The Effects of Once-Daily Tretinoin 0.05% Lotion on Quality
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In two phase III clinical trials of patients with moderate-to-severe acne, tretinoin 0.05% lotion reduced inflammatory and noninflammatory lesions relative to vehicle lotion, with low potential for cutaneous irritation.

Data from these studies were analyzed post hoc to investigate the effects of tretinoin 0.05% lotion on patient-reported quality of life, as assessed using the Acne-Specific Quality of Life Questionnaire (Acne-QoL).

Mean changes from baseline to week 12 in Acne-QoL scores were analyzed in the pooled intent-to-treat population and a subgroup with treatment success (more than 2-grade improvement on the Evaluator’s Global Severity Scale and rating of “clear” or “almost clear”). Pearson correlations were conducted in the pooled intent-to-treat population to assess the relationship between the Acne-QoL acne symptoms domain and each of the other three domains.

Results:
In the pooled intent-to-treat population (n = 1640), greater mean improvements were found with tretinoin 0.05% lotion vs vehicle in all four domains:
self-perception (mean change: 7.4 vs 6.7);
role-emotional (6.8 vs 6.0);
role-social (4.8 vs 4.6);
acne symptoms (6.5 vs 5.6).
Relative to the intent-to-treat population, participants who experienced treatment success with tretinoin 0.05% lotion had higher (better) mean Acne-QoL scores at week 12. Correlations between acne symptoms and the other three domains were found at baseline and week 12.

Conclusively, participants with moderate-to-severe acne reported better quality of life after 12 weeks of treatment with tretinoin 0.05% lotion. Clinical improvements in acne symptoms may have contributed to these outcomes.

Source: https://link.springer.com/article/10.1007/s40257-020-00559-3
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