Positron Emission Tomography (PET) Study With [18F]AZD4694 and [11C]AZD2184, Candidate PET Ligands for Aβ Amyloid (PET)

October 21, 2009 updated by: AstraZeneca

Open Label Positron Emission Tomography Study With [18F]AZD4694 and [11C]AZD2184, Candidate Radioligands for AB Amyloid, to Determine and Compare in Vivo Brain Uptake and Distribution in Healthy Volunteers and Patients With Alzheimer's Disease

The study is carried out in order to investigate if [18F]AZD4694, compared to [11C]AZD2184, is a suitable PET ligand for in vivo imaging of Aβ amyloid depositions in the human brain. In the study the two PET ligands will be examined in both healthy volunteers and patients with Alzheimer's Disease. A whole body dosimetry scanning will be performed in 6 healthy volunteers to obtain human data to estimate a safe dose.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Anticipated)

26

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Sweden
      • Huddinge, Sweden
        • Research Site
      • Stockholm, Sweden
        • Research Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

50 years to 85 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Alzheimer's Disease patients - 50-85 years, mild to moderate AD: MMSE ≥16 and ≤ 26, clinical progression of AD over 12 months.
  • Healthy volunteers: - 50-75 years
  • BMI 18 and 30 m2/kg
  • Clinically normal physical findings including supine blood pressure and pulse rate.

Exclusion Criteria:

  • Alzheimer's Disease patients - Clinically significant illness the 2 weeks prior to the administration of the PET ligand
  • Significant cerebrovascular disease or depression, central nervous system infarct or infection or lesions
  • Administration of any investigational product within 3 months prior to study and/or PET measurements for scientific purposes within the last 12 months.
  • Healthy volunteers - clinically significant illness within 2 weeks before administration of PET ligand, history of psychiatric or somatic disease/condition that may interfere, first degree relative with dementia. Obvious deterioration of memory functions.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: BASIC_SCIENCE
  • Allocation: NON_RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: NONE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
EXPERIMENTAL: 1
Drug: radioligand [18F]AZD4694
single dose of iv. admin. 1-2 times per subject
Drug: radioligand [11C]AZD2184
single dose of iv admin. 1 time per subject

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Positron emission tomography using the radioligand [18F]AZD4694 and/or [11C]AZD2184
Time Frame: Radioligand [18F]AZD4694: 1-2 PET examinations for AD patients and 1 PET examination for healthy volunteers. Whole body dosimetri for some healthy volunteers. - Radioligand [11C]AZD2184: 1 PET for AD patients respective healthy volunteers.
Radioligand [18F]AZD4694: 1-2 PET examinations for AD patients and 1 PET examination for healthy volunteers. Whole body dosimetri for some healthy volunteers. - Radioligand [11C]AZD2184: 1 PET for AD patients respective healthy volunteers.

Secondary Outcome Measures

Outcome Measure
Time Frame
To assess safety and tolerability of [18F]AZD4694 and the study procedures, by assessment of adverse events, vital signs, and laboratory variables.
Time Frame: 3-4 visits with tests for AD patients respective healthy volunteers. All tests are not done at every visit.
3-4 visits with tests for AD patients respective healthy volunteers. All tests are not done at every visit.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

AstraZeneca

Investigators

  • Principal Investigator: Ingemar Bylesjö, AstraZeneca Clinical Pharmacology Unit, Stockholm
  • Study Chair: Per Julin, AstraZeneca R&D, Södertälje, Sweden

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2009

Study Completion (ACTUAL)

October 1, 2009

Study Registration Dates

First Submitted

February 6, 2009

First Submitted That Met QC Criteria

February 6, 2009

First Posted (ESTIMATE)

February 9, 2009

Study Record Updates

Last Update Posted (ESTIMATE)

October 23, 2009

Last Update Submitted That Met QC Criteria

October 21, 2009

Last Verified

October 1, 2009

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • D2750C00001
  • 2008-006747-39

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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