“…The present study revealed a statistically significant reduction of TLC (P = 0.008) and NIL (P = 0.002) from the baseline in group II than in group I (due to the comedolytic activity of adapalene in the combination gel). These two findings were compatible with the findings obtained from a previous study, 10 which revealed a significantly greater reduction of total (P <0.001), and non-inflammatory lesions (P <0.001) in clindamycin plus adapalene group than in the clindamycin plus vehicle group at week 12. The findings in the present study were also comparable with the findings obtained from a 2-phase, 24-week, multicenter, randomized, investigator-blind study performed by Zhang et al in 2004, which evaluated the efficacy and safety of adapalene 0.1% gel plus clindamycin topical 1% solution versus clindamycin topical 1% solution alone during the initial 12-week phase of treatment, and revealed a statistically significant greater reduction in total lesion counts from week four until week 12, and from week eight on for non-inflammatory lesion count (P <0.05) for the combination therapy compared with monotherapy.…”