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The improvement in walk distance was apparent after 4 weeks of treatment and was maintained at week 8 and week 12.Figure 9. Change from Baseline in 6-Minute Walk Distance (meters) at Weeks 4, 8, and 12 in Study 1: Mean (95% Confidence Interval)Figure 10 displays subgroup efficacy analyses in Study 1 for the change from baseline in 6-Minute Walk Distance at Week 12 including baseline walk distance, disease etiology, functional class, gender, age, and hemodynamic parameters.Figure 10.

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Placebo-Corrected Change From Baseline in 6-Minute Walk Distance (meters) at Week 12 by study subpopulation in Study 1: Mean (95% Confidence Interval)Key: PAH = pulmonary arterial hypertension; CTD = connective tissue disease; PH = pulmonary hypertension; PAP = pulmonary arterial pressure; PVRI = pulmonary vascular resistance index; TID = three times daily.Of the 277 treated patients, 259 entered a long-term, uncontrolled extension study. At the end of 1 year, 94% of these patients were still alive. Additionally, walk distance and functional class status appeared to be stable in patients taking sildenafil citrate. Without a control group, these data must be interpreted cautiously.Study 2 (Sildenafil Citrate co-administered with epoprostenol)A randomized, double-blind, placebo controlled study (Study 2) was conducted in 267 patients with PAH who were taking stable doses of intravenous epoprostenol. Patients had to have a mean pulmonary artery pressure (mPAP) greater than or equal to 25 mmHg and a pulmonary capillary wedge pressure (PCWP) less than or equal to 15 mmHg at rest via right heart catheterization within 21 days before randomization, and a baseline 6-minute walk test distance greater than or equal to 100 meters and less than or equal to 450 meters (mean 349 meters). Patients were randomized to placebo or sildenafil citrate (in a fixed titration starting from 20 mg, to 40 mg and then 80 mg, three times a day) and all patients continued intravenous epoprostenol therapy.At baseline patients had PPH (80%) or PAH secondary to CTD (20%);WHO functional class I (1%), II (26%), III (67%), or IV (6%); and the mean age was 48 years, 80% were female, and 79% were Caucasian.There was a statistically significant greater increase from baseline in 6-minute walk distance at Week 16 (primary endpoint) for the sildenafil citrate group compared with the placebo group. The mean change from baseline at Week 16 (last observation carried forward) was 30 meters for the sildenafil citrate group compared with 4 meters for the placebo group giving an adjusted treatment difference of 26 meters (95% CI: 10.8, 41.2) (p = 0.0009).Patients on sildenafil citrate achieved a statistically significant reduction in mPAP compared to those on placebo. A mean placebo-corrected treatment effect of -3.9 mmHg was observed in favor of sildenafil citrate (95% CI: -5.7, -2.1) (p = 0.00003).Time to clinical worsening of PAH was defined as the time from randomization to the first occurrence of a clinical worsening event (death, lung transplantation, initiation of bosentan therapy, or clinical deterioration requiring a change in epoprostenol therapy). Table 4 displays the number of patients with clinical worsening events in Study 2. Kaplan-Meier estimates and a stratified log-rank test demonstrated that placebo-treated patients were 3 times more likely to experience a clinical worsening event than sildenafil citrate-treated patients and that sildenafil citrate-treated patients experienced a significant delay in time to clinical worsening versus placebo-treated patients (p = 0.0074).

  • Sildenafil does not cure underlying conditions causing erectile dysfunction.
  • Use caution if you have low blood pressure or cardiovascular issues.
  • Regular check-ups can help monitor effectiveness and safety.

Kaplan-Meier plot of time to clinical worsening is presented in Figure 11.Table 4.

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Clinical Worsening Events in Study 2Improvements in WHO functional class for PAH were also demonstrated in subjects on sildenafil citrate compared to placebo. More than twice as many sildenafil citrate-treated patients (36%) as placebo-treated patients (14%) showed an improvement in at least one functional New York Heart Association (NYHA) class for PAH.Study A1481243 (NCT00323297) - Sildenafil Citrate Added to Bosentan Therapy – Lack of Effect on Exercise CapacityA randomized, double-blind, placebo-controlled study was conducted in 103 patients with PAH who were on bosentan therapy for a minimum of 3 months. The PAH patients included those with primary PAH and PAH associated with CTD. Patients were randomized to placebo or sildenafil (20 mg three times a day) in combination with bosentan (62.5 mg to 125 mg twice a day). The primary efficacy endpoint was the change from baseline at Week 12 sildenafil 200 mg in 6-minute walk distance (6MWD).

