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Postoperative Pulmonary Complications After Use of Supraglottic Airway Devices and Neuromuscular Blockade (SupAIR)

14. září 2026 aktualizováno: Manfred Blobner, University Hospital Ulm

SupAIR is an international, multicenter, randomized controlled trial investigating whether airway management and neuromuscular blockade during general anesthesia influence postoperative pulmonary complications.

Approximately 6,800 adults undergoing elective non-cardiac surgery will be randomized to one of five treatment arms: tracheal intubation with moderate neuromuscular blockade, tracheal intubation with deep neuromuscular blockade, supraglottic airway with moderate neuromuscular blockade, supraglottic airway with deep neuromuscular blockade, or supraglottic airway without neuromuscular blockade.

The primary outcome is the occurrence of postoperative pulmonary complications during the hospital stay. Secondary outcomes include perioperative complications, surgical conditions, recovery, and functional health. Participants will be followed during hospitalization and again approximately six months after surgery.

Přehled studie

Detailní popis

SupAIR is an international, multicenter, randomized, controlled, parallel-group clinical trial evaluating the effects of airway management and neuromuscular blockade (NMB) on postoperative pulmonary complications after general anesthesia.

A total of 6,800 adults undergoing elective non-cardiac surgery will be randomized to one of five treatment arms:

  1. Tracheal tube with moderate NMB
  2. Tracheal tube with deep NMB
  3. Supraglottic airway device with moderate NMB
  4. Supraglottic airway device with deep NMB
  5. Supraglottic airway device without NMB

The five treatment arms result from an initial allocation to tracheal tube with NMB, supraglottic airway device with NMB, or supraglottic airway device without NMB. Participants assigned to NMB are additionally randomized to moderate or deep neuromuscular blockade.

The study addresses two primary hypotheses. First, among participants receiving NMB, use of a supraglottic airway device is hypothesized to reduce postoperative pulmonary complications compared with tracheal intubation. Second, among participants managed with a supraglottic airway device, the use of NMB is hypothesized not to increase postoperative pulmonary complications compared with no NMB. Finally, among participants receiving NMB depth of neuromuscular blockade will be used as secondary exposure.

The randomized intervention determines airway management and the use and depth of neuromuscular blockade. Quantitative neuromuscular monitoring is used in participants receiving NMB, and recovery from neuromuscular blockade is managed according to applicable clinical guidelines. All other aspects of perioperative anesthetic management are performed according to local clinical practice.

The primary outcome is the occurrence of at least one postoperative pulmonary complication from postoperative day 1 until hospital discharge or postoperative day 28, whichever occurs first. The composite includes respiratory failure, suspected pulmonary infection, pulmonary infiltrates, atelectasis, aspiration pneumonitis, bronchospasm, and pulmonary oedema.

Postoperative outcomes are assessed by blinded study personnel during the hospital stay. Secondary outcomes include intraoperative and postoperative complications, respiratory events in the post-anesthesia care unit, surgical conditions, quality of recovery, functional health, length of stay, intensive care treatment, and mortality. Participants are additionally followed by telephone approximately six months after surgery.

An interim analysis is planned after approximately 1,000 participants to assess assumptions relevant to sample-size planning. Interim results will be reviewed by the independent Data and Safety Monitoring Board, and the total sample size may be adjusted in accordance with the prespecified analysis plan.

Typ studie

Intervenční

Zápis (Odhadovaný)

6800

Fáze

  • Nelze použít

Kontakty a umístění

Tato část poskytuje kontaktní údaje pro ty, kteří studii provádějí, a informace o tom, kde se tato studie provádí.

Studijní kontakt

Studijní záloha kontaktů

  • Jméno: Clinical Research Physician
  • Telefonní číslo: +49 731 50054306

Kritéria účasti

Výzkumníci hledají lidi, kteří odpovídají určitému popisu, kterému se říká kritéria způsobilosti. Některé příklady těchto kritérií jsou celkový zdravotní stav osoby nebo předchozí léčba.

Kritéria způsobilosti

Věk způsobilý ke studiu

  • Dospělý
  • Starší dospělý

Přijímá zdravé dobrovolníky

Ne

Popis

Inclusion Criteria:

Adult patients (≥ 18 years) with an ASA physical status ≤ 3 scheduled for elective non-cardiac surgery under general anaesthesia whose airway can be secured via tracheal tube or SGA.

