Drug Treatment and Research Enhancement Act

Authorizes the Director of the Office of National Drug Control Policy to award a grant to establish a National Community Antidrug Coalition Institute to provide antidrug education, training, and technical assistance to coalition leaders and community teams, to conduct related research and testing, and to translate knowledge from research into practical information.

Key Professionals Education Act - Amends the Public Health Service Act to direct the Secretary of Health and Human Services to award grants to help key professionals participate in antidrug coalitions to identify and help youth affected by familial substance abuse.

Requires the Director of the National Institute on Drug Abuse to establish a National Drug Abuse Treatment Clinical Trials Network to conduct large-scale drug abuse treatment studies.

Adolescent Therapeutic Community Treatment Programs Act - Directs the Secretary to award competitive grants to enable treatment providers who administer substance abuse treatment programs to establish adolescent residential substance abuse treatment programs for individuals between 14 and 21 years old.

Requires the Director of the Federal Bureau of Prisons to establish residential drug abuse treatment units in Federal prisons.

Extends through FY 2007 the drug-free communities support program.

Directs the Counter-Drug Technology Assessment Center to study the number of individuals engaged in sustained heroin use.

Establishes 4000 as the minimum (currently, the maximum) number of members of the National Guard that shall be on duty at year's end to perform drug interdiction or counter-drug activities.

Expresses the sense of Congress that the National Institutes of Health should work with private industry to promote research regarding pharmacological options to support drug treatment efforts.

Authorizes appropriations.