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Condition (MeSH)

Familial Hypophosphatemic Rickets

ClinicalTrials.gov lists 49 trials for Familial Hypophosphatemic Rickets or a narrower condition beneath it. Kyowa Kirin Co., Ltd. has the most among industry and government lead sponsors, with 10.

MeSH D053098 Musculoskeletal Diseases C05 C12 C16 C18
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Phase 1 Phase 1 5 Phase 1/2 Phase 1/2 5 Phase 2 Phase 2 3 Phase 3 Phase 3 8 Phase 4 Phase 4 5 Not applicable Not applicable 5 Observational Observational 17 Expanded access Expanded access 1 Phase 1 Phase 1 5 Phase 1/2 Phase 1/2 5 Phase 2 Phase 2 3 Phase 3 Phase 3 8 Phase 4 Phase 4 5 Not applicable Not applicable 5 Observational Observational 17 Expanded access Expanded access 1

Trials per phase

49 of the 49 trials are tagged with Familial Hypophosphatemic Rickets itself; the rest are tagged with a narrower condition beneath it.

Get the Familial Hypophosphatemic Rickets report as a PDF

The PDF carries up to 50 rows of each section, where the page shows the first few, with the sources listed. Enter a work email and confirm it from the message we send, and the report follows by email.

When did Familial Hypophosphatemic Rickets trials start? (20)

Shown in this order: most recent first, 1990 onwards. 2026 is partial: trials registered with a 2026 start date so far, not a full year.

Trials over time, by phase

  • Phase 1
  • Phase 1/2
  • Phase 2
  • Phase 3
  • Phase 4
  • Not applicable
  • Observational

Top of scale: 6

2004: 1 trials (Phase 1 1) 2005: 1 trials (Phase 1 1) 2006: 1 trials (Phase 1/2 1) 2007: 1 trials (Phase 3 1) 2008: 1 trials (Phase 1 1) 2009: 1 trials (Not applicable 1) 2011: 3 trials (Not applicable 2, Phase 1/2 1) 2012: 1 trials (Phase 1/2 1) 2014: 2 trials (Phase 2 1, Phase 1 1) 2015: 3 trials (Phase 3 2, Phase 2 1) 2016: 2 trials (Phase 3 1, Phase 2 1) 2017: 3 trials (Observational 1, Phase 4 1, Phase 3 1) 2018: 5 trials (Observational 4, Phase 4 1) 2019: 6 trials (Observational 3, Phase 4 1, Phase 3 1, Phase 1 1) 2020: 4 trials (Observational 3, Phase 1/2 1) 2021: 6 trials (Observational 2, Phase 4 2, Phase 3 2) 2022: 1 trials (Observational 1) 2024: 2 trials (Observational 1, Phase 1/2 1) 2025: 2 trials (Observational 1, Not applicable 1)

Trials registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table's notes). The table below lists the same counts, most recent years first.

Trials started per year
Year Trials started
2026 (partial year) 2
2025 2
2024 2
2022 1
2021 6
2020 4
2019 6
2018 5
2017 3
2016 2

No forecast is made for this condition: it averages 1.8 trial starts a year over the five years to September, under the 5 a year the method needs.

Recruitment duration, a model prediction: 2 trials still running at the 2026-10-09 snapshot, fewer than the 5 needed for a median. Source: ClinicalTrials.gov / AACT (CTTI), public domain.

What phase are Familial Hypophosphatemic Rickets trials in? (8)

Shown in this order: phase order.

Show the trials by phase as a table
Trials by phase
Phase Trials
Phase 1 5
Phase 1/2 5
Phase 2 3
Phase 3 8
Phase 4 5
Not applicable 5
Observational 17
Expanded access 1

How many Familial Hypophosphatemic Rickets trials are recruiting? (7)

Shown in this order: the order a trial moves through, from not yet recruiting to unknown.

Trials by recruitment status
Status Trials
Not yet recruiting 1
Recruiting 4
Active, not recruiting 4
Available 1
Completed 31

Status as registered on ClinicalTrials.gov. Each trial is counted once.

Which lead sponsors run the most Familial Hypophosphatemic Rickets trials? (5)

Shown in this order: most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.

Lead sponsors
Sponsor Trials
Kyowa Kirin Co., Ltd. 10
Kyowa Kirin, Inc. 6
Kyowa Kirin Pharmaceutical Development Ltd 5
Medialis Ltd. 1
Novo Nordisk A/S 1

Which drugs are being tested for Familial Hypophosphatemic Rickets? (3)

Shown in this order: most trials first. One row per drug, matched to a single molecule under all its names, ranked by number of trials.

Drugs tested
Drug Trials
Burosumab 19
Calcitriol 2
Cinacalcet 2

Interventions as named in the registry (11)

Shown in this order: most trials first.

Interventions as named in the registry
Drug Trials
Burosumab Injection [Crysvita] 1
Oral Magnesium Supplement 1
No treatment given 1
Active vitamin D 1
norditropine simplex 1

These are the names sponsors entered on ClinicalTrials.gov that we have not matched to a single molecule. Some are drugs under a brand or code name; others are procedures, doses or arm labels.

Which serious adverse events do Familial Hypophosphatemic Rickets trials report? (10)

Shown in this order: most subjects affected first. Subjects affected summed across trials, a cross-trial signal, not a rate.

Serious adverse events in this condition's trials
Adverse event Subjects affected Trials
Arthralgia 4 1
Craniosynostosis 4 1
Migraine 4 2
Myelopathy 4 1
Cervical Spinal Stenosis 3 2

Which publications cover Familial Hypophosphatemic Rickets? (45)

Shown in this order: major-topic papers first, then newest, then most linked to trials.

Not on this page

Not measured: delivery record.

Checked, with nothing recorded for this condition: prevalence, rare-disease identity, and sub-conditions in mesh.

Browse all condition evidence pages