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Gan W, Yang X, Chen J, Lyu H, Yan A, Chen G, Li S, Zhang Y, Dan L, Huang H, Duan G. Role of daytime variation in pharmaceutical effects of sufentanil, dezocine, and tramadol: A matched observational study. Front Pharmacol 2022; 13:993506. [PMID: 36188598 PMCID: PMC9523536 DOI: 10.3389/fphar.2022.993506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 08/30/2022] [Indexed: 11/21/2022] Open
Abstract
The role of daytime variation in the comprehensive pharmaceutical effects of commonly used opioid analgesics in clinical setting remains unclear. This study aimed to explore the differences in daytime variation among elective surgery patients who were scheduled to receive preemptive analgesia with equivalent doses of sufentanil, dezocine, and tramadol in the morning and afternoon. The analgesic effect was assessed by changes in the pressure pain threshold before and after intravenous administration of sufentanil, dezocine, and tramadol. Respiratory effects were evaluated using pulse oximetry, electrical impedance tomography, and arterial blood gas analysis. Other side effects, including nausea, sedation, and dizziness, were also recorded, and blood concentration was measured. The results showed that the analgesic effects of sufentanil, dezocine, and tramadol were significantly better in the morning than in afternoon. In the afternoon, sufentanil had a stronger sedative effect, whereas dezocine had a stronger inhibitory respiratory effect. The incidence of nausea was higher in the morning with tramadol. Additionally, significant differences in different side effects were observed among three opioids. Our results suggest that the clinical use of these three opioids necessitates the formulation of individualized treatment plans, accounting for different administration times, to achieve maximum analgesic effect with minimal side effects.
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Affiliation(s)
- Wanxia Gan
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Xinqing Yang
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Jie Chen
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Hongyao Lyu
- Department of Preventive Medicine, West China School of Public Health, Sichuan University, Chengdu, Sichuan, China
| | - Ai Yan
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Guizhen Chen
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Shiqi Li
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Yamei Zhang
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Ling Dan
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - He Huang
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
- *Correspondence: He Huang, ; Guangyou Duan,
| | - Guangyou Duan
- Department of Anesthesiology, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
- *Correspondence: He Huang, ; Guangyou Duan,
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Azmanov H, Bayatra A, Ilan Y. Digital Analgesic Comprising a Second-Generation Digital Health System: Increasing Effectiveness by Optimizing the Dosing and Minimizing Side Effects. J Pain Res 2022; 15:1051-1060. [PMID: 35444460 PMCID: PMC9013915 DOI: 10.2147/jpr.s356319] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 03/02/2022] [Indexed: 12/30/2022] Open
Abstract
Opioids remain an essential part of the treatment of chronic pain. However, their use and increasing rates of misuse are associated with high morbidity and mortality. The development of tolerance to opioids and analgesics further complicates dosing and the need to reduce side effects. First-generation digital systems were developed to improve analgesics but are not always capable of making clinically relevant associations and do not necessarily lead to better clinical efficacy. A lack of improved clinical outcomes makes these systems less applicable for adoption by clinicians and patients. There is a need to enhance the therapeutic regimens of opioids. In the present paper, we present the use of a digital analgesic that consists of an analgesic administered under the control of a second-generation artificial intelligence system. Second-generation systems focus on improved patient outcomes measured based on clinical response and reduced side effects in a single subject. The algorithm regulates the administration of analgesics in a personalized manner. The digital analgesic provides advantages for both users and providers. The system enables dose optimization, improving effectiveness, and minimizing side effects while increasing adherence to beneficial therapeutic regimens. The algorithm improves the clinicians’ experience and assists them in managing chronic pain. The system reduces the financial burden on healthcare providers by lowering opioid-related morbidity and provides a market disruptor for pharma companies.
