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Depression in the Elderly and Cerebral Amyloid Plaques: Characterization by [18F] AV-45 Affectives Symptoms and Amyloïd Plaques (ASAP)

NCT01962753

CompletedNA

Sponsor: University Hospital, Tours

Conditions: Elderly, Major Depression

Interventions: 18FAV45

Countries: France

The primary objective of the study is to compare the brain amyloid load in fully, partially and non remitting depressed elderly patients at 8 weeks of antidepressant therapy, by using PET with \[F18\]AV45.

Eligibility overview

Sex: ALL

Age: 55 Years to —

Healthy volunteers: No

Study type: INTERVENTIONAL

Eligibility criteria

Inclusion Criteria

* Adult 55 years or older
* Native language : french
* Study period \> 7 years
* Major depression defined on the DSM-IV criteria assessed by MINI and HDRS score of 10 or over
* Affiliation to the national health insurance system
* Signed informed consent

Exclusion Criteria

* History of alcoholism or drug addiction
* MMSE less than or equal to 17
* Major depression with psychotic features
* Depressive episode resistant, patient who received two different antidepressants well conducted without significant therapeutic response
* Any current or past episode of mania, schizophrenia or any other psychotic disorder
* Any past history of stroke or Parkinson's disease
* Any current significant unstable illness
* Any past diagnosis of Alzheimer's disease
* Any current treatment by AcethylCholinesterae inhibitor, memantine or antidepressant therapy.
* Contraindications to MRI in patients with:

  1. Metallic foreign body eye.
  2. Any implanted electronic medical irremovably (pacemaker, neurostimulator, cochlear implants ...)
  3. Metal heart valve,
  4. Vascular clips formerly located on cranial aneurysm.
* Contraindications to antidepressants
* History of progressive disease that can affect the central nervous system such as uncontrolled diabetes, blood pressure greater than or equal to 180/100; chronic lung disease with hypoxia, head trauma with loss of consciousness greater than or equal to 15 minutes; brain surgery, encephalitis, recently treated cancer (\<1 year), altered cerebral metabolism including subjects with stroke sequelae extended. Patients with lacunar stroke without thalamic or striatal may be included.

Locations (10)

Besançon, France
Caen, France
Lille, France
Nice, France
Paris, France
Rennes, France
Sotteville-lès-Rouen, France
Strasbourg, France
Toulouse, France
Tours, France