Drug ID:Drug79
Drug Name:Mercaptopurine
CID:667490
DrugBank ID:DB01033
Modality:Small Molecule
Groups:approved
US Approved:YES
Other Approved:YES
Identifier: NCT02413047, , NCT00514982, , NCT03370601
Molecular Formula:C5H4N4S
Molecular Weight:152.18 g/mol
Isomeric SMILES:C1=NC2=C(N1)C(=S)N=CN2
Synonyms:6-Mercaptopurine; mercaptopurine; 50-44-2; Purinethol; Mercapurin; 6-Thiopurine; 7H-purine-6-thiol; Mercaleukin; Leukerin; Leupurin
Phase 0: 0
Phase 1: 26
Phase 2: 90
Phase 3: 87
Phase 4: 24
Description: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. [PubChem]

Molecular Structure

2D Molecular Structure

Knowledge Graph

dtIDCIDCompound NameGene IDGene NameSpeciesPubMed IDsAction
dt665 667490 Mercaptopurine 3251 HPRT1 Homo sapiens (human) 15354273 Inhibitor
dt666 667490 Mercaptopurine 3614 IMPDH1 Homo sapiens (human) 37713619 Inhibitor
dt667 667490 Mercaptopurine 5471 PPAT Homo sapiens (human) Inhibitor
dt668 667490 Mercaptopurine 3614 IMPDH1 Homo sapiens (human) Inhibitor
dt669 667490 Mercaptopurine 3615 IMPDH2 Homo sapiens (human) Inhibitor
dt670 667490 Mercaptopurine 316 AOX1 Homo sapiens (human) Substrate
dt671 667490 Mercaptopurine 7172 TPMT Homo sapiens (human) 15354273 Substrate
dt672 667490 Mercaptopurine 7498 XDH Homo sapiens (human) 15354273 Substrate
dt673 667490 Mercaptopurine 9376 SLC22A8 Homo sapiens (human) Substrate|Inhibitor
dt674 667490 Mercaptopurine 10257 ABCC4 Homo sapiens (human) 11447229 Substrate

  • No data available

Phase Distribution
Phase Description
  • Phase 0: Exploratory trials to assess drug behavior in humans
  • Phase 1: Safety trials to determine safe dosage range
  • Phase 2: Efficacy trials to evaluate therapeutic effects
  • Phase 3: Large-scale trials to confirm efficacy and safety
  • Phase 4: Post-marketing surveillance for long-term safety and efficacy