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Affiliation(s)
- Henny Azmanov
- Hebrew University, Faculty of Medicine, Hadassah Medical Center, Jerusalem, Israel
| | - Areej Bayatra
- Hebrew University, Faculty of Medicine, Hadassah Medical Center, Jerusalem, Israel
| | - Yaron Ilan
- Hebrew University, Faculty of Medicine, Hadassah Medical Center, Jerusalem, Israel
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Resnik K, Brandão P, Alves EA. DARK Classics in Chemical Neuroscience: Bucinnazine. ACS Chem Neurosci 2021; 12:3527-3534. [PMID: 34528782 DOI: 10.1021/acschemneuro.1c00522] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Bucinnazine (1-butyryl-4-cinnamylpiperazine) is a synthetic opioid recently discovered in heroin seized samples in the U.S and in Europe. It was first synthesized in the late 1960s and has been used for the treatment of cancer-associated chronic pain in China for many years. Bucinnazine is one of the most potent compounds among the series of piperazines, which also include other relevant compounds, such as MT-45, AD-1211, and 2-methyl-AP-237, a methylated derivative of bucinnazine. Bucinnazine is considered a μ-selective opioid, binding primarily to the μ-opioid receptor. However, bucinnazine also may share several characteristics with other piperazines, which act primarily on dopamine, serotonin, and norepinephrine neurotransmission. At the present, bucinnazine is not scheduled in the U.S., as it is not a therapeutic choice for the treatment of pain. Nevertheless, with the advent of the cryptocurrency and the easy access of substances on the Darknet, bucinnazine is a real threat to the public health. This review discusses the main aspects of bucinnazine's chemistry, pharmacology, and toxicology and brings attention to the risk of the presence of this opioid in seized samples. Further studies on bucinnazine are still required to better evaluate its toxicity mechanisms, potential for drug-drug interactions, and abuse liability. Such information will be of utmost importance to guide future policies concerning the legal status of bucinnazine in the U.S.
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Affiliation(s)
- Karissa Resnik
- Department of Forensic Science, College of Humanities and Sciences, Virginia Commonwealth University, Richmond, Virginia 23284, United States
| | - Pedro Brandão
- CQC, Department of Chemistry, University of Coimbra, Coimbra 3004-535, Portugal
- LAQV-REQUIMTE, University of Évora, Évora 7000, Portugal
| | - Emanuele Amorim Alves
- Department of Forensic Science, College of Humanities and Sciences, Virginia Commonwealth University, Richmond, Virginia 23284, United States
- Oswaldo Cruz Foundation, Rio de Janeiro 21040-900, Brazil
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Timing of Morphine Administration Differentially Alters Paraventricular Thalamic Neuron Activity. eNeuro 2019; 6:ENEURO.0377-19.2019. [PMID: 31801741 PMCID: PMC6920517 DOI: 10.1523/eneuro.0377-19.2019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/21/2019] [Accepted: 11/26/2019] [Indexed: 12/29/2022] Open
Abstract
The paraventricular thalamic nucleus (PVT) is a brain region involved in regulating arousal, goal-oriented behaviors, and drug seeking, all key factors playing a role in substance use disorder. Given this, we investigated the temporal effects of administering morphine, an opioid with strongly addictive properties, on PVT neuronal function in mice using acute brain slices. Here, we show that morphine administration and electrophysiological recordings that occur during periods of animal inactivity (light cycle) elicit increases in PVT neuronal function during a 24-h abstinence time point. Furthermore, we show that morphine-induced increases in PVT neuronal activity at 24-h abstinence are occluded when morphine administration and recordings are performed during an animals' active state (dark cycle). Based on our electrophysiological results combined with previous findings demonstrating that PVT neuronal activity regulates drug-seeking behaviors, we investigated whether timing morphine administration with periods of vigilance (dark cycle) would decrease drug-seeking behaviors in an animal model of substance use disorder. We found that context-induced morphine-seeking behaviors were intact regardless of the time morphine was administered (e.g., light cycle or dark cycle). Our electrophysiological results suggest that timing morphine with various states of arousal may impact the firing of PVT neurons during abstinence. Although, this may not impact context-induced drug-seeking behaviors.
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