  • The medication is not intended for use by women or children.
  • Effectiveness may vary depending on individual health and age.
  • Regular exercise and healthy lifestyle can improve outcomes.

The results indicate that there is no significant difference in mean change from baseline on 6MWD observed between sildenafil 20 mg plus bosentan and bosentan alone.Pediatric use information is approved for Viatris Specialty LLC’s, REVATIO (sildenafil) tablets.

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Patients with left ventricular ejection fraction less than 45% or left ventricular shortening fraction less than 0.2 also were not studied. Patients were randomized to receive placebo (n=70) or sildenafil citrate 20 mg (n = 69), 40 mg (n = 67) or 80 mg (n = 71) three times a day for a period of 12 weeks. The study population consisted of 25% men and 75% women with a mean age of 49 years (range: 18 to 81 years) and baseline 6-minute walk distance between 100 and 450 meters (mean 343). The primary efficacy endpoint was the change from baseline at week 12 (at least 4 hours after the last dose) in the 6-minute walk distance. The improvement in walk distance was apparent after 4 weeks of treatment and was maintained at week 8 and week 12.

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Change from Baseline in 6-Minute Walk Distance (meters) at Weeks 4, 8, and 12 in Study 1: Mean (95% Confidence Interval) Figure 10 displays subgroup efficacy analyses in Study 1 for the change from baseline in 6-Minute Walk Distance at Week 12 including baseline walk distance, disease etiology, functional class, gender, age, and hemodynamic parameters. Placebo-Corrected Change From Baseline in 6-Minute Walk Distance (meters) at Week 12 by study subpopulation in Study 1: Mean (95% Confidence Interval) Key: PAH = pulmonary arterial hypertension; CTD = connective tissue disease; PH = pulmonary hypertension; PAP = pulmonary arterial pressure; PVRI = pulmonary vascular resistance index; TID = three times daily. Of the 277 treated patients, 259 entered a long-term, uncontrolled extension study. Without a control group, these data must over the counter drugs containing sildenafil be interpreted cautiously. Study 2 (Sildenafil Citrate co-administered with epoprostenol) A randomized, double-blind, placebo controlled study (Study 2) was conducted in 267 patients with PAH who were taking stable doses of intravenous epoprostenol. Studies of Adults with Pulmonary Arterial Hypertension Study 1 (Sildenafil Citrate monotherapy (20 mg, 40 mg and 80 mg three times a day)) A randomized, double-blind, placebo-controlled study of sildenafil citrate (Study 1) was conducted in 277 patients with PAH (defined as a mean pulmonary artery pressure of greater than or equal to 25 mmHg at rest with a pulmonary capillary wedge pressure less than 15 mmHg). Patients with left ventricular ejection fraction less than 45% or left ventricular shortening fraction less than 0.2 also were not studied. Patients were randomized to receive placebo (n=70) or sildenafil citrate 20 mg (n = 69), 40 mg (n = 67) or 80 mg (n = 71) three times a day for a period of 12 weeks. The study population consisted of 25% men and 75% women with a mean age of 49 years (range: 18 to 81 years) and baseline 6-minute walk distance between 100 and 450 meters (mean 343). The primary efficacy endpoint was the change from baseline at week 12 (at least 4 hours after the last dose) in the 6-minute walk distance. The improvement in walk distance was apparent after 4 weeks of treatment and was maintained at week 8 and week 12.

What should I do if I forget a dose?

