Viagra Research Today is a free monthly online journal that collates and summarizes the latest research about Viagra, including details on sildenafil, erectile dysfunction, impotence, side-effects, alternatives.

Volume 5 (2008), Issue 5 (May)

1. Synthesis and Pharmacological Evaluations of Sildenafil Analogues for Treatment of Erectile Dysfunction.
   J Med Chem, 51(9): 2807-2815. [Abstract] [Full-text]
2. Effects of Chlorophytum borivilianum on sexual behaviour and sperm count in male rats.
   Phytother Res, 22(6): 796-801. [Abstract] [Full-text]
3. Sustained Soluble Guanylate Cyclase Stimulation offsets NOS Inhibition to Restore Acute Cardiac Modulation by Sildenafil.
   J Pharmacol Exp Ther. [Abstract] [Full-text]
4. Thin endometrium in assisted reproductive technology.
   Curr Opin Obstet Gynecol, 20(3): 221-8. [Abstract] [Full-text]
5. An Open-Label, Multicenter, Flexible Dose Study to Evaluate the Efficacy and Safety of Viagra (Sildenafil Citrate) in Korean Men with Erectile Dysfunction and Arterial Hypertension who are Taking Antihypertensive Agents.
   J Sex Med. [Abstract] [Full-text]
6. Daily treatment with sildenafil reverses endothelial dysfunction and oxidative stress in an animal model of insulin resistance.
   Eur Urol, 53(6): 1272-80. [Abstract] [Full-text]
7. Comparison of the effectiveness of oral sildenafil versus oxygen administration as a test for feasibility of operation for patients with secondary pulmonary arterial hypertension.
   Pediatr Cardiol, 29(3): 552-5. [Abstract] [Full-text]
8. Pulmonary Hypertension Associated with Sickle Cell Disease: Pathophysiology and Rationale for Treatment.
   Lung. [Abstract] [Full-text]
9. Isolation and identification of thiohomosildenafil and thiosildenafil in health supplements.
   J Pharm Biomed Anal, 47(2): 279-84. [Abstract] [Full-text]
10. Effects of oral treatments on exercise capacity in systemic sclerosis related pulmonary arterial hypertension: a meta-analysis of randomised controlled trials.
    Ann Rheum Dis, 67(6): 808-14. [Abstract] [Full-text]
11. The application of quantitative methods for identifying and exploring the presence of bias in systematic reviews: PDE-5 inhibitors for erectile dysfunction.
    Int J Impot Res, 20(3): 264-77. [Abstract] [Full-text]
12. Tadalafil improves oxygenation in a model of newborn pulmonary hypertension.
    Pediatr Crit Care Med, 9(3): 330-2. [Abstract] [Full-text]
13. Why a combined intracavernosal injection with trimix and oral sildenafil is reliable therapy in the ultrasonographic evaluation of erectile dysfunction.
    BJU Int. [Abstract] [Full-text]
14. Sildenafil and cardiomyocyte-specific cGMP signaling prevent cardiomyopathic changes associated with dystrophin deficiency.
    Proc Natl Acad Sci U S A, 105(19): 7028-33. [Abstract] [Full-text]
15. Histopathologically proven prevention of post-prostatectomy cavernosal fibrosis with sildenafil.
    Urol Int, 80(3): 249-52. [Abstract] [Full-text]
16. Effect of Sildenafil on Middle-Aged Sexually Active Males with No Erectile Complaints: A Randomized Placebo-Controlled Double-Blind Study.
    Eur Urol. [Abstract] [Full-text]
17. The contributions of cytochromes P450 3A4 and 3A5 to the metabolism of the phosphodiesterase type 5 inhibitors sildenafil, udenafil, and vardenafil.
    Drug Metab Dispos, 36(6): 986-90. [Abstract] [Full-text]
18. PDE5 inhibitors for cystic fibrosis: can they also enhance chloride transport? Evaluation of: Lubamba B, Lecourt H, Lebacq J, et al. Preclinical evidence that sildenafil and vardenafil activate chloride transport in cystic fibrosis. Am J Respir Crit Care Med 2008;177(5):506-15.
    Expert Opin Investig Drugs, 17(6): 965-8. [Abstract] [Full-text]
19. Sildenafil Acutely Reverses the Hypoxic Pulmonary Vasoconstriction Response of the Newborn Pig.
    Pediatr Res. [Abstract] [Full-text]
20. Excessive nitric oxide function and blood pressure regulation in patients with autonomic failure.
    Hypertension, 51(6): 1531-6. [Abstract] [Full-text]
21. Mechanisms of the relaxant effect of vardenafil in rat penile arteries.
    Eur J Pharmacol, 586(1): 283-7. [Abstract] [Full-text]
22. Drug Use, High-Risk Sex Behaviors, and Increased Risk for Recent HIV Infection among Men who Have Sex with Men in Chicago and Los Angeles.
    AIDS Behav. [Abstract] [Full-text]
23. Feasibility of dynamic 3-D color Doppler ultrasound for imaging penile vascular change in renal transplant patients with erectile dysfunction responding to sildenafil.
    Ultrasound Med Biol, 34(6): 885-91. [Abstract] [Full-text]

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