Levonorgestrel Contraceptive Intrauterine Systems (LCS) Pearl Index Study
Multi-Center, Open-Label, Randomized Study to Assess the Safety and Contraceptive Efficacy of Two Doses ( in vitro12 µg/24h and 16 µg/24h) of the Ultra Low Dose Levonorgestrel Contraceptive Intrauterine Systems (LCS) for a Maximum of 3 Years in Women 18 to 35 Years of Age and an Extension Phase of the 16µg/24h Dose Group (LCS16 Arm) up to 5 Years
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 3
Contacts and Locations
Study Locations
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Buenos Aires
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Lanus Oeste, Buenos Aires, Argentina, 1824
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San Isidro, Buenos Aires, Argentina, B1642CLN
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Ciudad Auton. de Buenos Aires
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Buenos Aires, Ciudad Auton. de Buenos Aires, Argentina, C1425ASQ
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Santa Fe
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Rosario, Santa Fe, Argentina, 2000
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Quebec, Canada, G1V 4X7
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Quebec, Canada, G1S 2L6
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Alberta
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Calgary, Alberta, Canada, T2N 4L7
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Manitoba
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Winnipeg, Manitoba, Canada, R3A 1M3
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Winnipeg, Manitoba, Canada, R3E 3P4
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Ontario
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Kingston, Ontario, Canada, K7L 2V7
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London, Ontario, Canada, N6A 4G5
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Waterloo, Ontario, Canada, N2L 6H6
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Quebec
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Montreal, Quebec, Canada, H4P 2S4
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Montreal, Quebec, Canada, H1T 1P6
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Shawinigan, Quebec, Canada, G9N 2H6
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Sherbrooke, Quebec, Canada, J1H 4J6
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Saskatchewan
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Saskatoon, Saskatchewan, Canada, S7H 5M3
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Santiago, Chile
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Santiago de Chile, Chile
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Espoo, Finland, 02100
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Helsinki, Finland, 00260
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Helsinki, Finland, 00100
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Joensuu, Finland, 80100
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Kotka, Finland, 48100
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Kuopio, Finland, 70110
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Lahti, Finland, 15110
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Oulu, Finland, 90100
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Oulu, Finland, 90220
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Oulu, Finland, 90570
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Tampere, Finland, 33100
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Turku, Finland, 20520
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Turku, Finland, 20100
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Turku, Finland, 20540
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COMPIEGNE cedex, France, 60204
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Grenoble, France, 38043
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Le Chesnay, France, 78150
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Lille, France, 59037
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Nimes, France, 30029
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Quetigny, France, 21800
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REIMS Cedex, France, 51092
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Roanne, France, 42300
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Bekescsaba, Hungary, 5600
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Budapest, Hungary, 1116
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Eger, Hungary, 3300
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Esztergom, Hungary, 2500
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Kecskemet, Hungary, 6000
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Nyiregyhaza, Hungary, 4400
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Szentes, Hungary, 6600
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Csongrad
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Szeged, Csongrad, Hungary, 6720
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México, D.F., Mexico, 11000
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México, D.F., Mexico, 06720
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Coahuila
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Torreón, Coahuila, Mexico, 27000
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Distrito Federal
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México, D.F., Distrito Federal, Mexico, 06700
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Nuevo Leon
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Monterrey, Nuevo Leon, Mexico
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Sonora
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Hermosillo, Sonora, Mexico, 83100
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Alkmaar, Netherlands, 1817 MS
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Den Haag, Netherlands, 2545 CH
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Eindhoven, Netherlands, 5623 EJ
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Heerlen, Netherlands, 6419 PC
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Helmond, Netherlands, 5707 HA
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Hoofddorp, Netherlands, 2134 TM
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Nijmegen, Netherlands, 6532 SZ
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Rotterdam, Netherlands, 3079 DZ
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Utrecht, Netherlands, 3582 KE
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Elverum, Norway, 2403
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Kolbotn, Norway, 1411
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Larvik, Norway, 3264
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Oslo, Norway, 0364
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Trondheim, Norway, 7014
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Göteborg, Sweden, 416 64
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Luleå, Sweden, 972 33
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Malmö, Sweden, 217 44
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Norrköping, Sweden, 602 22
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Stockholm, Sweden, 171 76
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Stockholm, Sweden, 141 86
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Stockholm, Sweden, 182 88
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Stockholm, Sweden, 118 83
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Umeå, Sweden, 90185
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Uppsala, Sweden, 75185
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Örebro, Sweden, 70185
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Alabama
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Mobile, Alabama, United States, 36608
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Arizona
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Glendale, Arizona, United States, 85304
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Phoenix, Arizona, United States, 85032
