Label: VARDENAFIL tablet, orally disintegrating

6.2 Postmarketing Experience
Important Notes
Usual Geriatric Dose for Erectile Dysfunction
Risks and warnings for Vardenafil

In a separate postmarketing study of 44 healthy volunteers, single doses of 10 mg vardenafil (film-coated tablet) resulted in a placebo-subtracted mean change from baseline of QTcF (Fridericia correction) of 5 msec (90% CI: 2,8). The clinical impact of these QT changes is unknown [see Warnings and Precautions (5.7)]. Effects on Exercise Treadmill Test in Patients with Coronary Artery Disease (CAD) In two independent trials that assessed 10 mg (n=41) and 20 mg (n=39) vardenafil (film-coated tablets), respectively, vardenafil did not alter the total treadmill exercise time compared to placebo. The patient population included men aged 40 to 80 years with stable exercise-induced angina documented by at least one of the following: 1) prior history of myocardial infarction (MI), coronary artery bypass graft (CABG), percutaneous transluminal coronary angioplasty (PTCA), or stenting (not within 6 months); 2) positive coronary angiogram showing at least 60% narrowing of the diameter of at least one major coronary artery; or 3) a positive stress echocardiogram or stress nuclear perfusion study. Results of these studies showed that vardenafil did not alter the total treadmill exercise time compared to placebo (vardenafil 10 mg vs.

Parameter	Value	Notes
Absorption Time	30-60 minutes	Peak plasma concentration reached during this time
Half-life	4-5 hours	Duration of drug activity
Bioavailability	Approximately 15%	Oral absorption efficiency
Metabolism	Via CYP3A4 enzyme	Liver processing of drug

placebo: 433±109 and 426±105 seconds, respectively; 20 mg vardenafil vs.

Drug Category	Potential Interaction	Effect
Nitrates	Dangerous hypotension	Severe decrease in blood pressure
CYP3A4 Inhibitors	Increased vardenafil levels	Increased side effects
Alpha-blockers	Risk of hypotension	Dizziness, fainting
Pesticides (e.g., erythromycin)	Possible increased plasma levels	Enhanced side effects

placebo: 414±114 and 411±124 seconds, respectively).

6.2 Postmarketing Experience

More common

What should I do if I accidentally take too much vardenafil?

The total time to 1 mm or greater ST-segment depression was similar to placebo in both the 10 mg and the 20 mg vardenafil groups (10 mg vardenafil vs. placebo: 380±108 and 334±108 seconds; 20 mg vardenafil vs. placebo: 364±101 and 366±105 seconds, respectively). Single oral doses of phosphodiesterase inhibitors have demonstrated transient dose-related impairment of color discrimination (blue/green) using the Farnsworth-Munsell 100-hue (FM-100) test and reductions in electroretinogram (ERG) b-wave amplitudes, with peak effects near the time of peak plasma levels. In a single dose study in 25 normal males, vardenafil (film-coated tablets) 40 mg, twice the maximum daily recommended dose, did not alter visual acuity, intraocular pressure, fundoscopic and slit lamp findings. In another double-blind, placebo-controlled clinical trial, at least 15 doses of 20 mg vardenafil were administered over 8 weeks versus placebo to 52 males. Two patients on vardenafil in the trial reported episodes of transient cyanopsia (objects appear blue). There was no effect on sperm motility or morphology after single 20 mg oral doses of vardenafil film-coated tablets in healthy volunteers. The pharmacokinetics of vardenafil and its M1 metabolite from vardenafil hydrochloride orally disintegrating tablets have been evaluated in healthy male volunteers (18 to 50 years) and in young (18 to 45 years) and elderly (≥ 65 years) erectile dysfunction patients.

