TADALAFIL 20MG 60 TAB
Generic: Tadalafil
TADALAFIL 20MG 60 TAB
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Identification
Tadalafil
Tadalafil
Ajanta Pharma USA Inc.
HUMAN PRESCRIPTION DRUG
Administration
TABLET
ORAL
ANDA210392
Active Ingredients
| Ingredient | Strength |
|---|---|
| TADALAFIL | 20 mg/1 |
Pharmacological Class
Data sourced from openFDA / DailyMed. For full prescribing information, consult the drug label.
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Clinical Drug Information
Indications & Usage
1 INDICATIONS AND USAGE Tadalafil is a phosphodiesterase 5 (PDE5) inhibitor indicated for the treatment of pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability. Studies establishing effectiveness included predominately patients with NYHA Functional Class II – III symptoms and etiologies of idiopathic or heritable PAH (61%) or PAH associated with connective tissue diseases (23%). ( 1.1 ) 1.1 Pulmonary Arterial Hypertension Tadalafil Tablets are indicated for the treatment of pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability. Studies establishing effectiveness included predominately patients with NYHA Functional Class II – III symptoms and etiologies of idiopathic or heritable PAH (61%) or PAH associated with connective tissue diseases (23%).
Dosage & Administration
2 DOSAGE AND ADMINISTRATION 40 mg once daily, with or without food. ( 2.1 ) Dividing the dose (40 mg) over the course of the day is not recommended. ( 2.1 ) Use with ritonavir requires dosage adjustments. ( 2.4 ) 2.1 Pulmonary Arterial Hypertension The recommended dose of tadalafil tablets is 40 mg (two 20 mg tablets) taken once daily with or without food. Dividing the dose (40 mg) over the course of the day is not recommended. 2.2 Dose Adjustment in Renal Impairment Mild (creatinine clearance 51 mL/min to 80 mL/min) or moderate (creatinine clearance 31 mL/min to 50 mL/min): Start dosing at 20 mg once daily. Increase to 40 mg once daily based on individual tolerability. Severe (creatinine clearance less than 30 mL/min and on hemodialysis): Avoid use of tadalafil tablets because of increased tadalafil exposure (AUC), limited clinical experience, and the lack of ability to influence clearance by dialysis [see Use in Specific Populations ( 8.6 )] . 2.3 Dose Adjustment in Hepatic Impairment Mild or moderate (Child Pugh Class A or B): Because of limited clinical experience in patients with mild to moderate hepatic cirrhosis, consider a starting dose of 20 mg once per day. Severe (Child Pugh Class C): Patients with severe hepatic cirrhosis have not been studied. Avoid use of tadalafil tablets [see Use in Specific Populations ( 8.7 )] . 2.4 Dose Adjustment for Use with Ritonavir Co-administration of tadalafil tablets in Patients on Ritonavir In patients receiving ritonavir for at least one week, start tadalafil tablets at 20 mg once daily. Increase to 40 mg once daily based upon individual tolerability [see Drug Interactions ( 7.5 ) and Clinical Pharmacology ( 12.3 )] . Co-administration of Ritonavir in Patients on Tadalafil tablets Avoid use of tadalafil tablets during the initiation of ritonavir. Stop tadalafil tablets at least 24 hours prior to starting ritonavir. After at least one week following the initiation of ritonavir, resume tadalafil tablets at 20 mg once daily. Increase to 40 mg once daily based upon individual tolerability [see Drug Interactions ( 7.5 ) and Clinical Pharmacology ( 12.3 )] .