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Tucson, Arizona, United States, 85712
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California
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Carmichael, California, United States, 95608
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Pacific Palisades, California, United States, 90272
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San Diego, California, United States, 92103
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San Diego, California, United States, 92108
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San Diego, California, United States, 92123
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San Diego, California, United States, 92130
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Torrance, California, United States, 90502
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Colorado
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Denver, Colorado, United States, 80218
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Littleton, Colorado, United States, 80128
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Florida
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Boyton Beach, Florida, United States, 33472
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Jacksonville, Florida, United States, 32216
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Miami, Florida, United States, 33186
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West Palm Beach, Florida, United States, 33409
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Georgia
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Atlanta, Georgia, United States, 30328
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Decatur, Georgia, United States, 30034
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Idaho
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Boise, Idaho, United States, 83702
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Idaho Falls, Idaho, United States, 83404
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Illinois
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Chicago, Illinois, United States, 60612
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Indiana
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Evansville, Indiana, United States, 47714
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South Bend, Indiana, United States, 46601
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Louisiana
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Marrero, Louisiana, United States, 70072
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Massachusetts
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Boston, Massachusetts, United States, 02118
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Michigan
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Kalamazoo, Michigan, United States, 49009
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Minnesota
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Chaska, Minnesota, United States, 55318
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Missouri
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Chesterfield, Missouri, United States, 63017
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Nebraska
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Lincoln, Nebraska, United States, 68510
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Nevada
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Las Vegas, Nevada, United States, 89135
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Las Vegas, Nevada, United States, 89128
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Las Vegas, Nevada, United States, 89106
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New Jersey
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Moorestown, New Jersey, United States, 08057
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New Brunswick, New Jersey, United States, 08903-2685
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New Mexico
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Albuquerque, New Mexico, United States, 87102
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New York
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New York, New York, United States, 10032
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North Carolina
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New Bern, North Carolina, United States, 28562
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Winston-Salem, North Carolina, United States, 27103
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Ohio
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Cincinnati, Ohio, United States, 45267
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Columbus, Ohio, United States, 43213
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Oregon
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Medford, Oregon, United States, 97504
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Portland, Oregon, United States, 97239
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Pennsylvania
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Jenkintown, Pennsylvania, United States, 19046
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Philadelphia, Pennsylvania, United States, 19114
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Pittsburgh, Pennsylvania, United States, 15206
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Pittsburgh, Pennsylvania, United States, 15213-3180
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South Carolina
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Columbia, South Carolina, United States, 29201
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Tennessee
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Chattanooga, Tennessee, United States, 37404
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Memphis, Tennessee, United States, 38119
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Nashville, Tennessee, United States, 37203
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Texas
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Austin, Texas, United States, 78748
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Houston, Texas, United States, 77030
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Houston, Texas, United States, 77054
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Virginia
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Norfolk, Virginia, United States, 23507
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Washington
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Seattle, Washington, United States, 98105
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Spokane, Washington, United States, 99207
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age between 18 and 35 years (inclusive), in good general health and requesting contraception.
- Has regular menstrual cycles (length of cycle 21-35 days) (i.e., endogenous cyclicity without hormonal contraceptive use).
Exclusion Criteria:
- Known or suspected pregnancy or is lactating.
- History of ectopic pregnancies.
- Any genital infection (until successfully treated).
- Abnormal uterine bleeding of unknown origin.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
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Experimental: LCS12
Intrauterine levonorgestrel contraceptive system (LCS), releasing levonorgestrel (LNG) 12 microg/24 h in vitro
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Intrauterine system (IUS) with Levonorgestrel, in vitro releasing rate 12 microg/24 h
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Experimental: LCS16
Intrauterine levonorgestrel contraceptive system (LCS), releasing levonorgestrel (LNG) 16 microg/24 h in vitro
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Intrauterine system (IUS) with Levonorgestrel, in vitro releasing rate 16 microg/24 h
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
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Pearl Index up to 3 Years
Time Frame: Up to 3 years
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The unadjusted Pearl Index (PI) is defined as the number of pregnancies per 100 woman years.
