A Low Dose of Loperamide Restores Normal Activity Without Disruptive Side Effects in Rats with Chronic Inflammatory Pain

L Ouyang, CE Rodriguez, T Quintana… - The FASEB …, 2021 - Wiley Online Library
Chronic pain affects over 1.5 billion people worldwide and decreases activity to diminish
people's quality‐of‐life. Traditional opioids (eg, morphine) are the gold standards for treating …

Analgesic properties of loperamide differ following systemic and local administration to rats after spinal nerve injury

CY Chung, AF Carteret, AD McKelvy… - … Journal of Pain, 2012 - Wiley Online Library
Background The analgesic properties and mechanisms of loperamide hydrochloride, a
peripherally acting opioid receptor agonist, in neuropathic pain warrant further investigation …

[PDF][PDF] Loperamide: from antidiarrheal to analgesic

R Kumar - Journal of opioid management, 2013 - wmpllc.org
Loperamide: From antidiarrheal to analgesic Page 1 Loperamide is a piperidine derivative
opioid ligand that selectively activates peripheral opioid receptors without entering the CNS …

Chronic spinal infusion of loperamide alleviates postsurgical pain in rats

R Kumar, KH Reeta, SB Ray - 2014 - nopr.niscpr.res.in
Plantar incision in rat generates spontaneous pain behaviour. The opioid drug, morphine
used to treat postsurgical pain produces tolerance after long-term administration …

Loperamide (ADL 2-1294), an opioid antihyperalgesic agent with peripheral selectivity

DL DeHaven-Hudkins, LC Burgos, JA Cassel… - … of Pharmacology and …, 1999 - ASPET
The antihyperalgesic properties of the opiate antidiarrheal agent loperamide (ADL 2-1294)
were investigated in a variety of inflammatory pain models in rodents. Loperamide exhibited …

Tolerance develops to the antiallodynic effects of the peripherally acting opioid loperamide hydrochloride in nerve-injured rats

SQ He, F Yang, FM Perez, Q Xu, R Shechter… - PAIN®, 2013 - Elsevier
Peripherally acting opioids are potentially attractive drugs for the clinical management of
certain chronic pain states due to the lack of centrally mediated adverse effects. However, it …

'Reinventing the wheel'to advance the development of pain therapeutics

R Kandasamy, MM Morgan - Behavioural pharmacology, 2021 - journals.lww.com
Chronic pain affects approximately one-third of the population worldwide. The primary goal
of animal research is to understand the neural mechanisms underlying pain so better …

Radiographic dose‐dependency study of loperamide effects on gastrointestinal motor function in the rat. Temporal relationship with nausea‐like behavior

G Vera, R Girón, MI Martín‐Fontelles… - Neurogastroenterology …, 2019 - Wiley Online Library
Background Loperamide is a potent mu opioid receptor agonist available over the counter to
treat diarrhea. Although at therapeutic doses loperamide is devoid of central effects, it may …

Analysis of Acute and Chronic Inflammatory Pain‐Depressed Wheel Running in the Rat

T Quintana, AK Serrano, T Gupta… - The FASEB …, 2020 - Wiley Online Library
Traditional pain‐evoked tests (eg, hot plate and tail withdrawal tests) do not mimic the
disruptive effects of pain on daily life, a primary outcome measure used for pain in humans …

Automated home-cage for the evaluation of innate non-reflexive pain behaviors in a mouse model of inflammatory pain

Hasriadi, PWD Wasana, O Vajragupta, P Rojsitthisak… - Scientific Reports, 2021 - nature.com
The failure to develop analgesic drugs is attributed not only to the complex and diverse
pathophysiology of pain in humans but also to the poor experimental design and poor …