Trial Outcomes & Findings for Residual Gastric Volume in Same Day Versus Split Dose and Evening Before Bowel Preparation (NCT NCT02264249)

NCT ID: NCT02264249

Last Updated: 2017-05-17

Results Overview

The residual gastric volume for the patients undergoing a combined esophagogastroduodenoscopy and colonoscopy will be measured and compared among the groups taking different bowel preparations.

Recruitment status

COMPLETED

Target enrollment

449 participants

Primary outcome timeframe

1 day

Results posted on

2017-05-17

Participant Flow

Participant milestones

Participant milestones
Measure
Split Dose Colonoscopy Preparation
Esophagogastroduodenoscopy and colonoscopy - split dose - ½ evening before and ½ early AM (4L volume or 2L volume bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Evening Before Colonoscopy Preparation
Esophagogastroduodenoscopy and colonoscopy - Evening before (4L, 2L or miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Same Day Prep Colonoscopy Preparation
Esophagogastroduodenoscopy and colonoscopy - Same day prep (4L volume or 2L volume or Miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Overall Study
STARTED
21
187
241
Overall Study
COMPLETED
21
187
241
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Residual Gastric Volume in Same Day Versus Split Dose and Evening Before Bowel Preparation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Split Dose Colonoscopy Preparation
n=21 Participants
Esophagogastroduodenoscopy and colonoscopy - split dose - ½ evening before and ½ early AM (4L volume or 2L volume bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Evening Before Colonoscopy Preparation
n=187 Participants
Esophagogastroduodenoscopy and colonoscopy - Evening before (4L, 2L or miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Same Day Prep Colonoscopy Preparation
n=241 Participants
Esophagogastroduodenoscopy and colonoscopy - Same day prep (4L volume or 2L volume or Miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Total
n=449 Participants
Total of all reporting groups
Age, Continuous
53 years
STANDARD_DEVIATION 13 • n=99 Participants
56 years
STANDARD_DEVIATION 11 • n=107 Participants
56 years
STANDARD_DEVIATION 12 • n=206 Participants
56 years
STANDARD_DEVIATION 11.5 • n=7 Participants
Sex: Female, Male
Female
11 Participants
n=99 Participants
116 Participants
n=107 Participants
131 Participants
n=206 Participants
258 Participants
n=7 Participants
Sex: Female, Male
Male
10 Participants
n=99 Participants
71 Participants
n=107 Participants
110 Participants
n=206 Participants
191 Participants
n=7 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
5 Participants
n=99 Participants
62 Participants
n=107 Participants
73 Participants
n=206 Participants
140 Participants
n=7 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
16 Participants
n=99 Participants
121 Participants
n=107 Participants
160 Participants
n=206 Participants
297 Participants
n=7 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=99 Participants
4 Participants
n=107 Participants
8 Participants
n=206 Participants
12 Participants
n=7 Participants
Region of Enrollment
United States
21 participants
n=99 Participants
187 participants
n=107 Participants
241 participants
n=206 Participants
449 participants
n=7 Participants
Diabetes Mellitus
5 participants
n=99 Participants
17 participants
n=107 Participants
19 participants
n=206 Participants
41 participants
n=7 Participants
Constipation
3 participants
n=99 Participants
19 participants
n=107 Participants
12 participants
n=206 Participants
34 participants
n=7 Participants
PPI/H2 Blocker
9 participants
n=99 Participants
98 participants
n=107 Participants
117 participants
n=206 Participants
224 participants
n=7 Participants
Drugs affecting GI motility
10 participants
n=99 Participants
94 participants
n=107 Participants
98 participants
n=206 Participants
202 participants
n=7 Participants
Volume of preparation: 4L
21 participants
n=99 Participants
101 participants
n=107 Participants
155 participants
n=206 Participants
277 participants
n=7 Participants
Last ingestion of solids (hours)
35.5 hours
STANDARD_DEVIATION 8.7 • n=99 Participants
37.3 hours
STANDARD_DEVIATION 9.8 • n=107 Participants
39.4 hours
STANDARD_DEVIATION 9.6 • n=206 Participants
38.4 hours
STANDARD_DEVIATION 9.7 • n=7 Participants
Last ingestion of clear liquids (hours)
5.4 hours
STANDARD_DEVIATION 1.9 • n=99 Participants
10.3 hours
STANDARD_DEVIATION 4.6 • n=107 Participants
5.8 hours
STANDARD_DEVIATION 2.4 • n=206 Participants
7.7 hours
STANDARD_DEVIATION 4.1 • n=7 Participants

