Hepatic CancerNCT03307811
Endoscopic Ultrasound Guided Liver Biopsy
A study testing 22 gauge needle liver biopsy in people with Hepatic Cancer and Hepatic Neoplasm, run by AdventHealth at 1 site in United States.
Trial summary
This is a prospective study to determine the optimal technique for obtaining liver tissue with a smaller caliber (22 gauge) needle and whether a good core biopsy can be obtained without the use of suction and secondly to determine the diagnostic yield and safety of 22 g Fine Needle Biopsy needle for liver biopsy. Read more about this study
- Who is it for?
- Ages 19 years and older
- Conditions the study is for
- Hepatic Cancer, Hepatic Neoplasm, Hepatic Carcinoma
- What is being tested?
- 22 gauge needle liver biopsy
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 40 participants
- Where
- 1 siteUnited States
- Study dates
- 1 Aug 2017to 1 Oct 2018
- Phase
- Interventional
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 19 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- All patients referred to Florida Hospital Endoscopy Unit for assessment of elevated liver tests with EUS and are found to have no obstructive lesion to explain elevation of liver tests and will not require ERCP.
- Age ≥ 19 years
- Willing to provide informed consent verbal or written.
Who cannot join
- Age <19 years
- Unable to safely undergo EUS for any reason
- Coagulopathy (INR >1.6, Thrombocytopenia with platelet count <50,000/ml) for subjects on anti-coagulation therapy.
- Unwilling or cognitively unable to provide informed consent verbal or written.
- Pregnancy (confirmed with Standard of Care urine pregnancy test for all women with child-bearing potential only)
Trial locations and contacts
1 site in 1 country.
United States1 site
Center for Interventional Endoscopy - Florida Hospital
Orlando, Florida, 32803
About this study
Official title: Endoscopic Ultrasound Guided Liver Biopsy Using a 22 Gauge Fine Needle Biopsy Needle.
This is a prospective study to determine the optimal technique for obtaining liver tissue with a smaller caliber (22 gauge) needle and whether a good core biopsy can be obtained without the use of suction and secondly to determine the diagnostic yield and safety of 22 g Fine Needle Biopsy needle for liver biopsy.
Read the detailed description
Liver biopsy (LB) has historically been performed by percutaneous route without image guidance (blind biopsy). However, in the last several years there has been more reliance on image guidance ultrasound-guided (USG) or computed tomography (CT) to direct the needle into the liver with the hope of limiting complications. Other ways of performing liver biopsy are transjugular fluoroscopy guided approach when percutaneous route is deemed not safe because of coagulopathy or ascites. Surgical LB (either laparoscopic or open) is yet another way of obtaining liver tissue.
Endoscopic ultrasound guided liver biopsy (EUS-LB) is proposed as a newer method that may offer several potential advantages over existing techniques for attaining liver tissue. It can be performed in an outpatient setting and offers the comfort of sedation and analgesia. Endoscopic Ultrasound (EUS) provides high resolution images of left lobe of the liver and a good portion of the right lobe of the liver. This coupled with Doppler capability the biopsy needle can be safely directed into the liver for sampling under real time image guidance. Intervening structures such as pleura, bowel loops and gallbladder can be easily seen by EUS and thus avoided that further decreases the risk of adverse events. It has been recognized that sampling error can lead to diagnostic inaccuracy of a biopsy from a single site. As compared to USG or CT scan the EUS allows easy and safe biopsy of both left and right lobes of the liver during same setting, potentially addressing concerns about sampling error.
The cost of the endoscopic procedure is the main expense of EUS-LB. Thus this approach is best used for patients requiring EUS for evaluation of elevated liver tests. If no obstructive lesion is identified by EUS that will require endoscopic retrograde cholangiopancreatography (ERCP) then it would cost-effective to perform EUS-LB during the same setting without much additional time and risks. This approach can spare the patient the additional discomfort and expense of a second dedicated LB procedure by any of the other available techniques (percutaneous, transjugular etc.). In such setting the equipment costs for the EUS-LB will mainly include only the Fine Needle Biopsy (FNB) needle, which is similar in expense to the cost of needles for the transjugular or percutaneous approach.
