Alzheimer DiseaseGERAS-USNCT02951598
A Study of Health Care Use and Costs in Participants With Early Stage Alzheimer's Disease (AD)
An observational study of Alzheimer Disease and Mild Cognitive Impairment, run by Eli Lilly and Company at 77 sites in United States.
Trial summary
The purpose of this study is to learn about health care use, costs, and clinical outcomes over time for amyloid positive participants with early stages of AD in the United States. This study is for research purposes only, and is not intended to treat any medical condition. Read more about this study
- Who is it for?
- Ages 55 to 85 years
- Conditions the study is for
- Alzheimer Disease, Mild Cognitive Impairment
- What is being tested?
- Florbetapir F 18 PET Scan
- How many people
- 1,400 participants
- Where
- 77 sitesUnited States
- Study dates
- 29 Oct 2016to 28 Apr 2026
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 55 to 85 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Presents within normal course of outpatient care for whom the physician deems to meet clinical criteria for MCI due to AD or mild AD dementia.
- Fully informed written consent of the participant (or his/her legal representative).
- Study partner who has frequent contact with the participant is willing to accompany the participant at the study observations.
- Fully informed written consent of the study partner; this person must be willing to serve as study partner for at least 6 months of the year.
- Able to communicate in English and/or US Spanish.
- Able to provide evidence of amyloid testing.
- Has an Mini-Mental State Examination (MMSE) score of 20 or greater.
Who cannot join
- Are currently enrolled in any other clinical trial involving an investigational product or any other type of medical research judged not to be scientifically or medically compatible with this study at baseline.
- Are investigator site personnel directly affiliated with this study and/or their immediate families. Immediate family is defined as a spouse, parent, child, or sibling, whether biological or legally adopted.
- Lack of evidence of amyloid positivity through pre-study test. Note: After baseline assessment, participants with amyloid negativity identified as part of the study will not continue in post-baseline assessments.
- Are Lilly employees or are employees of any third-party organization (TPO) involved in study who require exclusion of their employees.
Trial locations and contacts
77 sites in 1 country.
77 sites in 1 country
United States77 sites
NeuroMedical Clinic of Central Louisiana
Alexandria, Louisiana, 71301
California Pharmaceutical Research Institute
Anaheim, California, 92804
Advanced Research Center
Anaheim, California, 92805
Doctors Clinical Research
Atlanta, Georgia, 30312
JEM Research Institute
Atlantis, Florida, 33462
Visionary Investigators Network
Aventura, Florida, 33180
Healthwise Medical Associates, PC
Brooklyn, New York, 11206
Integrative Clinical Trials, LLC
Brooklyn, New York, 11229
Lakeside Life Center
Carrollton, Texas, 75010
St. Agnes Medical Group
Catonsville, Maryland, 21228
Dayton Center for Neurological Disorders
Centerville, Ohio, 45459
Onsite Clinical Solutions, LLC
Charlotte, North Carolina, 28203
Onsite Clinical Solutions, LLC
Charlotte, North Carolina, 28226
Alzheimer's Memory Center
Charlotte, North Carolina, 28270
Christ Hospital
Cincinnati, Ohio, 45219
Research Alliance
Clearwater, Florida, 33756
Clinical Research of South Florida
Coral Gables, Florida, 33134
Wesley Neurology Clinic
Cordova, Tennessee, 38018
Univ Of Texas Southwestern at Dallas Childrens Med Ctr
Dallas, Texas, 75390
Infinite Clinical Research
Doral, Florida, 33126
International Research Partners, LLC.
Doral, Florida, 33166
Colorado Neurological Institute
Englewood, Colorado, 80113
American Health Network
Franklin, Indiana, 46131
The Clinical Research Group
Frisco, Texas, 75035
Sarkis Clinical Trials
Gainesville, Florida, 32607
Dallas Clinical Research
Greenville, Texas, 75401
Hattiesburg Clinic
Hattiesburg, Mississippi, 39401
Indago Research & Health Center, Inc.
Hialeah, Florida, 33012
New Life Medical Research Center, Inc
Hialeah, Florida, 33012
Galiz Research
Hialeah, Florida, 33016
South Florida Clinical Trials
Hialeah, Florida, 33016
Highlands Medical Associates, P.A.
Highlands, Texas, 77562
Van Buren Medical
Hollywood, Florida, 33020
Clinical Research of Homestead
Homestead, Florida, 33030
Sun Valley Research Center
Imperial, California, 92251
Global Clinical Trials
Irvine, California, 92614
Irvine Clinical Research Center
Irvine, California, 92614
University Hills Clinical Research
Irving, Texas, 75062
University of Mississippi Medical Center
Jackson, Mississippi, 39216
Jacksonville Center for Clinical Research
Jacksonville, Florida, 32216
Universal Neurological Care
Jacksonville, Florida, 32216
American Research, LLC
Jeffersonville, Indiana, 47130
Clinical Research Solutions, P.C.
