Actively Recruiting

Phase 3
Age: 18Years +
All Genders
ID05358535

Propofol and Etomidate Admixtures Comparisons Trial (PEAC Trial) for Anesthesia During Endoscopic Procedures

Led by University of Texas Southwestern Medical Center · Updated on 2026-01-20

200

Participants Needed

1

Research Sites

8 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating two different mixtures of propofol and etomidate anesthesia used during endoscopic procedures to determine which ratio provides more stable heart and lung function and fewer side effects. This phase 3, randomized, double-blind trial compares an admixture of propofol and etomidate at 25%/75% (P2E7) versus 75%/25% (P7E2) in adult patients undergoing these procedures. The study aims to provide clear guidance on anesthesia use in older patients or those with chronic conditions needing endoscopy. Participants receive one of two anesthesia mixtures administered during their endoscopic procedure at the Clements University Hospital endoscopy lab. Both mixtures are prepared fresh and blinded so neither patients nor clinicians know the exact ratio. Propofol and etomidate are FDA-approved drugs combined in varying ratios to assess which maintains better cardiovascular stability while minimizing adverse effects. This trial runs over an estimated 6 to 12 months. During the study, researchers monitor heart pressure, oxygen levels, use of blood pressure medications, and adverse events like nausea or emergency responses. Assessments include clinician, endoscopist, and patient evaluations of anesthesia quality. Data on recovery times and medication doses are also collected. Safety is closely followed during and after the procedure, with outcomes measured up to 30 days post-anesthesia to evaluate cardiac events and side effects.

CONDITIONS

Brief Title

Propofol and Etomidate Admixtures Comparisons Trial (PEAC Trial)

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Adult patients 18 years or older
  • Scheduled for an endoscopic procedure at Clements University Hospital with anesthesia
  • ASA physical status classification of 3 or higher
  • Recent Ejection Fraction test result available
Not Eligible

You will not qualify if you...

  • Known allergies or adverse reactions to propofol, etomidate, their components, or preservatives
  • Patient refusal to participate
  • Clinician refusal to include patient
  • Cognitive impairments preventing informed consent without legal surrogate consent
  • Prisoners or individuals in custody of law enforcement
  • Pregnancy or refusal of pregnancy testing as per hospital policy

AI-Screening

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Treatment

Duration - Single procedure day

Participants receive anesthesia with a blinded admixture of propofol and etomidate at varying ratios during their endoscopic procedures to compare hemodynamic stability and side effect profiles.

1 visit (in-person) on procedure day

Follow-up

Duration - 30 days

Participants are monitored for 30 days after the procedure to assess safety outcomes including adverse events and recovery quality.

Follow-up assessments within 30 days post-procedure

Trial Site Locations

Total: 1 location

1

Clements University Hospital

Dallas, Texas, United States, 75390

Actively Recruiting

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Research Team

C

Christopher Choi

K

Kapil Anand

How is the study designed?

Study Type

INTERVENTIONAL

Masking

DOUBLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Published Research Related To This Trial

Safety and efficacy of combined use of propofol and etomidate for sedation during gastroscopy: Systematic review and meta-analysis.

Lingyuan Chen, Xueyan Liang, Xinmei Tan...

https://pubmed.ncbi.nlm.nih.gov/31096522

Comparison of propofol monotherapy and propofol combination therapy for sedation during gastrointestinal endoscopy: A systematic review and meta-analysis.

Sang Won Yoon, Geun Joo Choi, Oh Haeng Lee...

https://pubmed.ncbi.nlm.nih.gov/29526045

Comparison of the potency of phenylephrine and norepinephrine bolus doses used to treat post-spinal hypotension during elective caesarean section.

M Mohta, M Dubey, R K Malhotra...

https://pubmed.ncbi.nlm.nih.gov/30685301