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 3 (2006), Issue 2 (February)

1. Intravenous sildenafil as an effective treatment of pulmonary hypertensive crises during acute intestinal malabsorption.
   Cardiol Young, 16(1): 84-6. [Abstract] [Full-text]
2. Subcellular localization and regulation of type-1C and type-5 phosphodiesterases.
   Biochem Biophys Res Commun, 341(3): 837-46. [Abstract] [Full-text]
3. Cardiovascular risk among men seeking help for erectile dysfunction.
   Ann Epidemiol, 16(2): 85-90. [Abstract] [Full-text]
4. Comparison of efficacy of sildenafil-only, sildenafil plus topical EMLA cream, and topical EMLA-cream-only in treatment of premature ejaculation.
   Urology, 67(2): 388-91. [Abstract] [Full-text]
5. Effect of sildenafil on gastric emptying in healthy adults.
   J Gastroenterol Hepatol, 21(1): 222-6. [Abstract] [Full-text]
6. Treatment with phosphodiesterase inhibitors type III and V: milrinone and sildenafil is an effective combination during thromboxane-induced acute pulmonary hypertension.
   Br J Anaesth, 96(3): 317-22. [Abstract] [Full-text]
7. Role of nitric oxide in the relaxation elicited by sildenafil in penile resistance arteries.
   J Urol, 175(3): 1164-70. [Abstract] [Full-text]
8. Self-esteem, confidence and relationship satisfaction of men with erectile dysfunction treated with sildenafil citrate: a multicenter, randomized, parallel group, double-blind, placebo controlled study in the United States.
   J Urol, 175(3): 1058-62. [Abstract] [Full-text]
9. Effects of long-term vardenafil treatment on the development of fibrotic plaques in a rat model of Peyronie's disease.
   BJU Int, 97(3): 625-33. [Abstract] [Full-text]
10. Sildenafil improves sleep-related erections in hypogonadal men: evidence from a randomized, placebo-controlled, crossover study of a synergic role for both testosterone and sildenafil on penile erections.
    J Androl, 27(2): 165-75. [Abstract] [Full-text]
11. Evidence for the involvement of L-arginine-nitric oxide-cyclic guanosine monophosphate pathway in the antidepressant-like effect of memantine in mice.
    Behav Brain Res, 168(2): 318-22. [Abstract] [Full-text]
12. Ca2+-activated K+ (KCa) channels are involved in the relaxations elicited by sildenafil in penile resistance arteries.
    Eur J Pharmacol, 531(1): 232-7. [Abstract] [Full-text]
13. Sildenafil extends survival and graft function in a large animal lung transplantation model.
    Eur J Cardiothorac Surg, 29(3): 288-93. [Abstract] [Full-text]
14. The proconvulsant effect of sildenafil in mice: role of nitric oxide-cGMP pathway.
    Br J Pharmacol. [Abstract] [Full-text]
15. Pulmonary hemodynamic responses to brain natriuretic peptide and sildenafil in patients with pulmonary arterial hypertension.
    Chest, 129(2): 417-25. [Abstract] [Full-text]
16. Vasorelaxing effect of BAY 41-2272 in rat basilar artery: involvement of cGMP-dependent and independent mechanisms.
    Hypertension, 47(3): 596-602. [Abstract] [Full-text]
17. Solid phase extraction and liquid chromatographic determination of sildenafil and N-demethylsidenafil in rat serum with basic mobile phase.
    J Pharm Biomed Anal, 40(4): 952-7. [Abstract] [Full-text]
18. Screening suspected counterfeit Viagra and imitations of Viagra with near-infrared spectroscopy.
    J Pharm Biomed Anal, 40(4): 840-9. [Abstract] [Full-text]
19. Vasodilatory and hypoglycaemic effects of two pyrano-isoflavone extractives from Eriosema kraussianum N. E. Br. [Fabaceae] rootstock in experimental rat models.
    Phytochemistry, 67(6): 610-7. [Abstract] [Full-text]
20. Successful switch from long-term intravenous iloprost to non-invasive combination therapy in idiopathic pulmonary arterial hypertension.
    Wien Klin Wochenschr, 118(1): 54-59. [Abstract] [Full-text]
21. Effects of phosphodiesterase 5 inhibitor on pulmonary vascular reactivity in the fetal lamb.
    Ann Thorac Surg, 81(3): 935-42. [Abstract] [Full-text]
22. Management of honeymoon impotence.
    J Sex Med, 3(2): 361-6. [Abstract] [Full-text]
23. Timing of dose relative to sexual intercourse attempt in previous sildenafil citrate users treated with tadalafil.
    J Sex Med, 3(2): 309-19. [Abstract] [Full-text]
24. Can atorvastatin improve the response to sildenafil in men with erectile dysfunction not initially responsive to sildenafil? Hypothesis and pilot trial results.
    J Sex Med, 3(2): 303-8. [Abstract] [Full-text]
25. Comparison between sildenafil-treated subjects with erectile dysfunction and control subjects on the Self-Esteem And Relationship questionnaire.
    J Sex Med, 3(2): 274-82. [Abstract] [Full-text]
26. Sexual counseling improved erectile rehabilitation after non-nerve-sparing radical retropubic prostatectomy or cystectomy--results of a randomized prospective study.
    J Sex Med, 3(2): 267-73. [Abstract] [Full-text]
27. Testosterone restores diabetes-induced erectile dysfunction and sildenafil responsiveness in two distinct animal models of chemical diabetes.
    J Sex Med, 3(2): 253-64; discussion 264-5, author reply 265-6. [Abstract] [Full-text]
28. Influence of intravenous sildenafil on cerebral oxygenation measured by near-infrared spectroscopy in infants after cardiac surgery.
    Pediatr Res, 59(3): 462-5. [Abstract] [Full-text]
29. Dramatic beneficial effects of sildenafil in recurrent massive pulmonary embolism.
    Intensive Care Med, 32(3): 452-4. [Abstract] [Full-text]
30. Maximum Skin Hyperaemia Induced by Local Heating: Possible Mechanisms.
    J Vasc Res, 43(3): 270-277. [Abstract] [Full-text]
31. Phosphodiesterase-5 Gln817 is critical for cGMP, vardenafil, or sildenafil affinity: its orientation impacts cGMP but not cAMP affinity.
    J Biol Chem, 281(9): 5553-8. [Abstract] [Full-text]

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