- ICH GCP
- Registro degli studi clinici negli Stati Uniti
- Sperimentazione clinica NCT07755007
Effect of Pneumatic Tube System vs. Personnel Transport on Hemolysis Index in Emergency Department Blood Samples: A Randomized, Within-Patient Matched Trial (PTS-HEMO-ED)
Comparison of the Effect of Pneumatic Tube System and Personnel Transport on Hemolysis Index in Blood Samples From the Emergency Department: A Randomized, Within-Patient Matched, Single-Blind, Prospective Study
Panoramica dello studio
Stato
Intervento / Trattamento
Descrizione dettagliata
Detailed Description:
PNEUMATIC TUBE SYSTEM TECHNICAL SPECIFICATIONS:
The installed pneumatic tube system is a Sumetzberger Power Control system (Sumetzberger, Austria). The transit line length between the Emergency Department phlebotomy station and the central clinical laboratory is approximately 120 meters. System operating speed is set at 4-5 m/s. Transport capsules are cushioned with internal foam padding to minimize mechanical impact forces. Average transit duration ranges between 50 and 90 seconds.
BLINDING AND OPERATIONAL STANDARDIZATION (CONSORT 2025 Item 12b):
Blood collection is performed by trained emergency department phlebotomists using standard venipuncture technique. Two yellow-cap serum separator tubes (SST) are drawn sequentially during the same venipuncture procedure. Tubes are labeled with standardized participant study identifiers and tube sequence numbers (Tube #1 and Tube #2) without indicating transport allocation. Laboratory technicians operating the automated analyzer and assessing the Hemolysis Index remain fully blinded to transport allocation.
PATIENT AND PUBLIC INVOLVEMENT (PPI) STATEMENT (CONSORT 2025 Item 8):
Patients or members of the public were not involved in the design, conduct, reporting, or dissemination plans of this research. PPI was deemed non-applicable given the technical, pre-analytical nature of this laboratory quality evaluation study.
DATA SHARING STATEMENT (CONSORT 2025 Item 4):
De-identified individual participant data collected during the trial will be made available upon reasonable request to the corresponding investigator following publication.
Tipo di studio
Iscrizione (Stimato)
Fase
- Non applicabile
Contatti e Sedi
Contatto studio
- Nome: Emir Ünal, Assistant Professor
- Numero di telefono: +905327766010
- Email: emirunal@gmail.com
Backup dei contatti dello studio
- Nome: Emir Unal, Assistant Professor
- Email: emirunal@gmail.com
Luoghi di studio
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Pendik
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Istanbul, Pendik, Turchia (Türkiye), 34899
- Marmara University Pendik Training and Research Hospital
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Contatto:
- Emir ünal
- Numero di telefono: 05327766010
- Email: emirunal@gmail.com
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-
Criteri di partecipazione
Criteri di ammissibilità
Età idonea allo studio
- Adulto
- Adulto più anziano
Accetta volontari sani
Descrizione
Inclusion Criteria:
- Adults aged 18 years or older
- Presenting to the emergency department of Marmara University Pendik Training and Research Hospital
- Venous blood draw required for routine clinical care needing two or more yellow-cap (serum separator) tubes
- Written informed consent provided by the participant
Exclusion Criteria:
- Known underlying hemolytic disorder (e.g., hemolytic anemia, sickle cell disease, G6PD deficiency, autoimmune hemolytic anemia, or TTP/HUS)
- Macroscopic hemolysis visible in the sample tube immediately after phlebotomy
- Age younger than 18 years
Piano di studio
Come è strutturato lo studio?
Dettagli di progettazione
- Scopo principale: Trattamento
- Assegnazione: Randomizzato
- Modello interventistico: Assegnazione incrociata
- Mascheramento: Separare
Armi e interventi
Gruppo di partecipanti / Arm |
Intervento / Trattamento |
|---|---|
|
Sperimentale: PTS-First Sequence
Participants from whom two yellow-cap serum separator blood tubes are drawn simultaneously.
Tube #1 (first drawn) is transported via the pneumatic tube system (PTS), and Tube #2 (second drawn) is transported by manual personnel.
