Vardenafil

This page contains recent news articles, when available, and an overview of Vardenafil but does not offer medical advice. You should contact your physician with regard to any health issues or concerns.


Overview:

Vardenafil
(when available)

Pharmacology and use:
Vardenafil is used to treat male erectile dysfunction (impotence) and pulmonary arterial hypertension (PAH). Part of the physiological process of erection involves the release of nitric oxide (NO) in the corpus cavernosum. This then activates the enzyme guanylate cyclase which results in increased levels of cyclic guanosine monophosphate (cGMP), leading to smooth muscle relaxation in the corpus cavernosum, resulting in increased inflow of blood and an erection. Vardenafil is a potent and selective inhibitor of cGMP specific phosphodiesterase type 5 (PDE5) which is responsible for degradation of cGMP in the corpus cavernosum. This means that, with vardenafil on board, normal sexual stimulation leads to increased levels of cGMP in the corpus cavernosum which leads to better erections. Without sexual stimulation and no activation of the NO/cGMP system, vardenafil should not cause an erection. Used for the treatment of erectile dysfunction

Mechanism Of Action:
Vardenafil inhibits the cGMP specific phosphodiesterase type 5 (PDE5) which is responsible for degradation of cGMP in the corpus cavernosum located around the penis. Penile erection during sexual stimulation is caused by increased penile blood flow resulting from the relaxation of penile arteries and corpus cavernosal smooth muscle. This response is mediated by the release of nitric oxide (NO) from nerve terminals and endothelial cells, which stimulates the synthesis of cGMP in smooth muscle cells. Cyclic GMP causes smooth muscle relaxation and increased blood flow into the corpus cavernosum. The inhibition of phosphodiesterase type 5 (PDE5) by vardenafil enhances erectile function by increasing the amount of cGMP.

News Articles on Vardenafil

Effect of propionyl-l-carnitine, l-arginine and nicotinic acid on ...  -  ‎Aug 18, 2009‎
The test formulation together with vardenafil was better than the 5PDE inhibitor alone, but further studies are needed to confirm these findings. UroToday

The ENDOTRIAL Study: A spontaneous, open-label, randomized ...  -  ‎Aug 5, 2009‎
The three effective, commercially available drugs for the treatment of erectile dysfunction-sildenafil, vardenafil, and tadalafil-inhibit the same substrate UroToday

Consider Costs to Your Health Before Ordering ED Medication Online  -  ‎Aug 26, 2009‎
Viagra and other erectile dysfunction medications such as Levitra (vardenafil) and Cialis (tadalafil) -- known as phosphodiesterase (PDE-5) inhibitors KFSM

The burden and extent of comorbid conditions in patients with ...  -  ‎Aug 23, 2009‎
Effective treatments for ED are available, including the three phosphodiesterase type 5 inhibitors sildenafil citrate, tadalafil and vardenafil HCl. UroToday

Meet the Expert - Wayne JG Hellstrom  -  ‎Aug 7, 2009‎
...the oral phosphodiesterase type 5 inhibitors–tadalafil, vardenafil, and sildenafil–for the treatment of ED; premature ejaculation drugs; and a number of UroToday

Levitra To Be Sold In New Orodispersible Formula  -  ‎Aug 21, 2009‎
...to the medical authorities in the European Union to sell and market it as an orodispersible tablet containing 10mg of its active ingredient vardenafil. UKMedix Health News

Bayer beaten in Indian court over patent law  -  ‎Aug 20, 2009‎
Better news for Bayer came with the firm submitting a new formulation of its erectile dysfunction drug Levitra (vardenafil) in the European Union. Pharma Times

Psychiatric Aspects of HIV Spectrum Disease  -  ‎Aug 28, 2009‎
...sildenafil, vardenafil, and tadalafil), there is a lack of specific prevention messages for this population. Finally, people with severe mental illness Focus (subscription)

