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.
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.
March 2012 Dr. Thomas Kosten of Baylor College of Medicine and Dr. Peter Burkhard of the University of Connecticut are the recipients of NIDA’s 2011 Avant-Garde Awards for Innovative Medication Development Research. Dr. Kosten is developing a vaccine against methamphetamine abuse and Dr. Burkhard is developing a vaccine to counter nicotine addiction.
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.