Morphine may help obsessive-compulsive disorder

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For people with Obsessive-Compulsive Disorder (OCD) who have not been helped by standard drug treatments, a weekly dose of oral morphine may ease their symptoms, according to a small pilot study.

The newer class of antidepressants known as SRIs is approved for treating OCD, but up to 40 percent of patients fail to respond to two or more of these drugs, Dr. Lorrin M. Koran and his associates explain in the Journal of Clinical Psychiatry.

Quite why morphine can be effective is not known, but other small studies have suggested a role for drugs that interact with opioid receptors because there is a high concentration of opioid receptors in an area of the brain thought to be involved in OCD.

For their trial, Koran’s group enrolled 23 subjects with OCD who had tried anywhere from two to six different SRIs. The participants were assigned to once-weekly oral morphine, the anti-anxiety drug lorazepam, or an inactive placebo, in random order for two weeks each.

Average scores on a standard OCD scale declined from 29 to 25 while the subjects were taking morphine, and to 27 in the lorazepam phase.

Seven of the 23 subjects were deemed to be responders to morphine based on score decreases of 25 percent or more. There were four subjects who responded to lorazepam.

Among those responding to morphine, the most noticeable effect began the day after taking the drug and lasted for two to five days. These individuals reported decreased frequency and persistence of obsessions and anxiety, as well as an increased ability to resist their compulsions.

The researchers saw no euphoric effects from taking the drugs—although one subject later admitted to having abused hydrocodone for several years, which he said reduced his OCD symptoms.

“The response seen, its rapidity, and the relative tolerability of the treatment are encouraging and warrant larger and longer term studies” of morphine or other opiate drugs for treatment-resistant OCD, the team concludes.

SOURCE: Journal of Clinical Psychiatry, March 2005.

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hi all. I have been on a slow release morphine tablet since may due to major abdo surgery.  I have sever ocd, spending 8 hrs a day obsessing and having extremly bad urges to harm others, it cripples me, i also get excruiating pain on my temples and behind my eyes due to stress. I began reducing my dose whilst in hospital having medical tests the other week and the nursing team had to perform cpr because my body started to shut down due to the levels of stress my body was under as the thoughts and urges were coming back after a 5month break of having nothing.........my body could not take it anymore.  Well i here to tell my tell!!!!!!!!! I had 5 months of not one urge or intrusive thought, i have been off the synthetic morphine for 10 days, and i getting thoughts and urges constantly.  What gets me angry is i have tried 8 different antibiotics, 2 different anti psychotics, i have had cbt and hypnotherapy and spent 4 years in counselling..........nothing works and guess what???????? my psychiatrist will not allow me to take the drug anymore.  my life is not a life it is an exsistence!!! i just hope further tests are done on morphine helping ocd because i would be at the front of the queue, i can not even cuddle my daughter and i can hardly look at her because the thoughts start.  I wish there was another cure as i appreciate morphine is addictive, my body became dependant, but i am strong willed and came off it as my doctor would not prescribe it anymore, so i have to put up with the misery of OCD… I ask myself is this really fair.  Its so frustrating as i know there is a drug out there that works and could help a lot of people get out of this misery. My thoughts go out to you all who are suffering with ocd or know someone who has.

posted by Catherine Wigglesworth on 09/16/2009 at 11:26 am -08:00