Hemocoagulation and Lipoperoxidation in Women Using Combined Oral Contraceptives, Correction by Antioxidants
The Changes of Hemocoagulation and Lipoperoxidation in Women Using Combined Oral Contraceptives With Antiandrogenic Activity, Correction by Antioxidants
1 other identifier
interventional
200
1 country
1
Brief Summary
We investigate parameters of hemocoagulation and lipoperoxidation in women using combined oral contraceptives with antiandrogenic activity (containing drospirenone with 20 or 30 mcg ethinylestradiol; or cyproterone acetate); correction of these changes by antioxidants
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Dec 2013
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 1, 2013
CompletedFirst Submitted
Initial submission to the registry
December 26, 2013
CompletedFirst Posted
Study publicly available on registry
January 6, 2014
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2015
CompletedStudy Completion
Last participant's last visit for all outcomes
October 1, 2015
CompletedNovember 21, 2014
January 1, 2014
1.2 years
December 26, 2013
November 20, 2014
Conditions
Keywords
Outcome Measures
Primary Outcomes (15)
Change from Baseline in Activated recalcification time
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Activated partial thromboplastin time
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Prothrombin time
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in International normalized ratio
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in D-dimer concentration
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Fibrinogen concentration
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Soluble fibrin-monomer complexes concentration
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Platelet aggregation
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Antithrombin III activity
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Reserve plasminogen index
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Erythrocyte Lipoperoxidation products, extractable in heptane and isopropanol
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Malondialdehyde Concentration in Erythrocytes
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Glutathion-S-transferase Activity in Erythrocytes
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Change from Baseline in Superoxide dismutase Activity in Erythrocytes
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Vitamin A and E plasma concentration
Baseline, 1, 3, 6 and 12 cycles of 4 weeks (between days 18 and 21 of each cycle)
Secondary Outcomes (2)
Frequency of adverse effects
12 cycles of 4 weeks
Subjective tolerability of contraceptives
12 cycles of 4 weeks
Study Arms (7)
Control group
NO INTERVENTIONHealthy women that no use combined oral contraceptives
20 mcg EE/3 mg drospirenone
EXPERIMENTALWomen that use combined oral contraceptives containing 20 mcg ethinylestradiol/3 mg drospirenone (Yaz)
20 mcg EE/3 mg drospirenone and Selmevit
EXPERIMENTALWomen that use combined oral contraceptives containing 20 mcg ethinylestradiol/3 mg drospirenone (Yaz) and antioxidant complex Selmevit
30 mcg EE/3 mg drospirenone
EXPERIMENTALWomen that use combined oral contraceptives containing 30 mcg ethinylestradiol/3 mg drospirenone (Yasmin)
30 mcg EE/3 mg drospirenone and Selmevit
EXPERIMENTALWomen that use combined oral contraceptives containing 30 mcg ethinylestradiol/3 mg drospirenone (Yasmin) and antioxidant complex Selmevit
35 mcg EE/2mg cyproterone
EXPERIMENTALWomen that use combined oral contraceptives containing 35 mcg ethinylestradiol/2 mg cyproterone
35 mcg EE/2 mg cyproterone and Selmevit
EXPERIMENTALWomen that use combined oral contraceptives containing 20 mcg ethinylestradiol/2 mg cyproterone and Selmevit
Interventions
One contraceptive pill in each day of 28 day cycle. Number of Cycles: 12
One contraceptive pill in each day of 28 day cycle. Number of Cycles: 12. Two pills of Selmevit in each day during 30 days, repeat of the course every 3 months.
One contraceptive pill in each of 21 days, than 7 days break. Number of Cycles: 12
One contraceptive pill in each of 21 days, than 7 days break. Number of Cycles: 12 Two pills of Selmevit in each day during 30 days, repeat of the course every 3 months.
1 contraceptive pill in each day of 28 day cycle. Number of Cycles: 12
One contraceptive pill in each day of 28 day cycle. Number of Cycles: 12. Two pills of Selmevit in each day during 30 days, repeat of the course every 3 months.
Eligibility Criteria
You may qualify if:
- Women aged 18-35 years
- Absence of contraindications for COC use
- Informed voluntary consent for examination
You may not qualify if:
- Age younger than 18 and older than 35 years
- Refusal or failure to comply with the study protocol
- Drug or alcohol dependence
- Psychiatric diseases
- Severe somatic and allergic diseases
- Pregnancy
- Malignancies
- Taking drugs that affect haemostasis, including hormonal contraceptives during 6 months before study beginning
- Cases of thrombosis among first-line relatives in family history
- Contraindications to the COC use under Eligibility Criteria of hormonal contraception (WHO, 2012)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Tyumen State Medical Academy
Tyumen, 3452, Russia
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- SINGLE
- Who Masked
- PARTICIPANT
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Tyumen State Medical Academy
Study Record Dates
First Submitted
December 26, 2013
First Posted
January 6, 2014
Study Start
December 1, 2013
Primary Completion
March 1, 2015
Study Completion
October 1, 2015
Last Updated
November 21, 2014
Record last verified: 2014-01