Trial IDTitlePhaseStatusSponsorIndicationsInterventions
NCT00514982 Medical Treatment of Colitis in Patients With Hermansky-Pudlak Syndrome PHASE2 WITHDRAWN National Institute of Allergy and Infectious Diseases (NIAID) Hermanski-Pudlak Syndrome|Colitis|Cytokines|Lymph… DRUG: Mesalamine|DRUG: Infliximab|DRUG: Corticost… Details
ISRCTN95420128 Subcutaneous CT-P13 monotherapy versus combination with immunomodulation when switching from intravenous infliximab in inflammatory bowel disease A multicentre, randomised withdrawal trial PHASE4 Recruiting Kings Health Partners Crohn's disease and ulcerative colitis Digestive… The intervention is the withdrawal of immunomodul… Details
EUCTR2019-002942-19-DK NORDTREAT_The Nordic IBD treatment strategy trial a randomized controlled trial of access to a protein profile_ PHASE4 Not Recruiting Region ebro l Crohn's disease and Ulcerative colitis MedDRA ve… Trade Name: Remicade Infliximab Pharmaceutical Fo… Details
ACTRN12613001347752 A randomized controlled trial of patients with IBD attending specialist clinics comparing de novo combination allopurinol and thiopurine versus thiopurine and placebo (ie standard practice) in terms of objective and clinical outcomes at six months PHASE3|PHASE4 Recruiting Eastern Health Inflammatory Bowel Disease; Inflammatory Bowel D… De novo combination therapy with allopurinol 100m… Details
ACTRN12612001107819 Febuxostat-thiopurine combination therapy in patients with moderately severe inflammatory bowel disease (IBD): a pilot study of a novel drug combination that may influence thiopurine bioavailability PHASE1 Not Recruiting Prof Tim Florin inflammatory bowel disease; inflammatory bowel d… To use the combination of febuxostat and 6-mercap… Details
ACTRN12611000363987 The Triple A (Adjunctive Allopurinol and Azathioprine) Study: Use of Ajunctive Allopurinol in Azathioprine/6-Mercaptopurine Non-responders to Optimize 6-Thioguanine Nucleotide Production and Improve Clinical Outcomes in Patients with Inflammatory Bowel Disease (IBD). PHASE3|PHASE4 Not Recruiting The Alfred Hospital Inflammatory Bowel Disease (IBD); Inflammatory B… Eligible IBD patients will be randomly allocated … Details
NL-OMON22783 Long term hepatotoxicity of azathioprine, 6-mercaptopurine and 6-thioguanine in inflammatory bowel disease. Not Available Not Recruiting Department of Gastroenterology and Hepatology, VU University Medical Center, Amsterdam, The Netherlands Inflammatory bowel disease, azathioprine, 6-merca… 1. Liver biopsy; 2. Venapuncture; 3. Abdominal … Details
NCT02413047 Evaluate if Response to Infliximab or Adalimumab May be Regained With an Immunomodulator None TERMINATED Indiana University Inflammatory Bowel Disease|Ulcerative Colitis|Cro… DRUG: Azathioprine|DRUG: 6 mercaptopurine|DRUG: M… Details
NCT02910245 Mercaptopurine Therapy in Ulcerative Colitis PHASE3 UNKNOWN Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) Colitis, Ulcerative DRUG: Mercaptopurine (Purinethol)|DRUG: Placebo|D… Details
NCT00521950 Cost-effectiveness of TPMT Pharmacogenetics None COMPLETED ZonMw: The Netherlands Organisation for Health Research and Development Inflammatory Bowel Diseases|Crohn Disease|Ulcerat… GENETIC: TPMT genotyping; Drug: azathioprine or 6… Details
NCT03370601 Evaluation of the Clinical and Immunological Impact of Two Therapeutic Strategies in Chronic Inflammatory Diseases None TERMINATED University Hospital, Lille Inflammatory Bowel Diseases DRUG: Infliximab|DRUG: Mercaptopurine|DRUG: Azath… Details

Disease IDDisease NameDefinitionCategoryRelated DrugsMechanism
No data available

Strategy IDTherapeutic StrategySynonymsRelated DrugsMechanism
S02 Immunosuppression Classic immunosuppressive drugs azathioprine; 6-mercaptopurine; methotrexate; ciclosporin-A; tacrolimus Ciclosporin-A and tacrolimus bind to specific intracellular… Details

Synthesis of pro-prodrugs L-lysine based for 5-aminosalicylic acid and 6-mercap…

PMID: 21925255
Year: 2011
Relationship Type: Association Score: 6.1

BACKGROUND: Host-intestinal microbial interaction plays an important role in the pathogenesis of inflammatory bowel diseases (IBDs). The surface mol…

Azathioprine and mercaptopurine: lymphoma

PMID: 21648178
Year: 2011
Relationship Type: Treatment Score: 6.1

Prospective follow-up for a median of 35 months of a French cohort of 19 486 patients with inflammatory bowel disease showed a nearly 4-fold increase…

Varicella zoster meningoradiculitis in Crohn's disease treated with 6-mercaptop…

PMID: 21618366
Year: 2011
Relationship Type: Association Score: 6.1

Long term efficacy and safety of allopurinol and azathioprine or 6-mercaptopuri…

PMID: 21172265
Year: 2009
Relationship Type: Association Score: 6.1

Not found

Lower doses of 6-mercaptopurine/azathioprine bring enough clinical efficacy and…

PMID: 21172230
Year: 2008
Relationship Type: Treatment Score: 6.1

Erratum in Inflamm Bowel Dis. 2009 Sep;15(9):1438-47.

