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Szabo E, Olson PA. Basic Science Prize Award 2023. Headache 2024. [PMID: 38828666 DOI: 10.1111/head.14747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Accepted: 05/11/2024] [Indexed: 06/05/2024]
Affiliation(s)
- Edina Szabo
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
- Department of Anaesthesiology, Harvard Medical School, Boston, Massachusetts, USA
| | - Patricia A Olson
- Department of Neurology, Indiana University School of Medicine, Indianapolis, Indiana, USA
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Rossignol J, Ouimet T, Poras H, Dallel R, Luccarini P. Synergistic effect of combining dual enkephalinase inhibitor PL37 and sumatriptan in a preclinical model of migraine. Headache 2024; 64:243-252. [PMID: 38385629 DOI: 10.1111/head.14681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 01/19/2024] [Accepted: 01/25/2024] [Indexed: 02/23/2024]
Abstract
OBJECTIVE The aim of this study was to test whether a combination of sumatriptan with dual enkephalinase inhibitor PL37 would result in an additive or a synergistic effect. BACKGROUND Combination treatment is frequently used to improve the therapeutic efficacy of drugs. The co-administration of two drugs may result in efficacy at lower doses than those needed for either drug alone, thus minimizing side effects. Here, we tested the effect of the co-administration of two drugs on cutaneous mechanical hypersensitivity (MH), a symptom often affecting cephalic regions in patients with migraine: dual enkephalinase inhibitor PL37, a small molecule that protects enkephalins from rapid degradation, and sumatriptan, a serotonin 5-HT1B/1D receptor agonist. METHODS We investigated the effects of oral administrations of sumatriptan, PL37, or their combination on changes in cutaneous mechanical sensitivity induced by a single intraperitoneal administration of the nitric oxide donor, isosorbide dinitrate (ISDN) in male rats. Mechanical sensitivity was assessed using von Frey filaments applied to the face of animals to determine pain thresholds. Isobolographic analysis was performed to determine the nature of the interaction between sumatriptan and PL37. RESULTS Sumatriptan as well as PL37 each produced a dose-dependent inhibition of ISDN-induced cephalic MH. Median effective dose (ED50 ) values were 0.3 and 1.1 mg/kg for sumatriptan and PL37, respectively. An isobolographic analysis of the effect of combined doses of sumatriptan and PL37 based on their calculated ED50 values demonstrated a synergistic effect of the combination on cephalic MH, with an interaction index of 0.14 ± 0.04. CONCLUSION These results suggest that PL37 acts synergistically with sumatriptan to produce an anti-allodynic effect in a rat model of migraine. Thus, combining PL37 and sumatriptan may be a useful therapeutic strategy in the management of migraine. PLAIN LANGUAGE SUMMARY There have been many advances in migraine treatment, but we still need more options that are effective and have few side effects. Sumatriptan is one available drug for acute treatment of migraine, but it does not work for every patient and is not suitable for some people. We tested a new drug called PL37 (that blocks enkephalinases) together with sumatriptan and the combination minimized side effects and allowed lower doses of the drugs for effective migraine treatment in an animal model.
