Double-Blinded, Vehicle-Controlled Proof of Concept Study to Investigate the Recurrence of Inflammatory and Noninflammatory Acne Lesions Using Tretinoin Gel (Microsphere) 0.04% in Male Patients after Oral Isotretinoin Use

Table 9

Mean Local Tolerability Assessments (LTA) (Investigator).

LTA	Baseline	Week 4	Week 8	Week 16	Week 24
Active (Range)	0 (0)	0.6 (0–3)	0.2 (0–2)	0.4 (0–4)	0.3 (0-1)
Vehicle (Range)	0 (0)	0.1 (0-1)	0.1 (0-1)	0.3 (0–2)	0.2 (0–2)