The traditionally used transcutaneous LB needle is 16 gauge (G) while largest EUS biopsy needle is 19 G. The smaller size of the needle is expected to decrease the complications rate (mainly pain and bleeding) even further. Many studies using a 19 G Tru-cut biopsy or Fine Needle Aspiration (FNA) needle to acquire liver tissue have obtained specimens adequate for histologic diagnosis but there has been a wide range of specimen adequacy (19-100%). The 19 G Tru-cut biopsy needle has been associated with several technical difficulties that could reflect negatively on tissue adequacy.
While it is easy and straight forward to biopsy the left lobe of the liver with any EUS needle. The 19 G needle is a large bore needle for EUS use and it is sometimes difficult to attain an adequate position for biopsy specially in duodenum where scope is torqued and this is the only area of access to right lobe.
In this study the investigators will use a 22 G needle. Smaller caliber of the needle would not only make it technically easier to access right lobe of the liver through the duodenum, it is also expected to decrease the risks further due to smaller size. Also, the 22 G EUS-FNB needle has three cutting points at the cutting edge of the needle that provide stability at puncture while the high quality, fully formed heels are designed to maximize tissue capture and minimize fragmentation, that would result in attaining a good histological specimen, a main stay for liver biopsy.
- Conditions
- Hepatic Cancer, Hepatic Neoplasm, Hepatic Carcinoma
- Being tested
- 22 gauge needle liver biopsy
- Keywords
- liver, biopsy, hepatic, EUS, fine needle biopsy
- Medical subject headings
- Liver Neoplasms, Carcinoma, Hepatocellular
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
22 gauge needle liver biopsyOther
EUS will be performed. Specimens obtained from each pass will be placed in a separate biopsy jar. If the third pass does not result in sufficient diagnostic material, a 19 G will be used. A maximum of 3 passes will be made using the alternate needle. The total number of passes with the 22 G needle and the 19 G needle is 6. Data will be collected about the procedure and the performance of the needles for each procedure.
| Study group | Role | What they receive |
|---|---|---|
| 22 gauge needle liver biopsy | Experimental | EUS-LB will be performed using a 22 g FNB needle. Specimens obtained from each pass will be placed in a separate biopsy jar. If the third pass does not result in sufficient diagnostic material, a 19 G will be used. A maximum of 3 passes will be made using the alternate needle. The total number of passes with the 22 G needle and the 19 G needle is 6. Data will be collected about the procedure and the performance of the needles for each procedure. Receives: Other: 22 gauge needle liver biopsy |
What is being measured
The primary outcome is the main question the study is designed to answer.
Diagnostic adequacy of the liver biopsy specimen
Determine the diagnostic adequacy of the liver biopsy specimen by obtaining a histological specimen using a smaller (22 G) caliber needle. Diagnostic adequacy is defined as a sample that provides definitive pathological diagnosis (yes, no).
Measured: Sample obtained during EUS-guided liver biopsy.
Secondary outcomes (7)
Visible core
The sample will have a visible core (yes/no).
Measured: Sample obtained during EUS-guided liver biopsy.
Suction
Sample was obtained using suction (yes/no).
Measured: Sample obtained during EUS-guided liver biopsy.
Number of passes required histological samples
Assessing the median number of passes required to obtain diagnostically adequate histological samples histological samples
Measured: Time of Liver biopsy
Technical failure
Was there a technical failure (yes/no).
Measured: Time of Liver biopsy
Complications/Bleeding
Assessing subjects for post-procedural complications via follow up phone calls. Bleeding (yes/no).
