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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT04285554
Other study ID # 932
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date July 28, 2020
Est. completion date December 19, 2022

Study information

Verified date March 2023
Source Metavention
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The objective of this early feasibility study is to evaluate the safety and performance of intravascular hepatic denervation using the Metavention Integrated Radio Frequency Denervation System (iRF System) to improve glycemic control in type 2 diabetes subjects.


Recruitment information / eligibility

Status Completed
Enrollment 15
Est. completion date December 19, 2022
Est. primary completion date March 2, 2022
Accepts healthy volunteers No
Gender All
Age group 22 Years to 70 Years
Eligibility Inclusion Criteria: 1. Age =22 and =70 years old 2. Type 2 diabetes diagnosis meeting the following criteria: 1. HbA1c > 7.0% and = 9.0% (53 mmol/mol - 75 mmol/mol), AND 2. On at least two anti-diabetic medications; one at the highest tolerated dose with no changes in medication dose in the 12 weeks prior to the first screening visit 3. Waist circumference =102 cm (male) and =88cm (female) 4. Diagnosis of hypertension: SBP =140mmHg OR SBP =130mmHg on hypertension medication(s) 5. Documented status of stable lifestyle modifications 6. Women of childbearing potential (WOCBP) must be using at least one acceptable method of contraception throughout the study Exclusion Criteria: 1. BMI >40 kg/m2 2. Diagnosis of type 1 diabetes 3. Use of insulin within 90 days of consent 4. Two or more self-reported or documented severe hypoglycemia events (severe hypoglycemia event defined as: hypoglycemia associated with severe cognitive impairment requiring external assistance for recovery) in the 180 days prior to Index Procedure 5. One or more documented hyperglycemia episodes requiring hospitalization in the 180-days prior to Index Procedure 6. During medication run in period, uncontrolled hyperglycemia noted by a fasting glucose value of >270mg/dL or >360mg/dL at any point that is then confirmed by a second measurement (not on the same day) 7. A history of bariatric surgery, renal denervation, baroreflex activation therapy, or liver transplant, or these procedures are planned in the 365 days following Index Procedure 8. Any surgical procedure within 30 days prior to Index Procedure 9. History of or current symptomatic gallstones (e.g., cholecystitis, bile duct dilatation) without a cholecystectomy being performed (Note: subjects who have had a cholecystectomy are not excluded) 10. Previous hepatobiliary surgery/intervention that in the opinion of the investigator could preclude the ability to perform denervation of the common hepatic artery 11. Currently taking the following medications within 90 days prior to screening and/or there is a need or anticipated need for these medications during the study: 1. Systemic corticosteroids 2. Anticonvulsants 3. Centrally acting sympatholytics 12. Use of anticoagulation therapy which cannot be discontinued from 7 days before to 14 days after the Index Procedure 13. Any other condition(s) that would compromise the safety of the Subject or compromise study quality as judged by the Investigator 14. eGFR <45 mL/min/1.73 m2 15. History or diagnosis of proliferative retinopathy or advanced autonomic neuropathy (e.g., orthostatic hypotension attributable to autonomic neuropathy, a diagnosis of gastroparesis, or a clinical history strongly suggestive of delayed gastric emptying) 16. Myocardial infarction, unstable angina within 1 year prior to consent 17. Widespread atherosclerosis with documented intravascular thrombosis or unstable plaques 18. Documented history or concurrent signs of significant thyroid disease NOTE: If a subject is on chronic thyroid drug treatment, and has a serum TSH test result in normal range at Screening they may enter study 19. Uncorrectable bleeding diathesis, platelet dysfunction, thrombocytopenia with platelet count <100,000/microliter, or documented coagulopathy 20. Significant alcohol consumption, defined as more than 2 drink units per day (equivalent to 20 g) in women and 3 drink units per day (equivalent to 30 g) in men, or inability to reliably quantify alcohol intake 21. Active substance abuse, based on Investigator judgment, including inhaled or injected drugs, within 1 year prior to the initial screening 22. Significant weight loss within the last 6 months (e.g., >10% total body weight loss) 23. Hepatic decompensation defined as the presence of any of the following: 1. Serum albumin less than 3.5 g/dL 2. International normalized ratio (INR) greater than 1.4 (unless due to therapeutic anticoagulants) 3. Total bilirubin greater than 2 mg/dL with the exception of Gilbert syndrome 4. History of esophageal varices, ascites, or hepatic encephalopathy 24. ALT or AST greater than 200 U/L 25. Diagnosis of liver cirrhosis 26. Chronic liver or biliary disease of the following etiology: 1. History or diagnosis of Hepatitis B 2. History or diagnosis of Hepatitis C 3. History or diagnosis of current active autoimmune hepatitis 4. History or diagnosis of primary biliary cholangitis (PBC) 5. History or diagnosis of primary sclerosing cholangitis 6. History or diagnosis of Wilson's disease 7. History or diagnosis of alpha-1-antitrypsin deficiency 8. History or diagnosis of hemochromatosis 9. History or evidence of drug-induced liver disease, as defined on the basis of typical exposure and history 10. Known bile duct obstruction 11. Suspected or proven liver cancer 27. History of acute or chronic pancreatitis 28. Subjects unable to undergo CT for any reason 29. Currently enrolled in any other investigational trial 30. History of an acute neurologic event including epilepsy, seizures, stroke, and transient ischemic attack. 31. Iliac/femoral artery stenosis precluding insertion of the catheter 32. Human immunodeficiency virus (HIV) 33. Subjects with a history of adverse reaction to heparin or heparin induced thrombocytopenia (HIT) 34. Subjects with conditions that can affect RBC turnover, those who have received a blood transfusion in the past 90 days, or expect to have an elective procedure during the course of the study that may require blood transfusion 35. Not a candidate for surgery or general anesthesia 36. Unwilling to comply with study requirements, including medication run-in, SMBG, patient diary and follow-up visits 37. Subjects with implantable pacemakers, implantable cardiac defibrillators or implantable neurostimulators Anatomic Exclusions from CT Angiogram 38. Replaced or accessory LHA or RHA determined on CT angiogram. 39. Vessel tortuosity or variant vascular anatomy that could preclude the access or maneuvering of the device from the femoral artery to the target location 40. Evidence of CHA and/or portal vein intraluminal thrombus 41. CHA vessel diameter <4.0mm or >7.0mm 42. CHA diameter stenosis >30% 43. CHA vessel length <20mm

