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This study developed two sensitive chromatographic methods for determining finasteride and tamsulosin hydrochloride in pharmaceutical forms, validated against International Conference on Harmonisation guidelines.

This study reports that two novel chromatographic methods demonstrated high sensitivity and selectivity for determining aminexil, niacinamide, and pyridoxine HCl in a laboratory-prepared mixture and hair tonic preparation.

In this study, a validated chromatographic method demonstrated the ability to simultaneously analyze gemcitabine and olaparib in pancreatic cancer tissues, supporting the advancement of pharmaceutical formulations combining these drugs, particularly for patients with BRCA mutations.

This study developed and validated an HPLC-UV method for accurately quantifying clobetasol propionate in skin and hair follicles, demonstrating its application in in vitro permeation experiments.

This study developed and validated a method using hair samples to simultaneously detect bisphenols and parabens, enabling the quantification of these endocrine disruptors in a hospital population’s hair.

Validated method reliably measures finasteride in tablets using liquid chromatography.

This study developed a method using LC/APCI-MS to measure the activity of steroid 5α-reductase, applied to kinetic studies and inhibitory tests with Finasteride in a rat prostatic enzyme model.

New method effectively analyzes finasteride and its stability.

This study developed and validated a Gas Chromatography-Flame Ionization Detection method for assessing minoxidil, which shows good precision, accuracy, and specificity for quality control and pharmacokinetic studies.

This study identified optimal parameters for extracting oil from Urtica dioica roots to maximize phytosterol content, using corn oil and a 1:5 raw material-extract ratio over a 6-hour maceration period.

This study developed a micellar electrokinetic capillary chromatography method for determining minoxidil in Rogaine and generic products, offering a simple and efficient alternative to HPLC.

This study developed a sensitive method to precisely determine hair lipid composition, demonstrating specific lipid changes from the root to the tip in untreated hair fibers from two women.

This study developed and validated a reliable method to measure finasteride levels in human plasma, which was successfully used to assess its pharmacokinetics after a 5 mg dose in healthy volunteers.

This study found that the proposed LC-MS/MS method accurately quantified the drug content in split tablets of finasteride and terbinafine, revealing significant variability and suggesting that non-scored tablets should not be split.

This study developed methods for detecting carboxy-finasteride in urine for doping control, demonstrating detection up to 49 hours post-administration with high precision and accuracy.

This study developed and validated a micellar electrokinetic chromatography method to determine finasteride stability, finding that the drug degrades under acidic, basic, and oxidative stress conditions.

This study successfully established and validated a method using LC-MS/MS to measure multiple androgens in plasma, finding that individuals with acne had higher levels of certain androgens compared to those with obesity.

Researchers created a reliable method to measure dexpanthenol and resorcinol in hair products.

This study presents a novel assay that allows for the simultaneous measurement of various androgens and 5α-reductase inhibitors in male serum, facilitating research into the biochemical effects of these inhibitors.

This study developed and validated an HPLC method for detecting a novel 5α-reductase inhibitor in human plasma, supporting its pharmacokinetic evaluation at low doses.

This study describes a fast LC/MS/MS method for detecting various synthetic drugs in urine, meeting World Anti-Doping Agency performance limits.

This study found that enzyme activity related to cancer induction by polycyclic aromatic hydrocarbons can be increased by using a shampoo containing crude coal tar and significantly inhibited by imidazole compounds in human hair follicles.

This study developed and validated a sensitive liquid chromatography–mass spectrometry method to measure aristolochic acid‐I in rat plasma, successfully applying it to pharmacokinetic research.

This study developed and validated a reliable method using chromatography and mass spectrometry to accurately measure finasteride levels in human plasma.

This study developed a simple and cost-effective chromatographic method for simultaneously analyzing betamethasone dipropionate and calcipotriol, achieving rapid separation within 7 minutes suitable for routine applications.

This study found that prepubertal girls have significantly higher levels of estrogens and androgen metabolites compared to age-matched boys, which may contribute to their earlier onset of puberty.

Method detects finasteride in plasma at very low concentrations.

Accurate method measures finasteride levels in human plasma using gas chromatography-mass spectrometry.

This study reports that dutasteride, used alone or with tamsulosin, effectively reduces acute urine retention and surgery risk in men with benign prostatic hyperplasia, and may lower prostate cancer incidence, suggesting potential chemopreventive benefits.

This study reported that a liquid-liquid extraction method using methyl tert-butyl ether and methylene chloride was most effective for extracting dutasteride and its internal standard from rat plasma.