描述
Product Specifications
Attribute | Details |
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Product Name | Vardenafil Hydrochloride Tablets (Wei?Er?Ting®) |
Generic Name | Vardenafil Hydrochloride |
CAS Number | 224785?90?4 (base) / 330808?88?3 (HCl trihydrate) chemicalbook.com+14go.drugbank.com+14medchemexpress.com+14 |
Molecular Formula | C??H??N?O?S · HCl · 3H?O (trihydrate) |
Molecular Weight | ~579.1?g/mol |
Dosage Form | Film-coated oral tablet |
Strength | 20?mg per tablet |
Pack Size | 4 tablets per box |
Approval Number | China NMPA H20244792 |
Product Code | 86904339000956 |
Manufacturer | Anhui Pioneer Pharmaceutical Co., Ltd. |
Barcode | 6953780000415 |
Storage Conditions | Store at 15–25?°C; protect from light and moisture |
Intended Use | Laboratory/preclinical research only |
Mechanism of Action
Vardenafil inhibits PDE5 selectively, preventing cGMP breakdown and enhancing NO-mediated smooth muscle relaxation in penile corpora cavernosa and vasculature.
Research Applications & Pharmacology
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Erectile Dysfunction (ED) & Andrology Models: Extensively utilized to study sexual function, vascular physiology, and smooth muscle mechanisms .
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Cardiovascular & Pulmonary Research: Used to investigate vasodilatory responses and pulmonary hypertension models.
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Comparative Analysis: Demonstrates higher potency (~0.7?nM IC?? for PDE5) and selectivity over sildenafil and tadalafil .
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Pharmacokinetics: Oral bioavailability ~15%, protein binding ~95%, hepatic metabolism via CYP3A4, half-life 4–5 hours en.wikipedia.org+1ru.wikipedia.org+1.
Safety Profile & Handling
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Adverse Effects: Headache, flushing, nasal congestion, back pain, dizziness; rare hypotension, QT prolongation .
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Drug Interactions & Contraindications: Avoid use with nitrates, alpha-blockers, or CYP3A4 inhibitors in in vivo studies; monitor cardiovascular parameters .
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Handling Instructions: Use PPE, store under recommended conditions, discard expired tablets per lab protocols.
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Lab Safety: Not for human/animal administration; research-only. Discard per institutional biosafety guidelines.
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