Study Design


Related Conditions & MeSH terms


Intervention

Device:
iRF System Hepatic Denervation
The iRF System is a percutaneous, catheter-based device which uses RF energy to circumferentially denervate the sympathetic nerves surrounding the common hepatic artery (CHA).

Locations

Country Name City State
United States Cardiology, P.C. Birmingham Alabama
United States Metropolitan Cardiology Consultants Coon Rapids Minnesota
United States Soltero Cardiovascular Research Center Dallas Texas
United States UPMC Pinnacle Harrisburg Pennsylvania
United States South Oklahoma Heart Research, LLC Oklahoma City Oklahoma
United States AdventHealth Translational Research Institute Orlando Florida
United States Prairie Education & Research Cooperative (PERC) Springfield Illinois
United States Stanford University Medical Center Stanford California

Sponsors (1)

Lead Sponsor Collaborator
Metavention

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Rate of Serious Adverse Device Effects The incidence rate of serious adverse device effects (SADEs) from time of Index Procedure through 90 days. Index Procedure through 90 days
Secondary Change in glycemic control: HbA1c Change from baseline in glycemic control as indicated by HbA1c blood test 30, 90, 180 and 365 days
Secondary Change in glycemic control - FPG Change from baseline in glycemic control as indicated by fasting plasma glucose blood test 30, 90, 180 and 365 days
Secondary Change in glycemic control - Insulin Change from baseline in glycemic control as indicated by insulin blood test during Mixed Meal Tolerance Test 30, 90, 180 and 365 days
Secondary Change in glycemic control - C-peptide Change from baseline in glycemic control as indicated by c-peptide blood test during Mixed Meal Tolerance Test 30, 90, 180 and 365 days
Secondary Change in office blood pressure Change from baseline in office blood pressure: systolic and diastolic 30, 90, 180 and 365 days
Secondary Change in liver steatosis Change from baseline in liver steatosis from baseline as measured using MRI-PDFF 90 and 365 days
Secondary Adverse Event rate 365 days Adverse Event rate: Summary of all reported adverse events during the study Consent through 365 days
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