Skip to Content

861 Results Found

  • Article
  • Open Access
1 Citations
2,195 Views
14 Pages

Resentful, Resigned and Respectful: Opioid Analgesics, Pain and Control, a Qualitative Study

  • Richard Cooper,
  • Catriona Matheson,
  • Emily Pagan and
  • Helen Radford

11 February 2025

Opioid analgesic prescribing has increased significantly with associated concerns about dependence and overdose. This study aimed to explore non-cancer patients’ experiences and views of taking opioid analgesics to manage their pain. Twenty-two...

(This article belongs to the Section Pharmacy Practice and Practice-Based Research)
  • Review
  • Open Access
9 Citations
5,275 Views
18 Pages

Chronic pain is debilitating and represents a significant burden in terms of personal and socio-economic costs. Although opioid analgesics are widely used in chronic pain treatment, many patients report inadequate pain relief or relevant adverse effe...

(This article belongs to the Special Issue Biased Agonism in GPCRs: An Opportunity for Drug Discovery)
  • Review
  • Open Access
8 Citations
3,356 Views
28 Pages

1 November 2025

This review focuses on hydrogel-based systems specifically designed for non-opioid analgesics, aiming to improve efficacy, safety, and translational applicability. The opioid crisis has intensified the need for safer and more effective alternatives i...

(This article belongs to the Special Issue Regional Anesthesia and Pain Management: Mastering Clinical Art for Optimal Patient Satisfaction)
  • Review
  • Open Access
2 Citations
4,602 Views
13 Pages

Effects of Non-Opioid Analgesics on the Cell Membrane of Skin and Gastrointestinal Cancers

  • Natalia Janicka,
  • Agnieszka Sałek,
  • Magdalena Sawińska,
  • Ernest Kuchar and ,
  • Anna Wiela-Hojeńska and
  • Katarzyna Karłowicz-Bodalska
  • + 1 author+ 0 author

Skin and gastrointestinal cancer cells are the target of research by many scientists due to the increasing morbidity and mortality rates around the world. New indications for drugs used in various conditions are being discovered. Non-opioid analgesic...

(This article belongs to the Section Molecular Pharmacology)
  • Article
  • Open Access
7 Citations
3,527 Views
16 Pages

The use of opioid analgesics in treating severe pain is frequently associated with putative adverse effects in humans. Topical agents that are shown to have high efficacy with a favorable safety profile in clinical settings are great alternatives for...

(This article belongs to the Special Issue Topical Drug Delivery in the Treatment of Pain)
  • Article
  • Open Access
1 Citations
3,293 Views
14 Pages

Risk Factors for Emergency Department Presentations after the Initiation of Opioid Analgesics in Non-Cancer Patients in Korea: A Nationwide Study

  • Yoojin Noh,
  • Kyu-Nam Heo,
  • Dal-ah Kim,
  • Ji-Min Han and ,
  • Ju-Yeun Lee and
  • Young-Mi Ah
  • + 1 author+ 0 author

7 March 2023

Background and Objectives: Opioid use in Korea is lower than in other developed countries. However, recent studies have reported an increase in opioid prescriptions and the number of chronic opioid users. The current status of adverse events (AEs) as...

(This article belongs to the Section Emergency Medicine)
  • Brief Report
  • Open Access
1 Citations
2,009 Views
9 Pages

Timing of Naldemedine Initiation and Occurrence of Diarrhea in Patients Receiving Strong Opioid Analgesics: A Retrospective Study

  • Takuma Matsumoto,
  • Takuya Mura,
  • Tsubasa Wada,
  • Yuki Tsugo and ,
  • Naoko Mukai,
  • Terutaka Hamaoka,
  • Shuji Horita,
  • Yasushi Semba and
  • Shinichi Watanabe
  • + 4 authors+ 0 author

21 March 2025

Naldemedine, a peripherally acting μ-opioid receptor antagonist, is used to treat opioid-induced constipation (OIC). However, it causes diarrhea as an adverse effect. This retrospective study aimed to investigate whether the occurrence of diarrhea...