New Levitra® formulation submitted for registration in the EU  -  ‎Aug 19, 2009‎
Berlin, Germany | August 19, 2009 | Bayer Schering Pharma AG has submitted an application for registration of a new formulation of Levitra® (vardenafil HCI) PipelineReview.com (press release)

MOTO GP: DISFUNZIONE ERETTILE: UN PROBLEMA NON SOLO MASCHILE  -  ‎Aug 11, 2009‎
Negli anni successivi si sono aggiunti altri due farmaci: il Vardenafil ed il Tadalafil. Il meccanismo d'azione è simile per tutti e tre, e tutti hanno Moto GP blog

Saisie de faux Viagra  -  ‎Aug 8, 2009‎
Deux autres médicaments ayant sensiblement les mêmes effets ont été approuvés en 2003: le vardenafil (Levitra) et le tadalafil (Cialis). Canoë

Kaffee und Testosteron-Check am Messestand ...  -  ‎Aug 18, 2009‎
...oder Typ-2-Diabetes und können effektiv und verträglich mit so genannten Phosphodiesterase-5-Hemmern wie Vardenafil behandelt werden. IBTimes Deutschland

Thuốc chữa bệnh “chưa đến chợ đã hết tiá»?nâ€?  -  ‎Aug 17, 2009‎
...nhóm chống trầm cảm ba vòng (clomipramin), nhóm an thần, nhóm chẹn alpha giao cảm, hay nhóm ức chế PDE5 (sildenafil, tadalafil, vardenafil). 24 giờ

Lo sport aiuta l'amore  -  ‎Aug 5, 2009‎
Il primo trattato solo con inibitore PDE-5 (sildenafil, tadalafil o vardenafil) e il secondo con inibitore PDE-5 in aggiunta a un'attività sportiva aerobica L'Espresso

'El viagra también sirve para las mujeres'  -  ‎Aug 7, 2009‎
Eso ha llevado a que el sildenafil, vardenafil y tadalafil se conviertan en drogas prácticamente recreativas que usan grupos de edad desde los 18 años hasta El Espectador (Colombia)

Bayer beantragt EU-Zulassung für neue Levitra® Tablette  -  ‎Aug 19, 2009‎
...(lifepr) Berlin, 19.08.2009 - Bayer Schering Pharma hat die EU-Zulassung für Levitra ® (Vardenafil HCI) als Schmelztablette in der 10 mg-Dosierung lifepr.de (Pressemitteilung)

Ä‚n gừng lợi hÆ¡n uống Viagra  -  ‎Aug 8, 2009‎
Vá»? danh nghÄ©a, các viên Viagra (Sildenafil), Levitra (Vardenafil), Cialis (Tadalafil) được phép bán theo đơn bác sÄ©. Nhưng ở xứ ta chưa quen coi trá»?ng cái Tiền Phong Online

Cheap Levitra sales online without a prescription uk  -  ‎Jul 12, 2009‎
12, 2009 at 4:54 PM You can choose between brand name Levitra, or high quality generic Vardenafil tablets that are cheaper than the brand name medication. Cleveland Indy Media

Buy Generic Levitra Online to Improve Your Performance!  -  ‎Jul 12, 2009‎
The non-trade name for levitra. is Vardenafil. Vardenafil, an oral treatment that increases inflow and retention of blood in the penis, is in the same class Cleveland Indy Media

Vardenafil: Efficacy, Tolerability and Future Directions - Abstract  -  ‎Jun 18, 2009‎
Vardenafil is a short-acting PDE5 inhibitor used in the treatment of male erectile dysfunction. It is the most potent and specific of the three commercially UroToday

Safety and Efficacy of Vardenafil Versus Sertraline in the ...  -  ‎Jun 17, 2009‎
We investigated safety and efficacy of vardenafil and sertraline in premature ejaculation (PE). Seventy-two men graded their primary PE on a scale of 0-8 (0 UroToday

