[Hemolysis after combined azathioprine and allopurinol therapy]. 1979

J Zazgornik, and K Hruby, and P Schmidt, and H Kopsa, and P Pils

In a 37 year old renal transplant woman haemolytic anaemia was observed in the course of a combined azathioprine-allopurinol therapy. Azathioprine is converted to 6-mercaptopurine, which then catalyzed by xanthine oxidase is oxidized to 6-thiouric acid. When allopurinol and azathioprine are administered simultaneously, high 6-mercaptopurine concentrations in plasma may be expected because of inhibition of xanthine oxidase activity by allopurinol. We assume that elevated plasma 6-mercaptopurine concentration could possibly be responsible for haemolytic anaemia in this renal transplant patient.

UI MeSH Term Description Entries
D004359 Drug Therapy, Combination Therapy with two or more separate preparations given for a combined effect. Combination Chemotherapy,Polychemotherapy,Chemotherapy, Combination,Combination Drug Therapy,Drug Polytherapy,Therapy, Combination Drug,Chemotherapies, Combination,Combination Chemotherapies,Combination Drug Therapies,Drug Polytherapies,Drug Therapies, Combination,Polychemotherapies,Polytherapies, Drug,Polytherapy, Drug,Therapies, Combination Drug
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000493 Allopurinol A XANTHINE OXIDASE inhibitor that decreases URIC ACID production. It also acts as an antimetabolite on some simpler organisms. Allohexal,Allohexan,Alloprin,Allopurin,Allorin,Allpargin,Allural,Apulonga,Apurin,Atisuril,Bleminol,Caplenal,Capurate,Cellidrin,Embarin,Foligan,Hamarin,Jenapurinol,Lopurin,Lysuron,Milurit,Milurite,Novopurol,Pan Quimica,Progout,Pureduct,Purinol,Remid,Rimapurinol,Roucol,Suspendol,Tipuric,Uribenz,Uridocid,Uripurinol,Urosin,Urtias,Xanthomax,Xanturic,Zygout,Zyloprim,Zyloric
D000743 Anemia, Hemolytic A condition of inadequate circulating red blood cells (ANEMIA) or insufficient HEMOGLOBIN due to premature destruction of red blood cells (ERYTHROCYTES). Anemia, Hemolytic, Acquired,Anemia, Microangiopathic,Haemolytic Anaemia,Hemolytic Anemia,Hemolytic Anemia, Acquired,Microangiopathic Hemolytic Anemia,Acquired Hemolytic Anemia,Anaemia, Haemolytic,Anemia, Acquired Hemolytic,Anemia, Microangiopathic Hemolytic,Haemolytic Anaemias,Hemolytic Anemia, Microangiopathic,Microangiopathic Anemia,Microangiopathic Hemolytic Anemias
D001379 Azathioprine An immunosuppressive agent used in combination with cyclophosphamide and hydroxychloroquine in the treatment of rheumatoid arthritis. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), this substance has been listed as a known carcinogen. (Merck Index, 11th ed) Azathioprine Sodium,Azathioprine Sodium Salt,Azathioprine Sulfate,Azothioprine,Immuran,Imuran,Imurel,Sodium, Azathioprine
D014184 Transplantation, Homologous Transplantation between individuals of the same species. Usually refers to genetically disparate individuals in contradistinction to isogeneic transplantation for genetically identical individuals. Transplantation, Allogeneic,Allogeneic Grafting,Allogeneic Transplantation,Allografting,Homografting,Homologous Transplantation,Grafting, Allogeneic
D015122 Mercaptopurine An antimetabolite antineoplastic agent with immunosuppressant properties. It interferes with nucleic acid synthesis by inhibiting purine metabolism and is used, usually in combination with other drugs, in the treatment of or in remission maintenance programs for leukemia. 6-Mercaptopurine,1,7-Dihydro-6H-purine-6-thione,6-Mercaptopurine Monohydrate,6-Thiohypoxanthine,6-Thiopurine,6H-Purine-6-thione, 1,7-dihydro-,BW 57-323H,Leupurin,Mecaptopurine Anhydrous,Mercaptopurina Wellcome,Puri-Nethol,Purimethol,Purinethol,6 Mercaptopurine,6 Mercaptopurine Monohydrate,6 Thiohypoxanthine,6 Thiopurine,BW 57 323H,BW 57323H
D016030 Kidney Transplantation The transference of a kidney from one human or animal to another. Grafting, Kidney,Renal Transplantation,Transplantation, Kidney,Transplantation, Renal,Kidney Grafting,Kidney Transplantations,Renal Transplantations,Transplantations, Kidney,Transplantations, Renal

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