Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Hyperphosphatemia: later-stage trial registry
2 of 9 indexed Hyperphosphatemia trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #1,916 of 28,707 conditions by registered trial count.
9 US clinical trials · 2 currently recruiting · #1,916 of 28,707 conditions by registered trial count
Hyperphosphatemia: 9 US clinical trials tracked, 2 recruiting.
Hyperphosphatemia is the subject of 9 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 6 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Fresenius Medical Care North America, running 2 of these trials.
Enrollment posture brief
Registry condition hyperphosphatemia
OPEN 2 | RECR 22% | LATE 6 | EARLY 1 | RANK #1916 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Acne (22% recruiting · 27 trials)
Hyperphosphatemia lists 2 open slots (22% of 9 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Hyperphosphatemia on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Hyperphosphatemia is recruiting below its size-band peers.
2 of 9 indexed trials (22.2%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
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One sponsor concentrates Hyperphosphatemia research.
Fresenius Medical Care North America accounts for 2 of 9 trials (22.2%). 7 distinct sponsors appear on at least one study for this condition label.
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Typical Hyperphosphatemia enrolment sits around 236 participants.
Median target enrolment is 236 among the 9 trials that report a genuine target (sentinel values excluded). 1 of those (11.1%) plan for fewer than 100 participants.
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Hyperphosphatemia research is mostly interventional.
8 interventional and 1 observational studies make up this index (88.9% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
9 total, page 1 of 1
Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)
Duke University
NCT04278404
A Study of a Novel Iron-based Phosphate Binder AP301 in Patients With Hyperphosphatemia in the U.S. and China
Alebund Pharmaceuticals
NCT06933472
A 58-Week Safety and Efficacy Trial of Ferric Citrate in Patients With ESRD on Dialysis
Keryx Biopharmaceuticals
NCT01191255
Ferric Citrate for the Prevention of Renal Failure in Adults With Advanced Chronic Kidney Disease
USRC Kidney Research
NCT05085275
Study to Evaluate the Efficacy of Tenapanor as Adjunctive Therapy to Phosphate Binder Therapy
Ardelyx
NCT03824587
Ferric Citrate for the Transition From CKD Stage 4/5 to CKD Stage 5D
Denver Nephrologists, P.C.
NCT02492620
Phosphate Kinetic Modeling
Fresenius Medical Care North America
NCT01003223
A Long-Term Study of Tenapanor Alone or in Combination With Sevelamer in Patients With CKD on Dialysis and HP
Ardelyx
NCT03988920
Phosphate Kinetic Modeling 2
Fresenius Medical Care North America
NCT01252771
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
| Phase 3 | 4 |
| Phase 4 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Hyperphosphatemia records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Hyperphosphatemia trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Hyperphosphatemia page
9 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Hyperphosphatemia trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Fresenius Medical Care North America sponsors the most Hyperphosphatemia trials on record, review their full trial history before evaluating a specific study. See Fresenius Medical Care North America's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Hyperphosphatemia condition card totals 9 registered trials; most-linked intervention Tenapanor; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.