About this trial
This is a single-arm, single-center study aims to recruit 40 participants with Essential Thrombocythemia (ET) and Polycythemia Vera (PV). Eligible participants will receive a subcutaneous injection of Peginterferon α-2b 180 mcg once a week and follow-up,and efficacy and safety will be evaluated.
Eligibility criteria
Qualifiers
Meet the 2016 WHO diagnostic criteria for ET (Essential Thrombocythemia) and PV (Polycythemia Vera)
Platelet count > 450 * 10^9/L; (2) Bone marrow biopsy shows marked megakaryocytic proliferation with increased mature megakaryocyte volume and increased nuclear lobulation. There is no significant granulocytic proliferation, left shift, or erythroid proliferation, with grade 1 fibrosis observed in a few cases; (3) Does not meet the WHO diagnostic criteria for BCR-ABL1+ CML, PV, PMF, MDS, or other myeloproliferative neoplasms; (4) JAK2, CALR, or MPL mutation positive.
PV (Polycythemia Vera) main criteria: (1) Hemoglobin > 16.5 g/dL in males, > 16 g/dL in females, or Hematocrit > 49% in males, > 48% in females, or an increase in red cell volume of 25% or more above the normal value; (2) Bone marrow biopsy shows increased cellularity inappropriate for age, with marked erythroid, granulocytic, and megakaryocytic proliferation, and the presence of mature megakaryocytes of varying sizes and morphologies; (3) JAK2 V617F mutation positive or JAK2 exon 12 mutation positive.
Disqualifiers
Previous treatment with Peginterferon α-2b.
ET patients who do not meet the criteria for cytoreductive therapy as per the 2016 Chinese Expert Consensus on Primary Thrombocythemia.
Allergy to the active ingredient, α-interferon, or any excipients of this product.
History of psychiatric illness, or allergy to interferon.
Trial design
Treatments tested in this trial
- Peginterferon α-2b injection
Treatment groups
Sponsors and collaborators
Zhenya Hong
Lead sponsor
Tongji Hospital
Sponsor institution