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A Phase III clinical study of LF111 in Japanese women desiring contraception

A Phase III clinical study to evaluate the efficacy and safety of LF111 4 mg in Japanese women desiring contraception

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2031210556
Enrollment
260
Registered
2022-01-18
Start date
2022-01-31
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Contraception

Interventions

One LF111-4mg tablet will be taken (oral administration) daily for the first 24 days, followed by one LF111-placebo tablet daily for the next 4 days. Administration period will have 13 consecutive cyc

Sponsors

Kikuyama Ryoko
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: -Premenopausal Japanese women of childbearing potential aged >=20 years at the time of informed consent -Desire to use oral contraception continuously for 13 cycles -Meet one of the following: a. If the subject is not using a combined oral contraceptive (COC), intrauterine device (IUD), or intrauterine system (IUS) at the time of informed consent, she must be confirmed to have had at least 4 normal menstrual cycles with normal duration of menstruation during 6 months before informed consent. b. If the subject is using a COC, IUD, or IUS at the time of informed consent, she must be confirmed to have had normal menstrual cycles with normal duration of menstruation before starting the use of COC, IUD, or IUS. c. If the subject had delivery, abortion, or stillbirth within the past 6 months before informed consent, she must be confirmed to have had at least one normal menstrual cycle with normal duration of menstruation after the delivery, abortion, or stillbirth.

Exclusion criteria

Exclusion criteria: -Pregnant women or women desiring to become pregnant during the study period -Having a history or current condition of the following: a. Ovulation disorder such as polycystic ovary syndrome b. Infertility c. Unexplained abnormal uterine bleeding d. Active venous thromboembolism e. History of severe liver disease or unresolved laboratory abnormalities f. Severe or acute renal failure g. Malignant tumor within 5 years before informed consent h. Lactose intolerance i. Allergy to any ingredients of the investigational product j. Alcohol dependence or drug dependence within 6 months before informed consent k. Disease being treated (or under consideration of treatment) that precludes participation in this study in the opinion of the investigator -Having screening test results meeting any of the following: a. Pregnancy confirmed by a positive pregnancy test b. Resting systolic blood pressure >=160 mmHg or diastolic blood pressure >=100 mmHg c. AST or ALT level >3 times the upper limit of normal (ULN) d. Obvious abnormalities in laboratory tests (except for those judged to be physiological variations and placed under follow-up) e. Positive cervical cytology result f. Abnormalities on transvaginal ultrasonography or breast examination precluding study participation g. Positive test result for sexually transmitted disease

Design outcomes

Primary

MeasureTime frame
Overall Pearl Index

Contacts

Public ContactRyoko Kikuyama

ASKA Pharmaceutical Co., Ltd.

aska-clinical@aska-pharma.co.jp+81-3-5484-8333

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026