The improvement in walk distance was apparent after 4 weeks of treatment and was maintained at week 8 and week 12.Figure 9. Change from Baseline in 6-Minute Walk Distance (meters) at Weeks 4, 8, and 12 in Study 1: Mean (95% Confidence Interval)Figure 10 displays subgroup efficacy analyses in Study 1 for the change from baseline in 6-Minute Walk Distance at Week 12 including baseline walk distance, disease etiology, functional class, gender, age, and hemodynamic parameters.Figure 10. Placebo-Corrected Change From Baseline in 6-Minute Walk Distance (meters) at Week 12 by study subpopulation in Study 1: Mean (95% Confidence Interval)Key: PAH = pulmonary arterial hypertension; CTD = connective tissue disease; PH = pulmonary hypertension; PAP = pulmonary arterial pressure; PVRI = pulmonary vascular resistance index; TID = three times daily.Of the 277 treated patients, 259 entered a long-term, uncontrolled extension study. At the end of 1 year, 94% of these patients were still alive. Additionally, walk distance and functional class status appeared to be stable in patients taking sildenafil citrate.

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Without a control group, these data must be interpreted cautiously.Study 2 (Sildenafil Citrate co-administered with epoprostenol)A randomized, double-blind, placebo controlled study (Study 2) was conducted in 267 patients with PAH who were taking stable doses of intravenous epoprostenol. Patients had to have a mean pulmonary artery pressure (mPAP) greater than or equal to 25 mmHg and a pulmonary capillary wedge pressure (PCWP) less than or equal to 15 mmHg at rest via right heart catheterization within 21 days before randomization, and a baseline 6-minute walk test distance greater than or equal to 100 meters and less than or equal to 450 meters (mean 349 meters). Patients were randomized to placebo or sildenafil citrate (in a fixed titration starting from 20 mg, to 40 mg and then 80 mg, three times a day) and all patients continued intravenous epoprostenol therapy.At baseline patients had PPH (80%) or PAH secondary to CTD (20%);WHO functional class I (1%), II (26%), III (67%), or IV (6%); and the mean age was 48 years, 80% were female, and 79% were Caucasian.There was a statistically significant greater increase from baseline in 6-minute walk distance at Week 16 (primary endpoint) for the sildenafil citrate group compared with the placebo group. The mean change from baseline at Week 16 (last observation carried forward) was 30 meters for the sildenafil citrate group compared with 4 meters for the placebo group giving an adjusted treatment difference of 26 meters (95% CI: 10.8, 41.2) (p = 0.0009).Patients on sildenafil citrate achieved a statistically significant reduction in mPAP compared to those on placebo. A mean placebo-corrected treatment effect of -3.9 mmHg was observed in favor of sildenafil citrate (95% CI: -5.7, -2.1) (p = 0.00003).Time to clinical worsening of PAH was defined as the time from randomization to the first occurrence of a clinical worsening event (death, lung transplantation, initiation of bosentan therapy, or clinical deterioration requiring a change in epoprostenol therapy). Change from Baseline in 6-Minute Walk Distance (meters) at Weeks 4, 8, and 12 in Study 1: Mean (95% Confidence Interval) Figure 10 displays subgroup efficacy analyses in Study 1 for the change from baseline in 6-Minute Walk Distance at Week 12 including baseline walk distance, disease etiology, functional class, gender, age, and hemodynamic parameters.

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Table 4 displays the number of patients with clinical worsening events in Study 2. Kaplan-Meier estimates and a stratified log-rank test demonstrated that placebo-treated patients were 3 times more likely to experience a clinical worsening event than sildenafil citrate-treated patients and that sildenafil citrate-treated patients experienced a significant delay in time to clinical worsening versus placebo-treated patients (p = 0.0074). Kaplan-Meier plot of time to clinical worsening is presented in Figure 11.Table 4. Clinical Worsening Events in Study 2Improvements in WHO functional class for PAH were also demonstrated in subjects on sildenafil citrate compared to placebo. More than twice as many sildenafil citrate-treated patients (36%) as placebo-treated patients (14%) showed an improvement in at least one functional New York Heart Association (NYHA) class for PAH.Study A1481243 (NCT00323297) - Sildenafil Citrate Added to Bosentan Therapy – Lack of Effect on Exercise CapacityA randomized, double-blind, placebo-controlled study was conducted in 103 patients with PAH who were on bosentan therapy for a minimum of 3 months.