Measured: 1 month
Complications/Pain
Assessing subjects for post-procedural complications via follow up phone calls. Pain (yes/no).
Measured: 1 month
Complications/Infection
Assessing subjects for post-procedural complications via follow up phone calls. Infection (yes/no).
Measured: 1 Month
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted12 Oct 2017
- Study start1 Aug 2017
- Primary completion19 Jun 2018
- Study completion1 Oct 2018
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (9)Papers the sponsor has linked to this study.
- Other trials for Hepatic CancerStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 40 participants (actual)
Sponsor and investigators
- Lead sponsor
- AdventHealth
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Muhammad Hasan, MD, Principal investigator, Florida Hospital - Center for Interventional Endoscopy
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03307811
- Sponsor's protocol ID
- 1055744
- Status last verified
- Feb 2019
- First submitted
- 17 Jul 2017
- Last updated
- 11 Feb 2019
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- No: There is no plan to share the individual participant data with other researchers.
Publications
Rockey DC, Caldwell SH, Goodman ZD, Nelson RC, Smith AD; American Association for the Study of Liver Diseases. Liver biopsy. Hepatology. 2009 Mar;49(3):1017-44. doi: 10.1002/hep.22742. No abstract available.
PubMed 19243014Kalambokis G, Manousou P, Vibhakorn S, Marelli L, Cholongitas E, Senzolo M, Patch D, Burroughs AK. Transjugular liver biopsy--indications, adequacy, quality of specimens, and complications--a systematic review. J Hepatol. 2007 Aug;47(2):284-94. doi: 10.1016/j.jhep.2007.05.001. Epub 2007 May 24.
PubMed 17561303Mathew A. EUS-guided routine liver biopsy in selected patients. Am J Gastroenterol. 2007 Oct;102(10):2354-5. doi: 10.1111/j.1572-0241.2007.01353_7.x. No abstract available.
PubMed 17897349Gleeson FC, Clayton AC, Zhang L, Clain JE, Gores GJ, Rajan E, Smyrk TC, Topazian MD, Wang KK, Wiersema MJ, Levy MJ. Adequacy of endoscopic ultrasound core needle biopsy specimen of nonmalignant hepatic parenchymal disease. Clin Gastroenterol Hepatol. 2008 Dec;6(12):1437-40. doi: 10.1016/j.cgh.2008.07.015. Epub 2008 Jul 26.
PubMed 19081532Dewitt J, McGreevy K, Cummings O, Sherman S, Leblanc JK, McHenry L, Al-Haddad M, Chalasani N. Initial experience with EUS-guided Tru-cut biopsy of benign liver disease. Gastrointest Endosc. 2009 Mar;69(3 Pt 1):535-42. doi: 10.1016/j.gie.2008.09.056.
PubMed 19231495Stavropoulos SN, Im GY, Jlayer Z, Harris MD, Pitea TC, Turi GK, Malet PF, Friedel DM, Grendell JH. High yield of same-session EUS-guided liver biopsy by 19-gauge FNA needle in patients undergoing EUS to exclude biliary obstruction. Gastrointest Endosc. 2012 Feb;75(2):310-8. doi: 10.1016/j.gie.2011.09.043.
PubMed 22248599Nakai Y, Samarasena JB, Iwashita T, Park DH, Lee JG, Hu KQ, Chang KJ. Autoimmune hepatitis diagnosed by endoscopic ultrasound-guided liver biopsy using a new 19-gauge histology needle. Endoscopy. 2012;44 Suppl 2 UCTN:E67-8. doi: 10.1055/s-0031-1291567. Epub 2012 Mar 6. No abstract available.
PubMed 22396285Maharaj B, Maharaj RJ, Leary WP, Cooppan RM, Naran AD, Pirie D, Pudifin DJ. Sampling variability and its influence on the diagnostic yield of percutaneous needle biopsy of the liver. Lancet. 1986 Mar 8;1(8480):523-5. doi: 10.1016/s0140-6736(86)90883-4.
