Please assess the completion status of the following clinical trial:

Trial Title: Adapalene Gel 0.3% in the Treatment of Atrophic Acne Scars

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Male or female subjects of any race, aged 18 to 50 years inclusive~* Subjects with a past history of acne and with moderate to severe facial atrophic acne scars~Exclusion Criteria:~* Subjects with active inflammatory acne lesions~* Subjects with hypertrophic acne scars

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 50 Years
- Healthy Volunteers: f

Study Arms:
- Differin 0.3% (Type: EXPERIMENTAL): Differin® 0.3% Gel~Adapalene 0.3%~Topical to the face, once daily application in the evening for the first four weeks and twice daily application in the morning and in the evening for the following 20 weeks.

Based on this trial design, predict the completion outcome and termination type (if applicable).