Adverse Drug Reaction Classification System

Pharmaceutical Information
Drug Name Istradefylline
Drug ID BADD_D02484
Description Istradefylline, or KW6002, was developed by Kyowa Hakko Kirin in Japan for the treatment of Parkinson's disease as an adjunct to standard therapy.[A184067] Unlike standard dopaminergic therapies for Parkinson's, Istradefylline targets adenosine A2A receptors in the basal ganglia.[A184067] This region of the brain is highly involved in motor control.[A184067] Istradefylline is indicated as an adjunct treatment to [levodopa] and [carbidopa] for Parkinson's disease.[L8237] This drug was first approved in Japan on 25 March 2013.[A184067] Istradefylline was granted FDA approval on 27 August 2019.[L8213]
Indications and Usage Istradefylline is indicated in adjunct to levodopa and carbidopa in the treatment of Parkinson's disease.[L8237]
Marketing Status approved; investigational
ATC Code N04CX01
DrugBank ID DB11757
KEGG ID D04641
MeSH ID C111599
PubChem ID 5311037
TTD Drug ID D0F4ZY
NDC Product Code 46016-1550; 12079-2003; 42747-604; 42747-602; 46016-1551
UNII 2GZ0LIK7T4
Synonyms istradefylline | 8-(2-(3,4-dimethoxyphenyl)ethenyl)-1,3-diethyl-3,7-dihydro-7-methyl-1H-purine-2,6-dione | KW 6002 | KW-6002
Chemical Information
Molecular Formula C20H24N4O4
CAS Registry Number 155270-99-8
SMILES CCN1C2=C(C(=O)N(C1=O)CC)N(C(=N2)C=CC3=CC(=C(C=C3)OC)OC)C
Chemical Structure
ADRs Induced by Drug
*The priority for ADR severity classification is based on FAERS assessment, followed by the most severe level in CTCAE rating. If neither is available, it will be displayed as 'Not available'.
**The 'Not Available' level is hidden by default and can be restored by clicking on the legend twice..
ADR Term ADReCS ID ADR Frequency (FAERS) ADR Severity Grade (FAERS) ADR Severity Grade (CTCAE)
Dysphemia19.19.03.005; 17.02.08.0100.001247%Not Available
Cognitive disorder19.21.02.001; 17.03.03.0030.001798%
Restless legs syndrome15.05.03.012; 17.02.07.0080.000807%Not Available
General symptom08.01.03.0210.004293%Not Available
Freezing phenomenon17.01.05.0060.010346%Not Available
Adverse event08.06.01.0100.017574%Not Available
Impulse-control disorder19.18.01.0020.001431%Not Available
Limb discomfort15.03.04.0140.000807%Not Available
Abnormal behaviour19.01.01.0010.002055%Not Available
Parkinson's disease17.01.05.0100.005503%Not Available
Adverse drug reaction08.06.01.0090.032727%Not Available
Psychotic disorder19.03.01.0020.001871%
Poor quality sleep19.02.05.005; 17.15.04.0020.000807%Not Available
Adverse reaction08.06.01.0180.007044%Not Available
Skin mass23.07.04.0140.001247%Not Available
Anal incontinence17.05.01.021; 07.01.06.0290.000807%
Impulsive behaviour19.18.01.0010.001431%Not Available
Fear of falling19.06.03.0080.001247%Not Available
Behaviour disorder19.01.01.0050.001247%Not Available
Gait inability17.02.05.069; 08.01.02.0110.002165%Not Available
Illness08.01.03.0910.002495%Not Available
Joint noise15.01.02.0120.001247%Not Available
Therapeutic product effect decreased08.06.01.0500.002055%Not Available
Therapeutic product effect incomplete08.06.01.0520.003742%Not Available
Therapy non-responder08.06.01.0630.066774%Not Available
Therapy partial responder08.06.01.0640.005100%Not Available
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