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Women with obesity experience greater menopausal symptoms but substantially less relief from hormone therapy (HT) than women without obesity, according to a small, retrospective study presented at the annual meeting of the Menopause Society (formerly the North American Menopause Society).

More than 40% of women over age 40 in the United States have obesity, presenter Anita Pershad, MD, an ob.gyn. medical resident at Eastern Virginia Medical School, Norfolk, told attendees. Yet most of the large-scale studies investigating perimenopausal and postmenopausal hormone therapy included participants without major medical comorbidities, so little data exist on how effectively HT works in women with these comorbidities, she said

“The main takeaway of our study is that obesity may worsen a woman’s menopausal symptoms and limit the amount of relief she gets from hormone therapy,” Dr. Pershad said in an interview. “It remains unclear if hormone therapy is less effective in women with obesity overall, or if the expected efficacy can be achieved with alternative design and administration routes. A potential mechanism of action for the observed decreased effect could be due to adipose tissue acting as a heat insulator, promoting the effects of vasomotor symptoms.”

Dr. Pershad and her colleagues conducted a retrospective review of the medical records of 119 patients who presented to a menopause clinic at a Midsouth urban academic medical center between July 2018 and December 2022. Obesity was defined as having a body mass index (BMI) of 30 kg/m2 or greater.

The patients with and without obesity were similar in terms of age, duration of menopause, use of hormone therapy, and therapy acceptance, but patients with obesity were more likely to identify themselves as Black (71% vs. 40%). Women with obesity were also significantly more likely than women without obesity to report vasomotor symptoms (74% vs. 45%, P = .002), genitourinary/vulvovaginal symptoms (60% vs. 21%, P < .001), mood disturbances (11% vs. 0%, P = .18), and decreased libido (29% vs. 11%, P = .017).

There were no significant differences in comorbidities between women with and without obesity, and among women who received systemic or localized HT, the same standard dosing was used for both groups.

Women with obesity were much less likely to see a satisfying reduction in their menopausal symptoms than women without obesity (odds ratio 0.07, 95% confidence interval, 0.01-0.64; P = .006), though the subgroups for each category of HT were small. Among the 20 women receiving systemic hormone therapy, only 1 of the 12 with obesity (8.3%) reported improvement in symptoms, compared with 7 of the 8 women without obesity (88%; P = .0004). Among 33 women using localized hormone therapy, 46% of the 24 women with obesity vs. 89% of the 9 women without obesity experienced symptom improvement (P = .026).

The proportions of women reporting relief from only lifestyle modifications or from nonhormonal medications, such as SSRIs/SNRIs, trazodone, and clonidine, were not statistically different. There were 33 women who relied only on lifestyle modifications, with 31% of the 16 women with obesity and 59% of the 17 women without obesity reporting improvement in their symptoms (P = .112). Similarly, among the 33 women using nonhormonal medications, 75% of the 20 women with obesity and 77% of the 13 women without obesity experienced relief (P = .9).
 

 

 

Women with obesity are undertreated

Dr. Pershad emphasized the need to improve care and counseling for diverse patients seeking treatment for menopausal symptoms.

“More research is needed to examine how women with medical comorbidities are uniquely impacted by menopause and respond to therapies,” Dr. Pershad said in an interview. “This can be achieved by actively including more diverse patient populations in women’s health studies, burdened by the social determinants of health and medical comorbidities such as obesity.”

Stephanie S. Faubion, director of the Mayo Clinic Center for Women's Health, Rochester, Minn.
Mayo Clinic
Dr. Stephanie S. Faubion

Stephanie S. Faubion, MD, MBA, director for Mayo Clinic’s Center for Women’s Health, Rochester, Minn., and medical director for The Menopause Society, was not surprised by the findings, particularly given that women with obesity tend to have more hot flashes and night sweats as a result of their extra weight. However, dosage data was not adjusted for BMI in the study and data on hormone levels was unavailable, she said, so it’s difficult to determine from the data whether HT was less effective for women with obesity or whether they were underdosed.

