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

14 giugno 2026 aggiornato da: 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.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Descrizione dettagliata

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.

Tipo di studio

Interventistico

Iscrizione (Stimato)

100

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

Backup dei contatti dello studio

  • Nome: Shimin Jiang, PhD

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Descrizione

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.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: HAHD Group
Participants assigned to this group will receive a combination of hemodialysis (HD) and hemoadsorption (HA) therapy.
Dispositivo: 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.
Comparatore attivo: HD Group
Participants assigned to this group will receive standard maintenance hemodialysis therapy.
Dispositivo: High-flux Hemodialyzer
Patients receive conventional high-flux hemodialysis (HD) three times a week. Each treatment session lasts for 4 hours.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Reduction Ratio from baseline in Serum Indoxyl Sulfate (IS) and p-Cresol Sulfate (PCS) Concentration
Lasso di tempo: 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

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change from baseline in Health-Related Quality of Life (HRQoL)
Lasso di tempo: 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
Lasso di tempo: 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)
Lasso di tempo: 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
Lasso di tempo: 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)
Lasso di tempo: 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
Lasso di tempo: 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

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

China-Japan Friendship Hospital

Collaboratori

Zhuhai Hospital of Integrated Traditional Chinese and Western Medicine

Investigatori

  • Investigatore principale: Wenge Li, MD, China-Japan Friendship Hospital

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

1 giugno 2026

Completamento primario (Stimato)

1 aprile 2028

Completamento dello studio (Stimato)

1 agosto 2028

Date di iscrizione allo studio

Primo inviato

9 maggio 2026

Primo inviato che soddisfa i criteri di controllo qualità

14 giugno 2026

Primo Inserito (Effettivo)

18 giugno 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

18 giugno 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

14 giugno 2026

Ultimo verificato

1 maggio 2026

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • 2025-KY-177-1

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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