  • Article
  • Open Access
1 Citations
1,524 Views
20 Pages

Perceptual Discrepancies of Opioid Analgesics and Psychotropic Drugs: A Cross-Sectional Study of Korean Patients and Physicians

  • Yongsoo Lee,
  • Eun Hee Chun,
  • Yang-Ki Minn,
  • So Hyun Ahn and ,
  • Jae Hun Kim,
  • Hee Yong Kang,
  • Hye Sun Lee and
  • Jung Eun Kim
  • + 3 authors+ 0 author

31 October 2025

Background: Opioid analgesics and psychotropic drugs (medical narcotics) are essential for treating pain and psychiatric disorders. Unlike tiered classification systems used globally, Korea uniformly classifies these medications with illicit drugs un...

(This article belongs to the Special Issue Towards a New Paradigm: Opioid-Free and Opioid-Sparing Strategies in Modern Anesthesia)
  • Review
  • Open Access
8 Citations
4,914 Views
21 Pages

Shedding Light on the Pharmacological Interactions between μ-Opioid Analgesics and Angiotensin Receptor Modulators: A New Option for Treating Chronic Pain

  • Kornél Király,
  • Dávid Á. Karádi,
  • Ferenc Zádor,
  • Amir Mohammadzadeh and ,
  • Anna Rita Galambos,
  • Mihály Balogh,
  • Pál Riba,
  • Tamás Tábi,
  • Zoltán S. Zádori and
  • Mahmoud Al-Khrasani
  • + 7 authors+ 2 authors

13 October 2021

The current protocols for neuropathic pain management include µ-opioid receptor (MOR) analgesics alongside other drugs; however, there is debate on the effectiveness of opioids. Nevertheless, dose escalation is required to maintain their analgesia, w...

(This article belongs to the Special Issue Opioids and Their Receptors: Present and Emerging Concepts in Opioid Drug Discovery II)
  • Systematic Review
  • Open Access
5 Citations
4,889 Views
12 Pages

27 October 2023

Background and Objectives: Intravenous (IV) non-opioid analgesics (NOAs) have been extensively investigated as a multimodal analgesic strategy for the management of acute pain after hip surgery. This pair-wise meta-analysis examined IV NOA effects fo...

(This article belongs to the Section Surgery)
  • Article
  • Open Access
5 Citations
6,976 Views
14 Pages

Prescription of Opioid Analgesics for Chronic Non-Cancer Pain in Germany despite Contraindications: Administrative Claims Data Analysis

  • Anja Niemann,
  • Nils F. Schrader,
  • Christian Speckemeier,
  • Carina Abels and ,
  • Nikola Blase,
  • Milena Weitzel,
  • Anja Neumann,
  • Cordula Riederer,
  • Joachim Nadstawek and
  • Silke Neusser
  • + 7 authors+ 2 authors

In Germany, long-term opioid treatment (L-TOT) for chronic non-tumor pain (CNTP) is discussed as not being performed according to the German guideline on L-TOT for CNTP. In the present analysis, the occurrence and predictors of inappropriate care/ove...

(This article belongs to the Section Health Care Sciences & Services)
  • Review
  • Open Access
9 Citations
6,043 Views
21 Pages

Glycine Transporter 1 Inhibitors: Predictions on Their Possible Mechanisms in the Development of Opioid Analgesic Tolerance

  • Anna Rita Galambos,
  • Zsolt Tamás Papp,
  • Imre Boldizsár,
  • Ferenc Zádor and ,
  • László Köles,
  • Laszlo G. Harsing and
  • Mahmoud Al-Khrasani
  • + 2 authors+ 0 author

The development of opioid tolerance in patients on long-term opioid analgesic treatment is an unsolved matter in clinical practice thus far. Dose escalation is required to restore analgesic efficacy, but at the price of side effects. Intensive resear...

(This article belongs to the Section Neurobiology and Clinical Neuroscience)
  • Review
  • Open Access
21 Citations
16,184 Views
32 Pages

One of the strategies in the search for safe and effective analgesic drugs is the design of multitarget analgesics. Such compounds are intended to have high affinity and activity at more than one molecular target involved in pain modulation. In the p...

