Please assess the completion status of the following clinical trial:

Trial Title: The Effects of Nicotine on Cognition in Schizophrenia

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~Patients:~* DSM IV diagnosis of schizophrenia,~* age 18 - 60 inclusive,~* able to provide informed consent,~* treated with antipsychotic medications at a stable dose for at least 4 weeks,~* not treated with an investigational medication in the past 30 days,~* WRAT-3 IQ raw score greater than or equal to 35,~* non smokers for more than 3 months\*,~* normal or corrected to normal vision.~Non Smoking defined by:~1. Self report of not smoking a single cigarette in the past 3 months.~2. Salivary Cotinine level \< 30 ng/ml at screening and on the day of testing~3. Expired air CO \< 9ppm on the day of the testing~Inclusion Criteria:~Control Group:~* Age 18 - 60 inclusive,~* able to provide informed consent,~* not treated with an investigational medication in the past 30 days,~* WRAT-3 IQ raw score greater than or equal to 35,~* non smokers for more than 3 months\*,~* normal or corrected to normal vision,~* Non Smoking as defined above.~Exclusion Criteria:~Patients:~* Use of any nicotine containing product in the past 3 months by self report,~* use of cholinesterase inhibitors such as galantamine in the past 3 months,~* untreated ischaemic heart disease,~* uncontrolled hypertension,~* current unstable serious medical illness (renal, neoplastic, hematological),~* allergy to patches.~* Currently or planning to be pregnant in the next 8 weeks, as verified by positive pregnancy test, or childbearing potential and not using adequate contraception. Those not of childbearing potential include post-menopausal, surgically sterilized, and male participants.~* Substance abuse in the past month: self-reported, diagnosed during chart review, and verified by a positive salivary test for cotinine, cocaine, methamphetamine, amphetamine, ethanol, TCH, opiates or PCP at screen.~* Recent deterioration in mental state, current major depressive disorder, history of cognitive impairment secondary to other disorders such as head injury, dementia, general medical condition, diagnosis of mental retardation~Exclusion criteria:~Controls:~* Past or present DSM IV diagnosis of schizophrenia, schizoaffective disorder, major depression, bipolar disorder, or mental retardation.~* First degree relative with diagnosis of schizophrenia or schizoaffective disorder,~* use of cholinesterase inhibitors such as galantamine in the past 3 months,~* untreated ischaemic heart disease,~* uncontrolled hypertension,~* current unstable serious medical illness (renal, neoplastic, hematological,)~* allergy to patches,~* currently or planning to be pregnant in the next 8 weeks, as verified by positive pregnancy test, or childbearing potential and not using adequate contraception. Those not of childbearing potential include post-menopausal, surgically sterilized, and male participants.~* Substance abuse in the past month: self-reported, diagnosed during chart review, and verified by a positive salivary test for cotinine, cocaine, methamphetamine, amphetamine, ethanol, TCH, opiates and PCP at screen.~* History of cognitive impairment secondary to other disorders such as head injury, dementia, general medical condition

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 60 Years
- Healthy Volunteers: t

Study Arms:
- Nicotine Patch (Type: ACTIVE_COMPARATOR): None
- Placebo Nicotine Patch (Type: PLACEBO_COMPARATOR): None

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

Answer: outcome: complete