The 3-year PI was obtained by dividing the number of pregnancies that occurred during the first three years of treatment by the time (in 100 women years) that the women were at risk of getting pregnant.
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Up to 3 years
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Pearl Index for LCS16 up to 5 Years
Time Frame: Up to 5 years
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The unadjusted Pearl Index (PI) is defined as the number of pregnancies per 100 woman years.
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Up to 5 years
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
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Bleeding Patterns in Days by 90-day Reference Periods - Reference Period 1
Time Frame: Day 1 to Day 90
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 1 to Day 90
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Bleeding Patterns in Days by 90-day Reference Periods - Reference Period 2
Time Frame: Day 91 to Day 180
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 91 to Day 180
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Bleeding Patterns in Days by 90-day Reference Periods - Reference Period 3
Time Frame: Day 181 to Day 270
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 181 to Day 270
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Bleeding Patterns in Days by 90-day Reference Periods - Reference Period 4
Time Frame: Day 271 to Day 360
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 271 to Day 360
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Bleeding Patterns in Days by 90-day Reference Periods - Reference Period 12
Time Frame: Day 991 to Day 1080
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 991 to Day 1080
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Bleeding Patterns in Days by 30-day Reference Periods - Reference Period 1
Time Frame: Day 1 to Day 30
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 1 to Day 30
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Bleeding Patterns in Days by 30-day Reference Periods - Reference Period 2
Time Frame: Day 31 to Day 60
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 31 to Day 60
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Bleeding Patterns in Days by 30-day Reference Periods - Reference Period 3
Time Frame: Day 61 to Day 90
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 61 to Day 90
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Bleeding Patterns in Days by 30-day Reference Periods - Reference Period 4
Time Frame: Day 91 to Day 120
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 91 to Day 120
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Bleeding Patterns in Days by 30-day Reference Periods - Reference Period 12
Time Frame: Day 331 to Day 360
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 331 to Day 360
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Number of Participants With/Without Ovulation - Year 1
Time Frame: For six weeks in the second half of Year 1
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Serum concentrations of progesterone were analyzed.
All subjects with progesterone values equal to or greater than 2.5 ng/ml were assessed as having an ovulation.
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For six weeks in the second half of Year 1
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Number of Participants With/Without Ovulation - Year 2
Time Frame: For six weeks in the second half of Year 2
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Serum concentrations of progesterone were analyzed.
All subjects with progesterone values equal to or greater than 2.5 ng/ml were assessed as having an ovulation.
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For six weeks in the second half of Year 2
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Number of Participants With/Without Ovulation - Year 3
Time Frame: For six weeks in the second half of Year 3
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Serum concentrations of progesterone were analyzed.
All subjects with progesterone values equal to or greater than 2.5 ng/ml were assessed as having an ovulation.
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For six weeks in the second half of Year 3
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Average Total Cervical Score - Year 1
Time Frame: For six weeks in the second half of Year 1
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Cervical mucus samples were analyzed to determine any effects of progesterone on the cervical mucus.
Range of score: 0 (high contraceptive efficacy) to 12 (low contraceptive efficacy)
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For six weeks in the second half of Year 1
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Average Total Cervical Score - Year 2
Time Frame: For six weeks in the second half of Year 2
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Cervical mucus samples were analyzed to determine any effects of progesterone on the cervical mucus. Range of score: 0 (high contraceptive efficacy) to 12 (low contraceptive efficacy) |
For six weeks in the second half of Year 2
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Average Total Cervical Score - Year 3
Time Frame: For six weeks in the second half of Year 3
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Cervical mucus samples were analyzed to determine any effects of progesterone on the cervical mucus.
