granisetron   Click here for help

GtoPdb Ligand ID: 2300

Synonyms: BRL 43694 | BRL-43694 | Kytril® | LY-278584 | Sancuso® | Sustol®
Approved drug
granisetron is an approved drug (FDA (1993), EMA (2012))
Compound class: Synthetic organic
Comment: There is some ambiguity in that the FDA label specifies 1-methyl-N-[(1R,3r,5S)-9-methyl-9-azabicyclo[3.3.1]non-3-yl]-1H-indazole-3-carboxamide. The closest to this in PubChem is the 1S, 5R, as shown. However, the majority of the bioactivity data is linked to the enantiomer CID 3510.
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Ligand Activity Visualisation Charts

These are box plot that provide a unique visualisation, summarising all the activity data for a ligand taken from ChEMBL and GtoPdb across multiple targets and species. Click on a plot to see the median, interquartile range, low and high data points. A value of zero indicates that no data are available. A separate chart is created for each target, and where possible the algorithm tries to merge ChEMBL and GtoPdb targets by matching them on name and UniProt accession, for each available species. However, please note that inconsistency in naming of targets may lead to data for the same target being reported across multiple charts.

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View interactive charts of activity data across species
2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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Physico-chemical Properties
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Physico-chemical Properties

Calculated molecular properties are available for small molecules and natural products (not peptides). Properties were generated using the CDK toolkit. All properties were selected to enable the prediction of the Lipinski Rule-of-Five profile or ‘druglikeness’ for each ligand. For more info on each category see the help pages.

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Hydrogen bond acceptors 4
Hydrogen bond donors 1
Rotatable bonds 3
Topological polar surface area 50.16
Molecular weight 312.2
XLogP 2.61
No. Lipinski's rules broken 0
SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

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Canonical SMILES CN1C2CCCC1CC(C2)NC(=O)c1nn(c2c1cccc2)C
Isomeric SMILES CN1[C@@H]2CCC[C@H]1CC(C2)NC(=O)c1nn(c2c1cccc2)C
InChI InChI=1S/C18H24N4O/c1-21-13-6-5-7-14(21)11-12(10-13)19-18(23)17-15-8-3-4-9-16(15)22(2)20-17/h3-4,8-9,12-14H,5-7,10-11H2,1-2H3,(H,19,23)/t12?,13-,14+
InChI Key MFWNKCLOYSRHCJ-AGUYFDCRSA-N
No information available.
Summary of Clinical Use Click here for help
This antiemetic and antinauseant drug is used to prevent nausea and vomiting in cancer patients receiving chemotherapy. It may be administered orally (Kytril®) or via transdermal patch (Sancuso®). An extended-release injectable formulation (Sustol®) is also available.
Mechanism Of Action and Pharmacodynamic Effects Click here for help
Granisetron is a selective 5-HT3 serotonin receptor antagonist. Serotonin released as a result of chemotherapy, is thought to stimulate the vagal and splanchnic nerve receptors that project to the medullary vomiting center, and the 5-HT3 receptors in the area postrema, and that this initiates the vomiting reflex. Antagonising the serotonin effect on the 5-HT3 receptors therefore reduces nausea and vomiting.