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Efficacy of pHA130 Hemoadsorption on Protein-Bound Uremic Toxins and Quality of Life in Kidney Failure (PHOENIX)

14. Juni 2026 aktualisiert von: Wenge Li, MD, PhD, China-Japan Friendship Hospital

A Prospective, Multicenter, Randomized Controlled Trial of HAHD With pHA130 Cartridge vs. Conventional High-Flux HD for Clearance of Protein-Bound Uremic Toxins and Quality of Life Improvement in Kidney Failure.

Patients on maintenance hemodialysis (MHD) face a high risk of cardiovascular mortality and reduced quality of life. Conventional high-flux hemodialysis (HD) is the standard of care but has limited efficacy in clearing middle-molecular and protein-bound uremic toxins (PBUTs). The accumulation of these toxins is associated with adverse long-term outcomes.

This study evaluates the efficacy and safety of the pHA130 hemoadsorption cartridge, which utilizes a modified resin for enhanced PBUT adsorption, when combined with hemodialysis (HAHD). This is a prospective, open-label, multi-center, randomized controlled trial involving 100 MHD patients. Participants will be randomized 1:1 to either the HAHD group (receiving one HAHD session using the pHA130 cartridge and two standard HD sessions weekly) or the Control group (receiving three standard HD sessions weekly).

The primary objective is to assess the reduction in serum indoxyl sulfate (IS) and p-cresol sulfate (PCS) levels from baseline to 12 months. Secondary objectives include evaluating changes in quality of life (KDQoL-SF, MMSE), the progression of coronary artery calcification (CAC), the incidence of major adverse cardiovascular events (MACEs), all-cause mortality, and safety profiles. This trial aims to determine if integrating long-term HAHD therapy can optimize blood purification strategies for the MHD population.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

Patients with chronic kidney disease (CKD), particularly those on maintenance hemodialysis (MHD), face a high burden of cardiovascular disease and significantly impaired health-related quality of life. Traditional hemodialysis (HD) and hemodiafiltration (HDF) are effective at clearing small water-soluble molecules, but their efficacy in removing protein-bound uremic toxins (PBUTs)-such as indoxyl sulfate (IS) and p-cresyl sulfate (PCS)-is notably limited. The accumulation of PBUTs is strongly associated with vascular calcification, increased cardiovascular mortality, and severe symptoms like uremic pruritus.

Hemoadsorption combined with hemodialysis (HAHD) has emerged as a promising strategy to address this gap. The novel pHA130 hemoadsorption cartridge features a modified resin with micro-controlled positive charges, enhancing its targeted adsorption capacity for PBUTs through electrostatic, hydrophobic, and molecular sieving mechanisms. In vitro studies have shown IS and PCS clearance rates exceeding 90%.

The PHOENIX trial is a prospective, open-label, multicenter, randomized controlled trial designed to evaluate the long-term clinical efficacy and safety of the pHA130 cartridge in MHD patients. Following a 4-week run-in period, eligible participants will be randomized 1:1 into two arms:

Experimental Group (HAHD): Receives high-flux HD twice a week and HAHD once a week. During HAHD, the pHA130 cartridge is placed in series before the high-flux dialyzer.

Control Group (HD): Receives conventional high-flux HD three times a week.

The primary endpoint is the percentage reduction in serum IS and PCS concentrations from baseline to 12 months. Secondary endpoints include changes in health-related quality of life (assessed by KDQoL-SF) and cognitive function (assessed by MMSE), progression of coronary artery calcification (CAC) measured by Agatston score, incidence of major adverse cardiovascular events (MACEs), all-cause mortality, and safety metrics. The results of this study aim to provide robust evidence for optimizing blood purification strategies and improving long-term outcomes for patients with end-stage renal disease.

Studientyp

Interventionell

Einschreibung (Geschätzt)

100

Phase

  • Unzutreffend

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studieren Sie die Kontaktsicherung

  • Name: Shimin Jiang, PhD

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • Age > 18 years.
  • On maintenance hemodialysis for > 3 months.
  • Receiving hemodialysis 3 times per week, 4 hours per session.
  • Standard Kt/V ≥ 1.2.
  • Voluntarily participates and provides written informed consent.

