Phase 2 Study of Ruxolitinib Versus Anagrelide in Subjects With Essential Thrombocythemia Who Are Resistant to or Intolerant of Hydroxyurea (RESET-272)

Status: Active


The purpose of this study is to evaluate the efficacy and safety of ruxolitinib versus anagrelide in subjects with essential thrombocythemia who are resistant to or intolerant of hydroxyurea.

Eligibility Criteria

Inclusion Criteria

  • Diagnosis of essential thrombocythemia according to revised World Health Organization (WHO) 2016 criteria.
  • Resistant to or intolerant of hydroxyurea, that is, fulfilling at least 1 of the following criteria:
  • Platelet count > 600 × 10^9/L after 3 months of at least 2 g/day of hydroxyurea (2.5 g/day in subjects with a body weight over 80 kg) OR at the subject's maximally tolerated dose if that dose is < 2 g/day.
  • Platelet count > 400 × 10^9/L and WBC count < 2.5 × 10^9/L or hemoglobin < 10 g/dL at any dose of hydroxyurea.
  • Presence of leg ulcers or other unacceptable mucocutaneous manifestations at any dose of hydroxyurea.
  • Hydroxyurea-related fever.
  • Platelet count > 650 × 10^9/L at screening.
  • WBC > 11.0 × 10^9/L at screening.

Exclusion Criteria

  • Subjects previously treated with anagrelide or JAK inhibitors.
  • Inadequate liver function at screening and Day 1 (before drug administration) as demonstrated by:
  • Total bilirubin > 1.5 × upper limit of normal (ULN)
  • Aspartate aminotransferase or alanine aminotransferase > 1.5 × ULN
  • Hepatocellular disease (eg, cirrhosis)
  • Inadequate renal function at screening as demonstrated by creatinine clearance < 40 mL/min calculated by Cockcroft-Gault equation.

Locations & Contacts


Los Angeles
UCLA / Jonsson Comprehensive Cancer Center
Status: Active
Contact: Bruck Habtemariam
Phone: 310-794-0242


Beth Israel Deaconess Medical Center
Status: Active
Name Not Available
Massachusetts General Hospital Cancer Center
Status: Active
Name Not Available

New York

New York
NYP / Columbia University Medical Center / Herbert Irving Comprehensive Cancer Center
Status: Active
Name Not Available


Salt Lake City
Huntsman Cancer Institute / University of Utah
Status: Temporarily closed to accrual
Name Not Available

Trial Phase & Type

Trial Phase

Phase II

Trial Type


Lead Organization

Lead Organization
Incyte Corporation

Trial IDs

Primary ID INCB 18424-272 (RESET-272)
Secondary IDs NCI-2017-00828, INCB 18424-272 ID NCT03123588