Trial Outcomes & Findings for Comparison of 19g FNA and 19g FNB Needles for EUS-LB (NCT NCT03408171)

NCT ID: NCT03408171

Last Updated: 2020-04-14

Results Overview

Pre-processing Length of the longest piece (LLP) measured in centimeter

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

40 participants

Primary outcome timeframe

up to 5 days

Results posted on

2020-04-14

Participant Flow

Participant milestones

Participant milestones
Measure
19-gauge FNA Needle
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Overall Study
STARTED
20
20
Overall Study
COMPLETED
20
20
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Comparison of 19g FNA and 19g FNB Needles for EUS-LB

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Total
n=40 Participants
Total of all reporting groups
Age, Continuous
51 Years
n=5 Participants
49 Years
n=7 Participants
51 Years
n=5 Participants
Sex: Female, Male
Female
9 Participants
n=5 Participants
10 Participants
n=7 Participants
19 Participants
n=5 Participants
Sex: Female, Male
Male
11 Participants
n=5 Participants
10 Participants
n=7 Participants
21 Participants
n=5 Participants
Race/Ethnicity, Customized
White (Non-hispanic)
18 participants
n=5 Participants
16 participants
n=7 Participants
34 participants
n=5 Participants
Race/Ethnicity, Customized
White (Hispanic)
1 participants
n=5 Participants
3 participants
n=7 Participants
4 participants
n=5 Participants
Race/Ethnicity, Customized
Afroamerican
0 participants
n=5 Participants
1 participants
n=7 Participants
1 participants
n=5 Participants
Race/Ethnicity, Customized
Asian
1 participants
n=5 Participants
0 participants
n=7 Participants
1 participants
n=5 Participants
Region of Enrollment
United States
20 Participants
n=5 Participants
20 Participants
n=7 Participants
40 Participants
n=5 Participants

PRIMARY outcome

Timeframe: up to 5 days

Pre-processing Length of the longest piece (LLP) measured in centimeter

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Pre-processing Length of the Longest Piece (LLP)
1.47 centimeter
Standard Deviation 0.46
2.09 centimeter
Standard Deviation 0.41

SECONDARY outcome

Timeframe: 3-5 days

Post-processing Length of the longest piece (LLP) measured in centimeter

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Post-processing Length of the Longest Piece (LLP)
1.05 centimeter
Standard Deviation 0.42
1.78 centimeter
Standard Deviation 0.66

SECONDARY outcome

Timeframe: 3-5 days

Pre-processing Length of the longest piece (LLP) subgroups: \< 2 cm \> 2cm

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Number of Participants With LLP Pre-processing Length Less Than 2 cm or Greater Than 2 cm
> 2 cm
3 Participants
10 Participants
Number of Participants With LLP Pre-processing Length Less Than 2 cm or Greater Than 2 cm
< 2 cm
17 Participants
10 Participants

SECONDARY outcome

Timeframe: 3-5 days

Pre-processing Aggregate specimen length (ASL) measured in centimeter

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Pre-processing Aggregate Specimen Length (ASL)
10.89 centimeter
Standard Deviation 4.38
15.78 centimeter
Standard Deviation 5.19

SECONDARY outcome

Timeframe: 3-5 days

Post-processing Aggregate specimen length (ASL) measured in centimeter

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Post-processing Aggregate Specimen Length (ASL)
11.4 centimeter
Standard Deviation 5.55
15.32 centimeter
Standard Deviation 5.24

SECONDARY outcome

Timeframe: 3-5 days

Number of portal triads (PT) in the specimen.

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Portal Triads Number (Mean)
18.1 Portal Triads
Standard Deviation 9.3
42.6 Portal Triads
Standard Deviation 25

SECONDARY outcome

Timeframe: 3-5 days

Number of portal triads (PT) in the specimen.

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Portal Triads Quantity (Median)
16.5 Complete number of portal triads
Interval 6.0 to 38.0
38 Complete number of portal triads
Interval 0.0 to 81.0

SECONDARY outcome

Timeframe: 3-5 days

Portal triads groups, n (%) \< 11 Portal triads \> 11 Portal triads

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Number of Participants With Fewer Than 11 Portal Triads or More Than 11 Portal Triads
< 11 Portal triads
6 Participants
2 Participants
Number of Participants With Fewer Than 11 Portal Triads or More Than 11 Portal Triads
> Portal triads
14 Participants
18 Participants

SECONDARY outcome

Timeframe: 3-5 days

No. of fragments \> 9 mm, mean (SD) Pre-processing Post-processing

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
No. of Fragments > 9 mm, Mean (SD)
Pre-processing
3.5 Number of Fragments
Standard Deviation 2.4
7.7 Number of Fragments
Standard Deviation 3.7
No. of Fragments > 9 mm, Mean (SD)
Post-processing
1.1 Number of Fragments
Standard Deviation 1
4.8 Number of Fragments
Standard Deviation 3.6

SECONDARY outcome

Timeframe: 3-5 days

Number of cases for which a histologic diagnosis could be made based upon the amount of tissue obtained with the needle.

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Specimen Quality for Histologic Diagnosis
20 Participants
20 Participants

SECONDARY outcome

Timeframe: Number Analyzed

Outcome measures

Outcome measures
Measure
19-gauge FNA Needle
n=20 Participants
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 Participants
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Length of Longest Piece
32.3 mm
Interval 21.6 to 49.5
30.2 mm
Interval 21.6 to 50.0

Adverse Events

19-gauge FNA Needle

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

19-gauge FNB Needle

Serious events: 0 serious events
Other events: 7 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
19-gauge FNA Needle
n=20 participants at risk
A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle. 19-gauge FNA needle: A 19-gauge FNA needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNB needle.
19-gauge FNB Needle
n=20 participants at risk
A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle. 19-gauge FNB needle: A 19-gauge FNB needle will be used to obtain liver tissue during an endoscopic-ultrasound guided liver biopsy. Tissue yield and diagnostic accuracy will be assessed and compared to that of the 19-gauge FNA needle.
Gastrointestinal disorders
Abdominal pain
40.0%
8/20 • 1 week
35.0%
7/20 • 1 week
Nervous system disorders
Headache
0.00%
0/20 • 1 week
5.0%
1/20 • 1 week
Musculoskeletal and connective tissue disorders
Back pain
5.0%
1/20 • 1 week
0.00%
0/20 • 1 week

Additional Information

David L. Diehl, MD

Geisinger Medical Center

Phone: 570-214-2411

Results disclosure agreements

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