“I think women with obesity are undertreated,” Dr. Faubion said in an interview. “My guess is people are afraid. Women with obesity also may have other comorbidities,” such as hypertension and diabetes, she said, and “the greater the number of cardiovascular risk factors, the higher risk hormone therapy is.” Providers may therefore be leery of prescribing HT or prescribing it at an appropriately high enough dose to treat menopausal symptoms.

Common practice is to start patients at the lowest dose and titrate up according to symptoms, but “if people are afraid of it, they’re going to start the lowest dose” and may not increase it, Dr. Faubion said. She noted that other nonhormonal options are available, though providers should be conscientious about selecting ones whose adverse events do not include weight gain.

Although the study focused on an understudied population within hormone therapy research, the study was limited by its small size, low overall use of hormone therapy, recall bias, and the researchers’ inability to control for other medications the participants may have been taking.

Dr. Pershad said she is continuing research to try to identify the mechanisms underlying the reduced efficacy in women with obesity.

The research did not use any external funding. Dr. Pershad had no industry disclosures, but her colleagues reported honoraria from or speaking for TherapeuticsMD, Astella Pharma, Scynexis, Pharmavite, and Pfizer. Dr. Faubion had no disclosures.

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Women with obesity experience greater menopausal symptoms but substantially less relief from hormone therapy (HT) than women without obesity, according to a small, retrospective study presented at the annual meeting of the Menopause Society (formerly the North American Menopause Society).

More than 40% of women over age 40 in the United States have obesity, presenter Anita Pershad, MD, an ob.gyn. medical resident at Eastern Virginia Medical School, Norfolk, told attendees. Yet most of the large-scale studies investigating perimenopausal and postmenopausal hormone therapy included participants without major medical comorbidities, so little data exist on how effectively HT works in women with these comorbidities, she said

“The main takeaway of our study is that obesity may worsen a woman’s menopausal symptoms and limit the amount of relief she gets from hormone therapy,” Dr. Pershad said in an interview. “It remains unclear if hormone therapy is less effective in women with obesity overall, or if the expected efficacy can be achieved with alternative design and administration routes. A potential mechanism of action for the observed decreased effect could be due to adipose tissue acting as a heat insulator, promoting the effects of vasomotor symptoms.”

Dr. Pershad and her colleagues conducted a retrospective review of the medical records of 119 patients who presented to a menopause clinic at a Midsouth urban academic medical center between July 2018 and December 2022. Obesity was defined as having a body mass index (BMI) of 30 kg/m2 or greater.

The patients with and without obesity were similar in terms of age, duration of menopause, use of hormone therapy, and therapy acceptance, but patients with obesity were more likely to identify themselves as Black (71% vs. 40%). Women with obesity were also significantly more likely than women without obesity to report vasomotor symptoms (74% vs. 45%, P = .002), genitourinary/vulvovaginal symptoms (60% vs. 21%, P < .001), mood disturbances (11% vs. 0%, P = .18), and decreased libido (29% vs. 11%, P = .017).

There were no significant differences in comorbidities between women with and without obesity, and among women who received systemic or localized HT, the same standard dosing was used for both groups.

Women with obesity were much less likely to see a satisfying reduction in their menopausal symptoms than women without obesity (odds ratio 0.07, 95% confidence interval, 0.01-0.64; P = .006), though the subgroups for each category of HT were small. Among the 20 women receiving systemic hormone therapy, only 1 of the 12 with obesity (8.3%) reported improvement in symptoms, compared with 7 of the 8 women without obesity (88%; P = .0004). Among 33 women using localized hormone therapy, 46% of the 24 women with obesity vs. 89% of the 9 women without obesity experienced symptom improvement (P = .026).