A prospective evaluation of the impact of allopurinol in pediatric and adult IB…

PMID: 21122558
Year: 2010
Relationship Type: Association Score: 6.1

BACKGROUND: Interleukin (IL)-17F, produced in IL-23R-expressing Th17 cells, is a novel member of the IL-17 cytokine family. Given the association of…

Azathioprine or 6-mercaptopurine for induction of remission in Crohn's disease

PMID: 20556747
Year: 2010
Relationship Type: Treatment Score: 6.1

Erratum in Gastroenterology. 2009 May;136(5):1844. Fernadez-Hernando, Carlos [corrected to Fernandez-Hernando, Carlos]. BACKGROUND & AIMS: Incr…

Azathioprine-induced hypersensitivity hepatitis: tolerance to 6-mercaptopurine

PMID: 20196148
Year: 2010
Relationship Type: Association Score: 6.1

Mercaptopurine-induced fever: hypersensitivity reaction in a patient with acute…

PMID: 20030482
Year: 2010
Relationship Type: Treatment Score: 6.1

The antimetabolite mercaptopurine is commonly used as part of treatment regimens for acute lymphoblastic leukemia and as treatment for inflammatory b…

Azathioprine or 6-mercaptopurine for induction of remission in Crohn's disease

PMID: 19821270
Year: 2009
Relationship Type: Association Score: 6.1

Not found

Mercaptopurine rescue after azathioprine-induced liver injury in inflammatory b…

PMID: 19709096
Year: 2010
Relationship Type: Treatment Score: 6.1

BACKGROUND: Azathioprine (AZA) liver toxicity arises in approximately 3% of inflammatory bowel disease patients and may result in treatment discontin…

Thiopurine S-methyltransferase and inosine triphosphate pyrophosphohydrolase ge…

PMID: 19214663
Year: 2009
Relationship Type: Treatment Score: 6.1

BACKGROUND: Patient information has been viewed as a key component of self-management. However, little attention has been given to methods of disse…

Azathioprine or 6-mercaptopurine for maintenance of remission in Crohn's disease

PMID: 19160175
Year: 2009
Relationship Type: Treatment Score: 6.1

Update in Cochrane Database Syst Rev. 2005;(1):CD003459. BACKGROUND: Although corticosteroids are effective for induction of remission of Crohn…

Increased dosing requirements for 6-mercaptopurine and azathioprine in inflamma…

PMID: 18266236
Year: 2008
Relationship Type: Association Score: 6.1

To investigate the basis for the LEDGF/p75 dependence of HIV-1 integrase (IN) nuclear localization and chromatin association, we used cell lines mad…

[Optimization of immunomodulatory treatment with azathioprine or 6-mercaptopuri…

PMID: 17980127
Year: 2007
Relationship Type: Treatment Score: 6.1

BACKGROUND: Inflammatory bowel disease (IBD) is proposed to result from a dysregulated mucosal immune response to the colonic flora in genetically …

Hepatotoxicity of 6-mercaptopurine (6-MP) and Azathioprine (AZA) in adult IBD p…

PMID: 17764490
Year: 2007
Relationship Type: Adverse Effect Score: 6.1

BACKGROUND: NOD2 mutations are associated with Crohn's disease (CD) in Caucasian clinic-based cohorts. Data from population-based cohorts are limite…

Squamous dysplasia of the rectum in a patient with ulcerative colitis treated w…

PMID: 17717741
Year: 2008
Relationship Type: Association Score: 6.1

PURPOSE: To evaluate the quantity and severity of bone disorders in children and adolescents with inflammatory bowel diseases (IBD) and to examine t…

Severe pulmonary toxicity after azathioprine/6-mercaptopurine initiation for th…

PMID: 17667053
Year: 2007
Relationship Type: Treatment Score: 6.1

Inflammatory bowel disease (IBD) is a chronic inflammatory disorder of the gastrointestinal tract involving aberrant activation of innate and adapti…

Effect of allopurinol on clinical outcomes in inflammatory bowel disease nonres…

PMID: 17296529
Year: 2007
Relationship Type: Association Score: 6.1

AIM: To understand the local pathophysiological alterations and gene ontology-based functional classification of colonic biopsies into inflammatory …

Showing 81-100 of 132 articles