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 7

Mean Investigator’s Static Global Assessment.

ISGA	Baseline	Week 4	Week 8	Week 16	Week 24
Active (range)	0 (0)	0.1 (0-1)	0.3 (0-1)	0.43 (0-1)	0.33 (0-1)
Vehicle (range)	0 (0)	0.3 (0.1)	0.5 (0-1)	0.43 (0-1)	0.33 (0-1)