Evidence map›Paper›PMID 39411536›Full record

ArticleACS medicinal chemistry letters2024

Cyclic Glycopeptide Analogs of Endomorphin-1 Provide Highly Effective Antinociception in Male and Female Mice.

James E Zadina, Lajos Z Szabo, Fahad Al-Obeidi, Xing Zhang, Leticia Ferreira Nakatani, Chidiebere Ogbu, M Leandro Heien, Torsten Falk, Mitchell J Bartlett, Robin Polt

Abstract read
In one paragraph

Article in ACS medicinal chemistry letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

James E ZadinaDepartment of Medicine and Pharmacology and Brain Institute, Tulane University School of Medicine, New Orleans, Louisiana 70112, United States.ORCID https://orcid.org/0009-0006-9365-3829
Lajos Z SzaboDepartment of Chemistry & Biochemistry, The University of Arizona, Tucson, Arizona 85721, United States.
Fahad Al-ObeidiDepartment of Chemistry & Biochemistry, The University of Arizona, Tucson, Arizona 85721, United States.
Xing ZhangDepartment of Medicine and Pharmacology and Brain Institute, Tulane University School of Medicine, New Orleans, Louisiana 70112, United States.
Leticia Ferreira NakataniDepartment of Medicine and Pharmacology and Brain Institute, Tulane University School of Medicine, New Orleans, Louisiana 70112, United States.
Chidiebere OgbuDepartment of Chemistry & Biochemistry, The University of Arizona, Tucson, Arizona 85721, United States.
M Leandro HeienDepartment of Chemistry & Biochemistry, The University of Arizona, Tucson, Arizona 85721, United States.ORCID https://orcid.org/0000-0001-5164-9596
Torsten FalkDepartment of Neurology, The University of Arizona, Tucson, Arizona 85724, United States.
Mitchell J BartlettDepartments of Surgery and Neurosurgery, The University of Arizona, Tucson, Arizona 85724, United States.
Robin PoltDepartment of Chemistry & Biochemistry, The University of Arizona, Tucson, Arizona 85721, United States.

Funding

Glycosylated Endomorphin Analogs for Treatment of Opioid Use Disorder (OUD)U18DA052539 · NIDA · TULANE UNIVERSITY OF LOUISIANA · PI ZADINA, JAMES E · 2021 to 2021
$241k
A Novel Analgesic with Reduced Side Effects and Abuse Liability Relative to Morphine, With Potential for Opioid Dependence TherapyI01BX003776 · VA · SOUTHEAST LOUISIANA VETERANS HEALTH CARE · PI ZADINA, JAMES E · 2018 to 2022
–
Development of Glycosylated Endomorphin Analogs with Low Abuse Liability for Treatment of Pain.I01BX006167 · VA · SOUTHEAST LOUISIANA VETERANS HEALTH CARE · PI James E Zadina · 2024 to 2026
–
BLRD VA I01 BX003776BLRD VA I01 BX006167NIDA NIH HHS U18 DA052539
6 · The paper itself

Abstract

Opioids acting at the mu opioid receptor (MOR) remain the most effective treatment for moderate to severe pain, but their use is limited by serious side effects. We have shown that a cyclized analog of endomorphin-1 provided pain relief comparable to that of morphine with reduction or absence of several side effects, including abuse liability. Glycosylation can promote penetration of cellular barriers. Here we developed cyclic glycopeptide endomorphin (glycoEM) analogs as drug candidates for potent and long-lasting analgesia. The analogs were assessed in receptor binding and functional assays and for blood-brain barrier penetration by microdialysis and MS. Two of the analogs showed MOR selectivity and more potent and longer lasting antinociception than morphine in male and female mice. Comparable antinociception occurred at A2 doses 5-fold lower (20-fold on a molar basis) than morphine doses. The results support further study of the glycoEMs for clinical application.

Identifiers

PMID39411536
PMCPMC11472388

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.