(This article belongs to the Section Molecular Biology)
  • Review
  • Open Access
452 Views
46 Pages

Opioid Peptide Hybrids as Multifunctional Analgesic Ligands: Emphasis on Intracellular Signaling

  • Igor Cecherz,
  • Jakub Waśkiewicz,
  • Alicja Dudek,
  • Dariusz Polatyński and ,
  • Karol Wtorek and
  • Justyna Piekielna-Ciesielska
  • + 1 author+ 0 author

30 September 2026

Opioid peptide hybrids are multifunctional molecules in which an opioid pharmacophore is covalently integrated with a second opioid or non-opioid pharmacophore within a single molecular entity. Their development is driven by a major challenge in anal...

(This article belongs to the Special Issue Design, Synthesis and Pharmacological Evaluation of Novel Opioid/Non-Opioid Hybrid Compounds)
  • Article
  • Open Access
9 Citations
530 Views

The unpleasant and subjective sensation resulting from a noxious sensory stimulus defines the phenomenon of pain. The podiatric physician is no stranger to the difficulties in achieving optimal pain therapy. Podiatric physicians must develop analgesi...

  • Article
  • Open Access
5 Citations
4,335 Views
13 Pages

22 August 2019

There has been an increase in opioid analgesic prescribing in general practice (GP). This is causing some concern around this contributing to dependency. NHS Lanarkshire have attempted to reduce the prescribing from GP surgeries through the developme...

  • Article
  • Open Access
13 Citations
3,357 Views
17 Pages

Genome-Wide Association Study Identifies Candidate Loci Associated with Opioid Analgesic Requirements in the Treatment of Cancer Pain

  • Daisuke Nishizawa,
  • Takeshi Terui,
  • Kunihiko Ishitani,
  • Shinya Kasai and ,
  • Junko Hasegawa,
  • Kyoko Nakayama,
  • Yuko Ebata and
  • Kazutaka Ikeda
  • + 3 authors+ 0 author

27 September 2022

Considerable individual differences have been widely observed in the sensitivity to opioids. We conducted a genome-wide association study (GWAS) in patients with cancer pain to identify potential candidate single-nucleotide polymorphisms (SNPs) that...

(This article belongs to the Special Issue Palliative and Supportive Care in Oncology: An Update)
  • Article
  • Open Access
843 Views
19 Pages

Associations of OPRM1, COMT, and ABCB1 Variants with Opioid Analgesic Response in Acute Renal Colic: A Candidate-Gene Study

  • Sıtkı Ün,
  • Ramazan Sabırlı,
  • İbrahim Türkçüer,
  • Gergana Lengerova and ,
  • Martina Bozhkova,
  • Steliyan Petrov and
  • Aylin Köseler
  • + 2 authors+ 0 author

24 August 2026

Background: Acute renal colic is a common urological emergency characterized by substantial interindividual variability in analgesic response. Pharmacogenetic variation in OPRM1, COMT, and ABCB1 may contribute to differences in opioid efficacy and pa...

(This article belongs to the Section Pharmacology)
  • Review
  • Open Access
3 Citations
9,052 Views
9 Pages

Long-acting injectable (LAI) opioid formulations mitigate the harm profiles and management challenges associated with providing effective analgesia for animals. A single dose of a long-acting opioid analgesic can provide up to 72 h of clinically rele...

(This article belongs to the Special Issue Pharmacokinetics and Pharmacodynamics in Animal Clinical Treatment)
  • Review
  • Open Access
72 Citations
12,889 Views
13 Pages

Biased versus Partial Agonism in the Search for Safer Opioid Analgesics

  • Joaquim Azevedo Neto,
  • Anna Costanzini,
  • Roberto De Giorgio,
  • David G. Lambert and ,
  • Chiara Ruzza and
  • Girolamo Calò
  • + 1 author+ 0 author

25 August 2020

Opioids such as morphine—acting at the mu opioid receptor—are the mainstay for treatment of moderate to severe pain and have good efficacy in these indications. However, these drugs produce a plethora of unwanted adverse effects including...

(This article belongs to the Special Issue Opioids and Their Receptors: Present and Emerging Concepts in Opioid Drug Discovery)
  • Article
  • Open Access
2 Citations
2,697 Views
10 Pages

12 February 2020

Background: Scanty data exist on the integration between the analgesic effect of opioids, dose changes, and adverse events in cancer patients. Methods: To provide further information on this issue, we analysed data on 498 advanced-stage cancer patien...

