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Narrative of Discovery

Narrative of Discovery: The Quest for a Medication To Treat Methamphetamine Addiction, Part 3

Dr. Linda Dwoskin feels just one small step away from success in her effort to develop the first ever medication to treat methamphetamine addiction.

Narrative of Discovery

Narrative of Discovery: In Search of a Medication To Treat Methamphetamine Addiction, Part 2

When lobeline turned out not to be the answer, it became a starting point. Dr. Linda Dwoskin and her team set out to transform the molecule into something more effective and with fewer side effects.

Narrative of Discovery

Narrative of Discovery: In Search of a Medication To Treat Methamphetamine Addiction

This is the first in a series of NIDA Notes articles that will follow a team of researchers seeking a medication for methamphetamine addiction. This installment describes the early promise of the compound lobeline and the new directions the team discovered in studying it.

Basic Science

Study Assesses Functional Deficits Due to HIV and Methamphetamine Use

Methamphetamine use and HIV infection raise the risk for functional dependence, or the need for assistance with everyday tasks. People who use methamphetamine and are HIV positive showed the highest levels of functional dependence in most domains of daily life.

Public Health

In Nationwide Survey, More Students Use Marijuana, Fewer Use Other Drugs

Almost one-third (32 percent) of the roughly 42,000 Monitoring the Future survey respondents reported having used marijuana during their lifetime. However, abuse of many other drugs—methamphetamine, heroin, cocaine, and some prescription medications—declined.

Basic Science

Methamphetamine Alters Brain Structures, Impairs Mental Flexibility

Methamphetamine alters brain structures involved in decision-making and impairs the ability to suppress habitual behaviors that have become useless or counterproductive. The two effects were correlated, indicating that the structural change underlies the decline in mental flexibility.

Prevention

Intervention Strengthens American Indian Teen Mothers’ Parenting

Teen mothers on three American Indian reservations improved on several measures of parenting after participating in Family Spirit, a home-visiting intervention developed with NIDA support. At 12 months postpartum, the women’s children exhibited reduced rates of emotional difficulties predicting later drug abuse and other behavioral problems. Infants at highest risk—those whose mothers had histories of drug abuse—benefited the most.

Basic Science

Stress-Induced Enzyme Compounds Methamphetamine Neurotoxicity

Ketoprofen, an anti-inflammatory agent commonly prescribed to treat arthritis, reduces neuronal damage in rats that have been exposed to chronic stress and methamphetamine. If this finding of a recent NIDA-supported study extrapolates to humans, anti-inflammatory medications may gain a place in the treatment of methamphetamine addiction.

NIDA Notes

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