deltatrials
Active Not Recruiting EARLY_PHASE1 INTERVENTIONAL 2-arm NCT03748966

Calcitriol Monotherapy for X-Linked Hypophosphatemia

Calcitriol Monotherapy for X-Linked Hypophosphatemia: Effects on Mineral Ions, Growth and Skeletal Parameters

Sponsor: Massachusetts General Hospital

Interventions Calcitriol
Updated 9 times since 2018 Last updated: Sep 26, 2025 Started: Mar 28, 2019 Primary completion: Mar 1, 2025 Completion: May 31, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A EARLY_PHASE1 clinical study on Hypophosphatemic Rickets and Hypophosphatemic Rickets, X-Linked Dominant, this trial is ongoing. The trial is conducted by Massachusetts General Hospital and has accumulated 9 data snapshots since 2019. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~Dec 2018 – ~Sep 2019 · 9 months · monthly snapshotRecruiting~Sep 2019 – ~Oct 2020 · 13 months · monthly snapshotRecruiting~Oct 2020 – ~Jan 2021 · 3 months · monthly snapshotRecruiting~Jan 2021 – ~Apr 2022 · 15 months · monthly snapshotRecruiting~Apr 2022 – ~Apr 2024 · 24 months · monthly snapshotRecruiting~Apr 2024 – ~Jul 2024 · 3 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotRecruiting~Sep 2024 – ~Nov 2025 · 14 months · monthly snapshotRecruiting~Nov 2025 – present · 8 months · monthly snapshotActive Not Recruiting

Change History

9 versions recorded
  1. Nov 2025 — Present [monthly]

    Active Not Recruiting EARLY_PHASE1

    Status: RecruitingActive Not Recruiting

  2. Sep 2024 — Nov 2025 [monthly]

    Recruiting EARLY_PHASE1

  3. Jul 2024 — Sep 2024 [monthly]

    Recruiting EARLY_PHASE1

  4. Apr 2024 — Jul 2024 [monthly]

    Recruiting EARLY_PHASE1

  5. Apr 2022 — Apr 2024 [monthly]

    Recruiting EARLY_PHASE1

Show 4 earlier versions
  1. Jan 2021 — Apr 2022 [monthly]

    Recruiting EARLY_PHASE1

  2. Oct 2020 — Jan 2021 [monthly]

    Recruiting EARLY_PHASE1

  3. Sep 2019 — Oct 2020 [monthly]

    Recruiting EARLY_PHASE1

  4. Dec 2018 — Sep 2019 [monthly]

    Recruiting EARLY_PHASE1

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Massachusetts General Hospital
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Data source: Massachusetts General Hospital

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

Study Locations