Knoxville, Tennessee, 37920
Alliance Research Centers
Laguna Hills, California, 92653
Adirondack Medical Center
Lake Placid, New York, 12946
Sunrise Medical Research
Lauderdale Lakes, Florida, 33319
North Pointe Psychiatry
Lewisville, Texas, 75057
Baptist Health Medical Group
Lexington, Kentucky, 40503
Pacific Clinical Studies, Inc
Los Alamitos, California, 90720
Biomed Research Institute
Miami, Florida, 33126
Miami Jewish Health Systems
Miami, Florida, 33137
Florida International Research Center
Miami, Florida, 33173
The Neurology Research Group, LLC
Miami, Florida, 33176
L&C Professional Medical Research Institute
Miami, Florida, 33186
Genoma Research Group, Inc.
Miami, Florida, 66135
Empire Clinical Research
Miami Lakes, Florida, 33018
Pyramid Clinical Research
Monroe, New Jersey, 08831
Coastal Carolina Healthcare, P.A.
New Bern, North Carolina, 28562
Coastal Connecticut Research, LLC
New London, Connecticut, 06320
Mid Hudson Medical Research, PLLC
New Windsor, New York, 12553
Heartland Research Associates
Newton, Kansas, 67114
Lynn Health Science Institute
Oklahoma City, Oklahoma, 73112
Medical Research Group of Central Florida
Orange City, Florida, 32763
Combined Research Orlando Phase I-IV LLC
Orlando, Florida, 32807
California Neurological Services, Inc.
Panorama City, California, 91402
Havana Research Institute
Pasadena, California, 91105
Thomas Jefferson University
Philadelphia, Pennsylvania, 19107
Clinical Innovations, Inc.
Riverside, California, 92506
Breakthrough Clinical Trials
San Bernardino, California, 92408
HB Clinical Trials
Santa Ana, California, 92704
Premier Clinical Research
Spokane, Washington, 99202
Psych Care Consultants Research
St Louis, Missouri, 63128
Suncoast Neuroscience Associates
St. Petersburg, Florida, 33713
Stedman Clinical Trials
Tampa, Florida, 33613
Ventura Clinical Trials
Ventura, California, 93003
Asclepes Research Centers Florida
Weeki Wachee, Florida, 34607
Family Practice Center of Wooster
Wooster, Ohio, 44691
About this study
Official title: Longitudinal Cohort Study of Resource Use and Cost of Mild Cognitive Impairment and Mild Dementia Due to Alzheimer's Disease in the United States (GERAS-US)
The purpose of this study is to learn about health care use, costs, and clinical outcomes over time for amyloid positive participants with early stages of AD in the United States. This study is for research purposes only, and is not intended to treat any medical condition. No study therapy(ies) for AD will be administered.
- Conditions
- Alzheimer Disease, Mild Cognitive Impairment
- Being tested
- Florbetapir F 18 PET Scan
- Medical subject headings
- Alzheimer Disease, Cognitive Dysfunction
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Florbetapir F 18 PET ScanDrug
Also called LY3078786
Florbetapir F 18 positron emission tomography (PET) scan performed at baseline to confirm amyloid status. Participants who previously tested amyloid positive were exempt. No therapeutic investigational drug(s) intended to treat AD will be administered.
| Study group | Role | What they receive |
|---|---|---|
| MCI (Amyloid Positive) | Participants with mild cognitive impairment (MCI) due to AD who tested amyloid positive were observed for up to 36 months. No therapeutic investigational drug intended to treat AD was administered. Receives: Drug: Florbetapir F 18 PET Scan | |
| Mild AD Dementia (Amyloid Positive) | Participants with mild AD dementia who tested amyloid positive were observed for up to 36 months. No therapeutic investigational drug intended to treat AD was administered. Receives: Drug: Florbetapir F 18 PET Scan | |
| MCI (Amyloid Negative) | Participants with MCI who tested amyloid negative. These participants were not eligible to participate in the 36 month prospective portion of the study. Receives: Drug: Florbetapir F 18 PET Scan | |
| Mild Dementia (Amyloid Negative) | Participants with mild dementia who tested amyloid negative. These participants were not eligible to participate in the 36 month prospective portion of the study. Receives: Drug: Florbetapir F 18 PET Scan |
What is being measured
The primary outcome is the main question the study is designed to answer.
