PharmaKB logo
Company Reports
Company Reports
Drug Reports
Drug Reports
Disease Reports
Disease Reports
AboutPricing
Drug ReportsMethylnaltrexone
Relistor(methylnaltrexone)
Methylnaltrexone, Relistor (methylnaltrexone) is a small molecule pharmaceutical. Methylnaltrexone was first approved as Relistor on 2008-04-24. It is used to treat constipation in the USA. It has been approved in Europe to treat constipation and opioid-related disorders. The pharmaceutical is active against mu-type opioid receptor. In addition, it is known to target kappa-type opioid receptor and delta-type opioid receptor.
Download report
Favorite
Events Timeline
Commercial
Clinical
Drug
Target
Variants
Financial
Trends
Safety
Events Timeline
5D
1M
3M
6M
YTD
1Y
2Y
5Y
Max
Events
FDA approval date
EMA approval date
Patent expiration date
Study first post date
Last update post date
Start date
Primary completion date
Completion date
Results first post date
Plot placeholder
Mock data
Subscribe for the real data
Commercial
Therapeutic Areas
Therapeutic Area
MeSH
signs and symptoms pathological conditionsD013568
chemically-induced disordersD064419
mental disordersD001523
Trade Name
FDA
EMA
Methylnaltrexone, Relistor
Drug Products
FDA
EMA
New Drug Application (NDA)
New Drug Application (NDA)
Abbreviated New Drug Application (ANDA)
Abbreviated New Drug Application (ANDA)
Methylnaltrexone bromide
Tradename
Company
Number
Date
Products
RELISTORSalix PharmaceuticalsN-208271 RX2016-07-19
1 products, RLD, RS
RELISTORSalix PharmaceuticalsN-021964 RX2008-04-24
3 products, RLD, RS
Labels
FDA
EMA
Brand Name
Status
Last Update
relistorNew Drug Application2024-05-14
Indications
FDA
EMA
Indication
Ontology
MeSH
ICD-10
constipationD003248K59.0
Agency Specific
FDA
EMA
No data
Patent Expiration
Patent
Expires
Flag
FDA Information
Methylnaltrexone Bromide, Relistor, Salix
85242762031-03-10DP
89566512031-03-10DP
93144612031-03-10DP
103074172031-03-10DP
103765052031-03-10DP
84206632029-09-30U-1185
91801252029-09-30DPU-1185
94924452029-09-30DPU-1185
97243432029-09-30DPU-1185
Methylnaltrexone Bromide, Relistor, Salix Pharms
82474252030-12-31U-1185
88224902029-09-30DPU-1185
85520252024-04-08DP
96690962024-04-08DP
103765842024-04-08DPU-1185
ATC Codes
A: Alimentary tract and metabolism drugs
A06: Drugs for constipation
A06A: Drugs for constipation
A06AH: Peripheral opioid receptor antagonists
A06AH01: Methylnaltrexone bromide
HCPCS
Code
Description
J2212
Injection, methylnaltrexone, 0.1 mg
Clinical
Clinical Trials
59 clinical trials
View more details
Plot placeholder
Mock data
Subscribe for the real data
Indications Phases 4
Indication
MeSH
Ontology
ICD-10
Ph 1
Ph 2
Ph 3
Ph 4
Other
Total
ConstipationD003248K59.0263112
Opioid-induced constipationD000079689253111
Indications Phases 3
Indication
MeSH
Ontology
ICD-10
Ph 1
Ph 2
Ph 3
Ph 4
Other
Total
IleusD045823K56.7123
Pancreatic neoplasmsD010190EFO_0003860C25122
Intestinal diseasesD007410K63.9112
Ventral herniaD006555EFO_1001866K4311
HerniaD006547K40-K4611
Indications Phases 2
Indication
MeSH
Ontology
ICD-10
Ph 1
Ph 2
Ph 3
Ph 4
Other
Total
Healthy volunteers/patients415
Gastrointestinal diseasesD00576711
Indications Phases 1
Indication
MeSH
Ontology
ICD-10
Ph 1
Ph 2
Ph 3
Ph 4
Other
Total
Liver diseasesD008107EFO_0001421K70-K7711
Renal insufficiencyD051437N1911
Indications Without Phase
No data
Epidemiology
Epidemiological information for investigational and approved indications
View more details
Drug
General
Drug common nameMethylnaltrexone
INNmethylnaltrexone bromide
Description
Methylnaltrexone is a member of phenanthrenes.
Classification
Small molecule
Drug classnarcotic agonists/antagonists (normorphine type)
Image (chem structure or protein)Loading
Structure (InChI/SMILES or Protein Sequence)
C[N+]1(CC2CC2)CC[C@]23c4c5ccc(O)c4O[C@H]2C(=O)CC[C@@]3(O)[C@H]1C5
Identifiers
PDB
CAS-ID83387-25-1
RxCUI
ChEMBL IDCHEMBL1186579
ChEBI ID
PubChem CID5361918
DrugBankDB06800
UNII IDRFO6IL3D3M (ChemIDplus, GSRS)
Target
Agency Approved
OPRM1
OPRM1
Organism
Homo sapiens
Gene name
OPRM1
Gene synonyms
MOR1
NCBI Gene ID
Protein name
mu-type opioid receptor
Protein synonyms
hMOP, MOP, Mu opiate receptor, Mu opioid receptor, mu opioid receptor hMOR-1a
Uniprot ID
Mouse ortholog
Oprm1 (18390)
mu-type opioid receptor (Q9R1M0)
Alternate
OPRK1
OPRK1
OPRD1
OPRD1
Organism
Homo sapiens
Gene name
OPRK1
Gene synonyms
OPRK
NCBI Gene ID
Protein name
kappa-type opioid receptor
Protein synonyms
kappa opioid receptor, Opiate receptor, kappa-1
Uniprot ID
Mouse ortholog
Oprk1 (18387)
kappa-type opioid receptor (P33534)
Variants
No data
Financial
No data
Trends
PubMed Central
Top Terms for Disease or Syndrome:
Plot placeholder
Mock data
Subscribe for the real data
Additional graphs summarizing 904 documents
View more details
Safety
Black-box Warning
No Black-box warning
Adverse Events
Top Adverse Reactions
Plot placeholder
Mock data
Subscribe for the real data
1,069 adverse events reported
View more details
© 2020-2025 Collaborative Drug Discovery Inc. (CDD) | Terms of Use