Please assess the completion status of the following clinical trial:

Trial Title: A Phase II Trial of 18F-AV-45 Positron Emission Tomography (PET) Imaging in Healthy Volunteers, Patients With Mild Cognitive Impairment (MCI) and Patients With Alzheimer's Disease (AD)

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: DIAGNOSTIC
- Time Perspective: None
- Masking: SINGLE
- Phase: PHASE2
- Number of Arms: 3.0

Eligibility Criteria:
Inclusion Criteria AD:~* Male or female \>=50 years of age~* Meet National Institute of Neurological and Communicative Diseases and Stroke/Alzheimer's Disease and Related Disorders Association (NINCDS) criteria for probable AD with MMSE score of 10-24~Inclusion Criteria MCI:~* Male or female \>=50 years of age~* Have a Clinical Dementia Rating (CDR) of 0.5~* MMSE \>24~Normal subjects:~* Male or female \>=50 years of age~* MMSE \>=29~* Normal on psychometric test battery at screening~* Provide informed consent~Exclusion Criteria:~* Have a history or current diagnosis of other neurologic disease~* Have had or currently have a diagnosis of other neurodegenerative disease~* Have participated in experimental therapy targeted to amyloid plaque

- Gender: ALL
- Minimum Age: 50 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- AD subjects (Type: EXPERIMENTAL): None
- MCI Subjects (Type: EXPERIMENTAL): MCI (mild cognitive impairment)
- Healthy controls (Type: EXPERIMENTAL): None

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