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Affiliation(s)
- Jeanne Rossignol
- Neuro-Dol, Inserm, CHU Clermont-Ferrand, Université Clermont Auvergne, Clermont-Ferrand, France
- R & D Department, Pharmaleads SA, Paris, France
| | | | - Hervé Poras
- R & D Department, Pharmaleads SA, Paris, France
| | - Radhouane Dallel
- Neuro-Dol, Inserm, CHU Clermont-Ferrand, Université Clermont Auvergne, Clermont-Ferrand, France
| | - Philippe Luccarini
- Neuro-Dol, Inserm, CHU Clermont-Ferrand, Université Clermont Auvergne, Clermont-Ferrand, France
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Chiang CC, Porreca F, Robertson CE, Dodick DW. Potential treatment targets for migraine: emerging options and future prospects. Lancet Neurol 2024; 23:313-324. [PMID: 38365382 DOI: 10.1016/s1474-4422(24)00003-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 10/23/2023] [Accepted: 01/05/2024] [Indexed: 02/18/2024]
Abstract
Migraine is a leading cause of disability worldwide. Despite the recent approval of several calcitonin gene-related peptide-targeted therapies, many people with migraine do not achieve satisfactory headache improvement with currently available therapies and there continues to be an unmet need for effective and tolerable migraine-specific treatments. Exploring additional targets that have compelling evidence for their involvement in modulating migraine pathways is therefore imperative. Potential new therapies for migraine include pathways involved in nociception, regulation of homoeostasis, modulation of vasodilation, and reward circuits. Animal and human studies show that these targets are expressed in regions of the CNS and peripheral nervous system that are involved in pain processing, indicating that these targets might be regarded as promising for the discovery of new migraine therapies. Future studies will require assessment of whether targets are suitable for therapeutic modulation, including assessment of specificity, affinity, solubility, stability, efficacy, and safety.
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Affiliation(s)
| | - Frank Porreca
- Department of Pharmacology, University of Arizona, Tucson, AZ, USA
| | | | - David W Dodick
- Department of Neurology, Mayo Clinic, Scottsdale, AZ, USA; Atria Academy of Science and Medicine, New York, NY, USA
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Wang A, Murphy J, Shteynman L, Daksla N, Gupta A, Bergese S. Novel Opioids in the Setting of Acute Postoperative Pain: A Narrative Review. Pharmaceuticals (Basel) 2023; 17:29. [PMID: 38256863 PMCID: PMC10819619 DOI: 10.3390/ph17010029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/17/2023] [Accepted: 12/19/2023] [Indexed: 01/24/2024] Open
Abstract
Although traditional opioids such as morphine and oxycodone are commonly used in the management of acute postoperative pain, novel opioids may play a role as alternatives that provide potent pain relief while minimizing adverse effects. In this review, we discuss the mechanisms of action, findings from preclinical studies and clinical trials, and potential advantages of several novel opioids. The more established include oliceridine (biased ligand activity to activate analgesia and downregulate opioid-related adverse events), tapentadol (mu-opioid agonist and norepinephrine reuptake inhibitor), and cebranopadol (mu-opioid agonist with nociceptin opioid peptide activity)-all of which have demonstrated success in the clinical setting when compared to traditional opioids. On the other hand, dinalbuphine sebacate (DNS; semi-synthetic mu partial antagonist and kappa agonist), dual enkephalinase inhibitors (STR-324, PL37, and PL265), and endomorphin-1 analog (CYT-1010) have shown good efficacy in preclinical studies with future plans for clinical trials. Rather than relying solely on mu-opioid receptor agonism to relieve pain and risk opioid-related adverse events (ORAEs), novel opioids make use of alternative mechanisms of action to treat pain while maintaining a safer side-effect profile, such as lower incidence of nausea, vomiting, sedation, and respiratory depression as well as reduced abuse potential.
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Affiliation(s)
- Ashley Wang
- Department of Anesthesiology, Stony Brook University Hospital, Stony Brook, NY 11794, USA; (A.W.); (N.D.); (A.G.)
| | - Jasper Murphy
- Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA; (J.M.); (L.S.)
| | - Lana Shteynman
- Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11794, USA; (J.M.); (L.S.)
| | - Neil Daksla
- Department of Anesthesiology, Stony Brook University Hospital, Stony Brook, NY 11794, USA; (A.W.); (N.D.); (A.G.)
| | - Abhishek Gupta
- Department of Anesthesiology, Stony Brook University Hospital, Stony Brook, NY 11794, USA; (A.W.); (N.D.); (A.G.)
| | - Sergio Bergese
- Department of Anesthesiology, Stony Brook University Hospital, Stony Brook, NY 11794, USA; (A.W.); (N.D.); (A.G.)
