Please assess the completion status of the following clinical trial:

Trial Title: N-Acetyl Cysteine in Pathologic Skin Picking

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

Eligibility Criteria:
Inclusion Criteria:~1. Men and women age 18-65;~2. Current diagnosis of pathologic skin picking as determined by criteria proposed by Arnold et al. (2001) for at least 6 months duration~Exclusion Criteria:~1. Unstable medical illness or clinically significant abnormalities on prestudy laboratory tests or physical examination;~2. History of seizures;~3. Myocardial infarction within 6 months;~4. Current pregnancy or lactation, or inadequate contraception in women of childbearing potential;~5. Need for medication other than NAC with possible psychotropic effects or unfavorable interactions with NAC;~6. Clinically significant suicidality (score or 3 or 4 on item 3 of the Hamilton Depression Rating Scale);~7. Lifetime history of DSM-IV bipolar disorder type I, dementia, or schizophrenia or any other DSM-IV psychotic disorder;~8. Current or recent (past 3 months) DSM-IV substance abuse or dependence;~9. Illegal substance use within 2 weeks of study initiation;~10. Initiation of pharmacotherapy, psychotherapy, or behavior therapy from a mental health professional within 3 months prior to study baseline for the treatment of pathologic skin picking;~11. Previous treatment with N-acetyl cysteine;~12. Treatment with investigational medication or depot neuroleptics within 3 months, with fluoxetine within 6 weeks, or with other psychotropics within 2 weeks prior to study baseline;~13. Asthma (given possible worsening of asthma due to NAC)

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 64 Years
- Healthy Volunteers: f

Study Arms:
- N-Acetyl Cysteine (Type: ACTIVE_COMPARATOR): N-Acetyl Cysteine - 600mg tablets by mouth (dosing 1200mg - 3000mg qd)
- Placebo (Type: PLACEBO_COMPARATOR): Matching placebo taken daily

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