According to a randomized clinical trial out of Georgetown University Medical Center, mindfulness-based stress reduction is as effective at treating anxiety disorders as a common antidepressant drug.
Mindfulness-based stress reduction is as effective as an antidepressant drug for treating anxiety disorders.
A guided mindfulness-based stress reduction program was as effective as the use of the gold-standard drug – the common antidepressant drug escitalopram – for patients with anxiety disorders. This is according to the results of a first-of-its-kind, randomized clinical trial led by researchers at Georgetown University Medical Center.
The findings were published on November 9, 2022m, in the journal JAMA Psychiatry. This follows the announcement on October 11, 2022, by the United States Preventive Services Task Force that, for the first time, recommended screening for anxiety disorders due to the high prevalence of these conditions.
According to the CDC, 11.7% of adults in the U.S. have regular feelings of worry, nervousness, or anxiety.
“Our study provides evidence for clinicians, insurers, and healthcare systems to recommend, include and provide reimbursement for mindfulness-based stress reduction as an effective treatment for anxiety disorders because mindfulness meditation currently is reimbursed by very few providers,” says Elizabeth Hoge, MD, director of the Anxiety Disorders Research Program and associate professor of psychiatry at Georgetown and first author. “A big advantage of mindfulness meditation is that it doesn’t require a clinical degree to train someone to become a mindfulness facilitator. Additionally, sessions can be done outside of a medical setting, such as at a school or community center.”
Anxiety disorders can be highly distressing; they include generalized anxiety, social anxiety, panic disorder, and fear of certain places or situations, including crowds and public transportation. All of these can lead to an increased risk for suicide, disability, and distress and therefore are commonly treated in psychiatric clinics.
Drugs that are currently prescribed for the disorders can be very effective, but many patients either have difficulty getting them, do not respond to them, or find the side effects (e.g., nausea, sexual dysfunction, and drowsiness) as a barrier to consistent treatment.
Developed at the University of Massachusetts Medical Center in the 1970s, mindfulness-based stress reduction (MBSR) is an eight-week evidence-based program that offers secular, intensive mindfulness training to assist people with stress, anxiety, depression and pain.
Standardized mindfulness-based interventions, such as mindfulness-based stress reduction (MBSR), can reduce anxiety. However, prior to this study, the interventions had not been studied in comparison to effective anti-anxiety drugs. Of note, approximately 15% of the U.S. population tried some form of meditation in 2017.
The clinicians recruited 276 patients between June 2018 and February 2020 from three hospitals in Boston, New York City, and Washington, D.C., and randomly assigned people to either mindfulness-based stress reduction or the antidepressant drug escitalopram. MBSR was offered weekly for eight weeks via two-and-a-half-hour in-person classes, a day-long retreat weekend class during the 5th or 6th week, and 45-minute daily home practice exercises. Patients’ anxiety symptoms were assessed upon enrollment and again at the completion of the intervention at 8 weeks, along with post-treatment assessments at 12 and 24 weeks after enrollment. The assessments were conducted in a blinded manner – the trained clinical evaluators did not know whether the patients they were assessing received the drug or MBSR.
At the end of the trial, 102 patients had completed MBSR and 106 had completed their medication course. The patients were relatively young, with a mean age of 33, and included 156 women, which comprised 75% of the enrollees, mirroring the disease prevalence in the U.S.
The researchers used a validated assessment measure to rate the severity of symptoms of anxiety across all of the disorders using a scale of 1 to 7 (with 7 being severe anxiety). Both groups saw a reduction in their anxiety symptoms (a 1.35 point mean reduction for MBSR and 1.43 point mean reduction for the drug, which was a statistically equivalent outcome), dropping from a mean of about 4.5 for both, which translates to a significant 30% or so drop in the severity of peoples’ anxiety.
Olga Cannistraro, 52, says she utilizes her MBSR techniques as needed, but more than a decade ago, the practice transformed her life. She was selected for an MBSR study after responding to an advertisement asking, “Do you worry?”
“I didn’t think of myself as anxious – I just thought my life was stressful because I had taken on too much,” she recalls. “But I thought ‘yeah, I do worry.’ There was something excessive about the way I responded to my environment.”
After participating in an earlier study led by Hoge, she learned two key MBSR techniques. “It gave me the tools to spy on myself. Once you have awareness of an anxious reaction, then you can make a choice for how to deal with it. It’s not like a magic cure, but it was a life-long kind of training. Instead of my anxiety progressing, it went in the other direction and I’m very grateful for that.”
“It is important to note that although mindfulness meditation works, not everyone is willing to invest the time and effort to successfully complete all of the necessary sessions and do regular home practice which enhances the effect,” Hoge said. “Also, virtual delivery via videoconference is likely to be effective, so long as the ‘live’ components are retained, such as question-and-answer periods and group discussion.”
Hoge points out that there are many phone apps that offer guided meditation, however, researchers don’t know how apps compare with the full in-person, weekly group class experience.
Trial enrollment was wrapping up as the COVID pandemic started in early 2020 but most enrollees completed their eight-week course of treatment before the pandemic started. Additionally, the researchers conducted a second phase of the study during the pandemic that involved moving the treatments to an online, videoconference, and that will be the focus of future analyses. The researchers also hope to explore the effects of MBSR on sleep and depression.
Reference: “Mindfulness-Based Stress Reduction vs Escitalopram for the Treatment of Adults With Anxiety Disorders: A Randomized Clinical Trial” by Elizabeth A. Hoge, MD; Eric Bui, MD, PhD; Mihriye Mete, PhD; Mary Ann Dutton, PhD; Amanda W. Baker, PhD and Naomi M. Simon, MD, MSc, 9 November 2022, JAMA Psychiatry.
DOI:
In addition to Hoge, the other author from Georgetown is Mary Ann Dutton. Eric Bui is from the University of Caen Normandy and Caen University Hospital, Caen, France. Mihriye Mete is from Medstar Health Research Institute, Hyattsville, MD. Amanda W. Baker is from Massachusetts General Hospital / Harvard Medical School, Boston. Naomi M. Simon is from the University Grossman School of Medicine, New York NY.
This research was supported by the Patient-Centered Outcomes Research Institute (PCORI; CER-2017C1–6522). PCORI had no role in study design, data collection, data analysis, data interpretation, or writing of the report.
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