(This article belongs to the Special Issue Application of Opioids in Clinical Medicine)
  • Article
  • Open Access
6 Citations
2,646 Views
15 Pages

Opioid Analgesic as a Positive Allosteric Modulator of Acid-Sensing Ion Channels

  • Dmitry I. Osmakov,
  • Lyudmila V. Onoprienko,
  • Aleksandr P. Kalinovskii,
  • Sergey G. Koshelev and ,
  • Vasiliy N. Stepanenko,
  • Yaroslav A. Andreev and
  • Sergey A. Kozlov
  • + 2 authors+ 0 author

24 January 2024

Tafalgin (Taf) is a tetrapeptide opioid used in clinical practice in Russia as an analgesic drug for subcutaneous administration as a solution (4 mg/mL; concentration of 9 mM). We found that the acid-sensing ion channels (ASICs) are another molecular...

(This article belongs to the Section Molecular Pharmacology)
  • Article
  • Open Access
6 Citations
4,556 Views
19 Pages

Bis-Cyclic Guanidine Heterocyclic Peptidomimetics as Opioid Ligands with Mixed μ-, κ- and δ-Opioid Receptor Interactions: A Potential Approach to Novel Analgesics

  • Jay P. McLaughlin,
  • Ramanjaneyulu Rayala,
  • Ashley J. Bunnell,
  • Mukund P. Tantak and ,
  • Shainnel O. Eans,
  • Khadija Nefzi,
  • Michelle L. Ganno,
  • Colette T. Dooley and
  • Adel Nefzi
  • + 4 authors+ 0 author

25 August 2022

The design and development of analgesics with mixed-opioid receptor interactions has been reported to decrease side effects, minimizing respiratory depression and reinforcing properties to generate safer analgesic therapeutics. We synthesized bis-cyc...

(This article belongs to the Special Issue Small Molecule Drug Design and Research)
  • Article
  • Open Access
2,399 Views
39 Pages

Kratom (Mitragyna speciosa) as a Phytochemical-Based Natural Product Exhibiting Opioid-like Analgesic Effects with Reduced Tolerance and Dependence Liability via TLR4-Associated Neuroimmune Modulation

  • Fajar Prasetya,
  • Niken Indriyanti,
  • Nurul Muhlisa Mus,
  • Mentarry Bafadal and ,
  • Raisa Fadilla,
  • Yuli Widiyastuti,
  • Chaidir Chaidir,
  • Hadi Kuncoro,
  • Sofa Fajriah and
  • Hady Anshory
  • + 15 authors+ 10 authors

26 April 2026

Kratom (Mitragyna speciosa) is a botanical candidate for pain management with potentially reduced opioid-related risks, partly through modulation of neuroimmune pathways involving Toll-Like Receptor 4 (TLR4). This study aimed to characterize the phyt...

(This article belongs to the Special Issue Redox-Active Molecules as Key Players for Inflammatory Diseases)
  • Article
  • Open Access
4 Citations
4,642 Views
16 Pages

Evaluating Drug Interactions between Ritonavir and Opioid Analgesics: Implications from Physiologically Based Pharmacokinetic Simulation

  • Liang Ni,
  • Zhihai Cao,
  • Jiakang Jiang,
  • Wei Zhang and ,
  • Wei Hu,
  • Qian Zhang,
  • Chaozhuang Shen,
  • Xijing Chen and
  • Liang Zheng
  • + 4 authors+ 0 author

Several commonly used opioid analgesics, such as fentanyl, sufentanil, alfentanil, and hydrocodone, are by report primarily metabolized by the CYP3A4 enzyme. The concurrent use of ritonavir, a potent CYP3A4 inhibitor, can lead to significant drug int...

(This article belongs to the Section Pharmacology)
  • Article
  • Open Access
5 Citations
2,539 Views
13 Pages

Photocatalytic Degradation of Selected Non-Opioid Analgesics Driven by Solar Light Exposure

  • Ewa Pobozy,
  • Sylwia Kaczmarek,
  • Krzysztof Miecznikowski,
  • Krystyna Pyrzynska and
  • Magdalena Biesaga

3 September 2024

The residues of pharmaceutical compounds are often resistant to degradation, causing an environmental problem. Our research aimed to perform a study of the photocatalytic and photoelectrocatalytic degradation of non-opioid analgesic paracetamol and s...

