Details of Drug-Drug Interaction
| Drug General Information (ID: DDITYQL721) | |||||||||
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| Drug Name | Trimethoprim | Drug Info | Memantine | Drug Info | |||||
| Drug Type | Small molecule | Small molecule | |||||||
| Therapeutic Class | Antiinfective Agents | Cholinesterase Inhibitors | |||||||
| Structure | |||||||||
| Mechanism of Trimethoprim-Memantine Interaction (Severity Level: Moderate) | |||||||||
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| Transporter inhibition Click to Show/Hide Mechanism Graph | |||||||||
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| Drug Name | Trimethoprim | Memantine | |||||||
| Mechanism | OCT2 inhibitor | OCT2 substrate | |||||||
| Key Mechanism Factor 1 | |||||||||
| Factor Name | Solute carrier family 22 member 2 |
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Structure
Sequence
MPTTVDDVLEHGGEFHFFQKQMFFLLALLSATFAPIYVGIVFLGFTPDHRCRSPGVAELSLRCGWSPAEELNYTVPGPGPAGEASPRQCRRYEVDWNQSTFDCVDPLASLDTNRSRLPLGPCRDGWVYETPGSSIVTEFNLVCANSWMLDLFQSSVNVGFFIGSMSIGYIADRFGRKLCLLTTVLINAAAGVLMAISPTYTWMLIFRLIQGLVSKAGWLIGYILITEFVGRRYRRTVGIFYQVAYTVGLLVLAGVAYALPHWRWLQFTVSLPNFFFLLYYWCIPESPRWLISQNKNAEAMRIIKHIAKKNGKSLPASLQRLRLEEETGKKLNPSFLDLVRTPQIRKHTMILMYNWFTSSVLYQGLIMHMGLAGDNIYLDFFYSALVEFPAAFMIILTIDRIGRRYPWAASNMVAGAACLASVFIPGDLQWLKIIISCLGRMGITMAYEIVCLVNAELYPTFIRNLGVHICSSMCDIGGIITPFLVYRLTNIWLELPLMVFGVLGLVAGGLVLLLPETKGKALPETIEEAENMQRPRKNKEKMIYLQVQKLDIPLN
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| Gene Name | 44836 | ||||||||
| Uniprot ID | S22A2_HUMAN | ||||||||
| KEGG Pathway | hsa:6582 | ||||||||
| Protein Family | Major facilitator (TC 2.A.1) superfamily | ||||||||
| Protein Function |
Mediates tubular uptake of organic compounds from circulation. Mediates the influx of agmatine, dopamine, noradrenaline (norepinephrine), serotonin, choline, famotidine, ranitidine, histamine, creatinine, amantadine, memantine, acriflavine, 4-[4-(dimethylamino)-styryl]-N-methylpyridinium ASP, amiloride, metformin, N-1-methylnicotinamide (NMN), tetraethylammonium (TEA), 1-methyl-4-phenylpyridinium (MPP), cimetidine, cisplatin and oxaliplatin. Cisplatin may develop a nephrotoxic action. Transport of creatinine is inhibited by fluoroquinolones such as DX-619 and LVFX. This transporter is a major determinant of the anticancer activity of oxaliplatin and may contribute to antitumor specificity.
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| Mechanism Description |
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| Recommended Action | |||||||||
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| Management | Caution and monitoring for nervous system side effects is recommended if trimethoprim is used with either amantadine or memantine. Patients should be advised to contact their physician if they experience nervous system side effects such as mental confusion and myoclonus. | ||||||||