PubMed 2869260Diehl DL, Johal AS, Khara HS, Stavropoulos SN, Al-Haddad M, Ramesh J, Varadarajulu S, Aslanian H, Gordon SR, Shieh FK, Pineda-Bonilla JJ, Dunkelberger T, Gondim DD, Chen EZ. Endoscopic ultrasound-guided liver biopsy: a multicenter experience. Endosc Int Open. 2015 Jun;3(3):E210-5. doi: 10.1055/s-0034-1391412. Epub 2015 Feb 27.
PubMed 26171433
Study at a glance
From the registry record, last updated by the sponsor on 11 Feb 2019. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Endoscopic Ultrasound Guided Liver Biopsy Using a 22 Gauge Fine Needle Biopsy Needle.
- ClinicalTrials.gov ID
- NCT03307811
- Acronym / sponsor ID
- 1055744
- Conditions
- Hepatic Cancer, Hepatic Neoplasm, Hepatic Carcinoma
- Keywords
- liver, biopsy, hepatic, EUS, fine needle biopsy
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 40 participants (actual)
- Lead sponsor
- AdventHealthUniversity, hospital or other
- Study start
- 1 Aug 2017 (actual)
- Primary completion
- 19 Jun 2018 (actual)
- Study completion
- 1 Oct 2018 (actual)
- First posted
- 12 Oct 2017 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This is a prospective study to determine the optimal technique for obtaining liver tissue with a smaller caliber (22 gauge) needle and whether a good core biopsy can be obtained without the use of suction and secondly to determine the diagnostic yield and safety of 22 g Fine Needle Biopsy needle for liver biopsy.
Detailed description
Liver biopsy (LB) has historically been performed by percutaneous route without image guidance (blind biopsy). However, in the last several years there has been more reliance on image guidance ultrasound-guided (USG) or computed tomography (CT) to direct the needle into the liver with the hope of limiting complications. Other ways of performing liver biopsy are transjugular fluoroscopy guided approach when percutaneous route is deemed not safe because of coagulopathy or ascites. Surgical LB (either laparoscopic or open) is yet another way of obtaining liver tissue.
Endoscopic ultrasound guided liver biopsy (EUS-LB) is proposed as a newer method that may offer several potential advantages over existing techniques for attaining liver tissue. It can be performed in an outpatient setting and offers the comfort of sedation and analgesia. Endoscopic Ultrasound (EUS) provides high resolution images of left lobe of the liver and a good portion of the right lobe of the liver. This coupled with Doppler capability the biopsy needle can be safely directed into the liver for sampling under real time image guidance. Intervening structures such as pleura, bowel loops and gallbladder can be easily seen by EUS and thus avoided that further decreases the risk of adverse events. It has been recognized that sampling error can lead to diagnostic inaccuracy of a biopsy from a single site. As compared to USG or CT scan the EUS allows easy and safe biopsy of both left and right lobes of the liver during same setting, potentially addressing concerns about sampling error.
The cost of the endoscopic procedure is the main expense of EUS-LB. Thus this approach is best used for patients requiring EUS for evaluation of elevated liver tests. If no obstructive lesion is identified by EUS that will require endoscopic retrograde cholangiopancreatography (ERCP) then it would cost-effective to perform EUS-LB during the same setting without much additional time and risks. This approach can spare the patient the additional discomfort and expense of a second dedicated LB procedure by any of the other available techniques (percutaneous, transjugular etc.). In such setting the equipment costs for the EUS-LB will mainly include only the Fine Needle Biopsy (FNB) needle, which is similar in expense to the cost of needles for the transjugular or percutaneous approach.
