New hope for dialysis patients: drug AP301 targets dangerous phosphate levels
NCT ID NCT06933472
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This phase 3 trial tests whether AP301, a drug taken with meals, can safely lower high blood phosphate in people on kidney dialysis. About 264 participants will receive either AP301 or a low-dose version for 8 weeks, then all get AP301 for 24 weeks. The goal is to see if AP301 helps control phosphate levels and improves quality of life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- AP301 (a phosphate binder taken orally with meals)
- What this could lead to
- If it works, AP301 could offer a new option to control high blood phosphate in dialysis patients, potentially improving their health and quality of life.
- What could go wrong
- This is a phase 3 trial, but the comparator is a low dose of AP301, not a placebo, which may limit how well we can judge effectiveness. Also, results may not apply to all dialysis patients.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 264 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2025
- Expected to finish
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Jan 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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12 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Key Inclusion Criteria: * Provision of signed and dated ICF * Age ≥ 12 years when signing the ICF * Patients on dialysis for ≥ 3 months before signing the ICF and throughout the study * For HD patients, spKt/V ≥ 1.2; for PD patients, total Kt/V ≥ 1.7/week * Patients who receive phosphate-lowering drugs over 4 weeks and their serum phosphate level is: 1. Screening: 1.13 mmol/L (3.5 mg/dL) ≤ serum phosphate \< 2.58 mmol/L (8.0 mg/dL) 2. After washout: 1.94 mmol/L (6.0 mg/dL) ≤ serum phosphate \< 3.23 mmol/L (10.0 mg/dL) Key Exclusion Criteria: * History or plan of kidney transplantation * History or plan of parathyroid intervention 6 months before signing the ICF * Serum calcium \< 1.9 mmol/L (7.6 mg/dL) or \> 2.75 mmol/L (11 mg/dL) at screening * Serum intact parathyroid hormone \> 127 pmol/L (1200 pg/mL) at screening * Presence of clinically significant gastrointestinal (GI) disorder * History of gastrectomy or duodenectomy, or GI surgery within 3 months before signing the ICF * Known allergic to any ingredient of AP301, or known history of severe allergies leading to emergency medical care * Female who are breastfeeding
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Get notified about this study
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
42 sites in 2 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Beijing Tsinghua Chang Gung Hospital
RECRUITINGBeijing, Beijing Municipality, 102218, China
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Central South University-The Third Xiangya Hospital
RECRUITINGChangsha, Hunan, 410013, China
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Children's Hospital of Fudan University
NOT_YET_RECRUITINGShanghai, Shanghai Municipality, 200080, China
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Dallas Renal Group - Dallas
RECRUITINGDallas, Texas, 75237, United States
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Fudan University-Huashan Hospital
RECRUITINGShanghai, Shanghai Municipality, 200040, China
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Fudan University-Zhongshan Hospital
RECRUITINGShanghai, Shanghai Municipality, 200032, China
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Gamma Medical Research
RECRUITINGMcAllen, Texas, 78503, United States
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Henan Provincial People's Hospital
RECRUITINGZhengzhou, Henan, 450003, China
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High Desert Nephrology Association - US Renal Care
RECRUITINGGallup, New Mexico, 87301, United States
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Huazhong University of Science and Technology-Tongji Medical College - Wuhan Union Hospital
RECRUITINGWuhan, Hubei, 430022, China
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Jiangsu Province Hospital (The First Affiliated Hospital with Nanjing Medical University)
RECRUITINGNanjing, Jiangsu, 210029, China
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Jiangxi Provincial People's Hospital
RECRUITINGNanchang, Jiangxi, 330006, China
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NY Kidney & Hypertension Medicine
RECRUITINGRidgewood, New York, 11385, United States
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Nanjing Medical University-Wuxi People's Hospital (Wuxi No.1 People's Hospital)
RECRUITINGWuxi, Jiangsu, 214023, China
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Nantong University-Affiliated Hospital
RECRUITINGNantong, Jiangsu, 226001, China
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Nephrology & Hypertension Associates Ltd - Tupelo
RECRUITINGTupelo, Mississippi, 38801, United States
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Nephrology & Hypertension Specialists
RECRUITINGDalton, Georgia, 30720, United States
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Nephrology Associates, P.C. - Columbus
RECRUITINGColumbus, Mississippi, 38801, United States
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North America Research Institute - San Dimas
RECRUITINGSan Dimas, California, 91773, United States
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North America Research Institute - San Dimas
RECRUITINGSan Dimas, California, 91773, United States
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PACT Kidney Care - Orange
RECRUITINGOrange, Connecticut, 06477, United States
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Peking University First Hospital
RECRUITINGBeijing, Beijing Municipality, 100035, China
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Peking University International Hospital
RECRUITINGBeijing, Beijing Municipality, 102218, China
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Qingdao University-The Affiliated Hospital
RECRUITINGQingdao, Shandong, 266000, China
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Renal Associates Of Baton Rouge, LLC
RECRUITINGBaton Rouge, Louisiana, 70808, United States
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Renal Consultants Medical Group
RECRUITINGGranada Hills, California, 91344, United States
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Rocky Mountain Kidney Care - Lone Tree
RECRUITINGLone Tree, Colorado, 80124, United States
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Shanghai Jiao Tong University School of Medicine (SJTUSM)-Renji Hospital
RECRUITINGShanghai, Shanghai Municipality, 200000, China
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Shanghai Tongren Hospital
RECRUITINGShanghai, Shanghai Municipality, 200336, China
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Sichuan Provincial People's Hospital
RECRUITINGChengdu, Sichuan, 610072, China
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Southeast University-Zhongda Hospital
RECRUITINGNanjing, Jiangsu, 210009, China
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Subei People's Hospital
RECRUITINGYangzhou, Jiangsu, 225002, China
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The First Affiliated Hospital of Xiamen University
RECRUITINGXiamen, Fujian, 361003, China
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US Renal Care - Alexis
RECRUITINGToledo, Ohio, 43613, United States
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US Renal Care - Bluebonnet
RECRUITINGFort Worth, Texas, 76110, United States
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US Renal Care - Fort Myers South
RECRUITINGFort Myers, Florida, 33912, United States
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US Renal Care - Hill Country
RECRUITINGSan Antonio, Texas, 78251, United States
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US Renal Care - South San Antonio
RECRUITINGSan Antonio, Texas, 78211, United States
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US Renal Care - West Cheektowaga
RECRUITINGCheektowaga, New York, 14215, United States
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Wuhan University People's Hospital
RECRUITINGWuhan, Hubei, 430060, China
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Yantai Yuhuangding Hospital
RECRUITINGYantai, Shandong, 264099, China
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Zhengzhou University-First Affiliated Hospital
RECRUITINGZhengzhou, Henan, 450003, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a daily capsule tame dangerous phosphorus levels in dialysis patients?
- Can wearable glucose monitors reveal hidden risks in dialysis patients with diabetes?
- Can lowering phosphate save hearts in kidney failure?
- Extra vaccine dose: could it shield dialysis patients from hepatitis b?
- Which nerve block offers better pain control for dialysis access surgery?
- Can a single dose of zoledronic acid safely treat bone loss in dialysis patients?