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NCT00514982 Medical Treatment of Colitis in Patients With Hermansky-Pudlak Syndrome PHASE2 WITHDRAWN National Institute of Allergy and Infectious Diseases (NIAID) Hermanski-Pudlak Syndrome|Colitis|Cytokines|Lymph… DRUG: Mesalamine|DRUG: Infliximab|DRUG: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

PACSIN2 as a modulator of autophagy and mercaptopurine cytotoxicity: mechanisms…

PMID: 36596605
Year: 2023
Relationship Type: Mechanism Score: 6.5

PACSIN2 variants are associated with gastrointestinal effects of thiopurines and thiopurine methyltransferase activity through an uncharacterized mec…

Anti-inflammation and anti-aging mechanisms of mercaptopurine in vivo and in vi…

PMID: 36442232
Year: 2023
Relationship Type: Treatment Score: 6.5

Skin is the biggest organ of the human body, which easily gets irritated by exposure to the sun. Skin photoaging and acute photodamage are caused by …

Pancreatitis associated with azathioprine and 6-mercaptopurine use in Crohn's d…

PMID: 35401955
Year: 2020
Relationship Type: Treatment Score: 6.5

BACKGROUND: Our objective was to provide consensus recommendations on the optimal management of the immune-mediated inflammatory diseases (IMIDs) se…

Limited Impact of 6-Mercaptopurine on Inflammation-Induced Chemokines Expressio…

PMID: 33864170
Year: 2021
Relationship Type: Association Score: 6.5

OBJECTIVES: The aim of the study was to review the evidence regarding the clinical use and value of fecal calprotectin (FC) measurements in differen…

Allopurinol to Prevent Mercaptopurine Adverse Effects in Children and Young Adu…

PMID: 33750748
Year: 2021
Relationship Type: Treatment Score: 6.5

Mercaptopurine (6MP) is used to treat acute lymphoblastic leukemia (ALL) and is metabolized by hypoxanthine guanine phosphoribosal transferase to for…

Full Potential of 6-Mercaptopurine in IBD May Remain Untapped

PMID: 32740082
Year: 2020
Relationship Type: Association Score: 6.5

Comment on Dig Dis Sci. 2020 Nov;65(11):3287-3296.

Adherence to Azathioprine/6-Mercaptopurine in Children and Adolescents with Inf…

PMID: 32185153
Year: 2020
Relationship Type: Treatment Score: 6.5

BACKGROUND: No conclusive treatment is available for irritable bowel disease (IBD). Adherence to a diet low in fermentable oligosaccharides, disacch…

Determination of azathioprine/6-mercaptopurine metabolites in dried blood spots…

PMID: 31685266
Year: 2020
Relationship Type: Association Score: 6.5

Comment in Aliment Pharmacol Ther. 2019 Nov;50(10):1137-1138. Aliment Pharmacol Ther. 2020 Feb;51(3):405. BACKGROUND: Obesity is associated …

Determination of 6-thioguanine and 6-methylmercaptopurine in dried blood spots …

PMID: 31449774
Year: 2019
Relationship Type: Treatment Score: 6.5

BACKGROUND: Therapeutic drug monitoring of azathioprine metabolites is required for pharmacotherapy individualisation in patients with inflammatory b…

Azathioprine and 6-mercaptopurine for maintenance of surgically-induced remissi…

PMID: 31425621
Year: 2019
Relationship Type: Treatment Score: 6.5

G protein-coupled receptor (GPR) 40 is a receptor for long-chain free fatty acids that enhances glucagon-like peptide (GLP)-2 production in intestin…

Mercaptopurine and Metabolites in Breast Milk

PMID: 31414890
Year: 2020
Relationship Type: Association Score: 6.5

A 35-year-old pregnant woman visited our outpatient clinical questioning the safety of once daily 50 mg mercaptopurine (MP) during pregnancy and lact…

Emerging role of NUDT15 polymorphisms in 6-mercaptopurine metabolism and dose r…

PMID: 28963908
Year: 2017
Relationship Type: Adverse Effect Score: 6.3

Despite more than 80% long term survival in ALL, morbidity due to drug related myelotoxicity remains high. Germline variants of thiopurine metabolizi…

[Research advances in pharmacogenomics of mercaptopurine]

PMID: 28899477
Year: 2017
Relationship Type: Treatment Score: 6.3

Mercaptopurine is a common chemotherapeutic drug and immunosuppressive agent and plays an important role in the treatment of acute lymphoblastic leuk…

Safety of azathioprine and 6-mercaptopurine in patients with inflammatory bowel…

PMID: 28406092
Year: 2017
Relationship Type: Treatment Score: 6.3

Patients with inflammatory bowel disease [IBD] may develop, similarly to individuals from general population, rare cases of human papilloma virus […

The glutathione transferase Mu null genotype leads to lower 6-MMPR levels in pa…

PMID: 28045129
Year: 2018
Relationship Type: Association Score: 6.3

The conversion of azathioprine (AZA) to mercaptopurine (MP) is mediated by glutathione transferase Mu1 (GSTM1), alpha1 (GSTA1) and alpha2 (GSTA2). We…

NK cells are biologic and biochemical targets of 6-mercaptopurine in Crohn's di…

PMID: 28011186
Year: 2017
Relationship Type: Treatment Score: 6.3

OBJECTIVE: The aim of the study was to investigate the course of fatigue in a conventional inflammatory bowel disease treatment setting. MATERIALS A…

6-methylmercaptopurine-induced leukocytopenia during thiopurine therapy in infl…

PMID: 27859568
Year: 2017
Relationship Type: Treatment Score: 6.3

BACKGROUND AND AIM: Thiopurines have a favorable benefit-risk ratio in the treatment of inflammatory bowel disease. A feared adverse event of thiopur…

Mercaptopurine and inflammatory bowel disease: the other thiopurine

PMID: 27809554
Year: 2017
Relationship Type: Treatment Score: 6.3

BACKGROUND: Data about use and effectiveness of mercaptopurine in inflammatory bowel disease are relatively limited. AIMS: To assess the possible the…

Reassuring results on birth outcomes in children fathered by men treated with a…

PMID: 27456154
Year: 2017
Relationship Type: Mechanism Score: 6.3

Inflammatory bowel disease (IBD) arises when intestinal immune homeostasis is broken, the maintenance of such homeostasis is principally controlled …

Clinical Value of Mercaptopurine After Failing Azathioprine Therapy in Patients…

PMID: 27158876
Year: 2016
Relationship Type: Treatment Score: 6.3

BACKGROUND: Thiopurines have been widely accepted as immunosuppressive therapy in inflammatory bowel disease. However, many patients have to disconti…

Showing 41-60 of 132 articles