The traditionally used transcutaneous LB needle is 16 gauge (G) while largest EUS biopsy needle is 19 G. The smaller size of the needle is expected to decrease the complications rate (mainly pain and bleeding) even further. Many studies using a 19 G Tru-cut biopsy or Fine Needle Aspiration (FNA) needle to acquire liver tissue have obtained specimens adequate for histologic diagnosis but there has been a wide range of specimen adequacy (19-100%). The 19 G Tru-cut biopsy needle has been associated with several technical difficulties that could reflect negatively on tissue adequacy.
While it is easy and straight forward to biopsy the left lobe of the liver with any EUS needle. The 19 G needle is a large bore needle for EUS use and it is sometimes difficult to attain an adequate position for biopsy specially in duodenum where scope is torqued and this is the only area of access to right lobe.
In this study the investigators will use a 22 G needle. Smaller caliber of the needle would not only make it technically easier to access right lobe of the liver through the duodenum, it is also expected to decrease the risks further due to smaller size. Also, the 22 G EUS-FNB needle has three cutting points at the cutting edge of the needle that provide stability at puncture while the high quality, fully formed heels are designed to maximize tissue capture and minimize fragmentation, that would result in attaining a good histological specimen, a main stay for liver biopsy.
Study design
- Primary purpose
- Diagnosis
- Allocation
- Not applicable
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| 22 gauge needle liver biopsy | Experimental | Other: 22 gauge needle liver biopsyEUS-LB will be performed using a 22 g FNB needle. Specimens obtained from each pass will be placed in a separate biopsy jar. If the third pass does not result in sufficient diagnostic material, a 19 G will be used. A maximum of 3 passes will be made using the alternate needle. The total number of passes with the 22 G needle and the 19 G needle is 6. Data will be collected about the procedure and the performance of the needles for each procedure. |
Who may qualify
- Ages
- 19 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (3 listed)
- All patients referred to Florida Hospital Endoscopy Unit for assessment of elevated liver tests with EUS and are found to have no obstructive lesion to explain elevation of liver tests and will not require ERCP.
- Age ≥ 19 years
- Willing to provide informed consent verbal or written.
Key exclusion criteria (5 listed)
- Age <19 years
- Unable to safely undergo EUS for any reason
- Coagulopathy (INR >1.6, Thrombocytopenia with platelet count <50,000/ml) for subjects on anti-coagulation therapy.
- Unwilling or cognitively unable to provide informed consent verbal or written.
- Pregnancy (confirmed with Standard of Care urine pregnancy test for all women with child-bearing potential only)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| 22 gauge needle liver biopsyEUS will be performed. Specimens obtained from each pass will be placed in a separate biopsy jar. If the third pass does not result in sufficient diagnostic material, a 19 G will be used. A maximum of 3 passes will be made using the alternate needle. The total number of passes with the 22 G needle and the 19 G needle is 6. Data will be collected about the procedure and the performance of the needles for each procedure. | Other | 22 gauge needle liver biopsy |
Primary outcome
Diagnostic adequacy of the liver biopsy specimen
Time frame: Sample obtained during EUS-guided liver biopsy.
Determine the diagnostic adequacy of the liver biopsy specimen by obtaining a histological specimen using a smaller (22 G) caliber needle. Diagnostic adequacy is defined as a sample that provides definitive pathological diagnosis (yes, no).
7 secondary outcomes
Visible core
Time frame: Sample obtained during EUS-guided liver biopsy.
Suction
Time frame: Sample obtained during EUS-guided liver biopsy.
Number of passes required histological samples
Time frame: Time of Liver biopsy
Technical failure
Time frame: Time of Liver biopsy
Complications/Bleeding
Time frame: 1 month
Complications/Pain
Time frame: 1 month
Complications/Infection
Time frame: 1 Month
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 11 Feb 2019.
- Background: PubMed 19243014Rockey DC, Caldwell SH, Goodman ZD, Nelson RC, Smith AD; American Association for the Study of Liver Diseases. Liver biopsy. Hepatology. 2009 Mar;49(3):1017-44. doi: 10.1002/hep.22742. No abstract available.
