Experimental Group |
LNG IUS product |
The LNG IUS product (Avibela®) is a levonorgestrel-releasing intrauterine system consisting of a T-shaped polyethylene frame with a drug reservoir containing 52 mg levonorgestrel, packaged within a sterile inserter. Initially, levonorgestrel is released at a rate of 18.6 mcg/day. The rate decreases progressively to approximately 16.3 mcg/day at 1 year and 14.3 mcg/day at 2 years.
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The products will be used as explained in the product labels. No dosing alterations will be made. For the LNG IUS, once the product is inserted in the uterus, no dosing actions are required of the participant. |
This trial will use two contraceptive products that are currently approved by the Kenyan regulatory authorities and available in Kenya:
The LNG IUS product (Avibela®) is a levonorgestrel-releasing intrauterine system consisting of a T-shaped polyethylene frame with a drug reservoir containing 52 mg levonorgestrel, packaged within a sterile inserter. Initially, levonorgestrel is released at a rate of 18.6 mcg/day. The rate decreases progressively to approximately 16.3 mcg/day at 1 year and 14.3 mcg/day at 2 years.
The products will be used as explained in the product labels. No dosing alterations will be made. For the LNG IUS, once the product is inserted in the uterus, no dosing actions are required of the participant.
If the participant tests negative for pregnancy and additionally study staff are reasonably sure the participant is not currently pregnant according to WHO guidelines, the products can be started on the day of enrollment. In some cases, the participant may need to return to the clinic for LNG IUS insertion. Study staff may need to provide back-up contraceptive methods if the participant is 5+ days past the start of her last menses. The World Health Organization’s Family Planning Handbook will be used to help clinicians determine the appropriate starting day of the contraceptive regimens.
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300 |
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Control Group |
Combined oral contraceptive regimen FemiplanTM |
The combined oral contraceptive regimen (FemiplanTM) is provided in a 28-day blister pack. Each pack contains 21 tablets containing 0.15 mg of levonorgestrel/30 mcg of ethinyl estradiol and 7 tablets containing 75 mg of ferrous fumarate |
The products will be used as explained in the product labels. No dosing alterations will be made. For the COC regimen, participants will be instructed to take one tablet every day and start the subsequent pack immediately after finishing the previous 28-day regimen. The products will be used as explained in the product labels. No dosing alterations will be made. For the COC regimen, participants will be instructed to take one tablet every day and start the subsequent pack immediately after finishing the previous 28-day regimen. |
The combined oral contraceptive regimen (FemiplanTM) is provided in a 28-day blister pack. Each pack contains 21 tablets containing 0.15 mg of levonorgestrel/30 mcg of ethinyl estradiol and 7 tablets containing 75 mg of ferrous fumarate.If the participant tests negative for pregnancy and additionally study staff are reasonably sure the participant is not currently pregnant according to WHO guidelines, the products can be started on the day of enrollment. The participant can take the COCs product home and start when appropriate. The World Health Organization’s Family Planning Handbook will be used to help clinicians determine the appropriate starting day of the contraceptive regimens. |
300 |
Active-Treatment of Control Group |