Please assess the completion status of the following clinical trial:

Trial Title: Stimulant Abuser Groups to Engage in 12-Step

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* seeking outpatient treatment for stimulant abuse or dependence~* current diagnosis of stimulant abuse or dependence~* willing to participate in the protocol~Exclusion Criteria:~* not sufficiently medically or psychiatrically stable~* pending legal action that would inhibit their participation in the study~* in need of detoxification from opiates

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- STAGE-12 (Type: EXPERIMENTAL): STAGE-12 received 3 individual and 5 group 12-step facilitation sessions focusing on 12-step principles plus an intensive referral in which counselors linked participants to community-based 12-step volunteers. These sessions took the place of 3 individual and 5 group sessions in the standard intensive outpatient drug treatment program and were integrated into treatment as usual.
- Treatment as Usual (Type: ACTIVE_COMPARATOR): Treatment as usual received standard care provided in intensive outpatient drug treatment program without the STAGE-12 components.

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