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Assessing the Impact of Contraceptives on Bone Health Using 41Ca

StatusActive, Not Recruiting
PhasePhase 4
Started
View on ClinicalTrials.gov ↗

Record History

  1. Primary and study completion dates: Dec 2026 to Dec 2028v12
  2. Primary and study completion dates: Dec 2024 to Dec 2026v11
  3. Re-verified, no change to tracked fieldsv10
  4. Primary and study completion dates: Dec 2022 to Dec 2024v9
  5. Re-verified, no change to tracked fieldsv8
Show 6 earlier versionsHide 6 earlier versions
  1. Primary and study completion dates: Dec 2021 to Dec 2022v7
  2. Primary and study completion dates: Dec 2019 to Dec 2021v6
  3. Primary completion date: Feb 2018 to Dec 2019 Completion date: Dec 2018 to Dec 2019v5 Show 1 more changeShow less
    • Completion date: Dec 2018 to Dec 2019
  4. Completion date: Feb 2018 to Dec 2018v4
  5. Primary and study completion dates: Dec 2016 to Feb 2018 Trial status: Recruiting to Active, Not Recruiting · Site details revisedv3 Show 2 more changesShow less
    • Trial status: Recruiting to Active, Not Recruiting
    • Site details revised
  6. Re-verified, no change to tracked fieldsv2
  1. Study First Submitted
  • Stopped: an ongoing trial was terminated, suspended or withdrawn.
  • Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
  • Minor: routine progress and housekeeping, such as sites added or enrollment closed.
This preclinical randomized crossover study will examine the effects of oral versus non-oral contraceptive therapy on bone turnover in young exercising women. In an effort to expose the route-dependent effects of oral versus non-oral contraceptive therapy on bone turnover, the investigators will examine 1) the effects of ethinyl estradiol on bone calcium balance using the 41Ca technology and 2) the underlying physiological mechanisms associated with the effects of oral versus non-oral contraceptive therapy on net bone calcium balance.
Trial Details
NCT Number NCT02367846
Lead Sponsor Penn State University
Collaborators: Purdue University
Conditions Other Disorders of Bone Development and Growth
Enrollment 6 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov