NCT06482983

Brief Summary

The aim of the study was to determine whether the use of different mechanical ventilation modes in patients with Trendelenburg position and CO2 insufflation affects respiration and cerebral oxygenation due to postoperative atelectasis, and was to determine whether there was any hemodynamic effect.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
120

participants targeted

Target at P50-P75 for not_applicable

Timeline
3mo left

Started May 2023

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress93%
May 2023Jul 2026

Study Start

First participant enrolled

May 1, 2023

Completed
1 year until next milestone

First Submitted

Initial submission to the registry

May 6, 2024

Completed
2 months until next milestone

First Posted

Study publicly available on registry

July 1, 2024

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 30, 2024

Completed
1.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2026

Expected
Last Updated

November 19, 2025

Status Verified

November 1, 2025

Enrollment Period

1.4 years

First QC Date

May 6, 2024

Last Update Submit

November 16, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • pulmonary datas in laparoscopic gynecologic surgery.

    peak airway pressure (minumum 40 cm H2O ,maksimum 40 cm H2O)

    one week

  • cerebral datas in laparoscopic gynecologic

    NIRS (20% change from baseline value)

    one week

Study Arms (3)

ventilation mode during surgery

ACTIVE COMPARATOR

Volume control mode (VC) n: 40

Procedure: Mechanical Ventilation Mode

Pressure-controlled volume guaranteed mode (PC-VG) ventilation

ACTIVE COMPARATOR

Pressure-controlled volume guaranteed mode (PC-VG) n:40

Procedure: Mechanical Ventilation Mode

Pressure control mode (PC) ventilation

ACTIVE COMPARATOR

Pressure control mode (PC) n:40

Procedure: Mechanical Ventilation Mode

Interventions

after intubation different ventilation mode (VC,PC,PC-VG)

Also known as: Pressure-controlled volume guaranteed mode ventilation, Pressure control mode ventilation
Pressure control mode (PC) ventilationPressure-controlled volume guaranteed mode (PC-VG) ventilationventilation mode during surgery

Eligibility Criteria

Age18 Years - 70 Years
Sexfemale(Gender-based eligibility)
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • age
  • ASA 1-3

You may not qualify if:

  • Under 18 years of age, over 70 years of age,
  • ASA IV,
  • history of severe chronic obstructive pulmonary disease (COPD, GOLD III or IV)
  • ,-history of severe or uncontrolled bronchial asthma, presence of restrictive lung disease,
  • history of any thoracic surgery operation, need for thoracic drainage before surgery
  • patients receiving preoperative renal replacement therapy,
  • congestive heart failure (NYHA grade III or IV),
  • extremely obese (body Mass Index, BMI \> 35 Kg/m2)
  • patients without patient consent

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Umraniye research and education hospital

Istanbul, Umraniye, 34764, Turkey (Türkiye)

RECRUITING

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
Group I: Volume control mode (VC) n: 40 Group II: Pressure-controlled volume guaranteed mode (PC-VG) n:40 Group III: Pressure control mode (PC) n:40
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Group I: Volume control mode (VC) n: 40 Group II: Pressure-controlled volume guaranteed mode (PC-VG) n:40 Group III: Pressure control mode (PC) n:40
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Head of Anesthesiology and Reanimation department,Assoc Prof

Study Record Dates

First Submitted

May 6, 2024

First Posted

July 1, 2024

Study Start

May 1, 2023

Primary Completion

September 30, 2024

Study Completion (Estimated)

July 31, 2026

Last Updated

November 19, 2025

Record last verified: 2025-11

Locations