Actively Recruiting

Phase 2
Age: 18Years - 80Years
All Genders
NCT07443306

A Clinical Trial of Flonoltinib Maleate Tablets in the Treatment of JAK Inhibitor Refractory/Relapsed/Intolerant Patients With Medium to High Risk Myelofibrosis

Led by Chengdu Zenitar Biomedical Technology Co., Ltd · Updated on 2026-05-13

64

Participants Needed

2

Research Sites

106 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

This trial adopts a single arm, open label, multi center clinical trial design, with a planned enrollment of approximately 64 participants in the moderate to high risk MF trial who are refractory, relapsed, or intolerant to JAK inhibitor . Select successful trial participants and allocate flonoltinib maleate tablets based on platelet count levels during the screening period, qd,Oral administration on an empty stomach until the participants meet the withdrawal criteria.

CONDITIONS

Official Title

A Clinical Trial of Flonoltinib Maleate Tablets in the Treatment of JAK Inhibitor Refractory/Relapsed/Intolerant Patients With Medium to High Risk Myelofibrosis

Who Can Participate

Age: 18Years - 80Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Age between 18 and 80 years old
  • Diagnosed with primary myelofibrosis (PMF) per WHO 2016 criteria, or post-polycythemia vera myelofibrosis (PPV-MF) or post-thrombocytopenia myelofibrosis (PET-MF) per IWG-MRT criteria
  • Classified as intermediate-2 or high-risk by DIPSS, or intermediate-1 with hepatosplenomegaly needing treatment
  • Previously treated with JAK inhibitors and are refractory, relapsed, or intolerant
  • Expected survival longer than 24 weeks
  • ECOG performance status score of 0 to 2
  • Enlarged spleen palpable at 5 cm or more below the rib or spleen volume of >=450 cm³ by MRI/CT
  • Peripheral blood and bone marrow blasts at 10% or less
  • Within 7 days before randomization: ANC >=1.0 x10^9/L, platelet count >=100 x10^9/L, hemoglobin >60 g/L
  • Normal main organ functions within 7 days before randomization: ALT and AST <= 2.5x ULN; total bilirubin <= 2.0x ULN; serum creatinine <= 1.5x ULN or creatinine clearance >50 mL/min; INR, PT, and APTT <= 1.5x ULN
  • Able to understand and voluntarily sign informed consent
Not Eligible

You will not qualify if you...

  • Toxic reactions from previous anticancer treatments not recovered to grade 1 or below (excluding hair loss), or recent major surgery within 4 weeks
  • Allergy to the study drug or its components
  • Significant clinical or lab abnormalities affecting safety, including uncontrolled diabetes (fasting glucose >250 mg/dL), uncontrolled hypertension despite treatment, or peripheral neuropathy
  • History of congestive heart failure (NYHA grade III or above), unstable angina, heart attack, stroke, or blood clots within 6 months
  • Impaired heart function (ejection fraction <45%, congenital arrhythmia, prolonged QTcF, or arrhythmia requiring treatment)
  • Bleeding disorders or unstable clotting diseases needing anticoagulants
  • Any active infection requiring systemic treatment within 14 days before enrollment
  • Active or latent tuberculosis infections without completed preventive treatment
  • Previous splenectomy or splenic radiation within 12 months
  • Active hepatitis B or C infections unless meeting specific controlled conditions
  • Positive HIV or syphilis antibody tests
  • Epilepsy or use of psychotropic or sedative drugs during screening
  • Pregnant or breastfeeding women, or those refusing contraception during and 6 months after the trial
  • Other cancers within past 5 years except certain cured skin or carcinoma in situ cancers
  • Swallowing, absorption, or chronic diarrhea issues
  • Serious illnesses affecting safety or compliance
  • Participation in other drug or device trials within 1 month before first dose
  • Use of JAK inhibitors within 4 weeks or 5 half-lives before trial
  • Use of other MF drugs, immunomodulators, immunosuppressants, or high-dose steroids within 2 weeks or 5 half-lives before screening
  • Other factors judged unsuitable by researchers for participation

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 2 locations

1

West China Hospital Sichuan University

Chengdu, Sichuan, China

Actively Recruiting

2

Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences (IHCAMS)

Tianjin, Tianjin Municipality, China

Actively Recruiting

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Research Team

W

Wang Fangmei

CONTACT

S

Sun Liangkun

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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