The proportions of women reporting relief from only lifestyle modifications or from nonhormonal medications, such as SSRIs/SNRIs, trazodone, and clonidine, were not statistically different. There were 33 women who relied only on lifestyle modifications, with 31% of the 16 women with obesity and 59% of the 17 women without obesity reporting improvement in their symptoms (P = .112). Similarly, among the 33 women using nonhormonal medications, 75% of the 20 women with obesity and 77% of the 13 women without obesity experienced relief (P = .9).
 

 

 

Women with obesity are undertreated

Dr. Pershad emphasized the need to improve care and counseling for diverse patients seeking treatment for menopausal symptoms.

“More research is needed to examine how women with medical comorbidities are uniquely impacted by menopause and respond to therapies,” Dr. Pershad said in an interview. “This can be achieved by actively including more diverse patient populations in women’s health studies, burdened by the social determinants of health and medical comorbidities such as obesity.”

Stephanie S. Faubion, director of the Mayo Clinic Center for Women's Health, Rochester, Minn.
Mayo Clinic
Dr. Stephanie S. Faubion

Stephanie S. Faubion, MD, MBA, director for Mayo Clinic’s Center for Women’s Health, Rochester, Minn., and medical director for The Menopause Society, was not surprised by the findings, particularly given that women with obesity tend to have more hot flashes and night sweats as a result of their extra weight. However, dosage data was not adjusted for BMI in the study and data on hormone levels was unavailable, she said, so it’s difficult to determine from the data whether HT was less effective for women with obesity or whether they were underdosed.

“I think women with obesity are undertreated,” Dr. Faubion said in an interview. “My guess is people are afraid. Women with obesity also may have other comorbidities,” such as hypertension and diabetes, she said, and “the greater the number of cardiovascular risk factors, the higher risk hormone therapy is.” Providers may therefore be leery of prescribing HT or prescribing it at an appropriately high enough dose to treat menopausal symptoms.

Common practice is to start patients at the lowest dose and titrate up according to symptoms, but “if people are afraid of it, they’re going to start the lowest dose” and may not increase it, Dr. Faubion said. She noted that other nonhormonal options are available, though providers should be conscientious about selecting ones whose adverse events do not include weight gain.

Although the study focused on an understudied population within hormone therapy research, the study was limited by its small size, low overall use of hormone therapy, recall bias, and the researchers’ inability to control for other medications the participants may have been taking.

Dr. Pershad said she is continuing research to try to identify the mechanisms underlying the reduced efficacy in women with obesity.

The research did not use any external funding. Dr. Pershad had no industry disclosures, but her colleagues reported honoraria from or speaking for TherapeuticsMD, Astella Pharma, Scynexis, Pharmavite, and Pfizer. Dr. Faubion had no disclosures.

Women with obesity experience greater menopausal symptoms but substantially less relief from hormone therapy (HT) than women without obesity, according to a small, retrospective study presented at the annual meeting of the Menopause Society (formerly the North American Menopause Society).

More than 40% of women over age 40 in the United States have obesity, presenter Anita Pershad, MD, an ob.gyn. medical resident at Eastern Virginia Medical School, Norfolk, told attendees. Yet most of the large-scale studies investigating perimenopausal and postmenopausal hormone therapy included participants without major medical comorbidities, so little data exist on how effectively HT works in women with these comorbidities, she said

“The main takeaway of our study is that obesity may worsen a woman’s menopausal symptoms and limit the amount of relief she gets from hormone therapy,” Dr. Pershad said in an interview. “It remains unclear if hormone therapy is less effective in women with obesity overall, or if the expected efficacy can be achieved with alternative design and administration routes. A potential mechanism of action for the observed decreased effect could be due to adipose tissue acting as a heat insulator, promoting the effects of vasomotor symptoms.”

Dr. Pershad and her colleagues conducted a retrospective review of the medical records of 119 patients who presented to a menopause clinic at a Midsouth urban academic medical center between July 2018 and December 2022. Obesity was defined as having a body mass index (BMI) of 30 kg/m2 or greater.

