Long-term interferon therapy for thrombocytosis in myeloproliferative diseases. 1989

H Gisslinger, and H Ludwig, and W Linkesch, and A Chott, and E Fritz, and T Radaszkiewicz
Department of Medicine II, University of Vienna, Austria.

31 patients with thrombocytosis associated with myeloproliferative disorders were included in a prospective trial of long-term interferon therapy. 6 patients (19%) had side-effects which required withdrawal of interferon within one year. 22 patients (71%) achieved and maintained a complete response (platelet count less than 440 x 10(9)/l) for at least twelve months, with reduction or abolition of symptoms associated with thrombocytosis and a significant fall in bone-marrow megakaryocytes. At twelve months, 25 patients were randomly allocated to maintenance or withdrawal of interferon. Thrombocytosis recurred rapidly when treatment was stopped, but a second remission could be achieved by resumption of interferon therapy.

UI MeSH Term Description Entries
D007370 Interferon Type I Interferon secreted by leukocytes, fibroblasts, or lymphoblasts in response to viruses or interferon inducers other than mitogens, antigens, or allo-antigens. They include alpha- and beta-interferons (INTERFERON-ALPHA and INTERFERON-BETA). Interferons Type I,Type I Interferon,Type I Interferons,Interferon, Type I,Interferons, Type I
D008297 Male Males
D008533 Megakaryocytes Very large BONE MARROW CELLS which release mature BLOOD PLATELETS. Megakaryocyte
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009196 Myeloproliferative Disorders Conditions which cause proliferation of hemopoietically active tissue or of tissue which has embryonic hemopoietic potential. They all involve dysregulation of multipotent MYELOID PROGENITOR CELLS, most often caused by a mutation in the JAK2 PROTEIN TYROSINE KINASE. Disorder, Myeloproliferative,Disorders, Myeloproliferative,Myeloproliferative Disorder
D010976 Platelet Count The number of PLATELETS per unit volume in a sample of venous BLOOD. Blood Platelet Count,Blood Platelet Number,Platelet Number,Blood Platelet Counts,Blood Platelet Numbers,Count, Blood Platelet,Count, Platelet,Counts, Blood Platelet,Counts, Platelet,Number, Blood Platelet,Number, Platelet,Numbers, Blood Platelet,Numbers, Platelet,Platelet Count, Blood,Platelet Counts,Platelet Counts, Blood,Platelet Number, Blood,Platelet Numbers,Platelet Numbers, Blood
D011897 Random Allocation A process involving chance used in therapeutic trials or other research endeavor for allocating experimental subjects, human or animal, between treatment and control groups, or among treatment groups. It may also apply to experiments on inanimate objects. Randomization,Allocation, Random
D012008 Recurrence The return of a sign, symptom, or disease after a remission. Recrudescence,Relapse,Recrudescences,Recurrences,Relapses
D012074 Remission Induction Therapeutic act or process that initiates a response to a complete or partial remission level. Induction of Remission,Induction, Remission,Inductions, Remission,Remission Inductions
D001856 Bone Marrow Examination Removal of bone marrow and evaluation of its histologic picture. Examination, Bone Marrow,Bone Marrow Examinations,Examinations, Bone Marrow

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