(This article belongs to the Section Chemical and Molecular Sciences)
  • Review
  • Open Access
14 Citations
8,222 Views
11 Pages

A Meta-Analysis of the Analgesic Efficacy of Single-Doses of Ibuprofen Compared to Traditional Non-Opioid Analgesics Following Third Molar Surgery

  • Lorenzo Franco-de la Torre,
  • Norma Patricia Figueroa-Fernández,
  • Diana Laura Franco-González,
  • Ángel Josabad Alonso-Castro and ,
  • Federico Rivera-Luna and
  • Mario Alberto Isiordia-Espinoza
  • + 1 author+ 0 author

14 April 2021

The purpose of this systematic review was to determine the analgesic efficacy and adverse effects of ibuprofen in comparison with other traditional non-opioid analgesics after third molar surgery. A total of 17 full texts were identified in PubMed an...

(This article belongs to the Section Pharmacology)
  • Systematic Review
  • Open Access
13 Citations
4,823 Views
19 Pages

Non-Opioid Analgesics and Adjuvants after Surgery in Adults with Obesity: Systematic Review with Network Meta-Analysis of Randomized Controlled Trials

  • Michele Carron,
  • Enrico Tamburini,
  • Federico Linassi,
  • Tommaso Pettenuzzo and ,
  • Annalisa Boscolo and
  • Paolo Navalesi
  • + 1 author+ 0 author

3 April 2024

Background/Objectives: Managing postoperative pain in patients with obesity is challenging. Although using a combination of pain relief methods is recommended for these patients, the true effectiveness of various intravenous non-opioid analgesics and...

(This article belongs to the Section Anesthesiology)
  • Article
  • Open Access
14 Citations
3,476 Views
15 Pages

Novel N-normetazocine Derivatives with Opioid Agonist/Sigma-1 Receptor Antagonist Profile as Potential Analgesics in Inflammatory Pain

  • Rita Turnaturi,
  • Santina Chiechio,
  • Lorella Pasquinucci,
  • Salvatore Spoto and ,
  • Giuliana Costanzo,
  • Maria Dichiara,
  • Silvia Piana,
  • Margherita Grasso,
  • Emanuele Amata and
  • Carmela Parenti
  • + 6 authors+ 1 author

12 August 2022

Although opioids and nonsteroidal anti-inflammatory drugs (NSAIDs) are the most common drugs used in persistent pain treatment; they have shown many side effects. The development of new analgesics endowed with mu opioid receptor/delta opioid receptor...

(This article belongs to the Special Issue Synthesis and Application of Opioids)
  • Review
  • Open Access
1 Citations
1,412 Views
13 Pages

Synaptic Plasticity as a Mechanism of Opioid Tolerance and Hyperalgesia

  • Fenfen Qin,
  • Qisheng Wang,
  • Salahadin Abdi and
  • Lingyong Li

18 April 2026

Opioid analgesics are essential in the management of severe and chronic pain; however, their prolonged use is limited by the onset of analgesic tolerance and opioid-induced hyperalgesia (OIH). Recent studies increasingly implicate both synaptic funct...

(This article belongs to the Section Neuroscience)
  • Review
  • Open Access
8 Citations
4,064 Views
21 Pages

21 October 2021

Biphalin, one of the opioid agonists, is a dimeric analog of enkephalin with a high affinity for opioid receptors. Opioid receptors are widespread in the central nervous system and in peripheral neuronal and non-neuronal tissues. Hence, these recepto...

(This article belongs to the Special Issue Peptides for Health Benefits 2021)
  • Article
  • Open Access
3 Citations
2,710 Views
10 Pages

20 October 2021

(1) Background: The prevalence of opioid use in Taiwan increased by 41% between 2002 and 2014. However, little is known regarding the risk of mortality among long-term opioid analgesics users who do not have cancer. This study investigated this morta...

(This article belongs to the Special Issue Pharmacy Practice and Administration)
  • Article
  • Open Access
6 Citations
3,435 Views
14 Pages

6 January 2021

Background and objectives: The fixed-rate continuous background infusion mode with bolus dosing is a common modality for intravenous patient-controlled analgesia (PCA). However, some patients suffer from inadequate analgesia or opioid-related adverse...

