At a glance

ClinicalIndex Comparison Record

N/ACompleted· 8,000 target

Drug / intervention

Blood drawprocedure

Likely dose

Not stated in record

Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT00247819

NCT00247819N/ACompleted

Allelic Linkage in Substance Abuse

National Institute on Drug Abuse (NIDA)·observational·Posted Nov 2, 2005·Updated Jan 12, 2017

In Brief

An observational study evaluating Blood draw for Substance Abuse. Completed, enrolled 8,000 participants across 1 site.

This investigation seeks to better define the genetic basis for vulnerability to substance abuse.

Study Typeobservational

Allocation--

Masking--

Primary Purpose--

CountriesUnited States

Collaborators--

N/ACompletedFinished

199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024202520262027

Enrollment StartAug 1992

First PostedNov 2005

Primary CompletionFeb 2006

TodayJul 2026

First PostedNov 2, 2005

Enrollment StartAug 1, 1992

Primary CompletionFeb 1, 2006

TodayJul 2, 2026

Enrollment to primary: 13.5 yearsPosted 20.7 years ago

Blood drawprocedure