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Sikkerhed og effektivitet af ballonpulmonal angioplastik i Kina

21. september 2026 opdateret af: Chinese Pulmonary Vascular Disease Research Group

Balloon pulmonary angioplasty (BPA) is a potential treatment for patients with pulmonary artery stenosis, including non-operable patients with chronic thromboembolic pulmonary hypertension (CTEPH), takayasu arteritis and fibrosis mediastinitis.

The aim of this study was to evaluate the safety and efficacy of BPA in CTEPH and patients not amenable to pulmonary endarterectomy(PEA) or suffered from persistent CTEPH after PEA, , takayasu arteritis and fibrosis mediastinitis.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This study is a prospective, multi-center, long-term observational project to study the safety and efficacy of BPA. Clinical evaluation, including: functional capacity, 6-minutes walking test, biomarkers, cardiopulmonary exercise test, electrocardiography, echocardiography, haemodynamics, pulmonary angiography and lung scintigraphy was performed before the initiation therapy of BPA, and 3-12 months after last session of BPA.

we also aim to evaluate the value of FAPI in predicting the efficacy and the prognosis of patients with CTEPH who received BPA.

Undersøgelsestype

Observationel

Tilmelding (Anslået)

1000

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

      • Beijing, Kina, 100037
        • Rekruttering
        • center of pulmonary vascular disease, Fuwai hospital
        • Kontakt:
        • Ledende efterforsker:
          • Zhihong Liu, MD,PhD
      • Beijing, Kina, 100037
        • Rekruttering
        • Chinese Academy of Medical Sciences Fuwai hospital
        • Kontakt:
        • Kontakt:

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Chronic thromboembolic pulmonary hypertension patients admitted in hospital.

Beskrivelse

Inclusion Criteria:

  1. diagnosed with CTEPH according to ESC Guidelines (1) Mean PAP ≥ 25mmHg at rest; or if mean PAP < 25mmHg at rest, have exercise limitations from chronic thromboembolic disease (2)Abnormal ventilation perfusion lung scanning (VQ) scan, pulmonary angiogram, computer tomographic pulmonary angiogram, or magnetic resonance pulmonary angiogram confirming chronic thromboembolic disease as recommended by standard guidelines
  2. Treatment with anticoagulation for ≥ 3 months before diagnosis of CTEPH
  3. Not amenable to pulmonary endarterectomy
  4. Willing to provide informed consent

Exclusion Criteria:

  1. Patients unwilling or unable to provide written consent for participation in the study.
  2. Impossible to follow up.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Observationsmodeller: COHORT
  • Tidsperspektiver: PROSPECTIVE

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Incidence of Treatment-Emergent Adverse Events of BPA procedure.
Tidsramme: From initiation of BPA to 3-12 months after last session

Surveillance of complications including: vessel injury, desaturation, cough, mild hemoptysis (<50ml), severe hemoptysis (>50ml), reperfusion pulmonary injury, death.

From initiation of BPA to 3-12 months after last session
Change of Pulmonary artery pressure in mmHg caused by series of BPA.
Tidsramme: From initiation of BPA to 3-12 months after last session

Pulmonary artery pressure in mmHg is obtained by right cardiac catheterization.

From initiation of BPA to 3-12 months after last session
Change of Pulmonary vascular resistance (PVR) in Wood U caused by series of BPA.
Tidsramme: From initiation of BPA to 3-12 months after last session

Pulmonary vascular resistance (PVR) in Wood U is obtained by right cardiac catheterization.

From initiation of BPA to 3-12 months after last session
Change of cardiac index (CI) in L/m^2 caused by series of BPA.
Tidsramme: From initiation of BPA to 3-12 months after last session

Cardiac index (CI) in L/m^2 is obtained by right cardiac catheterization.

From initiation of BPA to 3-12 months after last session
Change of World Health Organization (WHO) functional capacity classification caused by series of BPA.
Tidsramme: From initiation of BPA to 3-12 months after last session

World Health Organization is obtained from electronic medical records.

From initiation of BPA to 3-12 months after last session
Change of six minutes walk distance in meter caused by series of BPA.
Tidsramme: From initiation of BPA to 3-12 months after last session

World Health Organization is obtained from electronic medical records.

From initiation of BPA to 3-12 months after last session
Change of N-terminal B-type natriuretic peptide in pg/ml caused by series of BPA.
Tidsramme: From initiation of BPA to 3-12 months after last session

World Health Organization is obtained from electronic medical records.

From initiation of BPA to 3-12 months after last session
Change of Peak VO2/kg in ml/min/kg caused by series of BPA.
Tidsramme: From initiation of BPA to 3-12 months after last session

Peak VO2/kg in ml/min/kg is obtained by cardiopulmonary exercise test.

From initiation of BPA to 3-12 months after last session
Change of diffusing capacity for carbon monoxide caused by series of BPA.
Tidsramme: From initiation of BPA to 3-12 months after last session

diffusing capacity for carbon monoxide in % is obtained from pulmonary function test

From initiation of BPA to 3-12 months after last session
Change of fibroblast activation protein inhibitor expression after BPA
Tidsramme: From initiation of BPA to 3-12 months after last session

Change of fibroblast activation protein inhibitor expression after BPA

From initiation of BPA to 3-12 months after last session

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

11. maj 2018

Primær færdiggørelse (Anslået)

11. maj 2065

Studieafslutning (Anslået)

11. maj 2065

Datoer for studieregistrering

Først indsendt

26. oktober 2019

Først indsendt, der opfyldte QC-kriterier

18. december 2019

Først opslået (Faktiske)

20. december 2019

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

24. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

21. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • BPA registry

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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