(This article belongs to the Special Issue Frontiers in Perioperative Medicine of Anesthesia and Pain Medicine)
  • Review
  • Open Access
31 Citations
10,403 Views
22 Pages

On the Role of Peripheral Sensory and Gut Mu Opioid Receptors: Peripheral Analgesia and Tolerance

  • Susanna Fürst,
  • Zoltán S. Zádori,
  • Ferenc Zádor,
  • Kornél Király and ,
  • Mihály Balogh,
  • Szilvia B. László,
  • Barbara Hutka,
  • Amir Mohammadzadeh,
  • Chiara Calabrese and
  • Mahmoud Al-Khrasani
  • + 12 authors+ 7 authors

There is growing evidence on the role of peripheral µ-opioid receptors (MORs) in analgesia and analgesic tolerance. Opioid analgesics are the mainstay in the management of moderate to severe pain, and their efficacy in the alleviation of pain i...

(This article belongs to the Special Issue Opioids and Their Receptors: Present and Emerging Concepts in Opioid Drug Discovery)
  • Article
  • Open Access
17 Citations
4,677 Views
10 Pages

Implementation of a Standardized Post-Cesarean Delivery Order Set with Multimodal Combination Analgesia Reduces Inpatient Opioid Usage

  • Eran Bornstein,
  • Gregg Husk,
  • Erez Lenchner,
  • Amos Grunebaum and ,
  • Therese Gadomski,
  • Cristina Zottola,
  • Sarah Werner,
  • Jamie S. Hirsch and
  • Frank A. Chervenak
  • + 4 authors+ 0 author

22 December 2020

Background: Opioid use has emerged as a leading cause of death in the US. Given that 1 in 300 opioid-naive patients exposed to opioids after cesarean birth will become persistent users, hospitals should strive to limit exposure to these medications....

(This article belongs to the Section Obstetrics & Gynecology)
  • Article
  • Open Access
11 Citations
3,321 Views
11 Pages

The Trends in Opioid Use in Castile and Leon, Spain: A Population-Based Registry Analysis of Dispensations in 2015 to 2018

  • Francisco Herrera-Gómez,
  • Eduardo Gutierrez-Abejón,
  • Ignacio Ayestarán,
  • Paloma Criado-Espegel and
  • F. Javier Álvarez

5 December 2019

Opioids are driving-impairing medicines (DIM). To assess the evolution and trends of opioid analgesics use between 2015 and 2018 in Castile and Leon (Spain), a population-based registry study was conceived. The length of opioid use and its concomitan...

(This article belongs to the Special Issue Application of Opioids in Clinical Medicine)
  • Article
  • Open Access
1 Citations
824 Views
13 Pages

Analgesic Use in Patients with Mild Inflammatory Bowel Disease—A Nationwide Cohort Study Based on Prescription Data

  • Bente Mertz Nørgård,
  • Caroline Theilgaard Thorarinsson,
  • Kevin Erichsen Zeiss,
  • Rahul S. Dalal and ,
  • Mette Louise Andersen,
  • Ken Lund,
  • Sonia Friedman,
  • Jens Kjeldsen and
  • Torben Knudsen
  • + 4 authors+ 0 author

20 April 2026

Background: In patients with Crohn’s disease (CD) and ulcerative colitis (UC) disease severity and activity have been associated with pain. Data on analgesic use in patients with mild disease, however, are limited. We examined prescribed analge...

(This article belongs to the Special Issue Patient-Reported Outcomes (PROs) in Inflammatory Bowel Disease (IBD) Around the World—2nd Edition)
  • Article
  • Open Access
14 Citations
5,792 Views
12 Pages

In Vitro Analyses of Spinach-Derived Opioid Peptides, Rubiscolins: Receptor Selectivity and Intracellular Activities through G Protein- and β-Arrestin-Mediated Pathways

  • Yusuke Karasawa,
  • Kanako Miyano,
  • Hideaki Fujii,
  • Takaaki Mizuguchi and ,
  • Yui Kuroda,
  • Miki Nonaka,
  • Akane Komatsu,
  • Kaori Ohshima,
  • Masahiro Yamaguchi and
  • Masakazu Hayashida
  • + 8 authors+ 3 authors

8 October 2021

Activated opioid receptors transmit internal signals through two major pathways: the G-protein-mediated pathway, which exerts analgesia, and the β-arrestin-mediated pathway, which leads to unfavorable side effects. Hence, G-protein-biased opioid agon...

