Sildenafil
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Pronunciation | /sɪlˈdɛnəfɪl/ sil-DEN-ə-fil |
Trade names | Viagra, Revatio, others |
AHFS/Drugs.com | Monograph |
MedlinePlus | a699015 |
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Routes of administration | By mouth (tablets), intravenous |
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Pharmacokinetic data | |
Bioavailability | 41% (mean)[7] |
Protein binding | ~96% |
Metabolism | Liver: CYP3A4 (major route), CYP2C9 (minor route) |
Metabolites | N-desmethylsildenafil (~50% potency for PDE5) |
Onset of action | 20 minutes |
Elimination half-life | 3–4 hours |
Excretion | Feces (~80%), urine (~13%)[6] |
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ECHA InfoCard |
100.122.676 ![]() |
Chemical and physical data | |
Formula | C22H30N6O4S |
Molar mass | 474.58 g·mol−1 |
3D model (JSmol) | |
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Sildenafil (ing-gú: Sildenafil, Viagra; hàn-gú: 西地那非, 威而鋼) sī iōng Viagra tíng-tíng ê phín-pâi lâi siau-siū, sī tsı̽t-tsióng iōng-teh tī-liâu khí-pu̍t kong-lêng chiòng-gāi hām Hì tōng-me̍h ko-ap ê io̽h-bu̽t.[6][8] Bo̽k-tsiân koh bô-tshing-tshó Sildenafil m̄-tsai tuì tī-liâu lú-sìng sìng-kong-lîng ê tsiong-ài kám ū-hāu.[8] kháu-hok hi̍k-tsiá tsīng-me̽h tsù-siā .[8] İo̽h-hāu khai-sí tsok-iōng thong-siông teh 20 hun-tsing tsi-lāi, ē-tàng tshî-siok tòng-kàu 2 tiám-tsing kú.[8]
Tsù-kái[siu-kái | kái goân-sí-bé]
- ↑ "Sildenafil Use During Pregnancy". Drugs.com. 7 October 2019. 6 October 2020 khòaⁿ--ê.
- ↑ "Viagra EPAR". European Medicines Agency. 6 October 2020 khòaⁿ--ê.
- ↑ "Revatio EPAR". European Medicines Agency. 6 October 2020 khòaⁿ--ê.
- ↑ "Viagra 25mg film-coated tablets - Summary of Product Characteristics (SmPC)". (emc). 7 August 2020. 6 October 2020 khòaⁿ--ê.
- ↑ "Viagra Connect 50 mg film-coated tablets - Summary of Product Characteristics (SmPC)". (emc). 5 December 2017. 6 October 2020 khòaⁿ--ê.
- ↑ 6.0 6.1 6.2 "Viagra- sildenafil citrate tablet, film coated". DailyMed. 6 October 2020 khòaⁿ--ê.
- ↑ Nichols DJ, Muirhead GJ, Harness JA (6 March 2002). "Pharmacokinetics of sildenafil after single oral doses in healthy male subjects: absolute bioavailability, food effects and dose proportionality". British Journal of Clinical Pharmacology. 53 (Suppl 1): 5S–12S. doi:10.1046/j.0306-5251.2001.00027.x. PMC 1874258
. PMID 11879254.
- ↑ 8.0 8.1 8.2 8.3 "Sildenafil Citrate". The American Society of Health-System Pharmacists. 1 December 2014 khòaⁿ--ê.
Tsham-ua̽t[siu-kái | kái goân-sí-bé]
- Tāi-sè-chì pho·-sat liām-hu̍t oân-thong-chiong (hàn-gí: 大勢至菩薩念佛圓通章)
- Kṣitigarbha bodhisattva pūrvapraṇidhāna sūtra (Kṣitigarbha sūtra; hoân-gí: क्षितिगर्भ बोधिसत्त्व पूर्वप्रणिधान सूत्र; hàn-gí: 地藏菩薩本願經)
- 095-hêng he̍k chiâm-théng (095-hîng hı̽k tsiâm-thíng/Type 095 submarine)
- Thài-iông o͘-tiám (Thài-iông oo-tiám/Sunspot/Thài-iông oo-tsí)
- Jī-ióng hòa-thài (Jī-ióng huà-thài/Titanium dioxide/E171)
- Neuralink
- Hibiscus syriacus (hàn-gú: Bo̍k-kīn; ha̍k-miâ: Hibiscus syriacus)
- Balaeniceps rex (Kîng-thâu kuàn/Shoebill/Ê-tshuì tsiáu)
- Die Welt
- F-35 siám-tiān II chiàn-tàu-ki (F-35 siám-tēn II sèn-tàu ki/Lockheed Martin F-35 Lightning II)
- Sò͘-jī tiān-tâi (Sòo-jī tēn-tâi/Numbers station)
- Nosaka Akiyuki (野坂昭如)
- Umberto Eco
- Muî-kuì chi miâ (Muî-kuì tsi miâ/The Name of the Rose/Il nome della rosa)
- Muî-kuì chi miâ (tiān-iáⁿ) (Muî-kuì tsi miâ (tēn-iáñ)/The Name of the Rose (film))
- Iván Guzmán de Rojas
- Al-Shabaab (Somalia) (Al-Shabaab (militant group))
- Thê-ô͘ (thê-ôo/Pelican/hái-gô)
- Jin-kip chhàng-chuí-kàm (Jin-kip tshàng-tsuí-kàm/Jin-class submarine)
- Planet Labs
- Hông-ka kok-chè sū-bū gián-kiù-só͘ (hông-ka kok-tsè sū-bū gián-kiù-sóo/Chatham House)
- UP Special
- Moscow basmanny koān hoat-īⁿ (Moscow basmanny kuān huat-īñ/Басманный районный суд города Москвы)
- Basmanny su-hoat (Basmanny su-huat/Басманное правосудие)
Guā-pōo lên-ket[siu-kái | kái goân-sí-bé]
- "Sildenafil". Drug Information Portal. U.S. National Library of Medicine. (Eng-gí)
- "Sildenafil citrate". Drug Information Portal. U.S. National Library of Medicine. (Eng-gí)
- Viagra at The Periodic Table of Videos (University of Nottingham) (Eng-gí)
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