Please assess the completion status of the following clinical trial:

Trial Title: Use of Saliva for Alzheimer's Disease Diagnosis

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: OTHER
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Men/Women;~* Aged ≥ 55 years and 80 years;~* Patients mild cognitive impairment (MCI), not answering either the criteria of a normal cognitive functioning or the criteria of the insanity, but meeting the criteria of diagnosis of following MCI in the term of a complete cognitive balance sheet (assessment) and according to the diagnostic procedure published by the work group on the MCI of the EADC:~  * Mnesic complaint~ * Decline of the cognitive performances with regard to the previous capacities~ * Cognitive disorders(confusions) objectified by the clinical evaluation (change of the memory and/or another cognitive sphere)~ * The cognitive change has no echo on the everyday life~ * Not dementia syndrome~* Signature of the informed consent by the patient;~* Subject affiliated to a national insurance scheme.~Exclusion Criteria:~* Edentulous total or poor oral hygiene;~* Absence of the signed informed consent;~* Clinical and laboratory information insufficient or unavailable;~* Patient deprived of freedom, by court or administrative order;~* Major protected by law;~* Presence of a contagious viral affection (HIV, hepatitis B and C);~* Patient included in a therapeutic trial targeting the metabolism of metabolism of amyloid peptides ;~* Patient in period of relative exclusion with regard to another protocol or for which the annual maximum amount of the 4500-compensations was reached.

- Gender: ALL
- Minimum Age: 55 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- Patients with Alzheimer disease (Type: OTHER): Saliva samples were collected on this patients

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