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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT02601079
Other study ID # Endodrill I
Secondary ID
Status Terminated
Phase N/A
First received
Last updated
Start date September 2016
Est. completion date June 2019

Study information

Verified date March 2020
Source Region Skane
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Endodrill is a new instrument for biopsy sampling in the GI-channel. The purposes of this study are as follows:

- Compare the Endodrill instrument with conventional biopsy forceps in terms of ability to establish the correct diagnosis based on collected biopsies of tumors in the upper GI tract.

- Based on the quality of the collected tissue samples we want to evaluate which instrument generates the most useful material for genetic studies of the tumor.


Description:

Endodrill is a newly constructed biopsy tool for flexible endoscopic use. It uses a drilling motion within a casing to harvest solid biopsies from tissue through the biopsy channel of a conventional flexible endoscope. It was originally designed for sampling of tissue from submucosal lesions. The investigatorsĀ“ first study of the instrument is now finished. Endodrill is safe to use and generates more submucosal tissue compared to biopsies with a conventional biopsy forceps.

In this study the investigators want to compare the Endodrill instrumentĀ“s ability to obtain representative tissue samples from tumors in the distal esophagus and cardia with a conventional biopsy forceps. In addition the investigators want to compare the tissue samples in terms of weight, quality, artefacts and whether either instrument is more suited for collecting tissue for genetic analysis. Such analysis will be conducted with Next-Generation Sequensing (NGS) of the whole exome, Whole Exome Sequensing (WES). In the event of positive results from these analysis the investigators will also conduct RNA-sequencing of the tumor tissue in order to start pre-operative mapping of genetic abnormalities.

20 patients will be enrolled for this study. For each patient the investigators will collect 10 biopsies, 5 biopsies each with conventional biopsy and the Endodrill instrument respectively. The order will be randomized for each patient. For each specific biopsy the investigator will choose a particular site on the suspected tumor tissue without knowing which instrument that will be used for the biopsy. This procedure will be repeated for all 10 biopsies.


Recruitment information / eligibility

Status Terminated
Enrollment 7
Est. completion date June 2019
Est. primary completion date May 30, 2019
Accepts healthy volunteers No
Gender All
Age group 18 Years to 85 Years
Eligibility Inclusion Criteria:

- Patients diagnosed with adenocarcinoma of the distal esophagus/cardia or stomach capable of stating a formal consent to participate in the study.

Exclusion Criteria:

- Mental illness

- Extreme co-morbidity (ASA >3)

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Endodrill Biopsy
Testing a new device for taking tissue biopsies in the GI tract. The investigators will use the Endodrill instrument in order to sample high quality biopsies from tumor tissue in the distal esophagus and cardia. The investigators will also investigate to what extent the Endodrill instrument can generate biopsies with the correct diagnosis and also evaluate the possibility for genetic studies of the harvested tumor tissue.
Conventional Biopsy forceps
Using a conventional biopsy forceps for taking tissue biopsies in the GI tract. The investigators will use conventional biopsy forceps in order to sample high quality biopsies from tumor tissue in the distal esophagus and cardia. The investigators will also investigate to what extent the conventional biopsy forceps can generate biopsies with the correct diagnosis and also evaluate the possibility for genetic studies of the harvested tumor tissue.

Locations

Country Name City State
Sweden University Hospital of Lund Lund Skane

Sponsors (1)

Lead Sponsor Collaborator
Region Skane

Country where clinical trial is conducted

Sweden, 

Outcome

Type Measure Description Time frame Safety issue
Primary Highest proportion (number) of representative biopsies for diagnostic purposes from the tumor tissue. 12 months
Secondary Number of genetic point mutations in tissue harvested from esophageal neoplasms prior to neoadjuvant oncological treatment. 12 months
Secondary Number of fusion genes in tissue harvested from esophageal neoplasms prior to neoadjuvant oncological treatment. 12 months
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