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Opiranserin (VVZ-149): what's new in analgesics.

Opiranserin (VVZ-149) is a novel non-opioid, non-steroidal intravenous analgesic with triple antagonistic activity at glycine transporter 2 (GlyT2), purine 2 receptor 3 (P2X3), and serotonin receptor (5-HT2A). Its half-maximal inhibitory …

Published: Oct. 2, 2026, midnight
Sex-specific mechanisms of chronic pain.

For decades, we have known that women, especially younger women, are disproportionately affected by pain disorders, including irritable bowel syndrome, endometriosis, menstrual migraines, fibromyalgia, osteoarthritis, and neuropathic pain, all of …

Published: Oct. 1, 2026, midnight
Use of Ibuprofen Before and in Early Pregnancy Among Women With and Without Chronic Medical Diseases. A Cross-Sectional Study.

While having a chronic medical disease (CMD) increases use of analgesics and anti-inflammatory drugs, sufficient knowledge regarding patterns of use during pregnancy is lacking. We aimed to describe ibuprofen use …

Published: Sept. 24, 2026, midnight
Evaluating the impact of cannabinoid extracts on chronic pain and quality of life in endometriosis patients - a pilot study.

Endometriosis is a chronic gynecological disorder characterized by persistent pain and impaired quality of life, with limited effective treatment options. Emerging evidence indicates that cannabinoids may provide analgesic and symptom-relieving …

Published: Sept. 22, 2026, midnight
Achieving Minimal-to-No Pain in Women with Endometriosis Treated with Relugolix Combination Therapy: SPIRIT Extension Trial.

Relugolix is an oral, non-peptide gonadotropin-releasing hormone receptor antagonist administered as once-daily combination therapy (relugolix-CT; 40 mg relugolix, 1 mg estradiol, 0.5 mg norethindrone acetate) to reduce endometriosis symptoms while …

Published: Sept. 5, 2026, midnight
Identification of potent inhibitors of JUN N-terminal kinases for treatment of endometriosis and associated pain.

Endometriosis, defined as the ectopic growth of endometrial tissue outside of the uterine cavity, is an inflammatory and hormone-dependent disease that causes excruciating pelvic pain, infertility, and significantly decreases quality …

Published: Aug. 19, 2026, midnight
Exploring predictors of analgesic response in adult women regularly using NSAIDs: insights from a machine learning approach.

Non-steroidal anti-inflammatory drugs (NSAIDs) are considered a first-line treatment for dysmenorrhea (menstrual pain). However, as much as 20% of women fail to achieve sufficient pain relief from NSAIDs, although factors …

Published: July 29, 2026, midnight
Round Ligament Endometriosis Mimicking Chronic Postoperative Inguinal Pain Following Robotic Inguinal Hernia Repair: A Case Report and Brief Literature Review.

Chronic postoperative inguinal pain (CPIP) affects an estimated 4%-21% of patients following inguinal hernia repair, with rates varying by technique, follow-up duration, and pain definition, and requires a systematic, multidisciplinary …

Published: July 13, 2026, midnight
Self-Reported Adolescent Menstrual Symptoms and Delayed Gynecologic Consultation among Japanese Women with Endometriosis.

Endometriosis symptoms often first appear during adolescence, yet delays in seeking gynecologic consultation remain a persistent challenge worldwide. Despite growing international evidence, the specific patterns of symptom recognition and consultation …

Published: July 1, 2026, midnight
The opioid system in endometriosis: implications for endometrial receptivity and reproductive outcomes.

Endometriosis, a chronic inflammatory disease affecting 10-15% of women of reproductive age, remains a leading cause of female subfertility. While current management strategies focus on surgical excision and hormonal suppression, …

Published: June 29, 2026, midnight
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