Please assess the completion status of the following clinical trial:

Trial Title: Extended Cessation Treatment for Teen Smokers

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~Age 14-18 at the beginning of the study~Smoking at least 10 cigarettes per day~At least one quit attempt in previous 6mos~Exclusion Criteria:~Current DSM-IV disorder (depression, panic disorder, social anxiety disorder and agoraphobia)~Current self report of daily or heavy use (more than three times per week) of any drugs (marijuana, alcohol, cocaine, opiates, stimulants, etc.)~Positive urine pregnancy test~Currently on bupropion (Wellbutrin, Wellbutrin SR, Zyban) or other antidepressants, MAOI's, antipsychotics, benzodiazepines~Currently on NRT~Currently receiving formal treatment for substance abuse problem, depression or anxiety

- Gender: ALL
- Minimum Age: 14 Years
- Maximum Age: 18 Years
- Healthy Volunteers: t

Study Arms:
- Extended treatment (Type: EXPERIMENTAL): extended cognitive behavioral treatment for smoking cessation; Participants receive an additional 9 sessions of cognitive behavior therapy
- Control group (Type: NO_INTERVENTION): Monthly follow-up phone calls for assessment purposes and to control for potential therapeutic effects associated with continued contact

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