New study finds erections last more than twice as long with ED ...  -  ‎Jun 25, 2009‎
The ENDURANCE study investigated the relative effectiveness of 10 mg vardenafil, compared with placebo, in increasing the duration of erection leading to The Virtual Medical Centre

"Natural" ED product recalled; contains PDE-5 inhibitor  -  ‎Jun 22, 2009‎
Other PDE-5 inhibitors, such as sildenafil and vardenafil, are FDA-approved for the treatment of erectile dysfunction; benzamidenafil does not have FDA TheHeart.Org

Buy cheap cialis online no prescription ,Buy cialis cheap !  -  ‎Jul 3, 2009‎
Cialis (Tadalafil) and Cialis (Vardenafil) are two competitors that are sold under the brand name Cialis and Cialis respectively. the young. Not true. Toute la Poésie

S.Vettel a castigat Marele Premiu al Marii Britanii  -  ‎Jun 21, 2009‎
...http://www.karenhermanforjudge.com/viagra.html viagra these muscles leads Stop using Levitra vardenafil and get emergency medical help if you have Sport365.ro

Bayer Sues Teva to Prevent Copy of Levitra Pill  -  ‎Jul 1, 2009‎
The drug, whose active ingredient is vardenafil hydrochloride, generated $341 million in sales last year for Bayer, the company said in its annual report. Bloomberg

Buy VIAGRA pills. Absolut privacy- cheap viagra online! Buy cheap ...  -  ‎Jul 9, 2009‎
Cialis (Tadalafil) and Levitra (Vardenafil) are two competitors that are sold under the brand name Cialis and Levitra respectively. the young. Not true. Cubed3

Purchase VIAGRA | Need to Buy VIAGRA ? | Turn To Rolling  -  ‎Jun 30, 2009‎
Levitra (vardenafil HCl) – a product of Bayer Corporation of Germany and marketed globally by Glaxo Smith Kline – redefined male sexual health. Toute la Poésie

Acheter Cialis, Levitra, Viagra, Kamagra en ligne  -  ‎Jul 13, 2009‎
...en ligne Levitra est le nom de marque de Vardenafil, c'est un comprime nouveau base sur le traitement oral du dysfonctionnement de l'erection masculine. Cleveland Indy Media

뇌종양 í•­ì•” 효과↑…레비트ë?¼ 등 발기부전치료제  -  ‎Jul 12, 2009‎
...미국 시ë?”스 시나ì?´ 메디컬센터(Cedars-Sinai Medical Center)ì?˜ 키스 블랙 박사ì—? 따르면 ì¥? 실험 ê²°ê³¼, 발기부전치료제 레비트ë?¼(vardenafil)와 뇌종양 치료제를 메디컬헤럴드

Sex mit der Stoppuhr  -  ‎Jun 26, 2009‎
Die Ergebnisse zeigten, dass es nach der Einnahme von Vardenafil bei Bedarf im Vergleich zum Placebo zu einer zwei- bis dreifachen Verlängerung der derStandard.at

ë°”ì?´ì—˜, 테바사 레비트ë?¼ 복제약 ì‹ ì²­ì—? 특허소송  -  ‎Jul 6, 2009‎
...김윤ì˜? 기ìž? ë°”ì?´ì—˜ ì‰?ë§? 파마는 미국 제네릭 ì?˜ì•½í’ˆ 전문제약회사 테바(Teva)사를 ìƒ?대로 ë°”ì?´ì—˜ 발기부전치료약 레비트ë?¼(Levitra: vardenafil)ì?˜ 특허를 침해했다는 메디포뉴스

Millionenraub bei Bayer  -  ‎Jul 6, 2009‎
Köln - Vier Maskierte haben bei Bayer in Leverkusen 320.000 Tabletten des Potenzmittels Levitra (Vardenafil) im Wert von 4,9 Millionen Euro gestohlen. apotheke-adhoc