Mean Economic Cost Associated with Amyloid Positive AD
Measured: Baseline through Study Completion (36 Months)
Secondary outcomes (12)
Healthcare Resource Use by AD Cohort
Measured: Baseline through Study Completion (36 Months)
Mean Economic Cost by AD Cohort
Measured: Baseline through 24 Months
Bath Assessment of Subjective Quality of Life in Dementia (BASQID)
Measured: Baseline, End of Study (36 Months)
Mini-Mental State Examination (MMSE)
Measured: Baseline, End of Study (36 Months)
Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-Cog14)
Measured: Baseline, End of Study (36 Months)
Neuropsychiatric Inventory (NPI)
Measured: Baseline, End of Study (36 Months)
Functional Activities Questionnaire (FAQ)
Measured: Baseline, End of Study (36 Months)
Cognitive Function Inventory (CFI)
Measured: Baseline, End of Study (36 Months)
Zarit Burden Interview (ZBI)
Measured: Baseline, End of Study (36 Months)
Percentage of Participants with a Change in Living Situation
Measured: 36 Months
Time to Transition Across Stages of AD
Measured: Baseline through Study Completion (36 Months)
Desire to Institutionalize Scale (DTI)
Measured: Baseline through Study Completion (36 Months)
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted1 Nov 2016 (estimated)
- Study start29 Oct 2016
- Primary completion30 Jan 2021
- Study completion28 Apr 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Alzheimer DiseaseStudies of the same condition, open and under way.
- More trials run by Eli Lilly and CompanyThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Enrolment
- 1,400 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Eli Lilly and Company
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Eastern time (UTC/GMT - 5 hours, EST), Study director, Eli Lilly and Company
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT02951598
- Sponsor's protocol ID
- 16466
- Other IDs
- H8A-US-B004
- Acronym
- GERAS-US
- Status last verified
- Oct 2025
- First submitted
- 28 Oct 2016
- Last updated
- 24 Oct 2025
- Results posted
- No
- Data monitoring committee
- No
- Individual data sharing
- Yes: Lilly provides access to the individual patient data from studies on approved medicines and indications as defined by the sponsor specific information on ClinicalStudyDataRequest.com. This access is provided in a timely fashion after the primary publication is accepted. Researchers need to have an approved research proposal submitted through ClinicalStudyDataRequest.com. Access to the data will be provided in a secure data sharing environment after signing a data sharing agreement.
Publications
Robinson RL, Rentz DM, Bruemmer V, Scott Andrews J, Zagar A, Kim Y, Schwartz RL, Ye W, Fillit HM. Observation of Patient and Caregiver Burden Associated with Early Alzheimer's Disease in the United States: Design and Baseline Findings of the GERAS-US Cohort Study1. J Alzheimers Dis. 2019;72(1):279-292. doi: 10.3233/JAD-190430.
PubMed 31561360
Study at a glance
From the registry record, last updated by the sponsor on 24 Oct 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Longitudinal Cohort Study of Resource Use and Cost of Mild Cognitive Impairment and Mild Dementia Due to Alzheimer's Disease in the United States (GERAS-US)
- ClinicalTrials.gov ID
- NCT02951598
- Acronym / sponsor ID
- GERAS-US / 16466
- Conditions
- Alzheimer Disease, Mild Cognitive Impairment
- Study type
- Observational
- Recruitment status
- Active, not recruiting
- Enrolment
- 1,400 participants (estimated)
- Lead sponsor
- Eli Lilly and CompanyIndustry (pharma, biotech, devices)
- Study start
- 29 Oct 2016 (actual)
- Primary completion
- 30 Jan 2021 (actual)
- Study completion
- 28 Apr 2026 (estimated)
- First posted
- 1 Nov 2016 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to learn about health care use, costs, and clinical outcomes over time for amyloid positive participants with early stages of AD in the United States. This study is for research purposes only, and is not intended to treat any medical condition. No study therapy(ies) for AD will be administered.
Study design
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| MCI (Amyloid Positive) | – | Drug: Florbetapir F 18 PET ScanParticipants with mild cognitive impairment (MCI) due to AD who tested amyloid positive were observed for up to 36 months. No therapeutic investigational drug intended to treat AD was administered. |
| Mild AD Dementia (Amyloid Positive) | – | Drug: Florbetapir F 18 PET ScanParticipants with mild AD dementia who tested amyloid positive were observed for up to 36 months. No therapeutic investigational drug intended to treat AD was administered. |
| MCI (Amyloid Negative) | – | Drug: Florbetapir F 18 PET ScanParticipants with MCI who tested amyloid negative. These participants were not eligible to participate in the 36 month prospective portion of the study. |
| Mild Dementia (Amyloid Negative) | – | Drug: Florbetapir F 18 PET ScanParticipants with mild dementia who tested amyloid negative. These participants were not eligible to participate in the 36 month prospective portion of the study. |
Who may qualify
- Ages
- 55 to 85 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (7 listed)
- Presents within normal course of outpatient care for whom the physician deems to meet clinical criteria for MCI due to AD or mild AD dementia.
