- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT02490059
Ultrathin Bronchoscopy for Solitary Pulmonary Nodules (Babyscope)
1. juli 2015 opdateret af: Daniel Franzen, University of Zurich
Ultrathin Bronchoscopy for Solitary Pulmonary Nodules: A Randomised Pilot Trial
The evaluation of solitary pulmonary nodules (SPN) requires a balance between procedure-related morbidity and diagnostic yield, particularly in areas where tuberculosis is endemic.
Data on ultrathin bronchoscopy (UB) for this purpose is limited.
In this prospective randomised trial we compared diagnostic yield and adverse events of UB with standard-size bronchoscopy (SB) in a cohort of patients with SPN located beyond the visible range of SB.
Studieoversigt
Detaljeret beskrivelse
The present prospective single-centre randomised pilot study was performed at Tygerberg Academic Hospital, a tertiary university hospital in Cape Town, South Africa, with a referral drainage area of 1.5 million people and tuberculosis notification rate of up to 1'000/100'000 persons per year when the study was performed.
Between November 2000 and November 2003 all patients referred to the lung unit with single pulmonary lesion ≤ 6 cm in diameter on chest computed tomography (CT) were included.
SPN was defined as a single and circumscribed pulmonary lesion with a diameter ≤ 6.0 cm, surrounded by aerated lung tissue, and without evidence of atelectasis, pneumonitis, or cavity on CT scan.
Location and maximal diameter of all SPNs were recorded from the chest CT prior to enrolment of patients.
Inclusion criteria were a previous cytological and microbiological negative sputum examination, absence of enlarged mediastinal or hilar lymph nodes on chest CT scan, and informed consent obtained before start of the procedure.
Exclusion criteria were SPN with lesion size unchanged over two years, inability to undergo bronchoscopy or thoracotomy, and pregnancy.
Participants with consent for participation in the study in whom the lesion was found to be visible on SB were then not randomised and not considered part of the study population.
Written informed consent was obtained from all patients before inclusion in the study.
Undersøgelsestype
Interventionel
Tilmelding (Faktiske)
40
Fase
- Fase 4
Kontakter og lokationer
Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.
Studiesteder
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Zurich, Schweiz, 8091
- University Hospital Zurich
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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
Beskrivelse
Inclusion Criteria:
- Pulmonary nodule on a recent CT
- non-visible on standard-size bronchoscopy
Exclusion Criteria:
- missing informed consent
Studieplan
Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Diagnostisk
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
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Aktiv komparator: Standard size bronchoscopy
ll procedures were started using SB with an external diameter of 5.0-6.0 mm with a biopsy channel of 2.2-2.8
mm (models Olympus BF-30 and BF-1T160, Olympus, Tokyo, Japan).
If during SB the lesion was endoscopically visible the bronchoscopy was continued as standard diagnostic procedure and the patients were excluded from the analysis.
Only if no tumour was visible during complete inspection of the bronchial tree using the SB, a participant was randomised by opening a numbered sealed opaque envelope.
Randomisation was performed using sequentially numbered (1-40) sealed opaque envelopes (block randomisation: block size 4).
For subjects allocated to the SB group, the examination was immediately continued with the same SB bronchoscope.
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Bronchoscopy for diagnosis of pulmonary nodules
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Eksperimentel: Ultrahin bronchoscopy
For subjects randomised to UB, the instrument was changed immediately to an Olympus BF-XP 40 ultrathin bronchoscope with an outer diameter of 2.8 mm and a working channel 1.2 mm during the same bronchoscopy session.
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Bronchoscopy for diagnosis of pulmonary nodules
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Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Sensitivity
Tidsramme: 2 years
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Sensitivity of the diagnosis of malignancy.
Biopsy specimens obtained by bronchoscopy were compared with the diagnosis made by surgical resection or CT-guided trans-thoracic needle aspiration if applicable.
Efforts were made to obtain confirmatory histological diagnosis for all patients.
Alternatively, when invasive diagnosis was not feasible or appropriate (as assessed by a multidisciplinary tumour board) radiological follow-up examinations were performed over two years.
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2 years
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Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
Diagnostic yield
Tidsramme: 2 years
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Diagnostic yield of UB compared to SB. Biopsy specimens obtained by bronchoscopy were compared with the diagnosis made by surgical resection or CT-guided trans-thoracic needle aspiration if applicable.
Efforts were made to obtain confirmatory histological diagnosis for all patients.
Alternatively, when invasive diagnosis was not feasible or appropriate (as assessed by a multidisciplinary tumour board) radiological follow-up examinations were performed over two years.
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2 years
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Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Sponsor
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Daniel Franzen, MD, University of Zurich
Publikationer og nyttige links
Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.
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
1. november 2000
Primær færdiggørelse (Faktiske)
1. november 2003
Studieafslutning (Faktiske)
1. maj 2015
Datoer for studieregistrering
Først indsendt
25. juni 2015
Først indsendt, der opfyldte QC-kriterier
1. juli 2015
Først opslået (Skøn)
3. juli 2015
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
3. juli 2015
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
1. juli 2015
Sidst verificeret
1. juli 2015
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 2000-C094
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .
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