Exclusion Criteria:

  • Known allergy to the dialyzer or hemoperfusion device.
  • Platelet count < 60×10⁹/L.
  • Serum albumin < 30 g/L.
  • 24-hour urine output > 200 ml.
  • Inability to achieve a blood flow rate ≥ 200 ml/min.
  • Coagulation disorders, severe bleeding tendency, or active bleeding.
  • Pre-dialysis systolic blood pressure < 90 mmHg or diastolic blood pressure < 60 mmHg.
  • Active malignancy.
  • Active infection, or severe, critical illness of cardiac, pulmonary, hepatic, or nervous systems.
  • Planned living-donor kidney transplant within the next 6 months.
  • Current participation in another interventional clinical study, or participation within the past 3 months in an interventional study that may interfere with the present study (e.g., fecal microbiota transplantation); or use of intestinal microecological regulators such as probiotics.
  • History of unstable angina, myocardial infarction, malignant arrhythmia, cardiac or peripheral vascular surgery, or cerebrovascular accident within the past 8 weeks.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: HAHD Group
Participants assigned to this group will receive a combination of hemodialysis (HD) and hemoadsorption (HA) therapy.
Gerät: pHA130 Hemoadsorption Cartridge
Following a 4-week run-in period,patients receive High-flux hemodialysis (HD) twice a week and combined HAHD once a week. During the HAHD session, the pHA130 hemoadsorption cartridge is placed in series with a high-flux dialyzer. Each treatment session lasts for 4 hours.
Aktiver Komparator: HD Group
Participants assigned to this group will receive standard maintenance hemodialysis therapy.
Gerät: High-flux Hemodialyzer
Patients receive conventional high-flux hemodialysis (HD) three times a week. Each treatment session lasts for 4 hours.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Reduction Ratio from baseline in Serum Indoxyl Sulfate (IS) and p-Cresol Sulfate (PCS) Concentration
Zeitfenster: Baseline, 3, 6, 9, 12 Months
Percentage reduction in serum IS and PCS concentration from baseline after 12 months of treatment, measured by High-Performance Liquid Chromatography (HPLC).
Baseline, 3, 6, 9, 12 Months

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Change from baseline in Health-Related Quality of Life (HRQoL)
Zeitfenster: Baseline, 3, 6, 9, 12 Months
Health-Related Quality of Life (HRQoL) is assessed using the Kidney Disease Quality of Life Short Form (KDQOL-SF). The KDQOL-SF scores range from a minimum of 0 to a maximum of 100. A higher score indicates a better health-related quality of life.
Baseline, 3, 6, 9, 12 Months
Change from baseline in Cognitive Function
Zeitfenster: Baseline, 3, 6, 9, 12 Months
Cognitive function is assessed using the Mini-Mental State Examination (MMSE). The MMSE total score ranges from a minimum of 0 to a maximum of 30. A lower score indicates more severe cognitive impairment (i.e., a higher score reflects better cognitive function).
Baseline, 3, 6, 9, 12 Months
Progression of Coronary Artery Calcification (CAC)
Zeitfenster: Baseline, 6, 12 Months
Coronary Artery Calcification (CAC) progression is assessed by measuring the change in the Agatston score using Computed Tomography (CT) scans. The Agatston score has a minimum value of 0, with no defined maximum upper limit. A higher score indicates a greater burden of coronary artery calcification and a higher cardiovascular risk.
Baseline, 6, 12 Months
All-Cause Mortality
Zeitfenster: Up to 12 Months
Number of deaths from any cause during the study period.
Up to 12 Months
Incidence of Major Adverse Cardiovascular Events (MACEs)
Zeitfenster: Up to 12 Months
MACEs are defined as a composite of non-fatal myocardial infarction, non-fatal stroke, and cardiovascular death.
Up to 12 Months
Incidence of Adverse Events
Zeitfenster: Baseline, 3, 6, 9, 12 Months
Safety will be evaluated by monitoring and recording the incidence, severity, and relationship to the intervention of any adverse events (AEs) or serious adverse events (SAEs) throughout the study period.
Baseline, 3, 6, 9, 12 Months

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

China-Japan Friendship Hospital

Mitarbeiter

Zhuhai Hospital of Integrated Traditional Chinese and Western Medicine

Ermittler

  • Hauptermittler: Wenge Li, MD, China-Japan Friendship Hospital

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. Juni 2026

Primärer Abschluss (Geschätzt)

1. April 2028

Studienabschluss (Geschätzt)

1. August 2028

Studienanmeldedaten

Zuerst eingereicht

9. Mai 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

14. Juni 2026

Zuerst gepostet (Tatsächlich)

18. Juni 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

18. Juni 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

14. Juni 2026

Zuletzt verifiziert

1. Mai 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • 2025-KY-177-1

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

NEIN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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