Efficacy of Dexmedetomidine for Cough Suppression in Patients Undergoing Thyroid Surgery

NCT ID: NCT03312413

Last Updated: 2017-10-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

PHASE4

Total Enrollment

400 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-08-10

Study Completion Date

2018-12-31

Brief Summary

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Maintenance of a remifentanil infusion during anesthetic emergence has been reported to decrease the incidence of coughing and thereby help to ensure a smooth emergence. It may, however, cause respiratory depression and possibly delay emergence. The purpose of this study was to investigate the effect of different dose of dexmedetomidine infusion on cough suppression during emergence from general anesthesia in patients undergoing thyroid surgery.

American Society of Anesthesiologists physical status I-II adults undergoing elective thyroidectomy under general anesthesia are recruited and randomly allocated to receive dexmedetomidine iv infusion of 0.2μg·kg-1·h-1 (Group D1, n = 100), 0.5μg·kg-1·h-1 (Group D2, n = 100), 0.7μg·kg-1·h-1 (Group D3, n = 100) or saline (Group C, n = 100). Primary outcome is the incidence of coughing during emergence. Second outcomes include severity of coughing, which is assessed using a four-point scale; Ramsay score, Bruggrmann comfort scale score, VAS pain score are recorded. The respiratory rate (RR), heart rate (HR), and mean arterial pressure are also recorded.

Detailed Description

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Conditions

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Anesthesia Complication

Keywords

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dexmedetomidine coughing during anesthetic emergence thyroid surgery

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Dexmedetomidine low dose group

Patients in this group are received dexmedetomidine hydrochloride iv infusion of 0.2μg·kg-1·h-1 from incision to 20-30 minutes before the end of surgery

Group Type EXPERIMENTAL

Dexmedetomidine Hydrochloride

Intervention Type DRUG

Dexmedetomidine Hydrochloride 0.2 μg·kg-1·h-will be administered to participants by intravenous infusion from incision to 20-30 minutes before the end of surgery

Dexmedetomidine median dose group

Patients in this group are received dexmedetomidine hydrochloride iv infusion of 0.5μg·kg-1·h-1 from incision to 20-30 minutes before the end of surgery

Group Type EXPERIMENTAL

Dexmedetomidine Hydrochloride

Intervention Type DRUG

Dexmedetomidine Hydrochloride 0.5 μg·kg-1·h-1 will be administered to participants by intravenous infusion from incision to 20-30 minutes before the end of surgery

Dexmedetomidine high dose group

Patients in this group are received dexmedetomidine hydrochloride iv infusion of 0.7μg·kg-1·h-1 from incision to 20-30 minutes before the end of surgery

Group Type EXPERIMENTAL

Dexmedetomidine Hydrochloride

Intervention Type DRUG

Dexmedetomidine Hydrochloride 0.7 μg·kg-1·h-1 will be administered to participants by intravenous infusion from incision to 20-30 minutes before the end of surgery

Control group (normal saline group)

Patients in this group are received saline iv infusion of 5mL·h-1 from incision to 20-30 minutes before the end of surgery

Group Type PLACEBO_COMPARATOR

Normal Saline

Intervention Type DRUG

Normal saline 0.5 mL·h-1 will be administered to participants by intravenous infusion from incision to 20-30 minutes before the end of surgery

Interventions

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Dexmedetomidine Hydrochloride

Dexmedetomidine Hydrochloride 0.2 μg·kg-1·h-will be administered to participants by intravenous infusion from incision to 20-30 minutes before the end of surgery

Intervention Type DRUG

Normal Saline

Normal saline 0.5 mL·h-1 will be administered to participants by intravenous infusion from incision to 20-30 minutes before the end of surgery

Intervention Type DRUG

Dexmedetomidine Hydrochloride

Dexmedetomidine Hydrochloride 0.5 μg·kg-1·h-1 will be administered to participants by intravenous infusion from incision to 20-30 minutes before the end of surgery

Intervention Type DRUG

Dexmedetomidine Hydrochloride

Dexmedetomidine Hydrochloride 0.7 μg·kg-1·h-1 will be administered to participants by intravenous infusion from incision to 20-30 minutes before the end of surgery

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. 30Kg/m2 ≥ BMI \> 18Kg/m2;
2. undergoing general anesthesia;
3. ASA physical status I and II
4. undergoing elective thyroid surgery.

Exclusion Criteria

1. hyperthyroidism;
2. preoperative bradycardia;
3. liver function impairment;
4. renal function impairment;
5. heart function failure;
6. history of asthma or COPD;
7. history of diabetes;
8. cognition function impairment;
9. pregnant or lactating women
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Min Su

OTHER

Sponsor Role lead

Responsible Party

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Min Su

clinical professor

Responsibility Role SPONSOR_INVESTIGATOR

Locations

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China,Chongqing The First Affiliated Hospital of Chongqing Medical University

Chongqing, Chongqing Municipality, China

Site Status RECRUITING

Countries

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China

Central Contacts

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SU Min, M.D.

Role: CONTACT

Phone: 86-23-89011068

Email: [email protected]

Facility Contacts

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Su Min, MD

Role: primary

Other Identifiers

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CYYY2017

Identifier Type: -

Identifier Source: org_study_id