Differences in biological systems in men and women in pain management

Differences in Biological Systems in Men and Women in Pain Management: New Research Reveals Key Mechanisms in the Treatment of Chronic Pain

New research reveals that men and women use different biological systems for pain relief, which could significantly improve gender-specific therapies and reduce opioid dependence, especially in women.

Differences in Biological Systems in Men and Women in Pain Management: New Research Reveals Key Mechanisms in the Treatment of Chronic Pain
Photo by: Domagoj Skledar/ arhiva (vlastita)

The latest research from the University of California, San Diego, has revealed significant differences in how men and women experience pain relief, which could explain why women often suffer from chronic pain and respond less effectively to opioid therapies. These findings are particularly important as they provide a foundation for the development of gender-specific pain therapies that could reduce women's dependence on opioids and improve overall treatment efficacy.


In the study, researchers examined how men and women utilize different biological systems to alleviate pain. Men rely on endogenous opioids, natural body substances that act as powerful pain relievers. In contrast, women employ different non-opioid mechanisms to achieve pain relief, which may explain why they are often less sensitive to synthetic opioid medications like morphine and fentanyl.


Opioid dependence often occurs when patients begin to increase their dosage because the initial dose no longer provides the desired relief. This is particularly concerning for women, as, according to experts' hypotheses, they need to take larger quantities of opioids due to lower biological sensitivity to these drugs. Dr. Fadel Zeidan, the lead researcher on this project, highlighted how these findings may explain the higher rates of dependence among women, as well as the need for new approaches to pain management.


Gender-specific approaches to pain management


The study utilized data from two clinical trials involving nearly 100 participants, including both healthy individuals and those with chronic lower back pain. Participants were exposed to meditation techniques and received either a placebo or a high dose of naloxone, a drug that blocks opioid system activity. While undergoing painful but harmless thermal stimuli, researchers measured how much relief the participants experienced during meditation.


Men, when their opioid system was blocked by naloxone, experienced a reduction in relief, indicating that they rely on endogenous opioids for pain alleviation. In contrast, women showed increased relief despite the blockade of the opioid system, suggesting that women use alternative mechanisms to mitigate pain. These findings strongly support the idea that pain therapies should be tailored to the specific needs of patients based on gender.


Another significant discovery is that individuals with chronic pain experienced more substantial relief during meditation than healthy participants. This further underscores the importance of integrating meditation techniques into treatments for chronic pain, especially when considering gender differences.


Potential impact on future treatments


These results highlight the necessity for a greater focus on biological differences between genders when developing new pain therapies. Traditional approaches, such as opioids, are not equally effective for both genders, particularly for women who often require different methods of pain relief. As researchers continue to explore these differences, future therapies are expected to incorporate alternative systems, such as the endocannabinoid system, which may play a larger role for women.


Overall, this research represents the first concrete evidence of gender-specific differences in pain processing, which could transform how physicians approach patients with chronic pain. Ultimately, the goal is to improve treatment outcomes and reduce the need for opioid use, especially among women, where the risk of dependence can be significantly higher.


As scientists continue to investigate this topic, further insights are expected to lead to innovations in pain management, ensuring that treatments are more effective and safer for all patients, regardless of gender.

Source: University of California

Heure de création: 21 octobre, 2024
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