- Background: PubMed 17561303Kalambokis G, Manousou P, Vibhakorn S, Marelli L, Cholongitas E, Senzolo M, Patch D, Burroughs AK. Transjugular liver biopsy--indications, adequacy, quality of specimens, and complications--a systematic review. J Hepatol. 2007 Aug;47(2):284-94. doi: 10.1016/j.jhep.2007.05.001. Epub 2007 May 24.
- Background: PubMed 17897349Mathew A. EUS-guided routine liver biopsy in selected patients. Am J Gastroenterol. 2007 Oct;102(10):2354-5. doi: 10.1111/j.1572-0241.2007.01353_7.x. No abstract available.
- Background: PubMed 19081532Gleeson FC, Clayton AC, Zhang L, Clain JE, Gores GJ, Rajan E, Smyrk TC, Topazian MD, Wang KK, Wiersema MJ, Levy MJ. Adequacy of endoscopic ultrasound core needle biopsy specimen of nonmalignant hepatic parenchymal disease. Clin Gastroenterol Hepatol. 2008 Dec;6(12):1437-40. doi: 10.1016/j.cgh.2008.07.015. Epub 2008 Jul 26.
- Background: PubMed 19231495Dewitt J, McGreevy K, Cummings O, Sherman S, Leblanc JK, McHenry L, Al-Haddad M, Chalasani N. Initial experience with EUS-guided Tru-cut biopsy of benign liver disease. Gastrointest Endosc. 2009 Mar;69(3 Pt 1):535-42. doi: 10.1016/j.gie.2008.09.056.
- Background: PubMed 22248599Stavropoulos SN, Im GY, Jlayer Z, Harris MD, Pitea TC, Turi GK, Malet PF, Friedel DM, Grendell JH. High yield of same-session EUS-guided liver biopsy by 19-gauge FNA needle in patients undergoing EUS to exclude biliary obstruction. Gastrointest Endosc. 2012 Feb;75(2):310-8. doi: 10.1016/j.gie.2011.09.043.
- Background: PubMed 22396285Nakai Y, Samarasena JB, Iwashita T, Park DH, Lee JG, Hu KQ, Chang KJ. Autoimmune hepatitis diagnosed by endoscopic ultrasound-guided liver biopsy using a new 19-gauge histology needle. Endoscopy. 2012;44 Suppl 2 UCTN:E67-8. doi: 10.1055/s-0031-1291567. Epub 2012 Mar 6. No abstract available.
- Background: PubMed 2869260Maharaj B, Maharaj RJ, Leary WP, Cooppan RM, Naran AD, Pirie D, Pudifin DJ. Sampling variability and its influence on the diagnostic yield of percutaneous needle biopsy of the liver. Lancet. 1986 Mar 8;1(8480):523-5. doi: 10.1016/s0140-6736(86)90883-4.
- Background: PubMed 26171433Diehl DL, Johal AS, Khara HS, Stavropoulos SN, Al-Haddad M, Ramesh J, Varadarajulu S, Aslanian H, Gordon SR, Shieh FK, Pineda-Bonilla JJ, Dunkelberger T, Gondim DD, Chen EZ. Endoscopic ultrasound-guided liver biopsy: a multicenter experience. Endosc Int Open. 2015 Jun;3(3):E210-5. doi: 10.1055/s-0034-1391412. Epub 2015 Feb 27.
- Individual participant dataSharing planned: No. There is no plan to share the individual participant data with other researchers.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Muhammad Hasan, MD principal investigator
Florida Hospital - Center for Interventional Endoscopy
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing 22 gauge needle liver biopsy in people with Hepatic Cancer and Hepatic Neoplasm, run by AdventHealth at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 11 Feb 2019. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Diagnostic adequacy of the liver biopsy specimen (time frame: Sample obtained during EUS-guided liver biopsy.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03307811, which also lists 9 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Feb 2019.