The patients with and without obesity were similar in terms of age, duration of menopause, use of hormone therapy, and therapy acceptance, but patients with obesity were more likely to identify themselves as Black (71% vs. 40%). Women with obesity were also significantly more likely than women without obesity to report vasomotor symptoms (74% vs. 45%, P = .002), genitourinary/vulvovaginal symptoms (60% vs. 21%, P < .001), mood disturbances (11% vs. 0%, P = .18), and decreased libido (29% vs. 11%, P = .017).

There were no significant differences in comorbidities between women with and without obesity, and among women who received systemic or localized HT, the same standard dosing was used for both groups.

Women with obesity were much less likely to see a satisfying reduction in their menopausal symptoms than women without obesity (odds ratio 0.07, 95% confidence interval, 0.01-0.64; P = .006), though the subgroups for each category of HT were small. Among the 20 women receiving systemic hormone therapy, only 1 of the 12 with obesity (8.3%) reported improvement in symptoms, compared with 7 of the 8 women without obesity (88%; P = .0004). Among 33 women using localized hormone therapy, 46% of the 24 women with obesity vs. 89% of the 9 women without obesity experienced symptom improvement (P = .026).

The proportions of women reporting relief from only lifestyle modifications or from nonhormonal medications, such as SSRIs/SNRIs, trazodone, and clonidine, were not statistically different. There were 33 women who relied only on lifestyle modifications, with 31% of the 16 women with obesity and 59% of the 17 women without obesity reporting improvement in their symptoms (P = .112). Similarly, among the 33 women using nonhormonal medications, 75% of the 20 women with obesity and 77% of the 13 women without obesity experienced relief (P = .9).
 

 

 

Women with obesity are undertreated

Dr. Pershad emphasized the need to improve care and counseling for diverse patients seeking treatment for menopausal symptoms.

“More research is needed to examine how women with medical comorbidities are uniquely impacted by menopause and respond to therapies,” Dr. Pershad said in an interview. “This can be achieved by actively including more diverse patient populations in women’s health studies, burdened by the social determinants of health and medical comorbidities such as obesity.”

Stephanie S. Faubion, director of the Mayo Clinic Center for Women's Health, Rochester, Minn.
Mayo Clinic
Dr. Stephanie S. Faubion

Stephanie S. Faubion, MD, MBA, director for Mayo Clinic’s Center for Women’s Health, Rochester, Minn., and medical director for The Menopause Society, was not surprised by the findings, particularly given that women with obesity tend to have more hot flashes and night sweats as a result of their extra weight. However, dosage data was not adjusted for BMI in the study and data on hormone levels was unavailable, she said, so it’s difficult to determine from the data whether HT was less effective for women with obesity or whether they were underdosed.

“I think women with obesity are undertreated,” Dr. Faubion said in an interview. “My guess is people are afraid. Women with obesity also may have other comorbidities,” such as hypertension and diabetes, she said, and “the greater the number of cardiovascular risk factors, the higher risk hormone therapy is.” Providers may therefore be leery of prescribing HT or prescribing it at an appropriately high enough dose to treat menopausal symptoms.

Common practice is to start patients at the lowest dose and titrate up according to symptoms, but “if people are afraid of it, they’re going to start the lowest dose” and may not increase it, Dr. Faubion said. She noted that other nonhormonal options are available, though providers should be conscientious about selecting ones whose adverse events do not include weight gain.

Although the study focused on an understudied population within hormone therapy research, the study was limited by its small size, low overall use of hormone therapy, recall bias, and the researchers’ inability to control for other medications the participants may have been taking.

Dr. Pershad said she is continuing research to try to identify the mechanisms underlying the reduced efficacy in women with obesity.

The research did not use any external funding. Dr. Pershad had no industry disclosures, but her colleagues reported honoraria from or speaking for TherapeuticsMD, Astella Pharma, Scynexis, Pharmavite, and Pfizer. Dr. Faubion had no disclosures.

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