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Safety And Efficacy Of The Unique Opioid Buprenorphine For The Treatment Of Chronic Pain.

ABSTRACT: Background:Chronic pain is associated with decreased quality of life and is one of the most common reasons adults seek medical care, making treatment imperative for many aspects of patient well-being. Chronic pain management typically involves the use of Schedule II full ?-opioid receptor agonists for pain relief; however, the increasing prevalence of opioid addiction is a national crisis that is impacting public health and social and economic welfare. Buprenorphine is a Schedule III partial ?-opioid receptor agonist that is an equally effective but potentially safer treatment option for chronic pain than full ?-opioid receptor agonists. The purpose of this review is to provide an overview of the clinical efficacy and safety of the transdermal and buccal formulations of buprenorphine, which are approved by the Food and Drug Administration for chronic pain, compared with that of extended-release full ?-opioid receptor agonists. Methods:Controlled or randomized controlled clinical trial information was retrieved from EMBASE, Medline, and PubMed using the search terms "buprenorphine" AND "chronic" AND "pain." Results:A total of 33 clinical studies were ultimately used in this review, including 29 (88%) on transdermal buprenorphine and 4 (12%) on buprenorphine buccal film. Although the measure of pain intensity varied among studies, each of these 33 trials demonstrated efficacy for buprenorphine in pain relief. A total of 28 studies also assessed safety, with each concluding that buprenorphine was generally well tolerated. Conclusion:Comparison of current clinical data along with results of responder and safety analyses support the use of buprenorphine over full ?-opioid receptor agonists for effective preferential treatment of chronic pain; however, head-to-head clinical studies are warranted.

SUBMITTER: Pergolizzi JV

PROVIDER: S-EPMC6917545 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Safety And Efficacy Of The Unique Opioid Buprenorphine For The Treatment Of Chronic Pain.

Pergolizzi Joseph V JV Raffa Robert B RB

Journal of pain research 20191213

<h4>Background</h4>Chronic pain is associated with decreased quality of life and is one of the most common reasons adults seek medical care, making treatment imperative for many aspects of patient well-being. Chronic pain management typically involves the use of Schedule II full μ-opioid receptor agonists for pain relief; however, the increasing prevalence of opioid addiction is a national crisis that is impacting public health and social and economic welfare. Buprenorphine is a Schedule III par ...[more]

PMID: 31997882

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Project description:BackgroundOpioid-induced constipation (OIC), the most common side effect of opioid treatment, is under-recognized and undertreated in older patients. Naldemedine, an oral, peripherally acting μ-opioid receptor antagonist (PAMORA), is approved in Japan, the United States, and the European Union for treatment of OIC in adult patients.ObjectiveThis integrated analysis of three phase 3 trials (COMPOSE-1, COMPOSE-2, and COMPOSE-3) evaluated the safety and efficacy of naldemedine for up to 12 weeks in a subgroup of patients aged ≥ 65 years.MethodsPatients aged 18-80 years with chronic non-cancer pain for ≥ 3 months (treated with opioids for ≥ 3 months in COMPOSE-1 and COMPOSE-2) and OIC received oral naldemedine 0.2 mg or placebo once daily. Safety assessments included overall incidence of treatment-emergent adverse events (TEAEs), TEAEs in the gastrointestinal disorders System Organ Class, and TEAEs of opioid withdrawal or possible opioid withdrawal. Efficacy was based on the proportion of responders in COMPOSE-1 and COMPOSE-2, defined as having ≥ 3 spontaneous bowel movements/week and a ≥ 1-spontaneous bowel movement/week increase from baseline for ≥ 9 of 12 weeks and ≥ 3 of the last 4 weeks.ResultsA total of 14.8% (344/2328) of patients were aged ≥ 65 years in all studies. The incidence of TEAEs in naldemedine-treated patients aged ≥ 65 years (45.9%) was comparable to that in patients aged ≥ 65 years receiving placebo (51.6%) and in the overall naldemedine group (47.1%). The incidence of gastrointestinal disorders System Organ Class TEAEs in naldemedine-treated patients aged ≥ 65 years (20.2%) was also comparable to that in patients aged ≥ 65 years receiving placebo (16.1%) and in the overall naldemedine group (21.8%). The incidence of TEAEs of opioid withdrawal with naldemedine was 1.1% in patients aged ≥ 65 years and 1.0% overall, and the incidence of TEAEs of possible opioid withdrawal was 1.1% in patients aged ≥ 65 years and 1.7% overall. The proportion of responders was higher in naldemedine-treated patients versus placebo, both overall (50.1% vs 34.1%; p < 0.0001) and in those aged ≥ 65 years (51.8% vs 37.6%).ConclusionsThis integrated analysis confirmed that OIC treatment with naldemedine 0.2 mg was generally well tolerated and effective in patients aged ≥ 65 years with chronic non-cancer pain. Safety and efficacy results were consistent with the overall patient population. CLINICALTRIALS.Gov registrationNCT01965158, NCT01993940, NCT01965652.

Dataset Information

Safety And Efficacy Of The Unique Opioid Buprenorphine For The Treatment Of Chronic Pain.

Publications

Safety And Efficacy Of The Unique Opioid Buprenorphine For The Treatment Of Chronic Pain.

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