ClinicalTrials.Veeva

Menu

Myelofibrosis and Essential Thrombocythemia Observational Study (MOST)

Incyte logo

Incyte

Status

Completed

Conditions

MPN (Myeloproliferative Neoplasms)

Study type

Observational

Funder types

Industry

Identifiers

NCT02953704
INCB-MA-MF-401

Details and patient eligibility

About

The purpose of this prospective, longitudinal, noninterventional study is to describe clinical characteristics, evolution of disease burden, and treatment patterns in patients with select subcategories of essential thrombocythemia (ET) or myelofibrosis (MF).

Enrollment

1,469 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • MF cohort: Diagnosis of MF and low-risk using DIPSS risk categorization OR intermediate-1 risk by DIPSS by reason of age alone.
  • ET cohort: Diagnosis of ET and age ≥ 60 years OR history of thromboembolic events OR currently receiving ET-directed therapy (eg, hydroxyurea, anagrelide, interferon, busulfan, ruxolitinib, etc).
  • Willing and able to provide written informed consent.
  • Willing and able to complete patient assessment questionnaires either alone or with minimal assistance from a caregiver and/or trained site personnel.
  • Under the supervision of a physician for the current care of MF or ET.

Exclusion criteria

  • Individuals who are participating in blinded investigational drug studies.
  • Individuals who are participating in Incyte investigational/interventional drug trials (company- or investigator-sponsored studies) until they have completed the 30-day end of study visit.
  • Life expectancy ≤ 6 months.
  • Diagnosis of secondary acute myeloid leukemia, myelodysplastic syndrome, chronic myelogenous leukemia, or secondary thrombocytosis.

Trial design

1,469 participants in 2 patient groups

Myelofibrosis Cohort
Description:
Patients will be categorized as low-risk using Dynamic International Prognostic Scoring System (DIPSS) risk OR intermediate-1 risk by DIPSS by reason of age alone.
Essential Thrombocythemia Cohort
Description:
Patients will be age ≥ 60 years OR have history of thromboembolic events OR currently receiving ET-directed therapy.

Trial contacts and locations

116

Loading...

Data sourced from clinicaltrials.gov

Clinical trials

Find clinical trialsTrials by location
© Copyright 2026 Veeva Systems