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News & Trends - MedTech & Diagnostics

World-first procedure to potentially eliminate need for diabetes medicines

Health Industry Hub | March 17, 2023 |

MedTech News: A ground-breaking Australian and world-first study examining a new non-surgical treatment for type 2 diabetes is now being expanded to include people in advanced stages of the disease.

Promising results from the initial cohort of the Regent-1 Study involving a new endoscopic procedure for patients on non-insulin glucose lowering medications has prompted investigators to expand the study to also review its potential as a therapy for the reduction, or even possible elimination, of insulin.

The ReCET outpatient procedure regenerates the lining of the small intestine (duodenum) using a device that sends out a series of electrical pulses across the duodenal wall. This destroys poorly functioning cells to allow the regrowth of new health cells, usually within days, without the need for any cuts, scars or surgery.

Sydney Gastroenterologist and lead clinical investigator, Dr Adrian Sartoretto, said “People with Type 2 diabetes who require insulin tend to have a longer history of diabetes and often higher risks of associated complications. We’re very excited to be able to extend the Regent-1 Study to people with Type 2 diabetes who are on insulin, to see if they can control their blood sugar levels, reduce their dose of insulin or potentially come off insulin entirely.

“We’re calling on those Australians living with Type 2 diabetes, who can only manage their diabetes through daily insulin injections to reach out to see if they’re eligible. The procedure doesn’t require surgery, is similar to a gastroscopy, and is done under general anaesthetic, and lasts about 60 minutes,” he added.

Around 1 million Australians are currently living with Type 2 diabetes, with an estimated 500,000 with type 2 diabetes remaining undiagnosed. Each year, an extra 16,000 Type 2 diabetes patients are placed on insulin therapy for the first time.

Lead co-investigator, Professor David O’Neal, St Vincent’s Hospital, Melbourne, said while the science behind the duodenal wall regeneration is still being unravelled, in people with Type 2 diabetes, the lining of the duodenum tends to be inflamed, and is denser than in people without diabetes.

“We have a new understanding of the role of special ‘signalling’ cells in the duodenum which are believed to be responsible for helping to control blood sugar levels. By regenerating the lining in the duodenum, we’re pressing a ‘re-set’ button in the small bowel which we believe to by dysfunctional in people living with Type 2 diabetes, essentially restoring that dysfunction and reinstating healthier, functioning signalling cells which allow the body to control sugar circulating in the blood.

“Improving glucose levels will not only reduce the risk of long-term complications associated with diabetes but it could also potentially reduce the financial and psychological burden associated with daily insulin injections,” Prof O’Neal said.

Patients on insulin therapy entering the trial will be treated with an advanced, second-generation device, that covers the entire duodenal wall.

Co-investigator, Professor Elif Ekinci who is the Head of Diabetes Austin Health and Director of Australian Centre for Accelerating Diabetes Innovations (ACADI), said “This cutting-edge trial is now using a new, second-generation device allowing for better duodenal wall regeneration capabilities. The new device which we’ll be using for this second phase of the trial, sends pulses across the full circumference of the duodenal wall, whereas when we first started the trial a year ago, we were limited to only being able to resurface half of that early part of the small intestine.

“Once we formally evaluate the effectiveness of the procedure, we’ll certainly be looking at its potential to become an approved therapy for people with Type 2 diabetes down the track, when all the regulatory and trial information has been assessed,” said Professor Ekinci.

The Regent-1 Study is being conducted in centres across Sydney and Melbourne including BMI Clinic Centres, Sydney, St Vincent’s Hospital, Melbourne and Austin Hospital, Melbourne. Study investigators are aiming to enrol 60 Australians into the second phase of the trial.

The interim results for the cohort of patients on non-insulin glucose lowering medications will be presented at the upcoming American Diabetes Association (ADA) congress on 23 – 26 June.

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