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CTN - 0051: Extended-Release Naltrexone vs. Buprenorphine for Opioid Treatment (X:BOT)

ABSTRACT: CTN - 0051: Extended-Release Naltrexone vs. Buprenorphine for Opioid Treatment (X:BOT)

PROVIDER: PRJNA824587 | ENA |

REPOSITORIES: ENA

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CTN - 0051: Extended-Release Naltrexone vs. Buprenorphine for Opioid Treatment (X:BOT)

Project description:CTN - 0051: Extended-Release Naltrexone vs. Buprenorphine for Opioid Treatment (X:BOT)

| PRJNA824589 | ENA

NIDA Clinical Trials Network CTN-0051, Extended-Release Naltrexone vs. Buprenorphine for Opioid Treatment (X:BOT): Study design and rationale.

Project description:IntroductionFor opioid-dependent patients in the US and elsewhere, detoxification and counseling-only aftercare are treatment mainstays. Long-term abstinence is rarely achieved; many patients relapse and overdose after detoxification. Methadone, buprenorphine-naloxone (BUP-NX) and extended-release naltrexone (XR-NTX) can prevent opioid relapse but are underutilized. This study is intended to develop an evidence-base to help patients and providers make informed choices and to foster wider adoption of relapse-prevention pharmacotherapies.MethodsThe National Institute on Drug Abuse's Clinical Trials Network (CTN) study CTN-0051, X:BOT, is a comparative effectiveness study of treatment for 24weeks with XR-NTX, an opioid antagonist, versus BUP-NX, a high affinity partial opioid agonist, for opioid dependent patients initiating treatment at 8 short-term residential (detoxification) units and continuing care as outpatients. Up to 600 participants are randomized (1:1) to XR-NTX or BUP-NX.ResultsThe primary outcome is time to opioid relapse (i.e., loss of persistent abstinence) across the 24-week treatment phase. Differences between arms in the distribution of time-to-relapse will be compared (construction of the asymptotic 95% CI for the hazard ratio of the difference between arms). Secondary outcomes include proportions retained in treatment, rates of opioid abstinence, adverse events, cigarette, alcohol, and other drug use, and HIV risk behaviors; opioid cravings, quality of life, cognitive function, genetic moderators, and cost effectiveness.ConclusionsXR-NTX and BUP-NX differ considerably in their characteristics and clinical management; no studies to date have compared XR-NTX with buprenorphine maintenance. Study design choices and compromises inherent to a comparative effectiveness trial of distinct treatment regimens are reviewed.Clinical trial registrationNCT02032433.

| S-EPMC5416469 | biostudies-literature

Transcriptional effects of extended opioid exposure in clear cell renal cell carcinomas.

Project description:Opioids are commonly prescribed to patients with advanced clear cell renal cell carcinoma for extended periods of time in assistance for pain management. Because extended opioid exposure has been shown to affect the vasculature and to be immunosuppressive, we investigated how it may affect the metabolism and physiology of advanced clear cell renal cell carcinoma. RNA sequencing of archived patient’s specimens with extended opioid exposure or non-opioid exposure were peformed.

2023-08-30 | GSE214563 | GEO

Transcriptional effects of extended opioid exposure in clear cell renal cell carcinomas.

Project description:Transcriptional effects of extended opioid exposure in clear cell renal cell carcinomas.

| PRJNA885862 | ENA

Transcriptome analysis induced by CTN infection

Project description:In this study, we aimed to adopt the transcriptome sequencing technology to obtain the different changes of transcriptome profiles after infecting with CTN in human neuroblastoma cell line SH-SY5Y. And then, through systematic bioinformatics analysis, we hope to find useful clues for the pathogenesis of Rabies.

2021-08-24 | GSE151890 | GEO

Opioid withdrawal produces sex-specific effects on fentanyl-vs.-food choice and mesolimbic transcription

Project description:Background: Opioid withdrawal is a key driver of opioid addiction and an obstacle to recovery. However, withdrawal effects on opioid reinforcement and mesolimbic neuroadaptation are understudied and the role of sex is largely unknown. Methods: Male (n=13) and female (n=12) rats responded under a fentanyl-vs.-food “choice” procedure during daily 2h sessions. In addition to the daily choice sessions, rats were provided extended access to fentanyl during 12h self-administration sessions. After two weeks of this selfadministration regimen, the nucleus accumbens (NAc) and ventral tegmental area (VTA) of a subset of rats were subjected to RNA sequencing. In the remaining rats, a third week of this self-administration regimen was conducted, during which methadone effects on fentanyl-vs.-food choice were determined. Results: Prior to opioid dependence, male and female rats similarly allocated responding between fentanyl and food. Abstinence from extended fentanyl access elicited similar increases in somatic withdrawal signs in both sexes. Despite similar withdrawal signs and extended access fentanyl intake, opioid withdrawal was accompanied by a maladaptive increase in fentanyl choice in males, but not females. Behavioral sex differences corresponded with a greater number of differentially expressed genes in the NAc and VTA of opioidwithdrawn females relative to males. Methadone blocked withdrawal-associated increases in fentanyl choice in males, but failed to further decrease fentanyl choice in females. Conclusions: These results provide foundational evidence of sex-specific neuroadaptations to opioid withdrawal, which may be relevant to the female-specific resilience to withdrawal-associated increases in opioid choice and aid in the identification of novel therapeutic targets.

2021-05-06 | GSE173959 | GEO

Molecular effects on individual and combined toxicity of OTA and CTN against human embryonic kidney 293 cells

Project description:We report the transcriptome and miRNAome of human embryonic kidney 293 cells upon the administration of ochratoxin A (OTA) and citrinin (CTN), to compare the individual and combined toxicity of these two mycotoxins. We identified largely differentially expressed miRNAs and corresponding genes, and the correlations between miRNAs and their target genes associated with apoptotic signaling were furthermore analyzed by pmi-RB-REPORT luciferase assay system. We concluded that hsa-miR-1-3p plays an essential role in promoting OTA and CTN-induced renal cytotoxicity.

2017-12-31 | GSE93148 | GEO

Helicobacter cinaedi strain:MRY12-0051

Project description:Helicobacter cinaedi MRY12-0051 genome sequencing project

| PRJDB5659 | ENA

Transcriptome analysis induced by CTN infection

Project description:Transcriptome analysis induced by CTN infection

| PRJNA637596 | ENA

Staphylococcus aureus strain:USA400-0051

Project description:Staphylococcus aureus strain:USA400-0051 Genome sequencing and assembly

| PRJNA345484 | ENA