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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT04453332
Other study ID # 2015-0363
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date October 9, 2015
Est. completion date December 2021

Study information

Verified date June 2020
Source Hospital de Clinicas de Porto Alegre
Contact Tayane M Fighera, PhD
Phone +55 51 998004004
Email tfighera@hcpa.edu.br
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Menopause is defined as the last episode of menstrual bleeding, resulting from the interruption of ovarian function by follicular depletion. It is characterized by the presence of amenorrhea associated with increased levels of FSH and low levels of estradiol. The decline in estrogenic levels is associated with several organic changes, from vasomotor symptoms to impaired bone mass and urogenital atrophy. Although for some patients menopause is asymptomatic or oligosymptomatic, many women experience intense symptoms, which profoundly affect quality of life.

Proper assessment and treatment of postmenopausal women can significantly improve climacteric symptoms. Target tissue, hormone therapy regimen and variations between patients will influence the effects of treatment. Regarding estrogen, the main factors that influence the therapeutic response are the type of hormone used, the dose and the route of administration. The skin metabolizes only a small part of estradiol. Thus, the transdermal route reaches adequate therapeutic levels from a lower dose of estrogen.

The present study aims to evaluate and compare the effects of low dose of oral estradiol associated with oral progesterone and transdermal estradiol associated with vaginal progesterone on variables related to inflammation, coagulation and body composition parameters.


Description:

Hormone therapy (HT) was available since 1942 in tablets containing conjugated equine estrogens. Since the 1970s, it has been recommended to add progestogens to the treatment of women with a uterus to prevent endometrial hyperplasia. HT has been shown to be very effective in climacteric syndrome, relieving 90% of hot flushes that affect women in the menopausal transition.

Target tissue, HT regimen and variations between patients will influence the effects of treatment. Regarding estrogen, the main factors that influence the therapeutic response are the type of hormone used, the dose and the route of administration. The most physiological type of estrogen is 17β estradiol, available in the form of gel and adhesive. The skin metabolizes only a small part of estradiol. Thus, the transdermal route reaches adequate therapeutic levels from a lower dose of estrogen. Also, the transdermal route prevents the first hepatic passage, resulting in more stable levels of estradiol in the circulation, without supraphysiological liver concentrations. The bioavailability of estrogen after undergoing metabolism in the liver is approximately 2 to 10% of the total administered. This hepatic passage can result in greater variability in hormone levels, as well as activation of prothrombotic and inflammatory factors. In addition, hepatic metabolism can change the therapeutic effects of estrogen and other pharmacological agents.

The present study aims to evaluate and compare the effects of low dose of oral estradiol associated with oral progesterone and transdermal estradiol associated with vaginal progesterone on variables related to inflammation, coagulation and body composition parameters. This is a prospective randomized controlled study, and the study population includes postmenopausal patients with climacteric symptoms, who have not been using hormone therapy for at least three months. Patients will receive three months of oral hormonal treatment (estradiol 1mg and micronized natural progesterone 200mg 14 days a month) and three months of non-oral hormonal treatment (percutaneous estradiol gel 1.5mg and micronized progesterone 200mg vaginal 14 days a month).

Patients with climacteric symptoms who meet the inclusion and the exclusion criteria will be included in the study. The entire sample will receive both hormonal therapies sequentially and the patients will be divided between the groups (oral therapy and non-oral therapy) to start the study by random allocation. There will be no period of suspension between treatments, that is, at the end of the first three months of the study, the group initially treated with oral therapy starts receiving non-oral treatment for another three months, and the group initially treated with non-oral therapy starts to receive oral therapy also for another three months.

This project has already been approved by the Research Ethics Committee of the Hospital de Clínicas de Porto Alegre. Post-informed written consent will be obtained from all patients, in accordance with health research standards.

The results will be presented as means and standard deviation or medians and interquartile range. Analysis of variance for latin square will be used to evaluate carryover effect. Two-way ANOVA for repeated samples will be used to compare baseline conditions and the two treatments. Bonferroni's adjustment will be used for multiple comparisons. Bivariate correlations between continuous numerical variables will be examined using Pearson or Spearman correlation coefficients, according to the Gaussian or non-Gaussian nature of the variable, respectively. Statistical analysis will be performed using Statistical Package for Social Sciences (SPSS, Chicago, IL, USA), with a value of p <0.05 being considered significant.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date December 2021
Est. primary completion date June 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 40 Years to 58 Years
Eligibility Inclusion Criteria:

- Six months or more of amenorrhea and FSH levels> or = at 35 mIU / ml;

- Menopause for a maximum of three years;

- Mammography and cytology of recent cervix (from the last 12 months);

- Signature of the Informed Consent Form.

Exclusion Criteria:

- Menopause age below 40 years;

- Use of hormonal therapy in the three months preceding the study;

- Uncontrolled diabetes mellitus;

- Endometrial thickening (endometrial thickness greater than 0.5 cm);

- Neoplasm of breast, colon or endometrium;

- History of thromboembolism or established cardiovascular disease;

- Previous hysterectomy;

- Active smoking;

- Use of medication to treat osteoporosis in the last 12 months: bisphosphonates, denosumab, teriparatide, SERMs (selective estrogen receptor agonist).

