Effect of Adjunctive Estradiol on Schizophrenia among Women of Childbearing Age: A Randomized Clinical Trial
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WEISER, Mark; LEVI, Linda; ZAMORA, Daisy; BIEGON, Anat; SANGIOVANNI, John Paul; DAVIDSON, Michael D.; BURSHTEIN, Shimon; GONEN, Ilan; RADU, Paull; SLOBOZEAN PAVALACHE , Kristina; NASTAS, Igor; HEMI, Rina; RYAN, Timothy; DAVIS, John M.M. Effect of Adjunctive Estradiol on Schizophrenia among Women of Childbearing Age: A Randomized Clinical Trial. In: JAMA Psychiatry. 2019, nr. 10(76), pp. 1009-1017. ISSN 2168-622X.
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JAMA Psychiatry
Numărul 10(76) / 2019 / ISSN 2168-622X /ISSNe 2168-6238

Effect of Adjunctive Estradiol on Schizophrenia among Women of Childbearing Age: A Randomized Clinical Trial

DOI: 10.1001/jamapsychiatry.2019.1842
Pag. 1009-1017

Weiser Mark1, Levi Linda2, Zamora Daisy34, Biegon Anat5, SanGiovanni John Paul4, Davidson Michael D.62, Burshtein Shimon2, Gonen Ilan7, Radu Paull7, Slobozean Pavalache Kristina8, Nastas Igor9, Hemi Rina10, Ryan Timothy11, Davis John M.M1112
1 Necunoscută, SUA,
2 Division of Psychiatry, Chaim Sheba Medical Center,
3 Universitatea Carolina de Nord, Wilmington,
4 The National Institute of Health,
5 Stony Brook University,
6 University of Nicosia Medical School, Engomi,
7 Tangent Alzheimer Care, Breaza,
8 Psychiatric Hospital of the Republic of Moldova,
9 ”Nicolae Testemițanu” State University of Medicine and Pharmacy,
10 Sheba Medical Center, Tel Hashomer,
11 University of Illinois,
12 Johns Hopkins UniversityBaltimore
Disponibil în IBN: 23 octombrie 2019


Importance: Several lines of evidence suggest that estradiol influences the course of schizophrenia, and a previous randomized controlled trial demonstrated that transdermal estradiol improved symptoms in female patients of childbearing age. However, many initial positive findings in schizophrenia research are not later replicated. Objective: To independently replicate the results of the effect of estradiol on schizophrenia in women of childbearing age. Design, Setting, and Participants: An 8-week randomized, placebo-controlled trial performed in the Republic of Moldova between December 4, 2015, and July 29, 2016, among 200 premenopausal women aged 19 to 46 years with schizophrenia or schizoaffective disorder as defined by the DSM-5. Intervention: Patients were randomized to receive a 200-μg estradiol patch or placebo patch changed twice a week added to their antipsychotic treatment. Main Outcomes and Measures: The primary outcome was the positive subscale of the Positive and Negative Syndrome Scale (PANSS; lower scores indicated fewer symptoms and higher scores indicated more symptoms), analyzed with mixed models for repeated measures on an intention-to-treat basis. Results: A total of 100 women (median age, 38 years; interquartile range, 34-42 years) were randomized to receive an estradiol patch and 100 women (median age, 38 years; interquartile range, 31-41 years) were randomized to receive a placebo patch; the median age at baseline for the entire group of 200 women was 38.0 years (range, 19.5-46.0 years). At baseline, the mean positive PANSS score was 19.6 for both groups combined; at week 8, the mean positive PANSS score was 14.4 in the placebo group and 13.4 in the estradiol group. Compared with placebo, participants receiving add-on estradiol patches had statistically significant improvements in the primary outcome measure, PANSS positive subscale points (-0.94; 95% CI, -1.64 to -0.24; P =.008; effect size = 0.38). Post hoc heterogeneity analyses found that this effect occurred almost entirely in 100 participants older than 38.0 years (46 in placebo group vs 54 in estradiol group; difference, -1.98 points on the PANSS positive subscale; 95% CI, -2.94 to -1.02; P <.001). Younger participants did not benefit from estradiol (difference, 0.08 points on the PANSS positive subscale; 95% CI, -0.91 to 1.07; P =.87). Breast tenderness was more common in the estradiol group (n = 15) than in the placebo group (n = 1) as was weight gain (14 in estradiol group vs 1 in placebo group). Conclusions and Relevance: The results independently replicate the finding that transdermal estradiol is an effective add-on treatment for women of childbearing age with schizophrenia and extend it, finding improvements in negative symptoms and finding that the effect could be specific to those older than 38 years. The results should be viewed in the context of the differences in the natural course of schizophrenia between females and males. Trial Registration: ClinicalTrials.gov identifier: NCT03848234. 

schizophrenia, Psychotic Disorders, Negative symptoms