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Coated Aldehyde Oxystarch for Protein-Bound Uremic Toxin Reduction in End-Stage Renal Disease

12. juni 2026 oppdatert av: Liangying Gan, MD, Peking University People's Hospital

An Exploratory, Single-Center, Self-Controlled Trial of Coated Aldehyde Oxystarch for Reducing Protein-Bound Uremic Toxins in Patients With End-Stage Renal Disease

The goal of this clinical trial is to learn if Coated Aldehyde Oxystarch (Xiqing) works to reduce protein-bound uremic toxins (PBUTs) in adults with end-stage renal disease (ESRD). It will also learn about the safety of Coated Aldehyde Oxystarch. The main questions it aims to answer are:

Does Coated Aldehyde Oxystarch lower the blood levels of protein-bound uremic toxins, such as indoxyl sulfate and p-cresyl sulfate?

What medical problems do participants have when taking Coated Aldehyde Oxystarch?

Researchers will compare the levels of PBUTs before treatment (baseline) with those after treatment with Coated Aldehyde Oxystarch to see if it works to reduce these toxins.

Participants will:

Take Coated Aldehyde Oxystarch (Xiqing) 10 capsules per time, three times daily (each capsule 0.625 g, total daily dose 18.75 g) for 3 months.

Visit the clinic every month for checkups and blood tests.

Provide blood samples to measure protein-bound uremic toxin levels and routine safety parameters.

Studieoversikt

Status

Rekruttering

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

Patients with end-stage renal disease (ESRD) have high morbidity and mortality. Current dialysis poorly clears protein-bound uremic toxins (PBUTs) such as indoxyl sulfate (IS), which is associated with adverse outcomes. Coated Aldehyde Oxystarch is an oral adsorbent that binds IS in vitro, but its in vivo effect is unknown. This study aims to rigorously explore the effect of Coated Aldehyde Oxystarch on reducing serum IS and other PBUTs in maintenance hemodialysis patients. This is the first in vivo study to evaluate the effect of Coated Aldehyde Oxystarch on reducing protein-bound uremic toxins (particularly indoxyl sulfate) in patients with end-stage renal disease, offering a novel intestinal-targeted strategy to mitigate toxin accumulation in dialysis patients.

Studietype

Intervensjonell

Registrering (Antatt)

30

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

  • Kina
      • Beijing, Kina
        • Rekruttering
        • Peking University People's Hospital
        • Ta kontakt med:

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Age ≥ 18 years, no restriction on sex or ethnicity.
  • Receiving maintenance dialysis for at least 3 months, with dialysis regimen remaining unchanged during the trial period.
  • If taking other medications that do not interfere with gut microbiota prior to enrollment, they must have been stable for at least 1 month and the regimen must remain unchanged during the trial.
  • Ability to understand and voluntarily sign the informed consent form.

Exclusion Criteria:

  • Known allergy to Coated Aldehyde Oxystarch.
  • History of or planned kidney transplantation within 6 months, or change in dialysis regimen.
  • Use of medications or supplements that may affect gut microbiota (e.g., antibiotics, probiotics, prebiotics, laxatives) within the past 3 months.
  • Diagnosis of serious gastrointestinal diseases, including gastrointestinal bleeding, colitis, inflammatory bowel disease, irritable bowel syndrome, history of intestinal obstruction, history of gastrectomy or duodenectomy.
  • History of cardiovascular or cerebrovascular events within 3 months prior to screening, including hospitalization for stroke, myocardial infarction, unstable angina, congestive heart failure; severe valvular stenosis, uncontrolled atrial fibrillation or arrhythmia; QTc interval >500 ms on repeated ECG.
  • Concurrent severe primary diseases of cardiovascular, cerebrovascular, hepatic, hematopoietic systems, or other known life-threatening diseases (e.g., malignancy, AIDS), or patients with mental or legal disabilities.
  • Investigator judges life expectancy ≤6 months.
  • Inability to maintain stable dietary habits during the study period.
  • Inability to maintain original dialysis regimen during the study period.
  • Use of Chinese patent medicines for kidney disease (e.g., Shenkang Injection, Haikun Shenxi Capsule, Shenshuaining, Tripterygium preparations, Niaoduqing Granules) within 1 month prior to enrollment.
  • Participation in another clinical trial within the past 1 month.
  • Intellectual disability, psychiatric disorders, or suspected/confirmed history of alcohol or drug abuse that may affect compliance.
  • Any other condition that, in the investigator's judgment, makes the patient unsuitable for participation in this study.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Intervensjonsmodell: Enkeltgruppeoppdrag
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Experimental: Coated Aldehyde Oxystarch (Xiqing)
Participants with end-stage renal disease (ESRD) will receive Coated Aldehyde Oxystarch (Xiqing) orally at a dose of 10 capsules (0.625g/capsule) three times daily for 3 months.
Legemiddel: Coated Aldehyde Oxystarch
Each capsule contains 0.625g of Coated Aldehyde Oxystarch. Participants will take 10 capsules per time, three times daily for 3 months.
Andre navn:
  • Xiqing

