Please assess the completion status of the following clinical trial:

Trial Title: Relationship Between Protein Biomarkers in Cerebrospinal Fluid and Alzheimer&Apos;s Disease in Patients With Depression

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* \>= 60 years.~* GDS (Reisberg Gobal Dementia Scale) of 2 to 3.~* Geriatric Depression Scale of Yesavage \>=12.~* History of previous depressive episodes resolved, but the emotional situation 15 months before inclusion, necessarily have to be normal.~Exclusion Criteria:~* Established dementia of any cause, or secondary degenerative dementia of any origin~* Primary diagnosis of cognitive impairment with psychiatric illness (schizophrenia , bipolar disorder, personality disorders ... )~* Dual diagnosis of chronic depression, dysthymia more than 15 months duration, or major depression with psychotic or atypical symptoms~* Neuroimaging with significant chronic vascular involvement~* To take drugs with known side effects on cognition and it is suspected that the neuropsychological deficits.~* Moderate or severe sensory deprivation or functional illiteracy in the neuropsychological study can not be performed~* Neoplastic diseasesContraindication to performing a lumbar puncture

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

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