Bayer verklagt Teva  -  ‎Jul 2, 2009‎
Teva habe bei der US-Zulassungsbehörde FDA einen Antrag auf Zulassung einer generischen Version von Levitra (Vardenafil) gestellt, teilte Bayer mit. apotheke-adhoc

Quand les pannes sous la couette annoncent des problèmes de santé  -  ‎Jun 29, 2009‎
La solution n'est donc pas forcément la pilule bleue (Viagra de Pfizer) ni la pilule orange (Vardenafil de Bayer), qui, dans les cas cités, ne traiteraient Les Quotidiennes

Einbruch bei Bayer: Levitra-Tabletten im Wert von mehreren ...  -  ‎Jul 13, 2009‎
Der PDE-5-Hemmer Levitra mit dem Wirkstoff Vardenafil gehört zu den wichtigsten Umsatzbringern des Bayer-Pharmageschäfts, allein im Jahr 2008 Apotheker Zeitung

Lanzaron una píldora para la disfunción eréctil de uso diario  -  ‎Jul 3, 2009‎
El uso de los inhibidores de la fosfodiesterasa-5 (sildenafil, vardenafil y tadalafilo) podría tener efectos que van más allá de la sexualidad. AIM Digital

NAS FARMÃ?CIAS  -  ‎Jun 27, 2009‎
Conforme ele, o mais vendido entre os medicamentos no Estado é o Cialis (tadalafil), mas outros como Viagra (sildenafil), o Levitra (vardenafil) eo Helleva Diário do Nordeste (Assinatura)

Diebe klauen bei Bayer 320.000 Potenzpillen  -  ‎Jul 6, 2009‎
Es wird bei Erektionsstörungen und Impotenz empfohlen, der Wirkstoff ist Vardenafil. Im Internet finden sich zahlreiche Berichte über Levitra. WELT ONLINE

Disfunzione erettile e insoddisfazione sessuale? Attività sportiva.  -  ‎Jun 20, 2009‎
...tadalafil o vardenafil) ed il secondo con inibitore PDE-5 in aggiunta ad attività sportiva aerobica regolare per almeno 3 ore alla settimana. Blogosfere

Effects of Phosphodiesterase Inhibitors on Contraction Induced by ...  -  20 Apr 2009
...by the drugs with the following rank order of efficacy: rolipram, forskolin, tadalafil, sodium nitroprusside, sildenafil, vinpocetine, vardenafil, EHNA. UroToday

Male Drugs for Female Sexual Dysfunction  -  20 Apr 2009
...used for erectile dysfunction (the phosphodiesterase 5 inhibitors (PDE5I, such as Viagra® (sildenafil); Levitra® (vardenafil); and Cialis® (tadalafil)). PsychCentral.com

Male Impotence Drugs Show Promise For Treating Female Sexual ...  -  ‎Apr 18, 2009‎
They found one other distinction: females were more sensitive to Viagra®, or sildenafil, while males were most sensitive to Levitra®, or vardenafil. Science Daily (press release)

PDE5 or get off the pot  -  ‎Apr 15, 2009‎
Vardenafil and tadalafil last longer than sildenafil, but that's about it.� All of these pills have the same effect: they relax the smooth muscles lining Eye Weekly

MEN'S HEALTH MATTERS: Treatments for erectile dysfunction  -  ‎Apr 6, 2009‎
Vardenafil (Levitra) is the third PDE5 inhibitor, which is well absorbed and tolerated. It has duration of action similar to Viagra. Irish Times

Love and Diabetes  -  ‎Apr 13, 2009‎
These drugs (sildenafil, or Viagra, tadalafil, or Cialis, and vardenafil, or Levitra) work well for most men and some women (although they are not approved Diabetes Health (press release)

Generic Levitra for Erectile Dysfunction  -  ‎Apr 10, 2009‎
Levitra`s generic version is called as vardenafil. Following are the functions, side effects and the consumption of Levitra: Levitra is a kind of drug NewDesignWorld (press release)

Weiblicher Orgasmus: Viagra & Co. für Frauen  -  ‎Apr 16, 2009‎
Für Männer mit Erektionproblemen gibt es bereits seit einem Jahrzehnt Hilfe: die sogenannten PD-5-Hemmer, besser bekannt als Sildenafil (Viagra), Vardenafil FOCUS Online

Ungebremster Blutfluss ins Gehirn  -  ‎Apr 16, 2009‎
..."Vardenafil, ein Medikament gegen Lungenhochdruck, greift genau an diesem Signalweg an. Wir haben erstmals getestet, wie sich die Gabe von Vardenafil auf Informationsdienst Wissenschaft (Pressemitteilung)

Kommerzielle Potenzmittel helfen auch Frauen  -  ‎Apr 17, 2009‎
Die Männerwelt profitiert schon seit Jahrzehnten von diesen Hemmern mit den Wirkstoffen Sildenafil, Vardenafil und Tadalafil.Für Frauen mit Störungen der Optikur

Reporta Levitra crecimiento sobre competencia durante tres meses ...  -  ‎Apr 3, 2009‎
Vardenafil mejora significativamente la función eréctil, la penetración y el coito exitoso en los pacientes, esto acorde a las medidas de eficacia primarias Invertia (Venezuela)

Estudio desmiente problemas visuales con Viagra y Cialis  -  ‎Apr 13, 2009‎
Eli Lilly diseñó y financió el estudio, que no evaluó a Levitra, o vardenafil, de Bayer AG, que es un fármaco similar. 24 Horas Libre

Potenzprobleme: Vardenafil zur nachweislichen Stärkung der Manneskraft  -  ‎Mar 6, 2009‎
Aktuelle Studien belegen, das neuartige Wirkstoffe wie Vardenafil Männer mit einer erektilen Dysfunktion zu einer anhaltenden und befriedigenden Erektion Medizin-Aspekte

عقار لمقاومة الضعÙ? الجنسي اثبت Ù?اعليته  -  ‎Feb 27, 2009‎
اعتدال سلامه من برلين: منذ نزوله الى الاسواق قبل حوالي سبعة اعوام وعقار vardenafil المعالج للعجز الجنسي لدى الرجال الذي انتجته شركة باير الالمانية يحقق ايلاف

Preisabsprachen bei Potenzmitteln?  -  ‎Mar 5, 2009‎
Dabei geht es um die Preise für die Potenzmittel Viagra (Sildenafil), Cialis (Tadalafil) und Levitra (Vardenafil). Sollte sich der Verdacht bestätigen, apotheke-adhoc

Konsultieren Sie vor der Einnahme von Potenzmitteln immer einen Arzt  -  ‎Mar 16, 2009‎
Während Sildenafil und Vardenafil vier bis fünf Stunden wirken, schafft Tadalafil bis zu 36 Stunden. Alle drei hatten bis vor Kurzem nur eine Zulassung für GesundheitPro

Botenstoff und Gegenspieler  -  ‎Mar 16, 2009‎
Sildenafil, Vardenafil und Tadalafil setzen deshalb am Gefäßsystem im Penis an. Sexuelle Erregung führt dazu, dass Nerven dort den Botenstoff GesundheitPro

Jóvenes compran pastillas para la disfunción eréctil, que se ...  -  ‎Mar 2, 2009‎
Además del sildenafil aparecieron otros principios activos con acción similar como el tadalafil, que se registró comercialmente como Cialis, y el Vardenafil El Tiempo (Colombia)

Advierten sobre el uso de Viagra en jóvenes  -  ‎Mar 5, 2009‎
...(Posterior al 2003 fueron aprobados el vardenafil y el tadalafil, drogas similares que difieren en los tiempos de acción). Tan pronto la “milagrosa pastilla Radio Rebelde

