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Keywords = norethisterone acetate

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10 pages, 401 KiB  
Systematic Review
Relugolix in Monotherapy and Combined Therapy for the Treatment of Uterine Diseases and Its Effects on Bones: A Systematic Review
by Antonio Carballo García, Ana Cristina Fernández Rísquez, Silvia Delgado García, Pablo Romero Duarte and Jesús Carlos Presa Lorite
Biomedicines 2025, 13(8), 1851; https://doi.org/10.3390/biomedicines13081851 - 30 Jul 2025
Viewed by 460
Abstract
Background: Uterine fibroids (UFs) and endometriosis are gynecological conditions that significantly increase morbidity among women of reproductive age. Relugolix, a novel gonadotropin-releasing hormone receptor antagonist, is approved in combined therapy for the management of symptoms related to these disorders. However, its potential impact [...] Read more.
Background: Uterine fibroids (UFs) and endometriosis are gynecological conditions that significantly increase morbidity among women of reproductive age. Relugolix, a novel gonadotropin-releasing hormone receptor antagonist, is approved in combined therapy for the management of symptoms related to these disorders. However, its potential impact on bone mineral density (BMD) and osteoporosis risk should be considered when using a gonadotropin-releasing hormone (GnRH) antagonist. This systematic review aims to evaluate the effects of daily relugolix intake in monotherapy and combination therapy on BMD, ensuring safe long-term management. Methods: A systematic literature review was conducted following PRISMA 2020 guidelines. Searches were performed in PubMed, Medline, and the Cochrane Library. Relevant clinical guidelines from international societies were also reviewed. Studies assessing the impact of relugolix on BMD were selected, and data on treatment efficacy, adverse effects, and bone health outcomes were synthesized. Results: Relugolix monotherapy has been associated with significant BMD loss due to its potent estrogen-suppressing effect. To mitigate this, combination therapy with estradiol and norethisterone acetate has been developed. Although initial monotherapy before transitioning to combination therapy results in transient BMD reduction, clinical trials have demonstrated that relugolix combination therapy maintains BMD over two years while effectively reducing endometriosis- and UF-related symptoms. Conclusions: Relugolix combination therapy is an effective and well-tolerated treatment for UFs and endometriosis, minimizing the risk of hypoestrogenism-related bone loss while maintaining clinical benefits. Although monotherapy may lead to transient BMD reduction, combination therapy appears to stabilize bone health. Full article
(This article belongs to the Section Endocrinology and Metabolism Research)
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15 pages, 3091 KiB  
Systematic Review
Efficacy of Oral Medications or Intrauterine Device-Delivered Progestin in Patients with Endometrial Hyperplasia with or without Atypia: A Network Meta-Analysis
by Yu-Fei Zhang, Yu Fan, Yi Mu and Jin-Ke Li
J. Clin. Med. 2023, 12(8), 2980; https://doi.org/10.3390/jcm12082980 - 19 Apr 2023
Cited by 5 | Viewed by 3488
Abstract
The aim of this systematic review was to evaluate the efficacy of oral medication or intrauterine device-delivered progestins in patients with endometrial hyperplasia (EH) with or without atypia. We systematically examined PubMed, EMBASE, the Cochrane Library, and clinicaltrials.gov to identify studies reporting the [...] Read more.
The aim of this systematic review was to evaluate the efficacy of oral medication or intrauterine device-delivered progestins in patients with endometrial hyperplasia (EH) with or without atypia. We systematically examined PubMed, EMBASE, the Cochrane Library, and clinicaltrials.gov to identify studies reporting the regression rate of patients with EH who received progestins or non-progestins. The regression rates after different treatments were compared using a network meta-analysis in terms of the relative ratios (RRs) and 95% confidence intervals (CIs). Begg–Mazumdar rank correlation and funnel plots were performed to evaluate the publication bias. Five non-randomized studies and 21 randomized controlled trials involving 2268 patients were included in the network meta-analysis. The levonorgestrel-releasing intrauterine system (LNG-IUS) was associated with a higher regression rate than medroxyprogesterone acetate (MPA) (RR 1.30, 95% CI 1.16–1.46) in patients with EH. Among those without atypia, the LNG-IUS was associated with a higher regression rate than any of the three types of oral medications (MPA, norethisterone, or dydrogesterone (DGT)) (RR 1.35, 95% CI 1.18–1.55). According to the network meta-analysis, combining the LNG-IUS with MPA or metformin increased regression rate, while DGT was associated with the highest regression rate among all oral medications. The LNG-IUS may be the best choice for patients with EH, and combining it with MPA or metformin may further improve its efficacy. DGT may be the preferred choice for patients who are unwilling to use the LNG-IUS or who cannot tolerate its side effects. Full article
(This article belongs to the Section Obstetrics & Gynecology)
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9 pages, 246 KiB  
Article
Norethisterone Reduces Vaginal Bleeding Caused by Progesterone-Only Birth Control Pills
by Naama Vilk Ayalon, Lior Segev, Abraham O. Samson, Simcha Yagel, Sarah M. Cohen, Tamar Green and Hila Hochler
J. Clin. Med. 2022, 11(12), 3389; https://doi.org/10.3390/jcm11123389 - 13 Jun 2022
Cited by 6 | Viewed by 5343
Abstract
(1) Background: Progesterone-only pills (POP) are widely used contraceptives. About 40% of women taking these pills report vaginal bleeding/spotting; 25% find this a reason for cessation. To date, no effective remedy has been described. We aimed to examine the therapeutic approaches offered by [...] Read more.
(1) Background: Progesterone-only pills (POP) are widely used contraceptives. About 40% of women taking these pills report vaginal bleeding/spotting; 25% find this a reason for cessation. To date, no effective remedy has been described. We aimed to examine the therapeutic approaches offered by health providers. (2) Methods: A prospective questionnaire-based study of women experiencing vaginal bleeding due to POP, comparing the effectiveness of prescribed therapies. Women were recruited through social networks, and subsequently divided into groups according to the treatment offered: (1) POP with norethisterone (n = 36); (2) double dose POP (n = 19); (3) single dose POP (continuing initial treatment, n = 57); and (4) different POP formula (n = 8). Women rated bleeding quantity and frequency at four intervals, at weeks 0, 2, 4, and 6. (3) Results: Women who added 5 mg norethisterone acetate reported a significant decrease in bleeding frequency compared to the other groups, observed after 2, 4, and 6 weeks (p-values 0.019, 0.002, and 0.002, respectively). Women also reported an overall decrease in combined bleeding quantity and frequency (p-values 0.028, 0.003, and 0.005, respectively). There was no difference in the rate of side effects among groups. (4) Conclusions: Adding 5 mg norethisterone acetate (Primolut-nor) to progesterone-only pills significantly reduces bleeding and spotting associated with POP contraception. Full article
(This article belongs to the Special Issue New Insights into Contraception)
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