A Study of Leuprolide 11.25 mg and 30 mg Administered Every 3 Months to Treat Central Precocious Puberty
A Phase 3, Randomized, Multi-Center, Open-Label Study to Evaluate the Efficacy and Safety of Leuprolide Acetate 11.25 and 30 mg Formulations in Children With Central Precocious Puberty
Sponsor: Abbott
This PHASE3 trial investigates Puberty, Precocious and is currently completed. Abbott leads this study, which shows 10 recorded versions since 2008 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.
Study Description(click to expand)Study Design:
A total of 80 children with confirmed CPP were planned to be enrolled and randomized in a 1:1 ratio to receive 2 injections of either leuprolide acetate 11.25 mg or 30 mg depot formulation, each injection administered 3 mo apart (6 mo of treatment):
This study includes a 4-week Screening Period, two 3-mo treatment cycles, and a posttreatment follow-up period (12 weeks following the Mo 6 visit). Study visits will occur at Screening, Day 1, Week 2 (only for subjects participating in the pharmacokinetic subset), Mo 1, 2, 3, Mo 6/Early Termination, and 12 weeks later, for the Posttreatment Follow-up Visit.
This study was conducted at 18 sites in the United States and 4 sites in Puerto Rico.
Study Design:
A total of 80 children with confirmed CPP were planned to be enrolled and randomized in a 1:1 ratio to receive 2 injections of either leuprolide acetate 11.25 mg or 30 mg depot formulation, each injection administered 3 mo apart (6 mo of treatment):
This study includes a 4-week Screening Period, two 3-mo treatment cycles, and a posttreatment follow-up period (12 weeks following the Mo 6 visit). Study visits will occur at Screening, Day 1, Week 2 (only for subjects participating in the pharmacokinetic subset), Mo 1, 2, 3, Mo 6/Early Termination, and 12 weeks later, for the Posttreatment Follow-up Visit.
This study was conducted at 18 sites in the United States and 4 sites in Puerto Rico.
Status Flow
Change History
10 versions recorded-
Jan 2026 — Present [monthly]
Completed PHASE3
-
Sep 2025 — Present [monthly]
Completed PHASE3
-
Sep 2024 — Sep 2025 [monthly]
Completed PHASE3
-
Jul 2024 — Sep 2024 [monthly]
Completed PHASE3
-
Jan 2023 — Jul 2024 [monthly]
Completed PHASE3
▶ Show 5 earlier versions
-
Dec 2022 — Jan 2023 [monthly]
Completed PHASE3
-
Jan 2021 — Dec 2022 [monthly]
Completed PHASE3
-
Jun 2018 — Jan 2021 [monthly]
Completed PHASE3
-
Feb 2017 — Jun 2018 [monthly]
Completed PHASE3
-
Jan 2017 — Feb 2017 [monthly]
Completed PHASE3
First recorded
Jun 2008
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Abbott
For direct contact, visit the study record on ClinicalTrials.gov .
Study Locations
Bayamón, Puerto Rico , Birmingham, United States , Gainesville, United States , Greenwood Village, United States , Hershey, United States , Indianapolis, United States , Jacksonville, United States , Kansas City, United States , Long Beach, United States , Los Angeles, United States and 12 more locations