Das Bio-Viagra vom Dach der Welt  -  ‎Feb 27, 2009‎
...blauen oder gelben Pillen mit den Phosphodiesterase-5-Hemmern Sildenafil (Viagra), Tadalafil (Cialis) oder Vardenafil (Levitra) gab es bisher nicht. Basler Zeitung

Brand Names/Synonyms:
Vardenafil is also known by the following brand names and/or synonymsLevitra; VARDENAFIL, LEVITRA; VDN; Vardenafil

Drug Category:
Vardenafil is categorized under the following by the FDA: Anti-Impotence Agents; Vasoconstrictor Agents; Phosphodiesterase Inhibitors; ATC:G04BE09

Dosage Forms:
TABLET (5, 10, and 20 mg)

Absorption:
Vardenafil is rapidly absorbed with absolute bioavailability of approximately 15%.

Interactions:
Interactions for Vardenafil: Effect of other drugs on Vardenafil In vitro studies: Studies in human liver microsomes showed that vardenafil is metabolized primarily by cytochrome P450 (CYP) isoforms 3A4/5, and to a lesser degree by CYP2C9. Therefore, inhibitors of these enzymes are expected to reduce vardenafil clearance. In vivo studies: Cytochrome P450 Inhibitors Cimetidine (400 mg b.i.d.) had no effect on vardenafil bioavailability (AUC) and maximum concentration (Cmax) of vardenafil when co-administered with 20 mg Vardenafil in healthy volunteers. Erythromycin (500 mg t.i.d) produced a 4-fold increase in vardenafil AUC and a 3-fold increase in Cmax when co-administered with Vardenafil 5 mg in healthy volunteers. It is recommended not to exceed a single 5 mg dose of Vardenafil in a 24-hour period when used in combination with erythromycin. Ketoconazole (200 mg once daily) produced a 10-fold increase in vardenafil AUC and a 4-fold increase in Cmax when co-administered with Vardenafil (5 mg) in healthy volunteers. A 5-mg Vardenafil dose should not be exceeded when used in combination with 200 mg once daily ketoconazole. Since higher doses of ketoconazole (400 mg daily) may result in higher increases in Cmax and AUC, a single 2.5 mg dose of Vardenafil should not be exceeded in a 24-hour period when used in combination with ketoconazole 400 mg daily. HIV Protease Inhibitors: Indinavir (800 mg t.i.d.) co-administered with Vardenafil 10 mg resulted in a 16-fold increase in vardenafil AUC, a 7-fold increase in vardenafil Cmax and a 2-fold increase in vardenafil half-life. It is recommended not to exceed a single 2.5 mg Vardenafil dose in a 24-hour period when used in combination with indinavir. Ritonavir (600 mg b.i.d.) co-administered with Vardenafil 5 mg resulted in a 49-fold increase in vardenafil AUC and a 13-fold increase in vardenafil Cmax. The interaction is a consequence of blocking hepatic metabolism of vardenafil by ritonavir, a highly potent CYP3A4 inhibitor, which also inhibits CYP2C9. Ritonavir significantly prolonged the half-life of vardenafil to 26 hours. Consequently, it is recommended not to exceed a single 2.5 mg Vardenafil dose in a 72-hour period when used in combination with ritonavir. Other Drug Interactions: No pharmacokinetic interactions were observed between vardenafil and the following drugs: glyburide, warfarin, digoxin, Maalox, and ranitidine. In the warfarin study, vardenafil had no effect on the prothrombin time or other pharmacodynamic parameters. Effects of Vardenafil on other drugs In vitro studies: Vardenafil and its metabolites had no effect on CYP1A2, 2A6, and 2E1 (Ki > 100uM). Weak inhibitory effects toward other isoforms (CYP2C8, 2C9, 2C19, 2D6, 3A4) were found, but Ki values were in excess of plasma concentrations achieved following dosing. The most potent inhibitory activity was observed for vardenafil metabolite M1, which had a Ki of 1.4 uM toward CYP3A4, which is about 20 