What question did this study set out to answer?

The aim is to develop a reliable RP-HPLC strategy for quality control of a phosphodiesterase-5 inhibitor.

Integrated Stability-Indicating RP-HPLC Strategy for Comprehensive Quality Control of a Phosphodiesterase-5 Inhibitor in Solid Pharmaceutical Dosage Forms

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Demonstrates an integrated RP-HPLC approach that assesses quality control in solid dosage forms, implying improved pharmaceutical standards.

The aim is to develop a reliable RP-HPLC strategy for quality control of a phosphodiesterase-5 inhibitor.
Utilized a C18 column for chromatographic separation under optimized conditions.
Validated the method according to ICH Q2(R2) guidelines.
Conducted forced degradation studies under various stress conditions.
Achieved sufficient resolution between the active ingredient and degradation products.
Demonstrated method sensitivity and robustness through validation parameters.
Confirmed stability under acidic, alkaline, oxidative, and thermal conditions.

Omari et al. (2026) studied this question.

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Demonstrates an integrated RP-HPLC approach that assesses quality control in solid dosage forms, implying improved pharmaceutical standards.