(This article belongs to the Special Issue Opioids and Their Receptors: Present and Emerging Concepts in Opioid Drug Discovery II)
  • Article
  • Open Access
2,922 Views
14 Pages

6 October 2021

Background and Objectives: The cutoff values were analyzed for providing the ideal intravenous patient-controlled analgesia (PCA) that could reduce rescue analgesics or antiemetics requirements, based on the grades of postoperative pain intensity (PP...

(This article belongs to the Special Issue Current Challenges and Future Prospects in Pain Therapy)
  • Article
  • Open Access
14 Citations
3,980 Views
21 Pages

Antinociceptive and Cytotoxic Activity of Opioid Peptides with Hydrazone and Hydrazide Moieties at the C-Terminus

  • Jolanta Dyniewicz,
  • Piotr F. J. Lipiński,
  • Piotr Kosson,
  • Marta Bochyńska-Czyż and ,
  • Joanna Matalińska and
  • Aleksandra Misicka
  • + 1 author+ 0 author

28 July 2020

In the present contribution, we analyze the influence that C-terminal extension of short opioid peptide sequences by organic fragments has on receptor affinity, in vivo analgesic activity, and antimelanoma properties. The considered fragments were ba...

(This article belongs to the Special Issue Advances in Research of Short Peptides)
  • Article
  • Open Access
4 Citations
2,295 Views
8 Pages

Influence of Brain Metastasis on Analgesia-Related Outcomes in Patients with Lung and Breast Cancers Treated with Naldemedine: A Propensity Score-Matched Analysis

  • Aya Hanamoto,
  • Takenao Koseki,
  • Ayaka Utsunomiya,
  • Takuma Ishihara and ,
  • Takao Tobe,
  • Masashi Kondo,
  • Yuko Kijima,
  • Hiroshi Matsuoka,
  • Tomohiro Mizuno and
  • Shigeki Yamada
  • + 6 authors+ 1 author

9 November 2023

Naldemedine is structurally designed to prevent passage across the blood–brain barrier (BBB), resulting in the attenuation of opioid-induced constipation without interfering with the analgesic effects of opioids. However, the influence of brain...

(This article belongs to the Section Oncology)
  • Proceeding Paper
  • Open Access
4 Citations
2,277 Views
4 Pages

Effects of Biphalin on Corneal Epithelial Wound Healing

  • Erdost Yıldız,
  • Özgün Melike Gedar Totuk,
  • Adriano Mollica,
  • Kerem Kabadayı and
  • Afsun Şahin

5 December 2018

After physical or surgical damage of corneal epithelium, most of analgesic drugs, like non-selective opioid agonists and non-steroid anti-inflammatory drugs, cannot be used because of their negative effects on wound healing process. Biphalin is selec...

(This article belongs to the Proceedings of The 2nd International Cell Death Research Congress)
  • Article
  • Open Access
17 Citations
6,756 Views
20 Pages

Phenylalanine Stereoisomers of CJ-15,208 and [d-Trp]CJ-15,208 Exhibit Distinctly Different Opioid Activity Profiles

  • Ariana C. Brice-Tutt,
  • Sanjeewa N. Senadheera,
  • Michelle L. Ganno,
  • Shainnel O. Eans and ,
  • Tanvir Khaliq,
  • Thomas F. Murray,
  • Jay P. McLaughlin and
  • Jane V. Aldrich
  • + 3 authors+ 0 author

2 September 2020

The macrocyclic tetrapeptide cyclo[Phe-d-Pro-Phe-Trp] (CJ-15,208) and its stereoisomer cyclo[Phe-d-Pro-Phe-d-Trp] exhibit different opioid activity profiles in vivo. The present study evaluated the influence of the Phe residues’ stereochemistry...