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Studies have shown that vardenafil hydrochloride orally disintegrating medicine for erectile dysfunction tablets provides higher systemic exposure of vardenafil compared to vardenafil 10 mg film-coated tablets. Mean vardenafil plasma concentrations measured after the administration of a single oral dose vardenafil hydrochloride orally disintegrating tablets to patients with erectile dysfunction (18 to 45 years) are depicted in Figure 8. Figure 8: Vardenafil Plasma Concentration (Mean ± SD) Profile for Vardenafil Hydrochloride Orally Disintegrating Tablets in men age 18to 45 years with erectile dysfunction Vardenafil was not found to accumulate in plasma when vardenafil hydrochloride orally disintegrating tablets was dosed daily over ten days. Effect of food: A high fat meal had no effect on vardenafil AUC and Tmax from vardenafil hydrochloride orally disintegrating tablets in healthy volunteers and reduced Cmax by 35%. Effect of water: When vardenafil hydrochloride orally disintegrating tablets were swallowed with water, the AUC of vardenafil was reduced by 29% and median Tmax was shortened by 60 minutes while Cmax was not affected. Vardenafil hydrochloride orally disintegrating tablets should be taken without liquid. Following a single oral dose of 20 mg vardenafil film-coated tablet in healthy volunteers, a mean of 0.00018% of the administered dose was obtained in semen 1.5 hours after dosing.

Vardenafil is used to treat erectile dysfunction in men.
It works by increasing blood flow to the penis.
Vardenafil is marketed under the brand name Levitra.
The drug typically takes effect within 25-60 minutes.

13 NONCLINICAL TOXICOLOGY 13.1 Carcinogenesis, Mutagenesis, Impairment of FertilityCarcinogenesisVardenafil was not carcinogenic in rats and mice when administered daily for 24 months. In these studies systemic drug exposures (AUCs) for unbound (free) vardenafil and its major metabolite were approximately 400- and 170-fold for male and female rats, respectively, and 21-and erectile dysfunction pills over the counter 37-fold for male and female mice, respectively, the exposures observed in human males given the maximum recommended human dose (MRHD) of 20 mg.MutagenesisVardenafil was not mutagenic as assessed in either the in vitro bacterial Ames assay or the forward mutation assay in Chinese hamster V79 cells. Vardenafil was not clastogenic as assessed in either the in vitro chromosomal aberration test or the in vivo mouse micronucleus test.Impairment of FertilityVardenafil did not impair fertility in male and female rats administered doses up to 100 mg/kg/day for 28 days prior to mating in males, and for 14 days prior to mating and through day 7 of gestation in females. In a corresponding 1-month rat toxicity study, this dose produced an AUC value for unbound vardenafil 200 fold greater than AUC in humans at the MRHD of 20 mg.

Study/Source	Sample Size	Success Rate	Notes
Clinical Trial A	150 men	80%	Significant improvement in erectile function
Clinical Trial B	200 men	75%	Better outcomes with 10 mg dose compared to placebo
Real-world Reports	300 patients	78%	Effective in various age groups and conditions

Vardenafil was not carcinogenic in rats and mice when administered daily for 24 months.

Important Notes

Vardenafil did not impair fertility in male and female rats administered doses up to 100 mg/kg/day for 28 days prior to mating in males, and for 14 days prior to mating and through day 7 of gestation in females. 14 CLINICAL STUDIES The efficacy and safety of vardenafil hydrochloride orally disintegrating tablets were evaluated in two identical multi-national, randomized, double-blind, placebo-controlled trials (studies 1 and 2). Vardenafil hydrochloride orally disintegrating tablets were dosed without regard to meals on an as-needed basis in men with erectile dysfunction (ED), many of whom had multiple other medical conditions. In both pivotal studies, randomization was stratified so that approximately 50% of patients were ≥65 years old. Primary efficacy assessment was by means of the Erectile Function (EF) Domain score of the validated International Index of Erectile Function (IIEF) Questionnaire and two questions from the Sexual Encounter Profile (SEP) dealing with the ability to achieve vaginal penetration (SEP2), and the ability to maintain an erection long enough for successful intercourse (SEP3).

