Diese Seite wurde automatisch übersetzt und die Genauigkeit der Übersetzung wird nicht garantiert. Bitte wende dich an die englische Version für einen Quelltext.

Comparing Intraoperative Indocyanine Green Fluorescence Imaging With Standard Clinical Assessment for Flap Perfusion in Head and Neck Reconstruction (VISION Trial) (VISION)

8. Juni 2026 aktualisiert von: Region Skane

Comparing Intraoperative Indocyanine Green Fluorescence Imaging With Standard Clinical Assessment for Flap Perfusion in Head and Neck Reconstruction: A Randomised Controlled Trial (VISION Trial)

This is a prospective multicentre randomised controlled trial evaluating whether intraoperative indocyanine green (ICG) fluorescence angiography improves outcomes in head and neck free flap reconstruction compared with standard clinical assessment of flap perfusion. Adult patients undergoing microvascular free flap reconstruction for oncologic, trauma, or benign head and neck defects will be randomised to either intraoperative ICG angiography or conventional clinical perfusion assessment. The primary outcome is partial flap loss requiring intervention within 30 days after surgery. Secondary outcomes include total flap loss, flap-related re-exploration, flap salvage, and postoperative complications.

Studienübersicht

Status

Noch keine Rekrutierung

Bedingungen

Intervention / Behandlung

Detaillierte Beschreibung

The VISION Trial is a prospective, multicentre, open-label, parallel-group randomised controlled trial comparing intraoperative indocyanine green (ICG) fluorescence angiography with standard clinical assessment for flap perfusion in head and neck free flap reconstruction.

Free flap reconstruction is an essential component of complex head and neck reconstruction, but flap survival depends on adequate microvascular perfusion. Conventional intraoperative assessment methods, including inspection of flap colour, capillary refill, tissue turgor, bleeding upon needle prick, and Doppler examination, provide indirect assessment of perfusion and may be unreliable in some situations.

ICG fluorescence angiography enables real-time visualisation of arterial inflow and venous outflow using near-infrared fluorescence imaging. Retrospective studies have suggested that ICG angiography may reduce rates of partial flap loss and flap-related re-exploration, but high-quality prospective randomised evidence remains limited.

A total of 244 adult patients undergoing microvascular free flap reconstruction for oncologic, trauma, or benign head and neck defects at participating Swedish centres will be included. Participants will be randomised to either standard clinical assessment alone or standard clinical assessment supplemented with intraoperative ICG fluorescence angiography.

In the intervention group, ICG angiography will be performed intraoperatively using near-infrared fluorescence imaging systems after administration of intravenous indocyanine green (Verdye®). Quantitative perfusion analysis will also be performed using SPY-Q software.

The primary endpoint is partial flap loss requiring intervention within 30 days after surgery. Secondary endpoints include total flap loss, flap-related re-exploration under general anaesthesia, flap salvage, postoperative complications graded according to Clavien-Dindo classification, and the association between intraoperative SPY-Q perfusion values and flap outcomes.

No additional trial-specific postoperative visits are required. Outcomes will be assessed through structured chart review at 30 and 90 days postoperatively.

Studientyp

Interventionell

Einschreibung (Geschätzt)

244

Phase

  • Phase 4

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienkontakt

Studienorte

      • Malmö, Schweden
        • Dept. of Plastic and Reconstructive Surgery and Dept. of Health Sciences, Skåne University Hospital, Malmö, Sweden.
        • Kontakt:

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

  • Erwachsene
  • Älterer Erwachsener

Akzeptiert gesunde Freiwillige

Nein

Beschreibung

Inclusion Criteria:

  • Age ≥18 years at the time of inclusion
  • Scheduled to undergo microvascular free flap reconstruction as part of oncologic, trauma, or benign surgery in the head and neck area
  • Ability to understand study information and provide written informed consent

Exclusion Criteria:

  • Known allergy to indocyanine green or iodine
  • Severe hepatic or renal impairment
  • Confirmed or suspected pregnancy
  • Breastfeeding

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Keine (Offenes Etikett)