(This article belongs to the Special Issue Opioids and Their Receptors: Present and Emerging Concepts in Opioid Drug Discovery)
  • Article
  • Open Access
4 Citations
2,880 Views
15 Pages

Patterns of Opioid and Non-Opioid Analgesic Consumption in Patients with Post-COVID-19 Conditions

  • Pilar Carrasco-Garrido,
  • Domingo Palacios-Ceña,
  • Valentín Hernández-Barrera,
  • Isabel Jiménez-Trujillo and ,
  • Carmen Gallardo-Pino and
  • Cesar Fernández-de-las-Peñas
  • + 1 author+ 0 author

18 October 2023

Pain is a major health issue for healthcare systems, and access to pain treatment is a fundamental human right. Pain is a common symptom experienced in the post-COVID phase by a significant percentage of patients. This study describes the prevalence...

(This article belongs to the Topic Post COVID-19: Latest Advances, Challenges and Methodologies)
  • Review
  • Open Access
189 Citations
32,045 Views
16 Pages

Transdermal and Topical Drug Administration in the Treatment of Pain

  • Wojciech Leppert,
  • Malgorzata Malec–Milewska,
  • Renata Zajaczkowska and
  • Jerzy Wordliczek

The comprehensive treatment of pain is multidimodal, with pharmacotherapy playing a key role. An effective therapy for pain depends on the intensity and type of pain, the patients’ age, comorbidities, and appropriate choice of analgesic, its dose and...

(This article belongs to the Special Issue Medicinal Chemistry in Europe)
  • Article
  • Open Access
1 Citations
3,516 Views
16 Pages

3 January 2023

Pain is a common clinical symptom among patients. Although various opioid analgesics have been developed, their side effects hinder their application. This study aimed to develop a novel opioid analgesic, HAGD (H-Tyr-D-AIa-GIy-Phe-NH2), with limited...

(This article belongs to the Section Medicinal Chemistry)
  • Article
  • Open Access
1 Citations
1,229 Views
7 Pages

Treatment of chronic pain is challenging. The Arkys project was initiated in Italy to assist general practitioners (GPs) in the management of chronic pain. The main objective of this study was to determine the usefulness of Arkys for selecting new th...

  • Article
  • Open Access
462 Views
14 Pages

8 July 2026

Background and Objectives: The clinical impact of hyperoxia, particularly its analgesic effects and potential pulmonary risks, remains controversial. This study investigated whether higher intraoperative arterial oxygen tension (PaO2) reduces postope...

(This article belongs to the Special Issue Anesthesia and Analgesia in Surgical Practice: 2nd Edition)
  • Article
  • Open Access
375 Views
14 Pages

Involvement of the Opioid Pathway in the Antinociceptive Activity of the Aqueous Stem Extract from Doyerea emetocathartica

  • Genil Dantas de Oliveira,
  • Magna Maria Lima Araújo,
  • Paulo César Dantas da Silva,
  • Gabriela Ribeiro de Sousa and ,
  • Mariana França de Moraes,
  • Wêndeo Kennedy Costa,
  • Maria Tereza dos Santos Correia,
  • Alisson Macário de Oliveira,
  • Samuel Paulo Cibulski and
  • Harley da Silva Alves
  • + 5 authors+ 0 author

Background: Doyerea emetocathartica (Cucurbitaceae) is endemic to the Brazilian Caatinga, commonly known as “cabeça-de-negro”, and is traditionally used to treat various conditions, including pain. Previous studies have demons...

(This article belongs to the Section Drug Targeting and Design)
  • Review
  • Open Access
13 Citations
9,988 Views
26 Pages

Pharmacological Treatments and Therapeutic Drug Monitoring in Patients with Chronic Pain

  • Federica De Rosa,
  • Bruno Giannatiempo,
  • Bruno Charlier,
  • Albino Coglianese and ,
  • Francesca Mensitieri,
  • Giulia Gaudino,
  • Armando Cozzolino,
  • Amelia Filippelli,
  • Ornella Piazza and
  • Viviana Izzo
  • + 6 authors+ 1 author

Pain is an unpleasant sensory and emotional experience that affects every aspect of a patient’s life and which may be treated through different pharmacological and non-pharmacological approaches. Analgesics are the drugs most commonly used to t...

(This article belongs to the Section Clinical Pharmaceutics)

of 18