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Oral hormone therapy (estradiol and micronized natural progesterone)
Oral hormone therapy - estradiol 1mg every day and micronized natural progesterone 200mg only 14 days a month
Non-oral hormone therapy (estradiol and micronized natural progesterone)
Percutaneous estradiol gel 1.5mg every day and micronized progesterone 200mg vaginal only 14 days a month

Locations

Country Name City State
Brazil Hospital de Clínicas de Porto Alegre Porto Alegre Rio Grande Do Sul

Sponsors (1)

Lead Sponsor Collaborator
Hospital de Clinicas de Porto Alegre

Country where clinical trial is conducted

Brazil, 

References & Publications (10)

Casanova G, Bossardi Ramos R, Ziegelmann P, Spritzer PM. Effects of low-dose versus placebo or conventional-dose postmenopausal hormone therapy on variables related to cardiovascular risk: a systematic review and meta-analyses of randomized clinical trials. J Clin Endocrinol Metab. 2015 Mar;100(3):1028-37. doi: 10.1210/jc.2014-3301. Epub 2014 Dec 16. Review. — View Citation

Casanova G, Radavelli S, Lhullier F, Spritzer PM. Effects of nonoral estradiol-micronized progesterone or low-dose oral estradiol-drospirenone therapy on metabolic variables and markers of endothelial function in early postmenopause. Fertil Steril. 2009 Aug;92(2):605-12. doi: 10.1016/j.fertnstert.2008.06.049. Epub 2008 Aug 15. — View Citation

Casanova G, Spritzer PM. Effects of micronized progesterone added to non-oral estradiol on lipids and cardiovascular risk factors in early postmenopause: a clinical trial. Lipids Health Dis. 2012 Oct 9;11:133. doi: 10.1186/1476-511X-11-133. — View Citation

Goodman MP. Are all estrogens created equal? A review of oral vs. transdermal therapy. J Womens Health (Larchmt). 2012 Feb;21(2):161-9. doi: 10.1089/jwh.2011.2839. Epub 2011 Oct 19. Review. — View Citation

L'hermite M, Simoncini T, Fuller S, Genazzani AR. Could transdermal estradiol + progesterone be a safer postmenopausal HRT? A review. Maturitas. 2008 Jul-Aug;60(3-4):185-201. doi: 10.1016/j.maturitas.2008.07.007. Epub 2008 Sep 5. Review. — View Citation

LaCroix AZ, Chlebowski RT, Manson JE, Aragaki AK, Johnson KC, Martin L, Margolis KL, Stefanick ML, Brzyski R, Curb JD, Howard BV, Lewis CE, Wactawski-Wende J; WHI Investigators. Health outcomes after stopping conjugated equine estrogens among postmenopausal women with prior hysterectomy: a randomized controlled trial. JAMA. 2011 Apr 6;305(13):1305-14. doi: 10.1001/jama.2011.382. — View Citation

Lara S, Casanova G, Spritzer PM. Influence of habitual physical activity on body composition, fat distribution and metabolic variables in early postmenopausal women receiving hormonal therapy. Eur J Obstet Gynecol Reprod Biol. 2010 May;150(1):52-6. doi: 10.1016/j.ejogrb.2010.02.007. Epub 2010 Feb 26. — View Citation

Modena MG, Sismondi P, Mueck AO, Kuttenn F, Lignières Bd, Verhaeghe J, Foidart JM, Caufriez A, Genazzani AR; TREAT. New evidence regarding hormone replacement therapies is urgently required transdermal postmenopausal hormone therapy differs from oral hormone therapy in risks and benefits. Maturitas. 2005 Sep 16;52(1):1-10. Review. — View Citation

Rossouw JE, Anderson GL, Prentice RL, LaCroix AZ, Kooperberg C, Stefanick ML, Jackson RD, Beresford SA, Howard BV, Johnson KC, Kotchen JM, Ockene J; Writing Group for the Women's Health Initiative Investigators. Risks and benefits of estrogen plus progestin in healthy postmenopausal women: principal results From the Women's Health Initiative randomized controlled trial. JAMA. 2002 Jul 17;288(3):321-33. — View Citation

Rovinski D, Ramos RB, Fighera TM, Casanova GK, Spritzer PM. Risk of venous thromboembolism events in postmenopausal women using oral versus non-oral hormone therapy: A systematic review and meta-analysis. Thromb Res. 2018 Aug;168:83-95. doi: 10.1016/j.thromres.2018.06.014. Epub 2018 Jun 19. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in body composition parameters Lean mass (kilograms) evaluated by dual energy X-ray absorptiometry (DXA) Before hormone therapy and after 3 and 6 months of treatment
Primary Change in body composition parameters Fat mass (kilograms) evaluated by dual energy X-ray absorptiometry (DXA) Before hormone therapy and after 3 and 6 months of treatment
Secondary Lipid profile HDL, LDL, triglycerides (evaluated by blood sample) Before hormone therapy and after 3 and 6 months of treatment
Secondary Serum glucose (evaluated by blood sample) Before hormone therapy and after 3 and 6 months of treatment
Secondary Blood pressure Before hormone therapy and after 3 and 6 months of treatment
Secondary Weight With body mass index (kg/m²) Before hormone therapy and after 3 and 6 months of treatment
Secondary Physical activity Evaluated by pedometer Before hormone therapy and after 3 and 6 months of treatment
Secondary Bone mineral density (g/cm²) Evaluated by dual energy X-ray absorptiometry (DXA) Before hormone therapy and after 3 and 6 months of treatment
Secondary Bone metabolism Calcium, phosphorus, PTH, albumin, 25 OH vitamin D (evaluated by blood sample) Before hormone therapy
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