- Fully informed written consent of the participant (or his/her legal representative).
- Study partner who has frequent contact with the participant is willing to accompany the participant at the study observations.
- Fully informed written consent of the study partner; this person must be willing to serve as study partner for at least 6 months of the year.
- Able to communicate in English and/or US Spanish.
Key exclusion criteria (4 listed)
- Are currently enrolled in any other clinical trial involving an investigational product or any other type of medical research judged not to be scientifically or medically compatible with this study at baseline.
- Are investigator site personnel directly affiliated with this study and/or their immediate families. Immediate family is defined as a spouse, parent, child, or sibling, whether biological or legally adopted.
- Lack of evidence of amyloid positivity through pre-study test. Note: After baseline assessment, participants with amyloid negativity identified as part of the study will not continue in post-baseline assessments.
- Are Lilly employees or are employees of any third-party organization (TPO) involved in study who require exclusion of their employees.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Florbetapir F 18 PET ScanAlso: LY3078786Florbetapir F 18 positron emission tomography (PET) scan performed at baseline to confirm amyloid status. Participants who previously tested amyloid positive were exempt. No therapeutic investigational drug(s) intended to treat AD will be administered. | Drug | MCI (Amyloid Negative), MCI (Amyloid Positive), Mild AD Dementia (Amyloid Positive), Mild Dementia (Amyloid Negative) |
Primary outcome
Mean Economic Cost Associated with Amyloid Positive AD
Time frame: Baseline through Study Completion (36 Months)
12 secondary outcomes
Healthcare Resource Use by AD Cohort
Time frame: Baseline through Study Completion (36 Months)
Mean Economic Cost by AD Cohort
Time frame: Baseline through 24 Months
Bath Assessment of Subjective Quality of Life in Dementia (BASQID)
Time frame: Baseline, End of Study (36 Months)
Mini-Mental State Examination (MMSE)
Time frame: Baseline, End of Study (36 Months)
Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-Cog14)
Time frame: Baseline, End of Study (36 Months)
Neuropsychiatric Inventory (NPI)
Time frame: Baseline, End of Study (36 Months)
Functional Activities Questionnaire (FAQ)
Time frame: Baseline, End of Study (36 Months)
Cognitive Function Inventory (CFI)
Time frame: Baseline, End of Study (36 Months)
Zarit Burden Interview (ZBI)
Time frame: Baseline, End of Study (36 Months)
Percentage of Participants with a Change in Living Situation
Time frame: 36 Months
Time to Transition Across Stages of AD
Time frame: Baseline through Study Completion (36 Months)
Desire to Institutionalize Scale (DTI)
Time frame: Baseline through Study Completion (36 Months)
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 24 Oct 2025.
- Derived from this study: PubMed 31561360Robinson RL, Rentz DM, Bruemmer V, Scott Andrews J, Zagar A, Kim Y, Schwartz RL, Ye W, Fillit HM. Observation of Patient and Caregiver Burden Associated with Early Alzheimer's Disease in the United States: Design and Baseline Findings of the GERAS-US Cohort Study1. J Alzheimers Dis. 2019;72(1):279-292. doi: 10.3233/JAD-190430.
- Individual participant dataSharing planned: Yes. Lilly provides access to the individual patient data from studies on approved medicines and indications as defined by the sponsor specific information on ClinicalStudyDataRequest.com. This access is provided in a timely fashion after the primary publication is accepted. Researchers need to have an approved research proposal submitted through ClinicalStudyDataRequest.com. Access to the data will be provided in a secure data sharing environment after signing a data sharing agreement.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Call 1-877-CTLILLY (1-877-285-4559) or 1-317-615-4559 Mon - Fri 9 AM - 5 PM Eastern time (UTC/GMT - 5 hours, EST) study director
Eli Lilly and Company
77 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Alzheimer Disease and Mild Cognitive Impairment, run by Eli Lilly and Company at 77 sites in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 7 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 24 Oct 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 77 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Mean Economic Cost Associated with Amyloid Positive AD (time frame: Baseline through Study Completion (36 Months)). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT02951598, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Oct 2025.