Trial Outcomes & Findings for Preoperative Single-dose Steroid Application for the Treatment of Nausea and Vomiting After Thyroid Surgery (NCT NCT01189292)

NCT ID: NCT01189292

Last Updated: 2015-07-07

Results Overview

Compare the postoperative recovery, as determined by postoperative nausea and vomiting (PONV) after preoperative application of single-dose dexamethasone versus saline in patients undergoing partial or total thyroidectomy (primary end-point) * any PONV event within 48 hours after surgery * PONV was measured at 4, 8, 16, 24, 32 and 48 hours after surgery

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

152 participants

Primary outcome timeframe

within 48 hours after surgery

Results posted on

2015-07-07

Participant Flow

Patients older than 18 years scheduled for a primary partial or total thyroidectomy due to benign disease at the Kantonsspital St. Gallen, Department of Surgery were recruited.

Participant milestones

Participant milestones
Measure
Dexamethasone Injection
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Intention to Treat Analysis
STARTED
76
76
Intention to Treat Analysis
COMPLETED
76
76
Intention to Treat Analysis
NOT COMPLETED
0
0
Per Protocol Analysis
STARTED
76
76
Per Protocol Analysis
COMPLETED
65
60
Per Protocol Analysis
NOT COMPLETED
11
16

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Preoperative Single-dose Steroid Application for the Treatment of Nausea and Vomiting After Thyroid Surgery

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Dexamethasone Injection
n=76 Participants
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
n=76 Participants
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Total
n=152 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Age, Categorical
Between 18 and 65 years
70 Participants
n=5 Participants
67 Participants
n=7 Participants
137 Participants
n=5 Participants
Age, Categorical
>=65 years
6 Participants
n=5 Participants
9 Participants
n=7 Participants
15 Participants
n=5 Participants
Age, Continuous
49.5 years
STANDARD_DEVIATION 12.0 • n=5 Participants
48.4 years
STANDARD_DEVIATION 13.4 • n=7 Participants
49.0 years
STANDARD_DEVIATION 12.7 • n=5 Participants
Sex: Female, Male
Female
62 Participants
n=5 Participants
58 Participants
n=7 Participants
120 Participants
n=5 Participants
Sex: Female, Male
Male
14 Participants
n=5 Participants
18 Participants
n=7 Participants
32 Participants
n=5 Participants
Region of Enrollment
Switzerland
76 participants
n=5 Participants
76 participants
n=7 Participants
152 participants
n=5 Participants
Body mass index
24.8 kg/m²
STANDARD_DEVIATION 4.1 • n=5 Participants
25.4 kg/m²
STANDARD_DEVIATION 4.6 • n=7 Participants
25.1 kg/m²
STANDARD_DEVIATION 4.4 • n=5 Participants
Diagnosis
Graves disease
13 participants
n=5 Participants
12 participants
n=7 Participants
25 participants
n=5 Participants
Diagnosis
Goiter, multinodular
35 participants
n=5 Participants
33 participants
n=7 Participants
68 participants
n=5 Participants
Diagnosis
Goiter, uninodular
28 participants
n=5 Participants
31 participants
n=7 Participants
59 participants
n=5 Participants
Type of surgery
Hemithyroidectomy
37 participants
n=5 Participants
38 participants
n=7 Participants
75 participants
n=5 Participants
Type of surgery
Near total thyroidectomy
19 participants
n=5 Participants
13 participants
n=7 Participants
32 participants
n=5 Participants
Type of surgery
Total thyroidectomy
20 participants
n=5 Participants
25 participants
n=7 Participants
45 participants
n=5 Participants
Lymph node dissection (C1/level VI)
no
63 participants
n=5 Participants
65 participants
n=7 Participants
128 participants
n=5 Participants
Lymph node dissection (C1/level VI)
yes
13 participants
n=5 Participants
11 participants
n=7 Participants
24 participants
n=5 Participants
Operating time
126.2 minutes
STANDARD_DEVIATION 40.9 • n=5 Participants
127.5 minutes
STANDARD_DEVIATION 45.7 • n=7 Participants
126.8 minutes
STANDARD_DEVIATION 43.2 • n=5 Participants
Specimen weight
45.3 gram
STANDARD_DEVIATION 40.1 • n=5 Participants
51.2 gram
STANDARD_DEVIATION 58.2 • n=7 Participants
48.3 gram
STANDARD_DEVIATION 49.9 • n=5 Participants
Histology of specimen
Papillary thyroid cancer (PTC)
3 participants
n=5 Participants
7 participants
n=7 Participants
10 participants
n=5 Participants
Histology of specimen
Follicular thyroid cancer (FTC)
4 participants
n=5 Participants
2 participants
n=7 Participants
6 participants
n=5 Participants
Histology of specimen
Benign disease
69 participants
n=5 Participants
67 participants
n=7 Participants
136 participants
n=5 Participants

PRIMARY outcome

Timeframe: within 48 hours after surgery

Population: intention to treat analysis

Compare the postoperative recovery, as determined by postoperative nausea and vomiting (PONV) after preoperative application of single-dose dexamethasone versus saline in patients undergoing partial or total thyroidectomy (primary end-point) * any PONV event within 48 hours after surgery * PONV was measured at 4, 8, 16, 24, 32 and 48 hours after surgery

Outcome measures

Outcome measures
Measure
Dexamethasone Injection
n=76 Participants
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
n=76 Participants
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Incidence of Postoperative Nausea and Vomiting
29 percentage of participants
Interval 20.0 to 40.0
57 percentage of participants
Interval 45.0 to 67.0

