Saturday, February 24, 2018

Pain-Related Research Abstracts: December 2015

Research Abstracts-Dec 2015

Here are selected research abstracts released in December 2015:

The use of progestogen-only pill in migraine patients.
Summary: Migraine is a debilitating neurovascular disorder which is estimated to affect 18% of women and 6% of men. Two main forms of this neurological disorder must be considered: Migraine without Aura and Migraine with Aura. Migraine without aura often has a strict menstrual relationship: the International Headache Society classification gives criteria for Pure Menstrual Migraine and Menstrually-Related Migraine. The higher prevalence of migraine among women suggests that this sex difference probably results from the trigger of fluctuating hormones during the menstrual cycle. Safe and effective contraception is essential for all women of childbearing age, but Combined Oral Contraceptives have been associated with worsening of attacks and cardiovascular risk in these patients. We analysed characteristics, effects and benefits of progestogen-only pill, a possible alternative for contraception in women with migraine.

Provoked vestibulodynia and the health care implications of comorbid pain conditions.
Summary: Compared with women with PVD alone, women with PVD and other concurrent pain reported a significantly longer duration of pain, pain radiating to other parts of the vulva, and pain interfering in a variety of daily activities. This group was also significantly more likely to have seen more gynaecologists, and to have had more office visits with their gynaecologist than women with PVD alone. They were more likely to have tried anticonvulsants, antidepressants, and stress/relaxation therapy for their PVD and were also more likely to have allergies and skin sensitivities. Finally, this group of women had higher symptoms of depression, trait anxiety, and showed a trend towards more pain vigilance.

Effects of low sleep quality on sexual function, in women with fibromyalgia.
Summary: Sexual dysfunction in female patients with fibromyalgia may be due to low sleep quality. Treatment of the sleep disorder may improve female sexual function.International Journal of Impotence Research advance online publication, 19 November 2015; doi:10.1038/ijir.2015.31

Capsaicin 8% patch versus oral pregabalin in patients with peripheral neuropathic pain.
Summary: The capsaicin 8% patch was non-inferior to pregabalin in achievement of a ≥30% mean decrease in NPRS score from baseline to Week 8 (55.7% vs. 54.5%, respectively; Odds ratio: 1.03 [95% CI: 0.72, 1.50]). The proportion of patients achieving OTE at Week 8 was 52.1% for the capsaicin 8% patch versus 44.8% for pregabalin (difference: 7.3%; 95% CI: -0.9%, 15.6%). The median time-to-onset of pain relief was significantly shorter for capsaicin 8% patch versus pregabalin (7.5 vs. 36.0 days; Hazard ratio: 1.68 [95% CI: 1.35, 2.08]; p < 0.0001). Treatment satisfaction was also significantly greater with the capsaicin 8% patch versus pregabalin. TEAEs were mild-to-moderate in severity, and resulted in treatment discontinuation only with pregabalin (n = 24). Systemic adverse drug reactions ranged from 0 to 1.1% with capsaicin 8% patch and 2.5 to 18.4% with pregabalin.


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The American Academy of Pain Management improves the lives of people with Pain by advancing a person-centered, integrative model of pain care through evidence-guided education, credentialing, and advocacy.