NCT07222228

Brief Summary

This is a multicenter, open-label, Phase 2b study to evaluate the efficacy and safety of 2 LB SQ injections administered at a 4-month (approximately 17 weeks) interval for female contraception.

Trial Health

65
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
165

participants targeted

Target at P75+ for phase_2

Timeline
36mo left

Started Apr 2026

Typical duration for phase_2

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress3%
Apr 2026Mar 2029

First Submitted

Initial submission to the registry

October 22, 2025

Completed
7 days until next milestone

First Posted

Study publicly available on registry

October 29, 2025

Completed
5 months until next milestone

Study Start

First participant enrolled

April 1, 2026

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2028

Expected
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 31, 2029

Last Updated

October 29, 2025

Status Verified

October 1, 2025

Enrollment Period

2.8 years

First QC Date

October 22, 2025

Last Update Submit

October 27, 2025

Conditions

Keywords

Female contraception

Outcome Measures

Primary Outcomes (1)

  • To evaluate the contraceptive efficacy of 2 LB SQ injections administered at a 4-month (approximately 17 weeks)interval over 8 cycles

    As measured by The cumulative pregnancy percentage (calculated using Kaplan-Meier) through 8 cycles

    224 days

Secondary Outcomes (5)

  • To assess the safety of 2 LB SQ injections

    240 days

  • To further explore the contraceptive efficacy of 2 LB SQ injections

    224 days

  • To explore bleeding patterns in participants receiving 2 LB SQ injections

    240 days

  • To evaluate acceptability of 2 LB SQ injections

    240 days

  • To evaluate satisfaction of 2 LB SQ injections

    240 days

Study Arms (1)

LB 60 mg SQ (70 mg/mL)

EXPERIMENTAL

The participants will receive 2 injections of LB 60 mg SQ (70 mg/mL); 1 at Visit 2 (Day 1) and 1 at Visit 7 (Day 120).

Drug: Levonorgestrel butanoate

Interventions

60 mg SQ (70 mg/mL)

Also known as: Chemical, Generic: 13β-ethyl-17α-ethynylgon-4-en-3-one- 17β-n-butyrate, Trade Names: CDB-1830 and HRP002
LB 60 mg SQ (70 mg/mL)

Eligibility Criteria

Age18 Years - 35 Years
Sexfemale(Gender-based eligibility)
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Participant understands and signs an ICF approved by the institutional review board prior to any screening activities.
  • Female and 18 to 35 years of age, inclusive, at enrollment (Visit 2, Day 1).
  • Good general overall health with no chronic medical conditions that result in periodic exacerbations requiring significant medical care.
  • Menstrual cycles of 21 to 35 days in length with typical variation in cycle length of 5 days or less when not using hormonal contraception.
  • Intact uterus and at least 1 ovary.
  • If used a hormonal contraceptive or intra-uterine device (IUD) prior to enrollment, the participant meets the appropriate criteria for time since last use:
  • Oral, transdermal, vaginal, copper or LNG IUD or implantable hormonal contraceptives: participants must have discontinued hormone use ≥4 days prior to start of study treatment, experienced bleeding that is consistent with menses in the opinion of the investigator and not have had unprotected intercourse since discontinuing the method.
  • Injectable contraception (e.g., DMPA): No injection during the 10 months prior to the Screening Visit, unless the participant has returned to normal menses (i.e., 2 consecutive menses) since last injection.
  • Negative urine pregnancy test at enrollment (Visit 2, Day 1).
  • Body mass index \<40 kg/m2.
  • Willing to use the study method as the primary method of contraception until the end of the Treatment Period.
  • At risk for pregnancy defined as:
  • Expecting to have ≥1 act of heterosexual intercourse each month during study participation until the end of the Treatment Period.
  • No medical history suggesting possible infertility or hypofertility, including but not limited to, ectopic pregnancy or pelvic infection (unless has had a subsequent intra-uterine pregnancy).
  • Has a sexual partner with no known problems with infertility orhypofertility.

You may not qualify if:

  • Planning pregnancy during study participation through the End -of -Treatment Visit (Visit 11, Day 240).
  • Is post-partum and has not had 2 spontaneous menses (1 cycle) since delivery or 1 menses since first or second trimester abortion or miscarriage.
  • Breastfeeding or within 30 days of discontinuing breastfeeding unless the participant has already had 2 menses (1 cycle) following discontinuation of breastfeeding.
  • Undiagnosed abnormal genital bleeding.
  • Undiagnosed vaginal discharge, lesions, or abnormalities.
  • Participating in another clinical study involving an IP or device within 30 days prior to the Screening Visit or planning to participate in another clinical study during this study.
  • Not living in the catchment area of the study site.
  • Known hypersensitivity or contraindication to progestins, including the active substance LB or any excipients of the study treatment.
  • Current need for therapeutic anticoagulation or known history of thrombophilia.
  • Use or planned use of exogenous reproductive hormones during study participation.
  • Body weight change exceeding 10% over the previous year or planned significant weight loss during the study related to bariatric surgery, dieting, or planned treatment.
  • Uncontrolled hypertension, in which diastolic blood pressure remains ≥95 mmHg or systolic blood pressure remains ≥145 mmHg.
  • Smoking nicotine (e.g., cigarettes or electronic cigarettes) AND has at least 1 of the following comorbidities or conditions (at the discretion of the investigator):
  • Current or history of venous thrombophlebitis or thromboembolic disorders (including deep vein thrombosis and pulmonary embolism).
  • Current or history of cerebrovascular or coronary-artery disease.
  • +16 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Interventions

levonorgestrel butanoate

Study Officials

  • Diana Blithe, PhD

    Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)

    STUDY DIRECTOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NA
Masking
NONE
Purpose
PREVENTION
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Senior Program Director, NICHD

Study Record Dates

First Submitted

October 22, 2025

First Posted

October 29, 2025

Study Start

April 1, 2026

Primary Completion (Estimated)

December 31, 2028

Study Completion (Estimated)

March 31, 2029

Last Updated

October 29, 2025

Record last verified: 2025-10

Data Sharing

IPD Sharing
Will not share