Testosterone 2% gel can normalize testosterone concentrations in men with low testosterone regardless of body mass index
Abstract
INTRODUCTION: Little is known about the effect of body mass index (BMI) on the efficacy and safety of testosterone therapy in hypogonadal men. A prior noncomparative trial demonstrated that testosterone 2% gel restored testosterone levels in hypogonadal men and was generally well tolerated.
AIM: This post hoc analysis evaluated the influence of BMI on the pharmacokinetics of testosterone therapy in men with low testosterone.
METHODS: Men (N = 149) aged 18-75 applied testosterone 2% gel to the front and inner thigh once daily for 90 days. Starting dose was 40 mg/day, which could be adjusted at days 14, 35, and 60. Patients were split into categories depending on baseline BMI: Tertile 1 (≤ 29.1 kg/m(2)), Tertile 2 (29.2-32.4 kg/m(2)), and Tertile 3 (>32.4 kg/m(2)).
MAIN OUTCOME MEASURES: Efficacy end points were average serum total testosterone concentrations over 24 hours and maximum serum testosterone concentrations at day 90. Adverse events were recorded.
RESULTS: The efficacy analysis included 129 men with low testosterone (mean age 52.9, 54.0, and 54.2 years for Tertiles 1, 2, and 3, respectively) defined as serum testosterone <250-300 ng/dL. Baseline testosterone levels were comparable across BMI tertiles. After 90 days of treatment with testosterone 2% gel (≥ 40 mg/day), 79.1%, 79.5%, and 73.8% of patients in Tertiles 1, 2, and 3, respectively, achieved serum testosterone concentrations in the physiologic range (i.e., ≥ 300 to ≤ 1,140 ng/dL). The mean average daily dose…
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 149 participants or records.
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