Use of Buprenorphine in Treatment Resistant Depression
Ali Mahmood Khan1*, Sukaina Rizvi1, Waqas Ul Haq2, Sohaib Siddiqui3, Danish Kherani2, Muhammad Mustafa Ahmed2, Ashraf Farooq Arain2 and Syed Kazim Raza4
1 Kings County Hospital Center, USA
2 Ziauddin University, Pakistan
3 Ross University School of Medicine, USA
4 Dow University of Health Sciences, Pakistan
Submission: April 25, 2018;; Published: May 09, 2018
*Corresponding author: Ali Mahmood Khan, Kings County Hospital Center, NY, USA.
How to cite this article: Ali Mahmood Khan , Sukaina Rizvi, Waqas Ul Haq, Sohaib Siddiqui, et al. Use of Buprenorphine in Treatment Resistant Depression. Open Acc J of Toxicol. 2018; 3(3): 555611. DOI: 10.19080/OAJT.2018.03.555611.
Abstract
This is a review article discussing the therapeutic effects of buprenorphine on treatment resistant depression. Treatment resistant depression is a term used in clinical psychiatry to describe depression that is not responding adequately to appropriate courses of at least two different antidepressants for major depression disorders. Buprenorphine is a partial agonist of mu and kappa receptors used for treating dependence or addiction.
Introduction
This research is being conducted to find out the result of the treatment of the drug buprenorphine on treatment resistant depression. According to a few researches being conducted, buprenorphine has proven to improve cases of treatment resistant depression.
Discussion
It is estimated that around 60-70 percent of patients with major depressive disorders have an inadequate response to the initial treatment that they are given [1-3]. Therapeutic strategies such as such as switching antidepressants and using adjuvant drug treatment have improved the condition but in 40 percent of cases patients remain symptomatic and fail to achieve full remission [4,5].
Opioids are traditionally associated with pain, analgesia and drug abuse but it is clear that opioids have a major role to play in mood [6]. Buprenorphine is a derivative of the opioid alkaloid thebaine that is a more potent (25 - 40 times) and longer lasting analgesic than morphine. It appears to act as a partial agonist at mu and kappa opioid receptors and as an antagonist at delta receptors. Buprenorphine is used to treat dependence/addiction to opioids (narcotics). Since it is a partial agonist, this property of buprenorphine may allow it to have less euphoria and physical dependence and therefore have a lower potential for misuse [7]. Usually the drugs used for major depressive disorders are Tricyclic Antidepressants (TCAs), Monoamine Oxidase Inhibitors (MAOIs) and Selective Serotonin Reuptake Inhibitors (SSRIs)/Serotonin-Norepinephrine Reuptake Inhibitor (SNRIs) but they had unacceptable side effects, drug to drug interactions and their onset was pretty slow and lacked efficacy [8].
According to researches done, buprenorphine may also benefit patients suffering from treatment resistant depression who have not responded to other medications. A research was performed on 50 patients in their midlife or were older adults. In this research patients were subscribed a low dose of titrated buprenorphine of 0.2-1.6mg/day for a period of eight weeks. Changes in depression, sleep, anxiety, quality of life and all positive and negative effects were assessed. Mean Depression Score (MADRS) was calculated at the beginning of the research which was at a baseline average of 27. After a period of 8 weeks, the calculated Mean Depression Score was calculated to be at 9.5 indicating a sharp decline in the score hence showing the positive effects of buprenorphine in treatment resistant depression. Patients also experienced less depressive effects like pessimism, sadness and also experienced improvement in learning and executive function. The result of this research resulted to be positive and stated that “Low-dose buprenorphine may be a novel-mechanism medication that provides a rapid and sustained improvement for older adults with TRD.” [9].
In another research conducted, buprenorphine was given in combination with samidorphan to see what effect those 2 would have together. Patients were giving 2mg/2mg of buprenorphine and samidorphan. After the research there was again a positive result compared to the placebo control and there were also no opioid withdrawal or treatment discontinuation side effects [10].
Conclusion
After reviewing a few researches and articles it can therefore be concluded that use of buprenorphine have promising results for the treatment of treatment resistant depression. The results obtained were positive and the drug buprenorphine itself has many advantages such as it is safe to use and there is less dependence on it and abuse potential is very low hence making it a very good drug to use in cases to treat treatment resistant depression.
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