- Department of Neurosurgery, Stony Brook University Hospital, Stony Brook, NY 11794, USA
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Porporatti AL, de Oliveira Machado CA, Alajbeg I, Alajbeg IZ, Paszynska E, Dmitrzak-Weglarz M, Braud A, Boucher Y. Opiorphin as a biomarker of orofacial conditions: a meta-analysis. Sci Rep 2023; 13:15533. [PMID: 37726305 PMCID: PMC10509258 DOI: 10.1038/s41598-023-42051-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Accepted: 09/05/2023] [Indexed: 09/21/2023] Open
Abstract
The aim of this meta-analysis was to answer the following question: "Are there any differences in opiorphin biomarker concentrations between different orofacial conditions and controls?". Two reviewers searched for observational studies that evaluated the levels of opiorphin in orofacial conditions, annotated in seven main databases and three that compile gray literature. Of the 443 articles obtained initially, 8 met the inclusion criteria for quantitative analyses. Relative percentages showed a mean 24.1% higher opiorphin concentration in chronic conditions (Burning Mouth Syndrome, Oral Potentially Malignant Diseases and Temporomandibular Disorder) compared to controls; 33.2% higher opiorphin in sustained pain (Symptomatic Irreversible Pulpitis, Symptomatic Apical Periodontitis, Painful Oral Soft-tissue conditions); and 21.7% higher opiorphin after stimuli (Corneal Foreign Body, Capsaicin). Meta-analysis revealed a standardized mean difference of 0.62 [0.02, 1.22] in the absolute concentration of opiorphin in saliva for the chronic group compared to the control. The analogous values for the sustained group and the stimulated group were 2.24 [0.34, 4.14] and 0.43 [0.00, 0.85], respectively. No differences in opiorphin levels were found for 'after Local Anesthesia before Tooth Extraction' or for apicoectomy. Based on the available evidence, in general, a statistically higher level of opiorphin is found in orofacial conditions. Salivary opiorphin levels are elevated in chronic, persisted and acute pain conditions, presumably reflecting a physiological homeostatic adaptative response to different conditions such as stress or pain. Salivary opiorphin might therefore be used as a valuable biomarker in several oral disorders.
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Affiliation(s)
- André Luís Porporatti
- Laboratoire de Neurobiologie OroFaciale (LabNOF, EA7543), Service Odontologie, Université Paris Cité, Groupe Hospitalier Pitié Salpêtrière-APHP, 47-83 Bd de l'Hôpital, 75651, Paris Cedex 13, France.
- GHPS Assistance Publique Hôpitaux de Paris, Paris, France.
| | | | - Ivan Alajbeg
- Oral Medicine, School of Dental Medicine, University of Zagreb, Zagreb, Croatia
| | - Iva Z Alajbeg
- Prosthetic Dentistry, School of Dental Medicine, University of Zagreb, Zagreb, Croatia
| | - Elzbieta Paszynska
- Department of Integrated Dentistry, Poznan University of Medical Sciences, Poznan, Poland
| | - Monika Dmitrzak-Weglarz
- Department of Psychiatric Genetics, Department of Psychiatry, Poznan University of Medical Sciences, Poznan, Poland
| | - Adeline Braud
- Laboratoire de Neurobiologie OroFaciale (LabNOF, EA7543), Service Odontologie, Université Paris Cité, Groupe Hospitalier Pitié Salpêtrière-APHP, 47-83 Bd de l'Hôpital, 75651, Paris Cedex 13, France
- GHPS Assistance Publique Hôpitaux de Paris, Paris, France
| | - Yves Boucher
- Laboratoire de Neurobiologie OroFaciale (LabNOF, EA7543), Service Odontologie, Université Paris Cité, Groupe Hospitalier Pitié Salpêtrière-APHP, 47-83 Bd de l'Hôpital, 75651, Paris Cedex 13, France
- GHPS Assistance Publique Hôpitaux de Paris, Paris, France
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