Prior therapy for the treatment of intermediate- or high-risk MF including
chemotherapy, interferon, thalidomide, busulfan, lenalidomide, anagrelide, or
androgens within 28 days prior to Day 1

- Prior splenectomy or splenic irradiation

- Inadequate bone marrow reserve

- Participants with any history of platelet counts of < 50,000/mccL or ANC of < 500/mL,
except during treatment for myeloproliferative neoplasm or treatment with cytotoxic
therapy for any other reason

- Planned allogeneic bone marrow transplant during the study
We found this trial at
7
sites
1331 29 Street Northwest
Calgary, Alberta T2N 4N2
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5053 Wooster Rd
Cincinnati, Ohio 45226
(513) 751-2273
Oncology Hematology Care Our more than 60 physicians and advanced practice providers throughout neighborhood offices...
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Cincinnati, OH
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Fort Myers, FL
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1515 Holcombe Boulevard
Houston, Texas 77030
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Houston, TX
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3322 West End Avenue
Nashville, Tennessee 37203
(615)329-SCRI (7274)
Sarah Cannon Research Institute Sarah Cannon Research Institute (SCRI) is a global strategic research organization...
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Nashville, TN
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1201 5th Avenue North
Saint Petersburg, Florida 33705
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Saint Petersburg, FL
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West Palm Beach, Florida 33401
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West Palm Beach, FL
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