SECONDARY outcome

Timeframe: within 48 hours after surgery (PP)

Population: per protocol analysis

Compare the postoperative recovery, as determined by postoperative nausea and vomiting (PONV) after preoperative application of single-dose dexamethasone versus saline in patients undergoing partial or total thyroidectomy (primary end-point) * any PONV event within 48 hours after surgery * PONV was measured at 4, 8, 16, 24, 32 and 48 hours after surgery

Outcome measures

Outcome measures
Measure
Dexamethasone Injection
n=65 Participants
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
n=60 Participants
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Incidence of Postoperative Nausea and Vomiting
28 percentage of participants
Interval 18.0 to 40.0
52 percentage of participants
Interval 39.0 to 64.0

SECONDARY outcome

Timeframe: 4 hours after surgery

Population: intention to treat

mild nausea:......single administration of an antiemetic drug severe nausea: repeated administration of antiemetic drugs vomiting:...........at least one vomiting event

Outcome measures

Outcome measures
Measure
Dexamethasone Injection
n=76 Participants
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
n=76 Participants
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Degree of Post Operative Nausea and Vomiting
mild nausea
9 participants
15 participants
Degree of Post Operative Nausea and Vomiting
severe nausea
1 participants
3 participants
Degree of Post Operative Nausea and Vomiting
vomiting
3 participants
12 participants

SECONDARY outcome

Timeframe: 8 hours after surgery

Population: intention to treat

mild nausea:......single administration of an antiemetic drug severe nausea: repeated administration of antiemetic drugs vomiting:...........at least one vomiting event

Outcome measures

Outcome measures
Measure
Dexamethasone Injection
n=76 Participants
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
n=76 Participants
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Degree of Post Operative Nausea and Vomiting
mild nausea
5 participants
7 participants
Degree of Post Operative Nausea and Vomiting
severe nausea
0 participants
3 participants
Degree of Post Operative Nausea and Vomiting
vomiting
8 participants
12 participants

SECONDARY outcome

Timeframe: 4 and 8 hours after surgery

Population: intention to treat analysis

Compare grade of pain between the treatment (dexamethasone) and the control (saline) group * Pain was measured using a verbal rating scale ranging from 0 (no pain) to 10 in steps of 1 * before obtaining the pain rating, patients were asked to turn their heads (physical stress)

Outcome measures

Outcome measures
Measure
Dexamethasone Injection
n=76 Participants
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
n=76 Participants
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Postoperative Pain After Physical Stress
4 hours after surgery
1.88 units on a scale
Standard Deviation 1.52
2.09 units on a scale
Standard Deviation 1.73
Postoperative Pain After Physical Stress
8 hours after surgery
1.88 units on a scale
Standard Deviation 1.54
2.01 units on a scale
Standard Deviation 1.75

SECONDARY outcome

Timeframe: Difference between day of admission and day of discharge

Population: intention to treat

Compare the lengths of hospital stay between the treatment (dexamethasone) and the control (saline) group

Outcome measures

Outcome measures
Measure
Dexamethasone Injection
n=76 Participants
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
n=76 Participants
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Length of Hospital Stay
48.3 hour
Standard Deviation 15.7
48.1 hour
Standard Deviation 12.6

SECONDARY outcome

Timeframe: measured from beginning of anaesthesia to end of anaesthesia

Compare the amount of necessary anesthesiologic medication during the operation between the treatment (dexamethasone) and the control (saline) group

Outcome measures

Outcome measures
Measure
Dexamethasone Injection
n=76 Participants
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
n=76 Participants
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Necessary Anesthesiological Medication
Propofol
1097 milligram
Standard Deviation 422
1168 milligram
Standard Deviation 422
Necessary Anesthesiological Medication
Remifentanil
1.944 milligram
Standard Deviation 1.197
1.978 milligram
Standard Deviation 1.111
Necessary Anesthesiological Medication
Fentanyl
0.427 milligram
Standard Deviation 0.111
0.444 milligram
Standard Deviation 0.108
Necessary Anesthesiological Medication
Rocuronium
38.7 milligram
Standard Deviation 7.3
39.7 milligram
Standard Deviation 8.3

Adverse Events

Dexamethasone Injection

Serious events: 0 serious events
Other events: 8 other events
Deaths: 0 deaths

Placebo (NaCl 0.9%)

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Dexamethasone Injection
n=76 participants at risk
Administration of 8mg(2ml) intravenous Dexamethasone (Mephameson®) Dexamethasone: 8mg (2ml) of dexamethasone (Mephameson®) administered intravenously preoperatively before thyroid surgery
Placebo (NaCl 0.9%)
n=76 participants at risk
NaCl 0.9%: 2ml of NaCl 0.9% administered intravenously preoperatively before thyroid surgery
Surgical and medical procedures
surgical adverse event grade I
5.3%
4/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
2.6%
2/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
Endocrine disorders
temporary hypoparathyroidism
2.6%
2/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
2.6%
2/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
Surgical and medical procedures
bleeding requiring reoperation
1.3%
1/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
0.00%
0/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
General disorders
medical adverse events grade 1
1.3%
1/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
2.6%
2/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
Immune system disorders
Allergic reaction to metamizole
0.00%
0/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
1.3%
1/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
Endocrine disorders
hypocalcemia
0.00%
0/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay
2.6%
2/76 • during hospitalisation (on average 2 days)
adverse events were recorded during the hospital stay

Additional Information

Dr. Ignazio Tarantino

Department of General, Abdominal and Transplant Surgery, University of Heidelberg

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place