Exclusion Criteria:

Contraindications for using supraglottic devices, tracheal tube, or neuromuscular blocking agents (and reversal drugs); surgery in prone positioning; surgical procedures scheduled outside the operating room; ambulatory surgery; pregnancy; patients planned for consecutive anaesthetic/surgical procedures in the following 14 days or within the past 14 days.

Studijní plán

Tato část poskytuje podrobnosti o studijním plánu, včetně toho, jak je studie navržena a co studie měří.

Jak je studie koncipována?

Detaily designu

  • Primární účel: Prevence
  • Přidělení: Randomizované
  • Intervenční model: Paralelní přiřazení
  • Maskování: Dvojnásobek

Zbraně a zásahy

Skupina účastníků / Arm
Intervence / Léčba
Aktivní komparátor: Tracheal Tube with moderate Neuromuscular Blockade (TT/moderate NMB)
General anesthesia with tracheal tube management and moderate neuromuscular blockade.
For the superiority hypothesis the placement of the supraglottic airway device compared to the endotracheal tube is investigated.
Deep or moderate NMB. Muscle relaxants are administered according to group allocation. Repetitive doses of half the ED95s are administered at Train-of-Four (TOF) count ≥ 2 in the moderate group and at post-tetanic count (PTC) ≥ 2 in the deep blockade group.
Experimentální: Supraglottic Airway Device with deep Neuromuscular Blockade (SGA/deep NMB)
General anesthesia with supraglottic airway device management and deep neuromuscular blockade.
For the superiority hypothesis the placement of the supraglottic airway device compared to the endotracheal tube is investigated.
Deep or moderate NMB. Muscle relaxants are administered according to group allocation. Repetitive doses of half the ED95s are administered at Train-of-Four (TOF) count ≥ 2 in the moderate group and at post-tetanic count (PTC) ≥ 2 in the deep blockade group.
For the non-inferiority hypothesis the initiation of neuromuscular blockade in patients receiving a supraglottic airway is investigated.
Aktivní komparátor: Supraglottic Airway Device without Neuromuscular Blockade (SGA/no NMB)
General anaesthesia with supraglottic airway device management without neuromuscular blockade.
For the non-inferiority hypothesis the initiation of neuromuscular blockade in patients receiving a supraglottic airway is investigated.
Aktivní komparátor: Tracheal Tube with deep Neuromuscular Blockade (TT/deep NMB)
General anesthesia with tracheal tube management and deep neuromuscular blockade.
For the superiority hypothesis the placement of the supraglottic airway device compared to the endotracheal tube is investigated.
Deep or moderate NMB. Muscle relaxants are administered according to group allocation. Repetitive doses of half the ED95s are administered at Train-of-Four (TOF) count ≥ 2 in the moderate group and at post-tetanic count (PTC) ≥ 2 in the deep blockade group.
Experimentální: Supraglottic Airway Device with moderate Neuromuscular Blockade (SGA/moderate NMB)
General anesthesia with supraglottic airway device management and moderate neuromuscular blockade.
For the superiority hypothesis the placement of the supraglottic airway device compared to the endotracheal tube is investigated.
Deep or moderate NMB. Muscle relaxants are administered according to group allocation. Repetitive doses of half the ED95s are administered at Train-of-Four (TOF) count ≥ 2 in the moderate group and at post-tetanic count (PTC) ≥ 2 in the deep blockade group.
For the non-inferiority hypothesis the initiation of neuromuscular blockade in patients receiving a supraglottic airway is investigated.

Co je měření studie?

Primární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Occurrence of at least one postoperative pulmonary complication
Časové okno: Postoperative day one until hospital discharge or postoperative day 28, whichever occurs earlier
The primary outcome is a composite endpoint of postoperative pulmonary complications. It is met if a participant experiences at least one predefined postoperative pulmonary complication and their severity is graded according to the Clavien-Dindo-Classification
Postoperative day one until hospital discharge or postoperative day 28, whichever occurs earlier

