Nonhormonal Treatment May Ease Menopausal Symptoms

Elinzanetant, the selective antagonist of neurokinin 1 and 3 receptors, led to rapid improvement in the frequency of vasomotor symptoms and significant improvements in the severity of symptoms, sleep disturbances, and menopause-related quality of life in two phase 3 studies. Researchers led by JoAnn V. Pinkerton from the University of Virginia Health in Charlottesville, Virginia, reported their findings, which resulted from the randomized OASIS 1 and OASIS 2 studies, in JAMA.

“Women experience a variety of symptoms during their menopausal transition, including vasomotor symptoms…and sleep disturbances, reported by up to 80% and 60%, respectively,” wrote the researchers. “Menopausal symptoms can negatively impact quality of life, reducing the capacity for daily activities and work productivity, and may be associated with long-term negative health outcomes such as cardiovascular events, depressive symptoms, cognitive decline, and other adverse brain outcomes,” they added. The researchers also noted that some therapeutic options are available, including hormone replacement therapy and, in some countries, paroxetine, a selective serotonin reuptake inhibitor.

The Italian Ministry of Health’s menopause website points out that the transition generally occurs between ages 45 and 55 years. This huge hormonal change has consequences for women’s health. Ministry experts explain that diet and hormone replacement therapy (which should be taken under medical supervision) can prevent or counteract these consequences.

“Many women have contraindications, have tolerability issues leading to discontinuation, or prefer not to take these treatments,” wrote Pinkerton and colleagues, who evaluated the efficacy and tolerability of elinzanetant, a nonhormonal alternative treatment in development. The two double-blind randomized phase 3 studies (OASIS 1 and 2) included postmenopausal participants between ages 40 and 65 years with moderate to severe vasomotor symptoms who were treated with elinzanetant (OASIS 1: n = 199; OASIS 2: n = 200) or placebo (OASIS 1: n = 197; OASIS 2: n = 200).

After 4 weeks of treatment, 62.8% of participants in the OASIS 1 study and 62.2% in the OASIS 2 study reported at least a 50% reduction in the frequency of vasomotor symptoms (29.2% and 32.3% in the respective placebo groups). Improvements increased by week 12, with 71.4% and 74.7% of women in the elinzanetant group achieving this reduction (42.0% and 48.3% in the respective placebo groups). Women who took the medication also reported a reduction in the severity of vasomotor symptoms and improvements in sleep and menopause-related quality of life, with no significant tolerability and safety issues. “Elinzanetant has the potential to provide a well-tolerated and efficacious nonhormonal treatment option to address the unmet health needs of many menopausal individuals with moderate to severe vasomotor symptoms,” the authors concluded.

“With the discovery of nonhormonal treatment options targeting the neurons responsible for vasomotor symptoms, menopause care should advance on this solid scientific footing to benefit affected individuals,” wrote Stephanie S. Faubion and Chrisandra L. Shufelt, who are affiliated with the Mayo Clinic in Rochester, Minnesota, and Jacksonville, Florida, respectively, in an accompanying editorial.

This story was translated from Univadis Italy using several editorial tools, including AI, as part of the process. Human editors reviewed this content before publication.