Range of score: 0 (high contraceptive efficacy) to 12 (low contraceptive efficacy)
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For six weeks in the second half of Year 3
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Classification of Endometrium - Year 1
Time Frame: At Year 1
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The histological evaluation of the endometrium examined the effects of progesterone on the endometrium
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At Year 1
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Classification of Endometrium - Year 2
Time Frame: At Year 2
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The histological evaluation of the endometrium examined the effects of progesterone on the endometrium
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At Year 2
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Classification of Endometrium - Year 3 / End of Study
Time Frame: At Year 3 / End of study
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The histological evaluation of the endometrium examined the effects of progesterone on the endometrium
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At Year 3 / End of study
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Degree of User Overall Satisfaction With Study Treatment
Time Frame: At the end of study/Year 3
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Overall user satisfaction was assessed by a questionnaire given to participants at the end of the study.
The questionnaire was only given to participants whose end-of-study visit occurred after implementation of Protocol Amendment 3.
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At the end of study/Year 3
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Number of Participants With Partial or Total Expulsion
Time Frame: Up to 3 years
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If LCS was displaced, but still in the cervical canal, it was assessed as being partially displaced.
If LCS was expelled from the uterus, it was assessed as a total expulsion.
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Up to 3 years
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Bleeding Patterns in Days by 90-day Reference Periods - Reference Period 13
Time Frame: Day 1081 to Day 1170
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 1081 to Day 1170
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Bleeding Patterns in Days by 90-day Reference Periods - Reference Period 20
Time Frame: Day 1711 to Day 1800
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The occurrence of genital bleeding was to be recorded by study subjects every day in a diary.
Bleeding was to be recorded as light, normal or heavy, no bleeding, or spotting only.
Spotting was defined as slight genital bleeding relative to the participant's experience.
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Day 1711 to Day 1800
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Degree of User Overall Satisfaction With Study Treatment up to 5 Years
Time Frame: At the end of study/Year 5
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Overall user satisfaction was assessed by a questionnaire given to participants at the end of the study.
The questionnaire was only given to participants whose end-of-study visit occurred after implementation of Protocol Amendment 3.
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At the end of study/Year 5
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Number of Participants With Partial or Total Expulsion up to 5 Years
Time Frame: Up to 5 years
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If LCS was displaced, but still in the cervical canal, it was assessed as being partially displaced.
If LCS was expelled from the uterus, it was assessed as a total expulsion.
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Up to 5 years
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Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
General Publications
- Nahum GG, Kaunitz AM, Rosen K, Schmelter T, Lynen R. Ovarian cysts: presence and persistence with use of a 13.5mg levonorgestrel-releasing intrauterine system. Contraception. 2015 May;91(5):412-7. doi: 10.1016/j.contraception.2015.01.021. Epub 2015 Feb 7.
- Apter D, Gemzell-Danielsson K, Hauck B, Rosen K, Zurth C. Pharmacokinetics of two low-dose levonorgestrel-releasing intrauterine systems and effects on ovulation rate and cervical function: pooled analyses of phase II and III studies. Fertil Steril. 2014 Jun;101(6):1656-62.e1-4. doi: 10.1016/j.fertnstert.2014.03.004. Epub 2014 Apr 14.
- Nelson A, Apter D, Hauck B, Schmelter T, Rybowski S, Rosen K, Gemzell-Danielsson K. Two low-dose levonorgestrel intrauterine contraceptive systems: a randomized controlled trial. Obstet Gynecol. 2013 Dec;122(6):1205-13. doi: 10.1097/AOG.0000000000000019. Erratum In: Obstet Gynecol. 2014 May;123(5):1109.
- Gemzell-Danielsson K, Apter D, Hauck B, Schmelter T, Rybowski S, Rosen K, Nelson A. The Effect of Age, Parity and Body Mass Index on the Efficacy, Safety, Placement and User Satisfaction Associated With Two Low-Dose Levonorgestrel Intrauterine Contraceptive Systems: Subgroup Analyses of Data From a Phase III Trial. PLoS One. 2015 Sep 17;10(9):e0135309. doi: 10.1371/journal.pone.0135309. eCollection 2015.
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
Other Study ID Numbers
- 91665
- 310442 (Other Identifier: Company internal)
- G04209F (Other Identifier: Company internal)
- G04209G (Other Identifier: Company internal)
- 2007-000420-40 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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