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Use of Dexmedetomidine for Sedation During Flexible Bronchoscopy in Patients With COPD: A Descriptive Study
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Purpose
| Condition | Intervention |
|---|---|
| Sedation Flexible Bronchoscopy COPD | Drug: dexmedetomidine |
| Study Type: | Interventional |
| Study Design: | Allocation: Non-Randomized Intervention Model: Single Group Assignment Masking: Open Label Primary Purpose: Treatment |
| Official Title: | Use of Dexmedetomidine for Sedation During Flexible Bronchoscopy in Patients With COPD: A Descriptive Study |
- Safety and efficacy
- Level of sedation
- Pain rating
- Drug dosing
- Supplemental sedation
| Enrollment: | 12 |
| Study Start Date: | November 2006 |
| Study Completion Date: | June 2007 |
This is a pilot study designed to provide preliminary data on the use of dexmedetomidine for outpatient FB procedures requiring sedation. Clinical parameters such as vital signs, level of sedation, dosing and supplemental sedation, and measures of comfort will be evaluated in a population of patients with known Chronic Obstructive Lung Disease undergoing elective FB.
Patients with COPD scheduled for outpatient FB will be provided with an intravenous infusion of dexmedetomidine (1 mcg/kg/hr) (Precedex®: Hospira, Inc, Lake Forest, IL) over a 15-30 min period before the procedure and continued throughout the procedure. No loading dose will be used prior to start of infusion. The FB procedure will be conducted according to standard practice using routine monitoring technique.
This dosing regimen of 1.0 mcg/kg/hr was chosen because the loading dose will be omitted and since a previous review have documented a lack of adverse events with maintenance doses exceeding 1 mcg/kg/hr.
Drug infusion will be discontinued if any of the following adverse events are observed: recurrent apnea (Respiratory Rate <7) lasting more than 30 seconds over a 5 min observation period, sustained episodes (30 seconds) hemoglobin oxygen saturation lower than 90% over a 5 min observation period, decrease of heart rate to below 50 beats/min, mean arterial pressure below 70% of its initial value.
If needed, additional sedation will be provided with alternating doses of midazolam 1 mg, or Fentanyl 25 mcg for pain, agitation interfering with the completion of the procedure, or for persistent cough non-responsive to local lidocaine instillation. The amount of Fentanyl and versed used as an adjunct for conscious sedation will also be recorded as part of this study.
The quality of sedation will be assessed using the Richmond Agitation Sedation Scale. The quality of analgesia will be assessed using the 11-point (0-10) Numerical Pain Rating scale (NRS). The level of recovery from anesthesia and the return of psychomotor fitness will be assessed using the Modified Post anesthesia Discharge Scoring System (MPADSS). The duration of FB and the time from the end of the procedure to the patient reaching a score of 9 and 10 on the MPADSS (readiness for discharge) will also be measured.
Except for the measurements described above (NRS), no additional procedures will be performed for the purposes of this study.
Eligibility| Ages Eligible for Study: | 18 Years and older (Adult, Senior) |
| Sexes Eligible for Study: | All |
| Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Subject has COPD
- Subject is ≥ 18 years of age
- If female, subject is non-lactating and either not able to become pregnant or proven not to be pregnant and actively practicing birth control
- Subject or subject's legally authorized representative has voluntarily signed and dated an informed consent after all has been explained and any/all questions answered
Exclusion Criteria:
- Subject for whom α2 agonists are contraindicated
- Subject for whom opiates, benzodiazepines, or dexmedetomidine are contraindicated or who has known or suspected serious allergy to any drug that might be administered during the course of the study
Subject meets any of the following cardiovascular criteria:
(A routine EKG will be performed for potential subjects prior to enrollment in order to screen for unrecognized conduction abnormalities.)
- Acute unstable angina (defined during current hospital stay)
- Myocardial infarction within 6 weeks of bronchoscopy
- Suspicion of acute myocardial infarction
- Known severe left ventricular failure
- Heart rate < 50 bpm prior to infusion start
- Systolic blood pressure less than 90 mmHg prior to infusion start
- Conduction abnormalities except 1st degree AV block and rate-controlled atrial fibrillation; subjects with functional pacemaker capacity can be enrolled
- Known severe liver disease
- Subject requires dialysis (e.g., hemodialysis, peritoneal dialysis, CVVHD)
- Subject has a known, uncontrolled seizure disorder
- Subject on α-agonists or blockers
Contacts and LocationsPlease refer to this study by its ClinicalTrials.gov identifier: NCT00401206
| United States, New Jersey | |
| Cooper University Hospital | |
| Camden, New Jersey, United States, 08103 | |
| Principal Investigator: | Wissam Abouzgheib, MD | The Cooper Health System |
More Information
| ClinicalTrials.gov Identifier: | NCT00401206 History of Changes |
| Other Study ID Numbers: |
RP-06078 |
| Study First Received: | November 17, 2006 |
| Last Updated: | November 2, 2007 |
Keywords provided by The Cooper Health System:
|
dexmedetomidine sedation bronchoscopy COPD |
Additional relevant MeSH terms:
|
Dexmedetomidine Hypnotics and Sedatives Central Nervous System Depressants Physiological Effects of Drugs Analgesics, Non-Narcotic Analgesics Sensory System Agents |
Peripheral Nervous System Agents Adrenergic alpha-2 Receptor Agonists Adrenergic alpha-Agonists Adrenergic Agonists Adrenergic Agents Neurotransmitter Agents Molecular Mechanisms of Pharmacological Action |
ClinicalTrials.gov processed this record on June 23, 2017