Clinical trialNCT01841905UnknownObservational

Detection of Disease-Related Changes in Pre-Symptomatic Alzheimer's Disease

SponsorRhode Island HospitalEnrollment60Alzheimer's Disease

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The investigators are conducting a study to try to improve our ability to identify older adults who are at high-risk for progression to Alzheimer's disease, several years before they have symptoms that might reduce their quality of life. The investigators believe they can increase the sensitivity of tests of memory and problem solving, by using a very small dose of a medication (scopolamine) that reduces the activity of the principal chemical system in the brain that is changing in the earliest stages of Alzheimer's disease. By pairing this "micro-dose" drug challenge (that is administered with a tiny needle placed just under the surface of the skin on the forearm), with our tests of memory and thinking, it is believed that the investigators can create a "stress test" that is very similar in concept to the use of the exercise treadmill to make the results of a heart EKG more sensitive to detect early disease, as a cardiac stress test for heart disease. The investigators want to create a similar stress test for Alzheimer's disease (AD).

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

Peter J. Snyder, Ph.D.
Sr. Vice President & Chief Research Officer, Lifespan
Principal Investigator
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Lifespan
Providence, Rhode Island, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 31 Jul 2013
Primary completion: 31 Dec 2016
Completion: 31 Dec 2016
Last update posted: 20 Jan 2016
Registered enrollment: 60
Registry id: NCT01841905

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.