References
- Abe K, Irie T, Uekama K. (1995). Enhanced nasal delivery of luteinizing hormone releasing hormone agonist buserelin by oleic acid solubilized and stabilized in hydroxypropyl-beta-cyclodextrin. Chem Pharm Bull 43:2232–2237.
- Bhattacharya S, Tumbalam KK. (2002). Compositions comprising cGMP PDE5 inhibitor for transdermal delivery to the erectile tissue of the penis. WO Patent 102,385, 27 December.
- Billotte A, Dunn PJ, Henry BT, Marshall PV, Woods JJ. (2003). Intranasal formulations for treating sexual disorders. US Patent Application, 2003/0158206, 21 August.
- Deveci S, Peskircioglu L, Aygün C, Tekin MI, Dirim A, Ozkardes H. (2004). Sublingual sildenafil in the treatment of erectile dysfunction: faster onset of action with less dose. Int J Urol 11:989–992.
- Donovan MD, Flynn GL, Amidon GL. (1990). Absorption of polyethylene glycols 600 through 2000: the molecular weight dependence of gastrointestinal and nasal absorption. Pharm Res 7:863–868.
- El-Rashidy R, Ronsen B, Hassan EE. (2000). Controlled release of sildenafil delivered by sublingual or buccal administration. WO Patent 54,777, 21 September.
- Elshafeey AH, Bendas ER, Mohamed OH. (2009). Intranasal microemulsion of sildenafil citrate: in vitro evaluation and in vivo pharmacokinetic study in rabbits. AAPS Pharm Sci Tech 10:361–367.
- Garcia-Celma MJ, Azemar N, Pes MA, Solans C. (1994). Solubilization of antifungal drugs in water/POE (20) sorbitan monoleate/oil systems. Int J Pharm 105:77–81.
- Hussain AA, Dittert LW. (2001). Method of administration of sildenafil to produce instantaneous response for the treatment of erectile dysfunction. US Patent 6200591, 13 March.
- Kararli TT, Needham TE, Schoenhard G, Baron DA, Schmidt RE, Katz B, Belonio B. (1992). Enhancement of nasal delivery of a renin inhibitor in the rat using emulsion formulations. Pharm Res 9:1024–1028.
- Kim CK, Ryuu SA, Park KM, Lim SL, Hwang SJ. (1996). Preparation and physiochemical characterization of phase inverted water/oil microemulsion containing cyclosporine A. Int J Pharm 147:131–134.
- Li L, Nandi I, Kim KH. (2002). Development of an ethyl laurate-based microemulsion for rapid-onset intranasal delivery of diazepam. Int J Pharm 237:77–85.
- Linn EE. (1990). Microemulsion for intradermal delivery of cetyl alcohol and octyl dimethyl PABA. Drug Dev Ind Pharm 16:899–920.
- Ozsoy Y, Tunçel T, Can A, Akev N, Birteksöz S, Gerçeker A. (2000). In vivo studies on nasal preparations of ciprofloxacin hydrochloride. Pharmazie 55:607–609.
- Ritschel WA, Adolph S, Ritschel GB, Schroeder T. (1990). Improvement of peroral absorption of cyclosporine A by microemulsions. Methods Find Exp Clin Pharmacol 12:127–134.
- Sharabi FM, Daabees TT, El-Metwally MA, Senbel AM. (2004). Comparative effects of sildenafil, phentolamine, yohimbine and l-arginine on the rabbit corpus cavernosum. Fundam Clin Pharmacol 18:187–194.
- Thevenin MA, Grossiord JL, Poelman MC. (1996). Sucrose esters/cosurfactant microemulsion systems for transdermal delivery: assessment of bicontinuous structures. Int J Pharm 137:177–186.
- Valiveti S, Agu RU, Hammell DC, Paudel KS, Earles DC, Wermeling DP, Stinchcomb AL. (2007). Intranasal absorption of delta(9)-tetrahydrocannabinol and WIN55,212-2 mesylate in rats. Eur J Pharm Biopharm 65:247–252.
- von Corswant C, Thorén P, Engström S. (1998). Triglyceride-based microemulsion for intravenous administration of sparingly soluble substances. J Pharm Sci 87:200–208.
- Walker DK, Ackland MJ, James GC, Muirhead GJ, Rance DJ, Wastall P, Wright PA. (1999). Pharmacokinetics and metabolism of sildenafil in mouse, rat, rabbit, dog and man. Xenobiotica 29:297–310.
- Xie Y, Lu W, Cao S, Jiang X, Yin M, Tang W. (2006). Preparation of bupleurum nasal spray and evaluation on its safety and efficacy. Chem Pharm Bull 54:48–53.
- Zhang Q, Jiang X, Jiang W, Lu W, Su L, Shi Z. (2004). Preparation of nimodipine-loaded microemulsion for intranasal delivery and evaluation on the targeting efficiency to the brain. Int J Pharm 275:85–96.