Menopause Clinical Trial
Official title:
A Randomized, Open-label Trial to Evaluate the Pharmacokinetics and Pharmacodynamics of 3 Dosages of Estriol After Continuous Vaginal Administration for 21 Days in Healthy, Post-menopausal Women
Verified date | November 2017 |
Source | Galeno Desenvolvimento de Pesquisas Clínicas |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This clinical trial evaluated the pharmacokinetics and pharmacodynamics of estriol in healthy post-menopausal women after the application of one vaginal ring containing one of three different dosages of estriol (100 mg (Test 1), 300 mg (Test 2) or 600 mg (Test 3)) with continuous delivery (0.125, 0.250 or 0.500 mg/day) for 21 days. And also, characterized its safety and tolerability.
Status | Completed |
Enrollment | 31 |
Est. completion date | June 6, 2017 |
Est. primary completion date | December 15, 2016 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 45 Years and older |
Eligibility |
Inclusion Criteria: - Body-mass index (BMI) =18.5 kg/m² and = 30.0 kg/m² - Postmenopausal state: FSH (plasma) = 40 IU/l, estradiol (serum) = 20 pg/ml last spontaneous menstruation at least 12 months ago - Normal transvaginal endometrial scan (endometrial thickness < 5 mm) - Good state of health - Non-smoker or ex-smoker for at least 6 month - Written informed consent, after having been informed about benefits and potential risks of the clinical trial, as well as details of the insurance taken out to cover the subjects participating in the clinical trial Exclusion Criteria: - Existing cardiac, hepatic and/or haematological diseases or pathological findings, which might interfere with the safety or tolerability and/or pharmacokinetics and/or pharmacodynamics of the active ingredient - History of relevant central nervous system (CNS) and/or psychiatric disorders and/or currently treated CNS and/or psychiatric disorders - Known allergic reactions to the active ingredients used or to constituents of the pharmaceutical preparations - Subjects with severe allergies or multiple drug allergies, unless it is judged as not relevant for the clinical trial by the investigator - Positive anti-HIV-test (if positive to be verified by western blot), HBs-AG-test (if positive to be verified by test for HBc-IgM) or anti-HCV-test - Presence or history of venous or arterial thrombosis (e.g. deep venous thrombosis, pulmonary embolism) - Known, past or suspected breast cancer or increased familiar risk for development - Known or suspected estrogen-dependent malignant tumours (e.g. endometrial or breast cancer) - Undiagnosed genital bleeding - Acute vaginal infection or other diseases prohibiting the placement of vaginal ring - History of endometrial hyperplasia - Migraine or frequent episodes of severe headache - History of or current drug or alcohol dependence - Subjects who are on a diet which could affect the pharmacokinetics of the active ingredient - Regular intake of caffeine containing food or beverages of = 500 mg caffeine per day - Blood donation or other blood loss of more than 400 ml within the last 3 months prior to individual enrolment of the subject - Participation in a clinical trial during the last 6 months prior to individual enrolment of the subject - Concomitant systemic therapy with antibiotics, which might interfere with enterohepatic recirculation (e.g. cephalosporines, neomycin, ampicillin or tetracyclines) - Use of sex hormones within 6 months (oral, transdermal, vaginal) or 8 months (intramuscular administered depot preparations used once per month) or 12 months (intramuscular administered depot preparations used once per 3 months) before screening - Use of systemic or topical medications or substances which oppose the study objectives or which might influence them within 8 weeks before screening examination - Subjects who are unable to understand the written and verbal instructions, in particular regarding the risks and inconveniences they will be exposed to during their participation in the clinical trial |
Country | Name | City | State |
---|---|---|---|
Brazil | Galeno Desenvolvimento de Pesquisas Clinicas Ltda. - ME | Campinas | SP |
Lead Sponsor | Collaborator |
---|---|
Galeno Desenvolvimento de Pesquisas Clínicas | SocraTec R&D GmbH |
Brazil,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Measurement of estriol plasma levels | Blood sampling for the determination of plasma levels of estriol in participants of each treatment group. | 0-22 days | |
Secondary | Maximum Plasma Concentration (Cmax) of estriol | Determination of Cmax for estriol based on plasma concentrations of samples obtained. | 0-22 days | |
Secondary | Area Under the Curve (AUC) for estriol | Calculation of the AUC for estriol based on plasma concentrations of samples obtained. | 0-22 days | |
Secondary | Characterisation of follicle stimulating hormone (FSH) | Determination of serum concentrations of FSH under the three treatments | 0-22 days | |
Secondary | Characterisation of luteinising hormone (LH) | Determination of serum concentrations of LH under the three treatments | 0-22 days | |
Secondary | Characterisation of sex hormone binding globulin (SHBG) | Determination of serum concentrations of SHBG under the three treatments | 0-22 days | |
Secondary | Characterisation of cytology of vaginal smear | Characterisation of cytology of vaginal smear (parabasal, intermediate and superficial cells) under the three treatments | 0-22 days | |
Secondary | Calculation of maturation index | Calculation of maturation index under the three treatments | 0-22 days | |
Secondary | Determination of vaginal pH | Determination of vaginal pH under the three treatments | 0-22 days | |
Secondary | Number of adverse events per participant | Number of adverse events, in each treatment group, including clinically relevant alterations of vital signs and laboratory tests results. | up to 22days after treatment |
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