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Randomised controlled trial of two implantable contraceptives: Jadelle and Implanon

Randomised controlled trial of two implantable contraceptives: Jadelle and Implanon

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN33378571
Enrollment
3000
Registered
2004-04-01
Start date
2003-05-01
Completion date
Unknown
Last updated
2019-11-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Contraception Pregnancy and Childbirth Contraception

Interventions

Jadelle, Implanon, TCu380A (for the observational cohort).

Sponsors

UNDP/UNFPA/WHO/World Bank - Special Programme of Research, Development and Research Training in Human Reproduction
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. General good health 2. Age between 18 and 44 years 3. Not pregnant 4. Requesting long-term reversible contraception 5. Able to keep a menstrual diary 6. Willing to return for follow-up

Exclusion criteria

Exclusion criteria: 1. Breastfeeding an infant less than six weeks 2. High blood pressure 3. Current venous thromboembolism 4. Ischaemic heart disease 5. Vaginal bleeding 6. History of breast cancer

Design outcomes

Primary

MeasureTime frame
1. Pregnancies 2. Adverse events 3. Method continuation rates 4. Incidence of complaints reportedly associated with implant contraception 5. Vaginal bleeding patterns Follow-up duration for primary endpoints: three years.

Secondary

MeasureTime frame
No secondary outcome measures

Countries

Brazil, Chile, China, Dominican Republic, Hungary, Slovenia, Thailand, Turkey, Zimbabwe

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 12, 2026