Using nebulized Dexmedetomidine to reduce heart rate and blood pressure during anesthesia.

Preoperative Dexmedetomidine Nebulization in Blunting Hemodynamic Stress Response to Laryngoscopy

PHASE4 · Pakistan Institute of Medical Sciences · NCT06103721

This study tests if using a mist of Dexmedetomidine can help lower heart rate and blood pressure in patients having surgery under general anesthesia.

Quick facts

PhasePHASE4
Study typeInterventional
Enrollment126 (estimated)
Ages16 Years and up
SexAll
SponsorPakistan Institute of Medical Sciences (other gov)
Locations1 site (Islamabad, Federal)
Trial IDNCT06103721 on ClinicalTrials.gov

What this trial studies

This interventional study aims to evaluate the effectiveness of nebulized Dexmedetomidine in mitigating the hemodynamic responses, such as increased heart rate and blood pressure, that occur during direct laryngoscopy and endotracheal intubation in patients undergoing general anesthesia. The study will include patients aged 16 and older, classified as ASA class I, II, or III, who are scheduled for elective surgeries requiring general anesthesia. Participants will receive either nebulized Dexmedetomidine or normal saline prior to intubation to assess the drug's impact on their cardiovascular stability. The goal is to enhance patient safety, particularly for those with pre-existing cardiac conditions.

Who should consider this trial

Good fit: Ideal candidates are patients aged 16 and older undergoing elective surgeries under general anesthesia with ASA class I, II, or III.

Not a fit: Patients who are pregnant, have a BMI over 35, or suffer from liver or renal insufficiency may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly improve cardiovascular stability during anesthesia, reducing risks for patients with heart conditions.

How similar studies have performed: Other studies have shown that similar approaches using Dexmedetomidine can effectively manage hemodynamic responses, suggesting potential success for this study.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age: 16 years and above.
* American Society of Anesthesiologists (ASA) class: I, II and III.
* Elective surgeries under General Endotracheal Anesthesia.
* Potentially difficult airway.

Exclusion Criteria:

* Pregnancy
* Body mass index \>35 kg/m2
* Known allergy to drugs used in the study
* Liver and renal insufficiency

Where this trial is running

Islamabad, Federal

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Hemodynamic Instability, Dexmedetomidine, Stress response to laryngoscopy, General Anaesthesia, Direct Laryngoscopy

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.