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

2026년 6월 14일 업데이트: 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.

연구 개요

상태

아직 모집하지 않음

정황

개입 / 치료

상세 설명

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.

연구 유형

중재적

등록 (추정된)

100

단계

  • 해당 없음

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

연구 연락처 백업

  • 이름: Shimin Jiang, PhD

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

  • 성인
  • 고령자

건강한 자원 봉사자를 받아들입니다

아니

설명

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.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 무작위
  • 중재 모델: 병렬 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: HAHD Group
Participants assigned to this group will receive a combination of hemodialysis (HD) and hemoadsorption (HA) therapy.
장치: 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.
활성 비교기: HD Group
Participants assigned to this group will receive standard maintenance hemodialysis therapy.
장치: High-flux Hemodialyzer
Patients receive conventional high-flux hemodialysis (HD) three times a week. Each treatment session lasts for 4 hours.

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Reduction Ratio from baseline in Serum Indoxyl Sulfate (IS) and p-Cresol Sulfate (PCS) Concentration
기간: 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

2차 결과 측정

결과 측정
측정값 설명
기간
Change from baseline in Health-Related Quality of Life (HRQoL)
기간: 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
기간: 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)
기간: 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
기간: 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)
기간: 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
기간: 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

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

China-Japan Friendship Hospital

협력자

Zhuhai Hospital of Integrated Traditional Chinese and Western Medicine

수사관

  • 수석 연구원: Wenge Li, MD, China-Japan Friendship Hospital

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (추정된)

2026년 6월 1일

기본 완료 (추정된)

2028년 4월 1일

연구 완료 (추정된)

2028년 8월 1일

연구 등록 날짜

최초 제출

2026년 5월 9일

QC 기준을 충족하는 최초 제출

2026년 6월 14일

처음 게시됨 (실제)

2026년 6월 18일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 6월 18일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 6월 14일

마지막으로 확인됨

2026년 5월 1일

추가 정보

이 연구와 관련된 용어

키워드

추가 관련 MeSH 약관

기타 연구 ID 번호

  • 2025-KY-177-1

개별 참가자 데이터(IPD) 계획

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아니요

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

아니

미국 FDA 규제 기기 제품 연구

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .

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