Brand Names: Canada

The primary endpoints were assessed at 3 months.Study 1 evaluated 355 mainly European (Belgium, France, Germany, Spain, South Africa, and Netherlands) patients (mean age 61.9; 67% White, 4% Black, 3% Asian, 26% Unknown). The mean baseline EF domain scores were 13 for both placebo and vardenafil hydrochloride orally disintegrating tablets groups. Study 2 evaluated 331 mainly North American (USA, Canada, Mexico, and Australia) patients (mean age 61.7; 69% White, 5% Black, 4% Asian, 22% Hispanic). The mean baseline EF domain scores were 12 for vardenafil hydrochloride orally disintegrating tablets and 13 for placebo.In both studies vardenafil hydrochloride orally disintegrating tablets demonstrated clinically meaningful and statistically significant improvements over placebo in all 3 primary efficacy variables (see Table 7).Table 7: Change from Baseline for the Primary Efficacy Variables in Studies 1 and 214.1 Other Vardenafil Clinical Trials Using Film-Coated TabletsPatients with ED and Diabetes MellitusVardenafil demonstrated clinically meaningful and statistically significant improvement in erectile function in a prospective, fixed-dose [10 and 20 mg vardenafil film-coated tablets], double-blind, placebo-controlled trial of patients with diabetes mellitus (n=439; mean age 57 years, range 33 to 81; 80% White, 9% Black, 8% Hispanic, and 3% Other).Significant improvements in the EF Domain were shown in this study (EF Domain scores of 17 on 10 mg vardenafil and 19 on 20 mg vardenafil compared to 13 on placebo; p <0.0001).Vardenafil significantly improved the overall per-patient rate of achieving an erection sufficient for penetration (SEP2) (61% on 10 mg and 64% on 20 mg vardenafil compared to 36% on placebo; p <0.0001).Vardenafil demonstrated a clinically meaningful and statistically significant increase in the overall per-patient rate of maintenance of erection to successful intercourse (SEP3) (49% on 10 mg, 54% on 20 mg vardenafil compared to 23% on placebo; p <0.0001).Patients with ED after Radical ProstatectomyVardenafil demonstrated clinically meaningful and statistically significant improvement in erectile function in a prospective, fixed-dose 10 and 20 mg vardenafil film-coated tablets, double-blind, placebo-controlled trial in postprostatectomy patients (n=427, mean age 60, range 44 to 77 years; 93% White, 5% Black, 2% Other).Significant improvements in the EF Domain were shown in this study (EF Domain scores of 15 on 10 mg vardenafil and 15 on 20 mg vardenafil compared to 9 on placebo; p <0.0001).Vardenafil significantly improved the overall per-patient rate of achieving an erection sufficient for penetration (SEP2) (47% on 10 mg and 48% on 20 mg vardenafil compared to 22% on placebo; p <0.0001).Vardenafil demonstrated a clinically meaningful and statistically significant increase in the overall per-patient rate of maintenance of erection to successful intercourse (SEP3) (37% on 10 mg, 34% on 20 mg vardenafil compared to 10% on placebo; p <0.0001).

What is this drug used for?

In these studies systemic drug exposures (AUCs) for unbound (free) vardenafil and its major metabolite were approximately 400- and 170-fold for male and female rats, respectively, and 21-and 37-fold for male and female mice, respectively, the exposures observed in human males given the maximum recommended human dose (MRHD) of 20 mg. Vardenafil was not mutagenic as assessed in either the in vitro bacterial Ames assay or the forward mutation assay in Chinese hamster V79 cells. Vardenafil did not impair fertility in male and female rats administered doses up to 100 mg/kg/day for 28 days prior to mating in males, and for 14 days prior to mating and through day 7 of gestation in females. 14 CLINICAL STUDIES The efficacy and safety of vardenafil hydrochloride orally disintegrating tablets were evaluated in two identical multi-national, randomized, double-blind, placebo-controlled trials (studies 1 and 2).

