Trapidil

Trapidil
Clinical data
Trade names	Rocornal, Avantrin, Travisco
AHFS/Drugs.com	International Drug Names
Routes of; administration	By mouth
ATC code	C01DX11 (WHO) ;
Legal status
Legal status	US: Not approved; In general: ℞ (Prescription only);
Identifiers
	IUPAC name N,N-Diethyl-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-amine;
CAS Number	15421-84-8 ;
PubChem CID	5531;
ChemSpider	5330 ;
UNII	EYG5Y6355E;
CompTox Dashboard (EPA)	DTXSID0045416 ;
ECHA InfoCard	100.035.834
Chemical and physical data
Formula	C10H15N5
Molar mass	205.265 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CCN(CC)c1cc(nc2n1ncn2)C;
	InChI InChI=1S/C10H15N5/c1-4-14(5-2)9-6-8(3)13-10-11-7-12-15(9)10/h6-7H,4-5H2,1-3H3 ; Key:GSNOZLZNQMLSKJ-UHFFFAOYSA-N ;
	(what is this?) (verify)

Trapidil is a vasodilator and an antiplatelet drug.^[1]^[2] It also acts as an antagonist of platelet-derived growth factor.^[3]

An analog was assigned the codename AR 12-456.^[4]

References

^ Büyükafşar K, Yazar A, Düşmez D, Oztürk H, Polat G, Levent A (October 2001). "Effect of trapidil, an antiplatelet and vasodilator agent on gentamicin-induced nephrotoxicity in rats". Pharmacological Research. 44 (4): 321–328. doi:10.1006/phrs.2001.0864. PMID 11592868.
^ Liu M, Sun Q, Wang Q, Wang X, Lin P, Yang M, Yan Y (March–April 2014). "Effect of trapidil in myocardial ischemia-reperfusion injury in rabbit". Indian Journal of Pharmacology. 46 (2): 207–210. doi:10.4103/0253-7613.129320. PMC 3987192. PMID 24741195.
^ Maresta A, Balducelli M, Cantini L, Casari A, Chioin R, Fabbri M, et al. (December 1994). "Trapidil (triazolopyrimidine), a platelet-derived growth factor antagonist, reduces restenosis after percutaneous transluminal coronary angioplasty. Results of the randomized, double-blind STARC study. Studio Trapidil versus Aspirin nella Restenosi Coronarica". Circulation. 90 (6): 2710–2715. doi:10.1161/01.cir.90.6.2710. PMID 7994812.
^ Hering S, Bodewei R, Schubert B, Krause EG, Wollenberger A (1985). "Trapidil and other 5-triazolo-(1, 5-alpha)-pyrimidine derivatives as calcium channel blockers in 108CC5 cells". Biomedica Biochimica Acta. 44 (5): K37–K41. PMID 2415119.

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[1] Büyükafşar K, Yazar A, Düşmez D, Oztürk H, Polat G, Levent A (October 2001). "Effect of trapidil, an antiplatelet and vasodilator agent on gentamicin-induced nephrotoxicity in rats". Pharmacological Research. 44 (4): 321–328. doi:10.1006/phrs.2001.0864. PMID 11592868.

[2] Liu M, Sun Q, Wang Q, Wang X, Lin P, Yang M, Yan Y (March–April 2014). "Effect of trapidil in myocardial ischemia-reperfusion injury in rabbit". Indian Journal of Pharmacology. 46 (2): 207–210. doi:10.4103/0253-7613.129320. PMC 3987192. PMID 24741195.

[3] Maresta A, Balducelli M, Cantini L, Casari A, Chioin R, Fabbri M, et al. (December 1994). "Trapidil (triazolopyrimidine), a platelet-derived growth factor antagonist, reduces restenosis after percutaneous transluminal coronary angioplasty. Results of the randomized, double-blind STARC study. Studio Trapidil versus Aspirin nella Restenosi Coronarica". Circulation. 90 (6): 2710–2715. doi:10.1161/01.cir.90.6.2710. PMID 7994812.

[4] Hering S, Bodewei R, Schubert B, Krause EG, Wollenberger A (1985). "Trapidil and other 5-triazolo-(1, 5-alpha)-pyrimidine derivatives as calcium channel blockers in 108CC5 cells". Biomedica Biochimica Acta. 44 (5): K37–K41. PMID 2415119.

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v t e Vasodilators used in cardiac diseases (C01D)
Nitrovasodilators	Nitroglycerin # Isosorbide dinitrate # Isosorbide mononitrate Itramin tosilate Linsidomine Molsidomine Nicorandil Pentaerythritol tetranitrate Propatylnitrate Tenitramine Trolnitrate
Quinolone vasodilators	Flosequinan^‡
Others	Benziodarone Carbocromen Cinepazet Cloridarol Dilazep Efloxate Etafenone Gapicomine Heptaminol Hexobendine Imolamine Levosimendan Nesiritide Nicorandil Oxyfedrine Pimobendan Prenylamine Serelaxin Trapidil Vericiguat
^#WHO-EM ^‡Withdrawn from market Clinical trials: ^†Phase III ^§Never to phase III

v t e Phosphodiesterase inhibitors
PDE1	MMPX SCH-51866 Vinpocetine
PDE2	BAY 60-7550 Carbazeran EHNA Oxindole PDP
PDE3	Adibendan Amrinone (inamrinone) Anagrelide Benafentrine Bucladesine Carbazeran Cilostamide Cilostazol Enoximone Ensifentrine Imazodan KMUP-1 Meribendan Milrinone Olprinone Parogrelil Pimobendan Pumafentrine Quazinone RPL-554 Siguazodan Trequinsin Vesnarinone Zardaverine
PDE4	Apremilast Arofylline Atizoram Benafentrine Catramilast CC-1088 CDP-840 CGH-2466 Cilomilast Cipamfylline Crisaborole Denbutylline Difamilast Drotaverine Ensifentrine Etazolate Filaminast Glaucine HT-0712 ICI-63197 Indimilast Irsogladine Lavamilast Lirimilast Lotamilast Luteolin Mesembrenone Mesembrine Mesopram Oglemilast Piclamilast Pumafentrine Revamilast Ro 20-1724 Roflumilast Rolipram Ronomilast RPL-554 RS-25344 Tetomilast Tofimilast YM-976 Zardaverine
PDE5	Acetildenafil Aildenafil Avanafil Beminafil Benzamidenafil Dasantafil Icariin Gisadenafil Homosildenafil Lodenafil Mirodenafil MY-5445 Nitrosoprodenafil Norcarbodenafil SCH-51866 Sildenafil Sulfoaildenafil T-0156 Tadalafil Udenafil Vardenafil
PDE7	BRL-50481
PDE9	BAY 73-6691 PF-04447943 Paraxanthine
PDE10	Balipodect Mardepodect MK-8189 Papaverine TC-E 5005 Tofisopam
PDE11	BC11-38
Non-selective	Aminophylline Caffeine Choline theophyllinate CPX Dipyridamole Doxofylline Enprofylline Ibudilast IBMX Luteolin Pentoxifylline Propentofylline Theobromine Theophylline Zaprinast
Unsorted	Diazepam Diprophylline DPCPX Furafylline Lisofylline MDL-12330A Moxaverine Oxagrelate Pentifylline Proxyphylline Quercetin Satigrel Tolafentrine Trapidil
See also: Receptor/signaling modulators