Adverse Reactions
6 ADVERSE REACTIONS The following serious adverse reactions are discussed elsewhere in the labeling: Hypotension [see Warnings and Precautions ( 5.1 )] Visual Loss [see Warnings and Precautions ( 5.3 ) and Patient Counseling Information ( 17 )] Hearing loss [see Warnings and Precautions ( 5.4 )] Priapism [see Warnings and Precautions ( 5.6 )] The most common adverse reaction is headache. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Ajanta Pharma USA Inc. at 1-855-664-7744 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Tadalafil was administered to 398 patients with PAH during clinical trials worldwide. In trials of tadalafil tablets, a total of 311 and 251 subjects have been treated for at least 182 days and 360 days, respectively. The overall rates of discontinuation because of an adverse event (AE) in the placebo-controlled trial were 9% for tadalafil tablets 40 mg and 15% for placebo. The rates of discontinuation because of AEs, other than those related to worsening of PAH, in patients treated with tadalafil tablets 40 mg was 4% compared to 5% in placebo-treated patients. In the placebo-controlled study, the most common AEs were generally transient and mild to moderate in intensity. Table 1 presents treatment-emergent adverse events reported by greater than or equal to 9% of patients in the tadalafil tablets 40 mg group and occurring more frequently than with placebo. Table1: Treatment-Emergent Adverse Events Reported by greater than or equal to 9% of Patients in tadalafil tablets and More Frequent than Placebo by 2% EVENT Placebo (%) (N=82) Tadalafil tablets 20 mg (%) (N=82) Tadalafil tablets 40 mg (%) (N=79) Headache 15 32 42 Myalgia 4 9 14 Nasopharyngitis 7 2 13 Flushing 2 6 13 Respiratory Tract Infection (Upper and Lower) 6 7 13 Pain in Extremity 2 5 11 Nausea 6 10 11 Back Pain 6 12 10 Dyspepsia 2 13 10 Nasal Congestion (Including sinus congestion) 1 0 9 6.2 Postmarketing Experience The following adverse reactions have been identified during post-approval use of tadalafil. These events have been chosen for inclusion either because of their seriousness, reporting frequency, lack of clear alternative causation, or a combination of these factors. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to estimate reliably their frequency or establish a causal relationship to drug exposure. The list does not include adverse events that are reported from clinical trials and that are listed elsewhere in this section. Cardiovascular and cerebrovascular — Serious cardiovascular events, including myocardial infarction, sudden cardiac death, stroke, chest pain, palpitations, and tachycardia, have been reported postmarketing in temporal association with the use of tadalafil [ see Contraindications ( 4.1 )] . Most, but not all, of these patients had preexisting cardiovascular risk factors. Many of these events were reported to occur during or shortly after sexual activity, and a few were reported to occur shortly after the use of tadalafil without sexual activity. Others were reported to have occurred hours to days after the use of tadalafil and sexual activity. It is not possible to determine whether these events are related directly to tadalafil, to sexual activity, to the patient’s underlying cardiovascular disease, to a combination of these factors, or to other factors. Body as a whole — Hypersensitivity reactions including urticaria, Stevens–Johnson syndrome, and exfoliative dermatitis Nervous — Migraine, seizure and seizure recurrence, and transient global amnesia Ophthalmologic — Visual field defect, retinal vein occlusion, retinal artery occlusion, and NAION [see Warnings and Precautions ( 5.3 ) and Patient Counseling Information ( 17 )]. Otologic — Cases of sudden decrease or loss of hearing have been reported postmarketing in temporal association with the use of PDE5 inhibitors, including tadalafil. In some of the cases, medical conditions and other factors were reported that may have also played a role in the otologic adverse events. In many cases, medical follow-up information was limited. It is not possible to determine whether these reported events are related directly to the use of tadalafil, to the patient’s underlying risk factors for hearing loss, a combination of these factors, or to other factors [see Warnings and Precautions ( 5.4 ) and Patient Counseling Information ( 17 )] . Urogenital — Priapism [see Warnings and Precautions ( 5.6 )] .
Information for Patients
17 PATIENT COUNSELING INFORMATION See FDA-Approved Patient Labeling (Patient Information) Inform patients of contraindication of tadalafil tablets with any use of organic nitrates or GC stimulators. Inform patients that tadalafil is also marketed as CIALIS for erectile dysfunction (ED) and for the signs and symptoms of benign prostatic hyperplasia (BPH). Advise patients taking tadalafil tablets not to take CIALIS or other PDE5 inhibitors. Advise patients to seek immediate medical attention in the event of a sudden loss of vision in one or both eyes while taking tadalafil tablets. Such an event may be a sign of NAION. Also discuss with patients that there is an increased risk of NAION in individuals who have already experienced NAION in one eye, including whether such individuals could be adversely affected by use of vasodilators such as PDE5 inhibitors. Advise patients to seek prompt medical attention in the event of sudden decrease or loss of hearing while taking tadalafil tablets. These events may be accompanied by tinnitus and dizziness. Product of India Manufactured by: Ajanta Pharma Limited, India Marketed by: Ajanta Pharma USA Inc. Bridgewater, NJ 08807. # All trademarks are the properties of their respective owners.
Clinical data sourced from openFDA drug labeling. For complete prescribing information, consult the full drug label.