Sekundární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Intraoperative complications
Časové okno: During the surgery
The classification of intraoperative adverse events (ClassIntra), ranging from grade 0 to grade V. It is used to assess intraoperative anaesthesia- and surgery-related complications.
During the surgery
Critical respiratory events in the recovery room
Časové okno: During post-anesthesia care before admission to the normal ward
The outcome is met if at least one predefined critical respiratory event occurs. Events include upper airway obstruction requiring intervention, hypoxaemia not responding to active interventions, signs of respiratory distress or impending ventilatory failure, inability to breathe deeply, symptoms of respiratory or upper-airway muscle weakness, suspected pulmonary aspiration, or reintubation.
During post-anesthesia care before admission to the normal ward
Any postoperative in-hospital complication
Časové okno: Patients are visited on postoperative days 1, 3, 5, 8, 15 and on the day of discharge from hospital or day 28 (whatever occurs first) to document complications between the current and the last visit.
Postoperative complications are recorded during the hospital stay during predefined visits in accordance with the postoperative morbidity survey including pulmonary, infectious, renal, gastrointestinal, cardiovascular, neurological, hematological, wound and pain). If a complication occurs each complication is categorized according to the Clavien-Dindo classification.
Patients are visited on postoperative days 1, 3, 5, 8, 15 and on the day of discharge from hospital or day 28 (whatever occurs first) to document complications between the current and the last visit.
Surgical conditions
Časové okno: During surgery, assessed every 15 minutes
Surgical conditions will be assessed in a single-blinded manner via the Leiden Surgical Rating Scale which ranges from 1 to 5, with 1 indicating extremely poor surgical conditions and 5 indicating optimal surgical conditions considering visibility, surgical space, muscle contractions, handling tactics and patient movement.
During surgery, assessed every 15 minutes
Quality of Recovery questionnaire
Časové okno: On postoperative day 1, day of discharge or on day 28 whatever occurs first and on postoperative day 180
The Quality of Recovery 15 questionnaire will be assessed and consists of 15 items to determine subjective recovery after surgery on an 11-point Likert scale (0-10).
On postoperative day 1, day of discharge or on day 28 whatever occurs first and on postoperative day 180
Functional Health
Časové okno: On the day of admission and 180 days after surgery
The WHODAS-2 (World Health Organization Disability Assessment Schedule 2.0) scale will be used to quantify the level of disability.
On the day of admission and 180 days after surgery
Further Outcomes
Časové okno: Retrieved from Chart Review or at the 180 day follow-up
Length of hospital stay, length of intensive care unit stay and 180-day mortality.
Retrieved from Chart Review or at the 180 day follow-up

Spolupracovníci a vyšetřovatelé

Zde najdete lidi a organizace zapojené do této studie.

Vyšetřovatelé

  • Vrchní vyšetřovatel: Manfred Blobner, Professor M.D., Department of Anesthesiology and Intensive Care Medicine, Ulm University Hospital, Ulm, Germany

Publikace a užitečné odkazy

Osoba odpovědná za zadávání informací o studiu tyto publikace poskytuje dobrovolně. Mohou se týkat čehokoli, co souvisí se studiem.

Obecné publikace

Termíny studijních záznamů

Tato data sledují průběh záznamů studie a předkládání souhrnných výsledků na ClinicalTrials.gov. Záznamy ze studií a hlášené výsledky jsou před zveřejněním na veřejné webové stránce přezkoumány Národní lékařskou knihovnou (NLM), aby se ujistily, že splňují specifické standardy kontroly kvality.

Hlavní termíny studia

Začátek studia (Odhadovaný)

15. října 2026

Primární dokončení (Odhadovaný)

1. září 2029

Dokončení studie (Odhadovaný)

1. září 2030

Termíny zápisu do studia

První předloženo

14. září 2026

První předloženo, které splnilo kritéria kontroly kvality

14. září 2026

První zveřejněno (Aktuální)

18. září 2026

Aktualizace studijních záznamů

Poslední zveřejněná aktualizace (Aktuální)

18. září 2026

Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality

14. září 2026

Naposledy ověřeno

1. září 2026

Více informací

Termíny související s touto studií

Plán pro data jednotlivých účastníků (IPD)

Plánujete sdílet data jednotlivých účastníků (IPD)?

NE

Informace o lécích a zařízeních, studijní dokumenty

Studuje lékový produkt regulovaný americkým FDA

Ne

Studuje produkt zařízení regulovaný americkým úřadem FDA

Ne

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