deltatrials
Completed PHASE3 INTERVENTIONAL 2-arm NCT00635817

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

Updated 10 times since 2017 Last updated: Oct 25, 2011 Started: Jun 30, 2008 Primary completion: Jan 31, 2010 Completion: Jun 30, 2010
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

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

~Jan 2017 – ~Feb 2017 · 31 days · monthly snapshotCompleted~Feb 2017 – ~Jun 2018 · 16 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Dec 2022 · 23 months · monthly snapshotCompleted~Dec 2022 – ~Jan 2023 · 31 days · monthly snapshotCompleted~Jan 2023 – ~Jul 2024 · 18 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 7 months · monthly snapshotCompleted~Jan 2026 – present · 3 months · monthly snapshotCompleted

Change History

10 versions recorded
  1. Jan 2026 — Present [monthly]

    Completed PHASE3

  2. Sep 2025 — Present [monthly]

    Completed PHASE3

  3. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE3

  4. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE3

  5. Jan 2023 — Jul 2024 [monthly]

    Completed PHASE3

Show 5 earlier versions
  1. Dec 2022 — Jan 2023 [monthly]

    Completed PHASE3

  2. Jan 2021 — Dec 2022 [monthly]

    Completed PHASE3

  3. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE3

  4. Feb 2017 — Jun 2018 [monthly]

    Completed PHASE3

  5. 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

Sponsor contact:
  • Abbott
Data source: Abbott

For direct contact, visit the study record on ClinicalTrials.gov .