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Aktiver Komparator: Standard clinical assessment
Participants undergo intraoperative assessment of free flap perfusion using standard clinical assessment methods, including inspection of flap colour, capillary refill, tissue turgor, bleeding upon needle prick, and Doppler examination as clinically indicated. Surgical revision is performed according to standard clinical practice if inadequate perfusion is suspected.
Standard intraoperative clinical assessment of free flap perfusion including evaluation of flap colour, capillary refill, tissue turgor, bleeding upon needle prick, and Doppler examination as clinically indicated during head and neck free flap reconstruction.
Experimental: Indocyanine Green Fluorescence Angiography
Participants undergo intraoperative assessment of free flap perfusion using indocyanine green (ICG) fluorescence angiography in addition to standard clinical assessment. ICG is administered intravenously and perfusion is evaluated using near-infrared fluorescence imaging and SPY-Q quantitative perfusion analysis during head and neck free flap reconstruction.
Standard intraoperative clinical assessment of free flap perfusion including evaluation of flap colour, capillary refill, tissue turgor, bleeding upon needle prick, and Doppler examination as clinically indicated during head and neck free flap reconstruction.
Indocyanine green (ICG) is administered intravenously during surgery for intraoperative fluorescence angiography assessment of free flap perfusion in head and neck reconstruction. A 25 mg vial of ICG (Verdye®) is reconstituted with sterile water, and approximately 7.5 mg is administered intravenously followed by saline flush. Perfusion is assessed using near-infrared fluorescence imaging systems and SPY-Q quantitative perfusion analysis.
Andere Namen:
  • IKG
  • Grün

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Partial flap loss requiring intervention
Zeitfenster: From index surgery to 30 days postoperatively
Partial flap loss is defined as clinically evident flap necrosis requiring active therapeutic intervention, including operative debridement/revision in the operating room or bedside debridement/trimming performed by a surgeon beyond routine wound care.
From index surgery to 30 days postoperatively

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Total flap loss
Zeitfenster: From index surgery to 30 days postoperatively
Complete flap failure requiring flap removal, replacement, or abandonment with documentation of flap non-viability.
From index surgery to 30 days postoperatively
Flap-related re-exploration under general anaesthesia
Zeitfenster: From index surgery to 30 days postoperatively
Return to the operating room under general anaesthesia due to suspected or confirmed flap vascular compromise or flap viability concern, excluding planned second-look procedures without concern.
From index surgery to 30 days postoperatively
Flap salvage
Zeitfenster: From index surgery to 30 days postoperatively
Successful retention of the index flap following flap-related re-exploration for vascular compromise.
From index surgery to 30 days postoperatively
Postoperative complications
Zeitfenster: From index surgery to 90 days postoperatively
Incidence of postoperative complications occurring 90 days after index operation. Predefined surgical complications will be captured systematically and include surgical takeback, partial flap loss, total flap loss, infection, hematoma or bleeding requiring intervention, fistula formation, wound dehiscence, seroma, abnormal wound healing, and other surgical complications. The severity of complications will be classified according to the Clavien-Dindo Classification of Surgical Complications (Grade I-V, where Grade I represents the least severe complication and Grade V represents death).
From index surgery to 90 days postoperatively
Correlation between intraoperative SPY-Q Relative Perfusion Value (%) and partial flap loss
Zeitfenster: From index surgery to 30 days postoperatively
Correlation between intraoperative tissue perfusion measured using SPY-Q quantitative analysis software following indocyanine green fluorescence angiography and postoperative partial flap loss within 30 days after surgery. SPY-Q Relative Perfusion Value is reported as a percentage ranging from 0% to 100%, where higher values indicate greater tissue perfusion. Partial flap loss is assessed clinically and recorded as a binary outcome (present or absent). The outcome measure is the correlation coefficient between SPY-Q Relative Perfusion Value and partial flap loss.
From index surgery to 30 days postoperatively

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Ermittler

  • Hauptermittler: Pooya Rajabaleyan, MD, PhD, Region Skåne, Skånes universitetssjukhus, Sektion Plastikkirurgi, Malmö, Sverige

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn (Geschätzt)

1. Oktober 2026

Primärer Abschluss (Geschätzt)

1. Januar 2029

Studienabschluss (Geschätzt)

1. August 2029

Studienanmeldedaten

Zuerst eingereicht

28. Mai 2026

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

8. Juni 2026

Zuerst gepostet (Tatsächlich)

9. Juni 2026

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Tatsächlich)

9. Juni 2026

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

8. Juni 2026

Zuletzt verifiziert

1. Mai 2026

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Andere Studien-ID-Nummern

  • 2025-524710-29-00 (Ctis)

Plan für individuelle Teilnehmerdaten (IPD)

Planen Sie, individuelle Teilnehmerdaten (IPD) zu teilen?

UNENTSCHIEDEN

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .