Thiopurine

Thioguanine

The thiopurine drugs are purine antimetabolites widely used in the treatment of acute lymphoblastic leukemia, autoimmune disorders (e.g., Crohn's disease, rheumatoid arthritis), and organ transplant recipients.

Metabolism is catalyzed by S-methyltransferase.^[1]

References

↑ Sahasranaman S, Howard D, Roy S (August 2008). "Clinical pharmacology and pharmacogenetics of thiopurines". Eur. J. Clin. Pharmacol. 64 (8): 753–67. doi:10.1007/s00228-008-0478-6. PMID 18506437.

Intracellular chemotherapeutic agents / antineoplastic agents (L01)

SPs/MIs
(M phase)

Block microtubule assembly	Vinca alkaloids (Vinblastine^# Vincristine^# Vinflunine^§ Vindesine Vinorelbine)

Block microtubule disassembly	Taxanes (Cabazitaxel Docetaxel^# Larotaxel Ortataxel^† Paclitaxel^# Tesetaxel) Epothilones (Ixabepilone)

Folic acid	Dihydrofolate reductase inhibitor (Aminopterin Methotrexate^# Pemetrexed Pralatrexate) Thymidylate synthase inhibitor (Raltitrexed Pemetrexed)

Purine	Adenosine deaminase inhibitor (Pentostatin) Halogenated/ribonucleotide reductase inhibitors (Cladribine Clofarabine Fludarabine) Nelarabine Thiopurine (Thioguanine^# Mercaptopurine^#)

Pyrimidine	Thymidylate synthase inhibitor (Fluorouracil^# Capecitabine Tegafur (+gimeracil/oteracil) Carmofur Floxuridine) DNA polymerase inhibitor (Cytarabine^#) Ribonucleotide reductase inhibitor (Gemcitabine) Hypomethylating agent (Azacitidine Decitabine)

Deoxyribonucleotide	Ribonucleotide reductase inhibitor (Hydroxycarbamide)

I	Camptotheca (Camptothecin Topotecan Irinotecan Rubitecan^‡ Belotecan)

II	Podophyllum (Etoposide^# Teniposide)

II+Intercalation	Anthracyclines (Aclarubicin Daunorubicin^# Doxorubicin^# Epirubicin Idarubicin Amrubicin^† Pirarubicin Valrubicin Zorubicin) Anthracenediones (Mitoxantrone Pixantrone)

Alkylating	Nitrogen mustards: Mechlorethamine Cyclophosphamide^# (Ifosfamide Trofosfamide) Chlorambucil^# (Melphalan Prednimustine) Bendamustine Uramustine Estramustine Nitrosoureas: Carmustine Lomustine (Semustine) Fotemustine Nimustine Ranimustine Streptozocin Alkyl sulfonates: Busulfan (Mannosulfan Treosulfan) Aziridines: Carboquone ThioTEPA Triaziquone Triethylenemelamine

Platinum-based	Carboplatin Cisplatin Nedaplatin Oxaliplatin Satraplatin

Nonclassical	Hydrazines (Procarbazine^#) Triazenes (Dacarbazine^# Temozolomide) Altretamine Mitobronitol Pipobroman

Intercalation	Streptomyces (Actinomycin^# Bleomycin^# Mitomycin Plicamycin)

Other

Enzyme inhibitors	FI (Tipifarnib^§) CDK inhibitors (Alvocidib^† Seliciclib^† Palbociclib) PrI (Bortezomib Carfilzomib) PhI (Anagrelide) IMPDI (Tiazofurin^§) LI (Masoprocol) PARP inhibitor (Olaparib) HDAC (Belinostat Panobinostat Romidepsin Vorinostat) PIKI (Idelalisib)

Receptor antagonists	ERA (Atrasentan) Retinoid X receptor (Bexarotene) Sex steroid (Testolactone)

Other/ungrouped	Amsacrine Trabectedin Retinoids (Alitretinoin Tretinoin) Arsenic trioxide Asparagine depleters (Asparaginase^#/Pegaspargase) Celecoxib Demecolcine Elesclomol^§ Elsamitrucin Etoglucid Lonidamine Lucanthone Mitoguazone Mitotane Oblimersen^† Omacetaxine mepesuccinate Eribulin

Index of neoplasms and cancer

Description	Tumor suppressing and oncogenes Tumor markers Carcinogen

Disease	Neoplasms and cancer Symptoms and signs Paraneoplastic

Treatment	Radiotherapy Drugs Immunotherapy intracellular chemotherapeutics extracellular chemotherapeutics adjuvant detoxification

Specific antirheumatic products / DMARDs (M01C)

Gold preparations

Other

Index of joint

Description	Anatomy head and neck cranial arms torso and pelvis legs bursae and sheathes Physiology

Disease	Arthritis acquired back childhood soft tissue Congenital Injury Symptoms and signs eponymous orthopaedic Examination

Treatment	Procedures Drugs rheumatoid arthritis gout topical analgesics