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| ID | Type | Description | Link |
|---|---|---|---|
| 015532040 | Other Grant/Funding Number | Faculty of Medicine Siriraj Hospital, Mahidol University |
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The purpose of this study is to evaluate different side effect in contraceptive use of two oral combined contraceptive pills (OCP)in combination of 30 mcg ethinylestradiol/2 mg chlormadinone acetate (Belara®) and 30 mcg ethinylestradiol/3 mg drospirenone (Yasmin®), especially body weight change.
Oral combined contraceptive pills (OCP) is the most contraceptive use in reproductive women. The various type of progestins in OCP give various effects either benefit (non-contraceptive benefit) and side effect. These effects depend on pharmacological activity of each progestin. Many studies showed causes of discontinuation use of OCP, such as increase body weight,androgenic effect and vaginal spotting. OCP in combination of 30 mcg ethinylestradiol/2 mg chlormadinone acetate (Belara®) and 30 mcg ethinylestradiol/3 mg drospirenone (Yasmin®)are the common used in practice. The each type of progestin (chlormadinone and drospirenone) might effect different outcomes in women especially in body weight change during use. Chlormadinone is a C-21 progestin which has glucocorticoid and antiandrogenic effect. Drospirenone is a progestin in spironolactone derivative which has antimineralocorticoid and antiandrogenic effect. Both progestins might has less effect in body weight change and provide other non-contraceptive benefits. So investigator want to study the different effects from these progestin in two type of OCP. The result from this study could give information to choose the proper OCP for each reproductive woman.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Belara | Experimental | The participants who receive OCP in combination of 30 mcg ethinylestradiol/2 mg chlormadinone acetate (Belara®). |
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| Yasmin | Experimental | The participants who receive OCP in combination of 30 mcg ethinylestradiol/3 mg drospirenone (Yasmin®). |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| 30 mcg ethinylestradiol/2 mg chlormadinone acetate | Drug | By orally 1 tablet before bedtime for 21 days and withdrawal 7 days after that start the new cycle. Total study period is 6 cycles of pills. |
| Measure | Description | Time Frame |
|---|---|---|
| body weight change | Compare the body weight change during use of two OCP (30 mcg ethinylestradiol/2 mg chlormadinone acetate (Belara®) and 30 mcg ethinylestradiol/3 mg drospirenone (Yasmin®)). By follow up at 3rd and final at 6th month of use. | 6 month |
| Measure | Description | Time Frame |
|---|---|---|
| efficacy in contraception (pregnancy rate) | To evaluate contraceptive efficacy of two OCP. Urine pregnancy test was used to evaluate pregnancy, the participant was tested in every visit of the study. | 6 month |
| Other side effects |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Family Planning Unit, Department of Obstetric and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University | Bangkok | Bangkok | 10700 | Thailand |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 31756117 | Derived | Wongwananuruk T, Panichyawat N, Panchalee T, Jirakittidul P, Angsuwathana S, Sirimai K, Thamkhantho M, Chiravacharadej G. Comparison of change in body weight between contraception containing 30-mug ethinylestradiol/2-mg chlormadinone acetate or 30-mug ethinylestradiol/3-mg drospirenone: a randomised controlled trial. Eur J Contracept Reprod Health Care. 2020 Feb;25(1):43-48. doi: 10.1080/13625187.2019.1688290. Epub 2019 Nov 22. |
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| ID | Term |
|---|---|
| D001836 | Body Weight Changes |
| ID | Term |
|---|---|
| D001835 | Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| C112985 | Belara |
| C534342 | drospirenone and ethinyl estradiol combination |
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| 30 mcg ethinylestradiol/3 mg drospirenone | Drug | By orally 1 tablet before bedtime for 21 days then withdrawal 7 days after that start the new cycle. Total study period is 6 cycles of pills. |
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To evaluate other side effects during using both OCP,such as vaginal spotting, androgenic effect, blood pressure, headache and GI effect. Vaginal spotting was classified by number of pad (WHO definition) which the participant used in each cycle and record in menstrual card. Androgenic effect was classified by Modified Ferriman - Gallway Score for hirsutism (score > 7), American Academy of Dermatology Consensus 2009 on acne classification (mild, moderate, severe)for acne, systolic/diastolic blood pressure and the presence or no presence of headache and GI discomfort.
| 6 month |
| satisfaction | To compare satisfaction in study process. In each visit (first, 3rd month and 6th month of study period). The participant was evaluated satisfaction in topics of diagnosis, timing of study process, information from the staff about the study process and the way to use oral pills, quality of the oral pills and conclusive satisfaction. The rating of satisfaction was categorised in five levels as five scoring numbers by using questionnaire; 5=extreme satisfaction, 4=very satisfaction, 3=moderate satisfaction, 2= little satisfaction, 1=no satisfaction. | 6 month |