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Absolute Change From Baseline in Serum Indoxyl Sulfate (IS) Level at Month 3
Tidsramme: Baseline, Month 3
The absolute change in serum indoxyl sulfate (IS) level from baseline to Month 3 will be calculated as the serum IS level at Month 3 minus the serum IS level at baseline.
Baseline, Month 3
Percentage Change From Baseline in Serum Indoxyl Sulfate (IS) Level at Month 3
Tidsramme: Baseline, Month 3
The percentage change in serum indoxyl sulfate (IS) level from baseline to Month 3 will be calculated as: [(serum IS level at Month 3 - serum IS level at baseline) / serum IS level at baseline] × 100%.
Baseline, Month 3

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Change in Serum Indoxyl Sulfate (IS) Level Over Time
Tidsramme: Baseline, Month 1, Month 2, Month 3
Change from baseline in serum IS level at Month 1 and Month 2, in addition to Month 3. The trend of changes over different time points will be analyzed.
Baseline, Month 1, Month 2, Month 3
Changes in Serum Phosphorus Levels
Tidsramme: Baseline, Month 1, Month 2, Month 3
Change from baseline in serum phosphorus levels at Month 1, Month 2, and Month 3.
Baseline, Month 1, Month 2, Month 3
Changes in Serum Calcium Levels
Tidsramme: Baseline, Month 1, Month 2, Month 3
Change from baseline in serum calcium levels at Month 1, Month 2, and Month 3.
Baseline, Month 1, Month 2, Month 3
Changes in Serum Potassium Levels
Tidsramme: Baseline, Month 1, Month 2, Month 3
Change from baseline in serum potassium levels at Month 1, Month 2, and Month 3.
Baseline, Month 1, Month 2, Month 3
Change in High-Sensitivity C-Reactive Protein (hs-CRP) Level
Tidsramme: Baseline, Month 1, Month 2, Month 3
Change from baseline in serum hs-CRP level at Month 1, Month 2, and Month 3.
Baseline, Month 1, Month 2, Month 3
Change From Baseline in Worst Itch Numeric Rating Scale Score Over Time
Tidsramme: Baseline, Month 1, Month 2, Month 3
The change from baseline in pruritus severity associated with chronic kidney disease will be assessed using the Worst Itch Numeric Rating Scale at Month 1, Month 2, and Month 3. The Worst Itch Numeric Rating Scale ranges from 0 to 10, where 0 indicates no itch and 10 indicates the worst imaginable itch. Higher scores indicate more severe pruritus.
Baseline, Month 1, Month 2, Month 3

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

Peking University People's Hospital

Etterforskere

  • Hovedetterforsker: Liangying Gan, MD, Renal Division, Department of Medicine, Peking University People's Hospital

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

21. april 2025

Primær fullføring (Antatt)

1. juli 2026

Studiet fullført (Antatt)

1. august 2026

Datoer for studieregistrering

Først innsendt

23. mai 2026

Først innsendt som oppfylte QC-kriteriene

12. juni 2026

Først lagt ut (Faktiske)

17. juni 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

17. juni 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

12. juni 2026

Sist bekreftet

1. juni 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • 2025PHB032-001

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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