Dex as Analgesic Adjuvant in OSA Patients

Status Withdrawn

Clinical Trial Summary

The purpose of this study is to assess whether intravenous peri-operative Dexmedetomidine reduces opioid requirements and or improves pain control after Uvulopalatopharyngoplasty (UPPP) in patients with obstructive sleep apnea (OSA).

Clinical Trial Description

BACKGROUND/STUDY SIGNIFICANCE

Patients with OSA undergoing surgery have increased surgical risk compared to patients that do not have OSA . Perioperative medication such as benzodiazepines and opioids can decrease upper airway tone, inhibit central respiratory drive and inhibit upper airway reflexes. The supine position may also worsen the severity of the OSA. Additionally, this group of patients is more likely to have a higher incidence of complications, particularly post operative hypoxemia , difficult intubation , and complicated extubation course .

Uvulopalatopharyngoplasty (UPPP) along with other tongue base procedures are commonly performed surgical procedures used to help alleviate the symptoms of obstructive sleep apnea (OSA). Postoperative management of oropharyngeal pain is challenging since narcotic administration may compromise respiratory status in OSA patients. The Anesthesiology and Otorhinolaryngology communities have begun to rethink acceptable narcotic use in OSA patients especially following the recent FDA announcement highlighting serious adverse effects related to codeine consumption in children who had undergone tonsillectomies.

Dexmedetomidine (Precedex) is a sedative with minimal respiratory depression. Its mechanism is via alpha 2 agonism and has 8 times the affinity for the alpha 2 adrenoreceptor than clonidine. It has been shown to have sedative, analgesic, and anxiolytic effects. It produces a predictable and dose dependent decrease in heart rate and blood pressure. Dexmedetomidine undergoes extensive metabolism in the liver and is then eliminated as methyl and glucuronide conjugates mostly via the renal system. The pharmacokinetics are markedly affected by hepatic insufficiency . ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03613558
Study type	Interventional
Source	Montefiore Medical Center
Contact
Status	Withdrawn
Phase	Phase 1/Phase 2
Start date	July 2014
Completion date	June 2015

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.