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The PAH patients included those with primary PAH and PAH associated with CTD. Patients were randomized to placebo or sildenafil (20 mg three times a day) in combination with bosentan (62.5 mg to 125 mg twice a day). The primary efficacy endpoint was the change from baseline at Week 12 sildenafil 200 mg in 6-minute walk distance (6MWD). The results indicate that there is no significant difference in mean change from baseline on 6MWD observed between sildenafil 20 mg plus bosentan and bosentan alone.Pediatric use information is approved for Viatris Specialty LLC’s, REVATIO (sildenafil) tablets. Studies of Adults with Pulmonary Arterial Hypertension Study 1 (Sildenafil Citrate monotherapy (20 mg, 40 mg and 80 mg three times a day)) A randomized, double-blind, placebo-controlled study of sildenafil citrate (Study 1) was conducted in 277 patients with PAH (defined as a mean pulmonary artery pressure of greater than or equal to 25 mmHg at rest with a pulmonary capillary wedge pressure less than 15 mmHg). Placebo-Corrected Change From Baseline in 6-Minute Walk Distance (meters) at Week 12 by study subpopulation in Study 1: Mean (95% Confidence Interval) Key: PAH = pulmonary arterial hypertension; CTD = connective tissue disease; PH = pulmonary hypertension; PAP = pulmonary arterial pressure; PVRI = pulmonary vascular resistance index; TID = three times daily. Of the 277 treated patients, 259 entered a long-term, uncontrolled extension study. Without a control group, these data must over the counter drugs containing sildenafil be interpreted cautiously. Study 2 (Sildenafil Citrate co-administered with epoprostenol) A randomized, double-blind, placebo controlled study (Study 2) was conducted in 267 patients with PAH who were taking stable doses of intravenous epoprostenol. Patients were randomized to placebo or sildenafil citrate (in a fixed titration starting from 20 mg, to 40 mg and then 80 mg, three times a day) and all patients continued intravenous epoprostenol therapy. At baseline patients had PPH (80%) or PAH secondary to CTD (20%);WHO functional class I (1%), II (26%), III (67%), or IV (6%); and the mean age was 48 years, 80% were female, and 79% were Caucasian.

Ingredient Quantity per Tablet Function Note
Sildenafil Citrate 50 mg Active pharmaceutical ingredient Main active component
Croscarmellose Sodium 20 mg Disintegrant Ensures tablet breaks down
Lactose Monohydrate 150 mg Filler Used as excipient
Magnesium Stearate 5 mg Lubricant Facilitates manufacturing
Microcrystalline Cellulose 100 mg Binder Holds tablet together

There was a statistically significant greater increase from baseline in 6-minute walk distance at Week 16 (primary endpoint) for the sildenafil citrate group compared with the placebo group. The mean change from baseline at Week 16 (last observation carried forward) was 30 meters for the sildenafil citrate group compared with 4 meters for the placebo group giving an adjusted treatment difference of 26 meters (95% CI: 10.8, 41.2) (p = 0.0009).

Condition Caution or Contraindication Rationale
Use of Nitrates Contraindicated Risk of dangerous blood pressure drop
Severe Liver Impairment Use with caution Altered metabolism
Cardiovascular disease Consult doctor before use Potential strain on heart
Retinal Disorders Caution; consult healthcare provider Risk of vision-related side effects

Patients on sildenafil citrate achieved a statistically significant reduction in mPAP compared to those on placebo. A mean placebo-corrected treatment effect of -3.9 mmHg was observed in favor of sildenafil citrate (95% CI: -5.7, -2.1) (p = 0.00003). Time to clinical worsening of PAH was defined as the time from randomization to the first occurrence of a clinical worsening event (death, lung transplantation, initiation of bosentan therapy, or clinical deterioration requiring a change in epoprostenol therapy). Kaplan-Meier plot of time to clinical worsening is presented in Figure 11. Improvements in WHO functional class for PAH were also demonstrated in subjects on sildenafil citrate compared to placebo. More than twice as many sildenafil citrate-treated patients (36%) as placebo-treated patients (14%) showed an improvement in at least one functional New York Heart Association (NYHA) class for PAH. Study A1481243 (NCT00323297) - Sildenafil Citrate Added to Bosentan Therapy – Lack of Effect on Exercise Capacity Pediatric use information is approved for Viatris Specialty LLC’s, REVATIO (sildenafil) tablets. 16 HOW SUPPLIED/STORAGE AND HANDLING Sildenafil Tablets USP, 20 mg, are supplied as white to off-white, round shaped film-coated tablets with debossing ‘AN 351’ on one side and plain on the other side, containing sildenafil citrate, USP equivalent to the nominally indicated amount of sildenafil.They are available as follows:NDC 50268-717-15 (10 tablets per card, 5 cards per carton)Dispensed in Unit Dose package.