times higher than the M1 Cmax values after an 80 mg Vardenafil dose. In vivo studies: Nitrates: The blood pressure lowering effects of sublingual nitrates (0.4 mg) taken 1 and 4 hours after vardenafil and increases in heart rate when taken at 1, 4 and 8 hours were potentiated by a 20 mg dose of Vardenafil in healthy middle-aged subjects. These effects were not observed when Vardenafil 20 mg was taken 24 hours before the NTG. Potentiation of the hypotensive effects of nitrates for patients with ischemic heart disease has not been evaluated, and concomitant use of Vardenafil and nitrates is contraindicated. Nifedipine: Vardenafil 20 mg, when co-administered with slow-release nifedipine 30 mg or 60 mg once daily, did not affect the relative bioavailability (AUC) or maximum concentration (Cmax) of nifedipine, a drug that is metabolized via CYP3A4. Nifedipine did not alter the plasma levels of Vardenafil when taken in combination. In these patients whose hypertension was controlled with nifedipine, Vardenafil 20 mg produced mean additional supine systolic/diastolic blood pressure reductions of 6/5 mm Hg compared to placebo. Alpha-blockers: When Vardenafil 10 or 20 mg was given to healthy volunteers either simultaneously or 6 hours after a 10 mg dose of terazosin, significant hypotension developed in a substantial number of subjects. With simultaneous dosing of Vardenafil 10 mg and terazosin 10 mg, 6 of 8 subjects experienced a standing systolic blood pressure of less than 85 mm Hg. With simultaneous dosing of Vardenafil 20 mg and terazosin 10 mg, 2 of 9 subjects experienced a standing systolic blood pressure of less than 85 mm Hg. When Vardenafil dosing was separated from terazosin 10 mg by 6 hours, 7 of 28 subjects who received 20 mg of Vardenafil experienced a decrease in standing systolic blood pressure below 85 mm Hg. In a similar study with tamsulosin in healthy volunteers, 1 of 24 subjects dosed with Vardenafil 20 mg and tamsulosin 0.4 mg separated by 6 hours experienced a standing systolic blood pressure below 85 mm Hg. Two of 16 subjects dosed simultaneously with Vardenafil 10 mg and tamsulosin 0.4 mg experienced a standing systolic blood pressure below 85 mm Hg. The administration of lower doses of Vardenafil with alpha-blockers has not been completely evaluated to determine if they can be safely administered together. Based on these data, Vardenafil should not be used in patients on alpha-blocker therapy. Ritonavir and indinavir: Upon concomitant administration of 5 mg of Vardenafil with 600 mg BID ritonavir, the Cmax and AUC of ritonavir were reduced by approximately 20%. Upon administration of 10 mg of Vardenafil with 800 mg TID indinavir, the Cmax and AUC of indinavir were reduced by 40% and 30%, respectively. Alcohol: Alcohol (0.5 g/kg body weight: approximately 40 mL of absolute alcohol in a 70 kg person) and vardenafil plasma levels were not altered when dosed simultaneously. Vardenafil (20 mg) did not potentiate the hypotensive effects of alcohol during the 4-hour observation period in healthy volunteers when administered with alcohol (0.5 g/kg body weight). Aspirin: Vardenafil (10 mg and 20 mg) did not potentiate the increase in bleeding time caused by aspirin (two 81 mg tablets). Other interactions: Vardenafil had no effect on the pharmacodynamics of glyburide (glucose and insulin concentrations) and warfarin (prothrombin time or other pharmacodynamic parameters).



Chemical IUPAC Name:
4-[2-ethoxy-5-(4-ethylpiperazin-1-yl)sulfonyl-phenyl]-9-methyl-7-propyl-3,5,6,8-tetrazabicyclo[4.3.0]nona-3,7,9-trien-2-one

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