U.S. Department of Health and Human Services
NATIONAL INSTITUTES OF HEALTH NIH News
National Institute on Alcohol Abuse and Alcoholism (NIAAA) <https://www.niaaa.nih.gov/>
National Institute on Drug Abuse (NIDA) <https://www.drugabuse.gov/>
For Immediate Release: Tuesday, September 20, 2022
CONTACT: NIAAA Press Office, 301-443-3860, <e-mail:NIAAAPressOffice@xxxxxxxxxxxx>,NIDA Press Office, 301-443-6245, <e-mail:media@xxxxxxxxxxxx>
HEART MEDICATION SHOWS POTENTIAL AS TREATMENT FOR ALCOHOL USE DISORDER
A medication for heart problems and high blood pressure may also be effective for treating alcohol use disorder, according to a new study by researchers at the National Institutes of Health and their colleagues. The study presents converging evidence from experiments in mice and rats, as well as a cohort study in humans, suggesting that the medication, spironolactone, may play a role in reducing alcohol drinking. The research was led by scientists at the National Institute on Drug Abuse (NIDA) and the National Institute on Alcohol Abuse and Alcoholism (NIAAA), both parts NIH, and Yale School of Medicine, New Haven, Connecticut. A report of the new findings is published in Molecular Psychiatry.
“Combining findings across three species and different types of research studies, and then seeing similarities in those data, gives us confidence that we are onto something potentially important scientifically and clinically. These findings support further study of spironolactone as a potential treatment for alcohol use disorder, a medical condition that affects millions of people in the U.S” said Lorenzo Leggio, M.D., Ph.D., chief of the Clinical Psychoneuroendocrinology and Neuropsychopharmacology Section, a joint laboratory of NIDA and NIAAA, and one of the senior authors.
Currently there are three medications approved for alcohol use disorder in the United States <https://alcoholtreatment.niaaa.nih.gov/FAQs-searching-alcohol-treatment#topic-what-medications-treat-aud>, and they are an effective and important aid in the treatment of people with this condition. Given the diverse biological processes that contribute to alcohol use disorder, new medications are needed to provide a broader spectrum of treatment options. Scientists are working to develop a larger menu of pharmaceutical treatments that could be tailored to individual needs.
Previous research has shown that mineralocorticoid receptors, which are located throughout the brain and other organs and help regulate fluid and electrolyte balance in the body, might play a role in alcohol use and craving. Preclinical research suggests that higher mineralocorticoid receptor signaling contributes to increased alcohol consumption. The current study sought to expand this line of research by testing spironolactone, a medication with multiple actions, including blocking mineralocorticoid receptors. Spironolactone is used in clinical practice as a diuretic and to treat conditions like heart problems and high blood pressure.
In experiments conducted in mouse and rat models of excessive alcohol drinking, NIAAA and NIDA researchers led by co-senior author Leandro Vendruscolo, Pharm.D., Ph.D., from NIDA found that increasing doses of spironolactone decreased alcohol consumption in male and female animals, without causing movement or coordination problems, and without affecting their food or water intake.
In a parallel study that was part of this team’s collaborative efforts, researchers led by co-senior author Amy C. Justice, M.D., Ph.D., of the Yale School of Medicine, examined health records of a large sample of people from the U.S. Veterans Affairs healthcare system to assess potential changes in alcohol drinking after spironolactone was prescribed for its current clinical indications (e.g., heart problems, high blood pressure). They found a significant association between spironolactone treatment and reduction in self-reported alcohol consumption, as measured by the Alcohol Use Disorders Identification Test-Consumption < https://auditscreen.org/>, a screening tool. Of note, the largest effects were observed among those who reported hazardous/heavy episodic alcohol consumption before starting spironolactone treatment.
“These are very encouraging findings,” said NIAAA Director George F. Koob, Ph.D., a co-author of the study. “Taken together, the present study argues for conducting randomized, controlled studies of spironolactone in people with alcohol use disorder to further assess its safety and potential efficacy in this population, as well as additional work to understand how spironolactone may reduce alcohol drinking.”
“Just like for any other medical condition, people with substance use disorders deserve to have a range of treatment options available to them, and this study is an exciting step in our effort to expand medications for people with alcohol use disorder,” said Nora Volkow, M.D., director of NIDA. “In addition, we must address the stigma and other barriers that prevent many people with alcohol use disorder from accessing the treatments we already have available.”
About the National Institute on Alcohol Abuse and Alcoholism (NIAAA): The National Institute on Alcohol Abuse and Alcoholism, part of the National Institutes of Health, is the primary U.S. agency for conducting and supporting research on the causes, consequences, prevention, and treatment of alcohol use disorder. NIAAA also disseminates research findings to general, professional, and academic audiences. Additional alcohol research information and publications are available at: ,.https://www.niaaa.nih.gov.
About the National Institute on Drug Abuse (NIDA): NIDA is a component of the National Institutes of Health, U.S. Department of Health and Human Services. NIDA supports most of the world’s research on the health aspects of drug use and addiction. The Institute carries out a large variety of programs to inform policy, improve practice, and advance addiction science. For more information about NIDA and its programs, visit <https://www.nida.nih.gov/>.
About the National Institutes of Health (NIH): NIH, the nation's medical research agency, includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. NIH is the primary federal agency conducting and supporting basic, clinical, and translational medical research, and is investigating the causes, treatments, and cures for both common and rare diseases. For more information about NIH and its programs, visit <www.nih.gov>.
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REFERENCE: M Farokhnia, et al. Spironolactone as a potential new pharmacotherapy for alcohol use disorder: convergent evidence from rodent and human studies(https://www.nature.com/articles/s41380-022-01736-y). Molecular Psychiatry. DOI: 10.1038/s41380-022-01736-y
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