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Patients were randomized to placebo or sildenafil citrate (in a fixed titration starting from 20 mg, to 40 mg and then 80 mg, three times a day) and all patients continued intravenous epoprostenol therapy. At baseline patients had PPH (80%) or PAH secondary to CTD (20%);WHO functional class I (1%), II (26%), III (67%), or IV (6%); and the mean age was 48 years, 80% were female, and 79% were Caucasian. There was a statistically significant greater increase from baseline in 6-minute walk distance at Week 16 (primary endpoint) for the sildenafil citrate group compared with the placebo group. The mean change from baseline at Week 16 (last observation carried forward) was 30 meters for the sildenafil citrate group compared with 4 meters for the placebo group giving an adjusted treatment difference of 26 meters (95% CI: 10.8, 41.2) (p = 0.0009). Patients on sildenafil citrate achieved a statistically significant reduction in mPAP compared to those on placebo.

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A mean placebo-corrected treatment effect of -3.9 mmHg was observed in favor of sildenafil citrate (95% CI: -5.7, -2.1) (p = 0.00003). Time to clinical worsening of PAH was defined as the time from randomization to the first occurrence of a clinical worsening event (death, lung transplantation, initiation of bosentan therapy, or clinical deterioration requiring a change in epoprostenol therapy). Kaplan-Meier plot of time to clinical worsening is presented in Figure 11. Improvements in WHO functional class for PAH were also demonstrated in subjects on sildenafil citrate compared to placebo. More than twice as many sildenafil citrate-treated patients (36%) as placebo-treated patients (14%) showed an improvement in at least one functional New York Heart Association (NYHA) class for PAH. For Institutional Use Only.Recommended Storage for Sildenafil Tablets, USP: Store at controlled room temperature 20° to 25°C (68° to 77°F); excursions permitted between 15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature].

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Sildenafil Tablets USP, 20 mg, are supplied as white to off-white, round shaped film-coated tablets with debossing ‘AN 351’ on one side and plain on the other side, containing sildenafil citrate, USP equivalent to the nominally indicated amount of sildenafil.

How Sildenafil Works in the Body

Study A1481243 (NCT00323297) - Sildenafil Citrate Added to Bosentan Therapy – Lack of Effect on Exercise Capacity Pediatric use information is approved for Viatris Specialty LLC’s, REVATIO (sildenafil) tablets. 16 HOW SUPPLIED/STORAGE AND HANDLING Sildenafil Tablets USP, 20 mg, are supplied as white to off-white, round shaped film-coated tablets with debossing ‘AN 351’ on one side and plain on the other side, containing sildenafil citrate, USP equivalent to the nominally indicated amount of sildenafil.They are available as follows:NDC 50268-717-15 (10 tablets per card, 5 cards per carton)Dispensed in Unit Dose package. For Institutional Use Only.Recommended Storage for Sildenafil Tablets, USP: Store at controlled room temperature 20° to 25°C (68° to 77°F); excursions permitted between 15° to 30°C (59° to 86°F) [see USP Controlled Room Temperature]. Sildenafil Tablets USP, 20 mg, are supplied as white to off-white, round shaped film-coated tablets with debossing ‘AN 351’ on one side and plain on the other side, containing sildenafil citrate, USP equivalent to the nominally indicated amount of sildenafil.

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    We would like to inform you that allcare Hausarzt-Zentren AG has been dissolved. We regret the resulting inconvenience and understand that this is a difficult situation for you.

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