Drug ID:Drug103
Drug Name:Rifaximin
CID:6436173
DrugBank ID:DB01220
Modality:Small Molecule
Groups:approved|investigational
US Approved:YES
Other Approved:YES
Identifier: NCT00355602
Molecular Formula:C43H51N3O11
Molecular Weight:785.9 g/mol
Isomeric SMILES:C[C@H]1/C=C/C=C(\\C(=O)NC2=C(C3=C(C4=C(C(=C3O)C)O[C@@](C4=O)(O/C=C/[C@@H]([C@H]([C@H]([C@@H]([C@@H]([C@@H]([C@H]1O)C)O)C)OC(=O)C)C)OC)C)C5=C2N6C=CC(=CC6=N5)C)O)/C
Synonyms:Rifaximin; Rifaxidin; 80621-81-4; Rifacol; Rifamycin L 105; Rifaximine; Fatroximin; Rifamixin; Rifaximina; Normix
Phase 0: 4
Phase 1: 20
Phase 2: 73
Phase 3: 50
Phase 4: 32
Description:Rifaximin is a semisynthetic, rifamycin-based non-systemic antibiotic, meaning that the drug will not pass the gastrointestinal wall into the circulation as is common for other types of orally administered antibiotics. It is used to treat diarrhea caused by E. coli.

Molecular Structure

2D Molecular Structure

Knowledge Graph

dtIDCIDCompound NameGene IDGene NameSpeciesPubMed IDsAction
dt880 6436173 Rifaximin 8856 NR1I2 Homo sapiens (human) None
dt881 6436173 Rifaximin 93777907 rpoB Escherichia coli K-12 Inhibitor
dt882 6436173 Rifaximin 8856 NR1I2 Homo sapiens (human) Agonist
dt883 6436173 Rifaximin 1576 CYP3A4 Homo sapiens (human) Substrate|Inducer
dt884 6436173 Rifaximin 1557 CYP2C19 Homo sapiens (human) Inducer
dt885 6436173 Rifaximin 1558 CYP2C8 Homo sapiens (human) 11996015 Inducer
dt886 6436173 Rifaximin 8856 NR1I2 Homo sapiens (human) 22790967 [NR1I2 results in increased susceptibility to rifaximin] which results in increased expression of CD36 protein|[nr1i2 results in increased susceptibility to rifaximin] which results in increased expression of CFD mrna|[nr1i2 results in increased susceptib
dt887 6436173 Rifaximin 8856 NR1I2 Homo sapiens (human) 21599020 [rifaximin binds to and results in increased activity of NR1I2 protein] inhibits the reaction [trinitrobenzenesulfonic acid results in increased expression of TNF protein]|[rifaximin binds to and results in increased activity of NR1I2 protein] inhibits th
dt888 6436173 Rifaximin 8856 NR1I2 Homo sapiens (human) Rifaximin results in increased activity of NR1I2 protein
dt889 6436173 Rifaximin 8856 NR1I2 Homo sapiens (human) Rifaximin results in increased expression of NR1I2 mRNA

  • 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
NL-OMON25521 Microbiota targeted therapy as alternative for prednisolone and biologicals in IBD patients during the current COVID-19 threat: a prospective study addressing the safety of Budesonide in combination with rifaximin or the Crohns Disease Exclusion Diet (CDED) Not Available No Nestlé 23/08/2021 None The results of this prospective study may result … Details
NCT00355602 Antibiotics for the Treatment of Ulcerative Colitis None COMPLETED University of Dundee Colitis, Ulcerative DRUG: Cefuroxime|DRUG: Ciprofloxacin|DRUG: Clarit… Details

Disease IDDisease NameDefinitionCategoryRelated DrugsMechanism
2.0 ulcerative colitis A colitis that is predominantly confined to the mucosa located_in colon and includes characteristic ulcers, or open sores. disease of anatomical entity, gastrointestinal system disease, autoimmune disease of gastrointestinal tract; intestinal disease, inflammatory bowel disease, colitis; disease, primary immunodeficiency disease, autoimmune disease, autoimmune disease of gastrointestinal tract Mirikizumab; Olsalazine; Balsalazide; Sulfasalazine; Budesonide; Hydrocortisone acetate; Tixocortol; Kappadione; Teicoplanin; Atezolizumab; Gamolenic acid; Upadacitinib No abstract available Details

Strategy IDTherapeutic StrategySynonymsRelated DrugsMechanism
S01 Anti-inflammatory inflammatory 5-Aminosalicylates (5-ASAs); corticosteroids Crohn's disease and ulcerative colitis are the two main com… Details
S02 Immunosuppression Classic immunosuppressive drugs azathioprine; 6-mercaptopurine; methotrexate; ciclosporin-A; tacrolimus Ciclosporin-A and tacrolimus bind to specific intracellular… Details
S03 Anti-TNF agents Tumor necrosis factor infliximab; adalimumab; golimumab; certolizumab pegol TNF is produced by various immune and non-immune cells in t… Details
S04 T-cell homing and retention T-cell trafficking vedolizumab; anti-MAdCAM1 antibodies ; etrolizumab Inhibition of the interaction between α4β7 integrins on T c… Details
S07 Blockade of cytokine Cytokine signalling apremilast; roflumilast; filgotinib; tofacitinib; ABT494; ABT-874; ustekinumab; isankizumab; LY-2525623; AMG139; MEDI2079; guselkumab Various T-cell subsets, their differentiation pathways and … Details
S08 Strengthening barrier function Modulation of barrier function phosphatidylcholine (lecithin); imiquimod; mongersen Escherichia coli Nissle (EcN) is a nonpathogenic Gram-negat… Details
S11 Improveming Intestinal Microecology the intestinal microbiota antibiotics; probiotics; prebiotics; postbiotics; synbiotics; fecal microbiota transplantation (FMT) The imbalance between beneficial bacteria and harmful patho… Details

Adjunctive antibiotic therapy with rifaximin may help reduce Crohn's disease ac…

PMID: 20112064
Year: 2010
Relationship Type: Treatment Score: 6.1

AIMS: Enteric bacteria are thought to contribute to the pathogenesis of Crohn's disease, and antibiotics may be an effective therapy. This study exam…

Rifaximin: a unique gastrointestinal-selective antibiotic for enteric diseases

PMID: 19881343
Year: 2010
Relationship Type: Treatment Score: 6.1

PURPOSE OF REVIEW: Rifaximin is gaining attention for its potential activity in a multitude of gastrointestinal diseases. We review the unique pharma…

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