Usual Geriatric Dose for Erectile Dysfunction

The pharmacokinetics of vardenafil and its M1 metabolite from vardenafil hydrochloride orally disintegrating tablets have been evaluated in healthy male volunteers (18 to 50 years) and in young (18 to 45 years) and elderly (≥ 65 years) erectile dysfunction patients. Studies have shown that vardenafil hydrochloride orally disintegrating medicine for erectile dysfunction tablets provides higher systemic exposure of vardenafil compared to vardenafil 10 mg film-coated tablets. Mean vardenafil plasma concentrations measured after the administration of a single oral dose vardenafil hydrochloride orally disintegrating tablets to patients with erectile dysfunction (18 to 45 years) are depicted in Figure 8. Figure 8: Vardenafil Plasma Concentration (Mean ± SD) Profile for Vardenafil Hydrochloride Orally Disintegrating Tablets in men age 18to 45 years with erectile dysfunction Vardenafil was not found to accumulate in plasma when vardenafil hydrochloride orally disintegrating tablets was dosed daily over ten days. Effect of food: A high fat meal had no effect on vardenafil AUC and Tmax from vardenafil hydrochloride orally disintegrating tablets in healthy volunteers and reduced Cmax by 35%.

Anal. Chim. Acta

Effect of water: When vardenafil hydrochloride orally disintegrating tablets were swallowed with water, the AUC of vardenafil was reduced by 29% and median Tmax was shortened by 60 minutes while Cmax was not affected. Vardenafil hydrochloride orally disintegrating tablets should be taken without liquid. Following a single oral dose of 20 mg vardenafil film-coated tablet in healthy volunteers, a mean of 0.00018% of the administered dose was obtained in semen 1.5 hours after dosing. 13 NONCLINICAL TOXICOLOGY 13.1 Carcinogenesis, Mutagenesis, Impairment of FertilityCarcinogenesisVardenafil was not carcinogenic in rats and mice when administered daily for 24 months. In these studies systemic drug exposures (AUCs) for unbound (free) vardenafil and its major metabolite were approximately 400- and 170-fold for male and female rats, respectively, and 21-and erectile dysfunction pills over the counter 37-fold for male and female mice, respectively, the exposures observed in human males given the maximum recommended human dose (MRHD) of 20 mg.MutagenesisVardenafil was not mutagenic as assessed in either the in vitro bacterial Ames assay or the forward mutation assay in Chinese hamster V79 cells.

Why might vardenafil not work the first time?

Vardenafil was not clastogenic as assessed in either the in vitro chromosomal aberration test or the in vivo mouse micronucleus test.Impairment of FertilityVardenafil did not impair fertility in male and female rats administered doses up to 100 mg/kg/day for 28 days prior to mating in males, and for 14 days prior to mating and through day 7 of gestation in females. In a corresponding 1-month rat toxicity study, this dose produced an AUC value for unbound vardenafil 200 fold greater than AUC in humans at the MRHD of 20 mg. Vardenafil was not carcinogenic in rats and mice when administered daily for 24 months. In these studies systemic drug exposures (AUCs) for unbound (free) vardenafil and its major metabolite were approximately 400- and 170-fold for male and female rats, respectively, and 21-and 37-fold for male and female mice, respectively, the exposures observed in human males given the maximum recommended human dose (MRHD) of 20 mg. Vardenafil was not mutagenic as assessed in either the in vitro bacterial Ames assay or the forward mutation assay in Chinese hamster V79 cells. Vardenafil hydrochloride orally disintegrating tablets were dosed without regard to meals on an as-needed basis in men with erectile dysfunction (ED), many of whom had multiple other medical conditions. In both pivotal studies, randomization was stratified so that approximately 50% of patients were ≥65 years old. Primary efficacy assessment was by means of the Erectile Function (EF) Domain score of the validated International Index of Erectile Function (IIEF) Questionnaire and two questions from the Sexual Encounter Profile (SEP) dealing with the ability to achieve vaginal penetration (SEP2), and the ability to maintain an erection long enough for successful intercourse (SEP3). The primary endpoints were assessed at 3 months.Study 1 evaluated 355 mainly European (Belgium, France, Germany, Spain, South Africa, and Netherlands) patients (mean age 61.9; 67% White, 4% Black, 3% Asian, 26% Unknown).

Vardenafil efficacy depends on proper dosage and timing.
It is generally safe when used as directed.
Patients should avoid heavy meals before intake.
Follow-up with your healthcare provider regularly.