Both tubes are dispatched simultaneously.
|
Blood sample transport using the Sumetzberger Power Control pneumatic tube system (Sumetzberger, Austria).
The system operates at a speed of 4-5 m/s over a distance of approximately 120 meters using cushioned capsules.
Transport duration ranges between 50 and 90 seconds.
Blood sample transport performed manually by emergency department staff carrying the tube on foot from the phlebotomy area to the central clinical laboratory.
Transport is dispatched simultaneously with the paired pneumatic tube sample.
|
|
Comparatore attivo: Personnel-First Sequence
Participants from whom two yellow-cap serum separator blood tubes are drawn simultaneously.
Tube #1 (first drawn) is transported by manual personnel, and Tube #2 (second drawn) is transported via the pneumatic tube system (PTS).
Both tubes are dispatched simultaneously.
|
Blood sample transport using the Sumetzberger Power Control pneumatic tube system (Sumetzberger, Austria).
The system operates at a speed of 4-5 m/s over a distance of approximately 120 meters using cushioned capsules.
Transport duration ranges between 50 and 90 seconds.
Blood sample transport performed manually by emergency department staff carrying the tube on foot from the phlebotomy area to the central clinical laboratory.
Transport is dispatched simultaneously with the paired pneumatic tube sample.
|
Cosa sta misurando lo studio?
Misure di risultato primarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Hemolysis Index (HI) Category in PTS-Transported vs. Personnel-Transported Tubes
Lasso di tempo: At laboratory analysis (within 30 minutes of blood draw)
|
Ordinal 6-category HI scale (0=<50, 1=50-99, 2=100-199, 3=200-299, 4=300-500, 5=>500 mg/dL free hemoglobin) as reported by the automated analyser.
Higher category indicates more hemolysis.
Compared between PTS and personnel tube from the same patient (paired).
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At laboratory analysis (within 30 minutes of blood draw)
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Misure di risultato secondarie
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Rate of Clinically Significant Hemolysis (HI ≥ 1) in PTS-Transported vs. Personnel-Transported Tubes
Lasso di tempo: At laboratory analysis (within 30 minutes of blood draw)
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Proportion of tubes with HI category ≥ 1 (free haemoglobin ≥ 50 mg/dL), the threshold at which samples are typically flagged for rejection by the laboratory.
Dichotomous outcome (0 vs ≥1) compared between matched tube pairs.
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At laboratory analysis (within 30 minutes of blood draw)
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Altre misure di risultato
Misura del risultato |
Misura Descrizione |
Lasso di tempo |
|---|---|---|
|
Spearman Correlation Between Tube Transport Time and HI Category
Lasso di tempo: At laboratory analysis (within 30 minutes of blood draw)
|
Spearman rank correlation coefficient (ρ) between recorded PTS transport time (seconds, 50-90 s range) and the HI category of the PTS tube.
Exploratory analysis.
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At laboratory analysis (within 30 minutes of blood draw)
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Collaboratori e investigatori
Investigatori
- Investigatore principale: Emir Ünal, Marmara University
Pubblicazioni e link utili
Studiare le date dei record
Studia le date principali
Inizio studio (Stimato)
Completamento primario (Stimato)
Completamento dello studio (Stimato)
Date di iscrizione allo studio
Primo inviato
Primo inviato che soddisfa i criteri di controllo qualità
Primo Inserito (Effettivo)
Aggiornamenti dei record di studio
Ultimo aggiornamento pubblicato (Effettivo)
Ultimo aggiornamento inviato che soddisfa i criteri QC
Ultimo verificato
Maggiori informazioni
Termini relativi a questo studio
Parole chiave
Termini MeSH pertinenti aggiuntivi
Altri numeri di identificazione dello studio
- MU-KAEK-2026-09.2029.26-0645
Piano per i dati dei singoli partecipanti (IPD)
Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?
Descrizione del piano IPD
Periodo di condivisione IPD
Criteri di accesso alla condivisione IPD
Tipo di informazioni di supporto alla condivisione IPD
- STUDIO_PROTOCOLLO
- LINFA
Informazioni su farmaci e dispositivi, documenti di studio
Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti
Studia un dispositivo regolamentato dalla FDA degli Stati Uniti
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