PRIMARY outcome

Timeframe: 1 day

The residual gastric volume for the patients undergoing a combined esophagogastroduodenoscopy and colonoscopy will be measured and compared among the groups taking different bowel preparations.

Outcome measures

Outcome measures
Measure
Split Dose Colonoscopy Preparation
n=21 Participants
Esophagogastroduodenoscopy and colonoscopy - split dose - ½ evening before and ½ early AM (4L volume or 2L volume bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Evening Before Colonoscopy Preparation
n=187 Participants
Esophagogastroduodenoscopy and colonoscopy - Evening before (4L, 2L or miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Same Day Prep Colonoscopy Preparation
n=241 Participants
Esophagogastroduodenoscopy and colonoscopy - Same day prep (4L volume or 2L volume or Miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Residual Gastric Volumes of Different Bowel Preparation Regimens
19 mL
Standard Deviation 22
16 mL
Standard Deviation 16
18 mL
Standard Deviation 20

SECONDARY outcome

Timeframe: 1 day

The pH of gastric fluid for the patients undergoing a combined esophagogastroduodenoscopy and colonoscopy will be measured and compared among the groups taking different bowel preparations.

Outcome measures

Outcome measures
Measure
Split Dose Colonoscopy Preparation
n=21 Participants
Esophagogastroduodenoscopy and colonoscopy - split dose - ½ evening before and ½ early AM (4L volume or 2L volume bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Evening Before Colonoscopy Preparation
n=187 Participants
Esophagogastroduodenoscopy and colonoscopy - Evening before (4L, 2L or miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Same Day Prep Colonoscopy Preparation
n=241 Participants
Esophagogastroduodenoscopy and colonoscopy - Same day prep (4L volume or 2L volume or Miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
pH of Gastric Fluid of Different Bowel Preparation Regimens
2.1 pH
Standard Deviation 1.5
2.5 pH
Standard Deviation 1.4
2.5 pH
Standard Deviation 3

SECONDARY outcome

Timeframe: 1 day

The patients will be evaluated for complications namely decrease in oxygen saturation during the procedure (Esophagogastroduodenoscopy and colonoscopy) in three groups.

Outcome measures

Outcome measures
Measure
Split Dose Colonoscopy Preparation
n=21 Participants
Esophagogastroduodenoscopy and colonoscopy - split dose - ½ evening before and ½ early AM (4L volume or 2L volume bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Evening Before Colonoscopy Preparation
n=187 Participants
Esophagogastroduodenoscopy and colonoscopy - Evening before (4L, 2L or miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Same Day Prep Colonoscopy Preparation
n=241 Participants
Esophagogastroduodenoscopy and colonoscopy - Same day prep (4L volume or 2L volume or Miralax bowel preparation) Esophagogastroduodenoscopy and colonoscopy: Patients undergoing a combined EGD (esophagogastroduodenoscopy) and a colonoscopy.
Procedure Complications (Decrease in Oxygen Saturation)
1 participants
6 participants
11 participants

Adverse Events

Split Dose Colonoscopy Preparation

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

Evening Before Colonoscopy Preparation

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

Same Day Prep Colonoscopy Preparation

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Alison Schneider

Cleveland Clinic Florida

Phone: 954-659-5646

Results disclosure agreements

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