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Study on the Effects and Mechanisms of Glycopyrrolate Hydrochloride Nebulization on Respiratory Mechanics and Postoperative Pulmonary Function in Obese Patients Undergoing Laparoscopic Surgery

Study on the Effects and Mechanisms of Glycopyrrolate Hydrochloride Nebulization on Respiratory Mechanics and Postoperative Pulmonary Function in Obese Patients Undergoing Laparoscopic Surgery

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600119005
Enrollment
Unknown
Registered
2026-02-13
Start date
2026-02-13
Completion date
Unknown
Last updated
2026-02-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity

Interventions

C Group:At 8pm the night before surgery and on the day after tracheal intubation, nebulized inhalation of 5ml of physiological saline was performed
PHC Group:At 8pm the night before surgery and after tracheal intubation on the day of surgery, nebulized inhalation of 0.5mg/5ml of pentachloroquine hydrochloride was administered

Sponsors

The First Hospital of Hebei Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Part 1: Effects of nebulized inhalation of pentachloroquine hydrochloride on respiratory mechanics during laparoscopic surgery in obese patients 1. Age>=18 years old; 2. ASA (American Society of Anesthesiologists Classification) grades II-III; 3. Body mass index (BMI)>=30kg/m2; 4. Patients undergoing elective laparoscopic sleeve gastrectomy; 5. No history of drug allergies or abnormal anesthesia. Part 2: Study on the Effects and Mechanisms of Nebulized Inhalation of Pentachloroquine Hydrochloride on Postoperative Pulmonary Function in Obese Patients Undergoing Laparoscopic Surgery 1. Age range: 18 to 65 years old; 2. ASA (American Society of Anesthesiologists Classification) grades II-III; 3. Body mass index (BMI)>=30kg/m^2; 4. Patients who undergo gynecological and gastrointestinal laparoscopic surgery at a scheduled time, with a duration of less than 2 hours of pneumoperitoneum; 5. No history of drug allergies or abnormal anesthesia.

Exclusion criteria

Exclusion criteria: Part 1: Effects of nebulized inhalation of pentachloroquine hydrochloride on respiratory mechanics during laparoscopic surgery in obese patients 1. Patients with a history of ALI/ARDS within 3 months, severe pulmonary dysfunction (SpO2=3), or rapid arrhythmia within 3.1 years; 4. Severe liver and kidney dysfunction (requiring renal replacement therapy, Child Pugh C grade); 5. Moderate to severe symptomatic prostate enlargement or narrow angle glaucoma; 6. Patients who have used inhaled ß 2 receptor agonists, anticholinergic drugs, and/or glucocorticoids within one month prior to surgery; 7. Patients who have participated in other drug trials within one month prior to surgery; 8. Patients who are unable to cooperate with inhalation therapy; 9. Individuals who are known to be allergic to pentachloroquine hydrochloride; 10. Refuse to join clinical trials. Part 2: Study on the Effects and Mechanisms of Nebulized Inhalation of Pentachloroquine Hydrochloride on Postoperative Pulmonary Function in Obese Patients Undergoing Laparoscopic Surgery 1.Patients with a history of ALI/ARDS within 1.3 months, severe pulmonary dysfunction (SpO2=3), or rapid arrhythmia within 3.1 years; 4. Severe liver and kidney dysfunction (requiring renal replacement therapy, Child Pugh C grade); 5. Moderate to severe symptomatic prostate enlargement or narrow angle glaucoma; 6. Patients who have used inhaled ß 2 receptor agonists, anticholinergic drugs, and/or glucocorticoids within one month prior to surgery; 7. Patients who have participated in other drug trials within one month prior to surgery; 8. Patients who are unable to cooperate with inhalation therapy; 9. Individuals who are known to be allergic to pentachloroquine hydrochloride; 10. Refuse to join clinical trials.

Design outcomes

Primary

MeasureTime frame
Area under the driving pressure (DP) curve (ArAUC).;The incidence of atelectasis;

Secondary

MeasureTime frame
General condition of the patient;Airway peak pressure;Area under the airway peak pressure curve;Dynamic lung compliance ;Area under dynamic lung compliance curve;Drive pressure;Alveolar arterial oxygen pressure difference (A-aO2);oxygenation index;Serum SP-A;The incidence of postoperative 48 hour hypoxemia;Incidence of atelectasis;Pulmonary ultrasound score;Adverse reaction occurrence;Pulmonary ultrasound score;oxygenation index;Alveolar arterial oxygen pressure difference (A-aO2);Airway peak pressure;Area under the airway peak pressure curve;Dynamic lung compliance ;Area under dynamic lung compliance curve;Drive pressure;Area under the driving pressure curve; IL-8 ;IL-1 ß;SP-A;MPO-DNA;NLRP3;CitH3;CC16 ;Global Heterogeneity Index (GI);Ventilation center area;Dorsal ventilation ratio;Minimum oxygenation index;SpO2 < 92% cumulative time;Incidence of atelectasis;Pain Scale (VAS);Analgesic medication dosage;

Countries

China

Contacts

Public ContactGuo Qiongmei

The First Hospital of Hebei Medical University

guo-qiongmei@163.com+86 155 1166 0729

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 19, 2026