৳ 80/unit
Pack: ৳ 240
৳ 80/unit
Pack: ৳ 240
At a glance
Revefenacin is a long-acting muscarinic antagonist (LAMA) used for the maintenance treatment of chronic obstructive pulmonary disease (COPD). It is inhaled once daily via nebulizer and provides bronchodilation.
Indications
- Maintenance treatment of chronic obstructive pulmonary disease (COPD)
Pharmacology
Revefenacin is a long-acting muscarinic antagonist with similar affinity for M1-M5 receptors. It inhibits M3 receptors on airway smooth muscle, causing bronchodilation. Preclinical models showed dose-dependent prevention of methacholine- and acetylcholine-induced bronchoconstrictive effects lasting over 24 hours.
Dosage
Adult Dose (Inhalation):
- COPD maintenance: 175 mcg (one unit-dose vial) once daily via nebulizer using a mouthpiece
- Administer at the same time each day
- Hepatic impairment: Safety not evaluated; not recommended in any degree of hepatic impairment
- Renal impairment: No dosage adjustment required
Side effects
Side Effects (1-10%):
- Cough (4%)
- Nasopharyngitis (4%)
- Headache (4%)
- Upper respiratory tract infection (3%)
- Back pain (2%)
- Hypertension (1-2%)
- Dizziness (1-2%)
- Oropharyngeal pain (1-2%)
- Bronchitis (1-2%)
Use in pregnancy
Use in Pregnancy: No data on use in pregnant women; advise to contact physician if pregnancy occurs; animal studies showed no evidence of fetal harm.
Pregnancy Category: C — always consult a doctor before taking during pregnancy.
Precautions & warnings
- Do not initiate during acutely deteriorating or life-threatening COPD episodes
- Intended for maintenance treatment; not for relief of acute symptoms
- Paradoxical bronchospasm may occur (life-threatening); treat with short-acting bronchodilator and discontinue
- Caution in narrow-angle glaucoma (eye pain, blurred vision, visual halos) and urinary retention (prostatic hyperplasia)
- Immediate hypersensitivity reactions: Discontinue
Overdose effects
Overdose: Anticholinergic signs and symptoms (nausea, vomiting, dizziness, blurred vision, increased intraocular pressure, fatigue, difficulty voiding); treatment: symptomatic supportive care.
Storage conditions
Store below 30°C in a dry place, protected from direct sunlight; discard ampoule and other part after use; keep out of reach of children.