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Intra-patient Dose Escalation Study to Investigate Safety and Feasibility of Vactosertib in Treating Anemic MPN Patients

2019-10-01 07:55:15 | BioPortfolio

Summary

This study assesses the potential of using a TGFβ receptor inhibitor for the treatment of anemic patients with myeloproliferetive neoplasms. TGFβ signaling is known to be abnormally high in patients with myeloproliferative neoplasms and it is thought that abnormal TGFβ signals cause many of the problems with blood cell formation in these diseases. The study design allows all patients to receive the study drug, vactosertib. The dose of vactosertib is individualized within a pre-set range based upon its effectiveness and tolerability. A total of up to 37 patients will be treated.

Description

This is a two-tiered single arm Phase 2 trial of vactosertib (TEW-7197) for the treatment of anemia in Ph-neg MPNs. Both tiers use a rule-based, accelerated dose escalation scheme to efficiently assess the potential of vactosertib to safely and effectively treat anemic patients with Ph-neg MPNs. The first tier of this trial (Tier 1) is an intra-patient dose finding study in 12 patients that uses a low starting dose of vactosertib for all patients. For each patent, the treatment dose is escalated according to prospectively-defined rules, and a toxicity and treatment effect algorithm during the period of 16 weeks (4 treatment cycles). If pre-established efficacy and safety endpoints are met (section 5.4, section 9.1, section 11.1), then Tier 1 of the study will be followed by a Tier 2 expansion study with an additional 25 patients for a period of 24 weeks (6 treatment cycles).

Vactosertib will be administered as monotherapy and therefore patients must be off cytoreductive therapies such as interferon, ruxolitinib, hydroxyurea, DNA hypomethylating agents or other cytotoxic chemotherapy prior to enrollment for a period of at least 14 days or 5 half-lives, whichever is longer. Supportive care measures including packed red blood cell (PRBC) transfusions for HGB <7g/dL, or symptomatic anemia, will be permitted. Administration of erythropoiesis stimulating agents (ESAs), however, will not be permitted on the trial (patients recruited would have serum EPO >125 U/L above which the benefit of ESAs is not supported).

Study Design

Conditions

Myeloproliferative Neoplasm

Intervention

Vactosertib

Location

Weill Medical College of Cornell University
New York
New York
United States
10021

Status

Not yet recruiting

Source

Weill Medical College of Cornell University

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-10-01T07:55:15-0400

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