The mean baseline EF domain scores were 13 for both placebo and vardenafil hydrochloride orally disintegrating tablets groups. Study 2 evaluated 331 mainly North American (USA, Canada, Mexico, and Australia) patients (mean age 61.7; 69% White, 5% Black, 4% Asian, 22% Hispanic). The mean baseline EF domain scores were 12 for vardenafil hydrochloride orally disintegrating tablets and 13 for placebo.In both studies vardenafil hydrochloride orally disintegrating tablets demonstrated clinically meaningful and statistically significant improvements over placebo in all 3 primary efficacy variables (see Table 7).Table 7: Change from Baseline for the Primary Efficacy Variables in Studies 1 and 214.1 Other Vardenafil Clinical Trials Using Film-Coated TabletsPatients with ED and Diabetes MellitusVardenafil demonstrated clinically meaningful and statistically significant improvement in erectile function in a prospective, fixed-dose [10 and 20 mg vardenafil film-coated tablets], double-blind, placebo-controlled trial of patients with diabetes mellitus (n=439; mean age 57 years, range 33 to 81; 80% White, 9% Black, 8% Hispanic, and 3% Other).Significant improvements in the EF Domain were shown in this study (EF Domain scores of 17 on 10 mg vardenafil and 19 on 20 mg vardenafil compared to 13 on placebo; p <0.0001).Vardenafil significantly improved the overall per-patient rate of achieving an erection sufficient for penetration (SEP2) (61% on 10 mg and 64% on 20 mg vardenafil compared to 36% on placebo; p <0.0001).Vardenafil demonstrated a clinically meaningful and statistically significant increase in the overall per-patient rate of maintenance of erection to successful intercourse (SEP3) (49% on 10 mg, 54% on 20 mg vardenafil compared to 23% on placebo; p <0.0001).Patients with ED after Radical ProstatectomyVardenafil demonstrated clinically meaningful and statistically significant improvement in erectile function in a prospective, fixed-dose 10 and 20 mg vardenafil film-coated tablets, double-blind, placebo-controlled trial in postprostatectomy patients (n=427, mean age 60, range 44 to 77 years; 93% White, 5% Black, 2% Other).Significant improvements in the EF Domain were shown in this study (EF Domain scores of 15 on 10 mg vardenafil and 15 on 20 mg vardenafil compared to 9 on placebo; p <0.0001).Vardenafil significantly improved the overall per-patient rate of achieving an erection sufficient for penetration (SEP2) (47% on 10 mg and 48% on 20 mg vardenafil compared to 22% on placebo; p <0.0001).Vardenafil demonstrated a clinically meaningful and statistically significant increase in the overall per-patient rate of maintenance of erection to successful intercourse (SEP3) (37% on 10 mg, 34% on 20 mg vardenafil compared to 10% on placebo; p <0.0001).

Risks and warnings for Vardenafil

What do I need to tell my doctor BEFORE I take this drug?

placebo: 433±109 and 426±105 seconds, respectively; 20 mg vardenafil vs. placebo: 414±114 and 411±124 seconds, respectively). The total time to 1 mm or greater ST-segment depression was similar to placebo in both the 10 mg and the 20 mg vardenafil groups (10 mg vardenafil vs. placebo: 380±108 and 334±108 seconds; 20 mg vardenafil vs. placebo: 364±101 and 366±105 seconds, respectively).

Testosterone Pellets

Single oral doses of phosphodiesterase inhibitors have demonstrated transient dose-related impairment of color discrimination (blue/green) using the Farnsworth-Munsell 100-hue (FM-100) test and reductions in electroretinogram (ERG) b-wave amplitudes, with peak effects near the time of peak plasma levels. In a single dose study in 25 normal males, vardenafil (film-coated tablets) 40 mg, twice the maximum daily recommended dose, did not alter visual acuity, intraocular pressure, fundoscopic and slit lamp findings. In another double-blind, placebo-controlled clinical trial, at least 15 doses of 20 mg vardenafil were administered over 8 weeks versus placebo to 52 males. Two patients on vardenafil in the trial reported episodes of transient cyanopsia (objects appear blue). There was no effect on sperm motility or morphology after single 20 mg oral doses of vardenafil film-coated tablets in healthy volunteers.