Is lasting remission of type 2 diabetes feasible in the real-world setting?

Professor Taylor will argue that through a series of studies in which people with type 2 diabetes were put on low calorie diets, he has shown that lasting remission of type 2 diabetes is indeed feasible in the real world.

He will begin the overview of his research by describing the Counterpoint study which, in 2011, established that it is possible to reverse type 2 diabetes by following a very low calorie diet.1

It also showed that type 2 diabetes is caused by excess fat in the liver and pancreas and loss of this intra-organ fat is key to remission.

Counterpoint was, however, a short proof-of-concept study and a further study was needed to demonstrate that the return to normal lasted beyond the low-calorie diet phase.

In 2016 the Counterbalance study, 30 people with type 2 diabetes followed a very low calorie diet (800 calories a day from shakes and soups) for eight weeks before returning to normal eating.

This demonstrated that if weight loss is maintained, type 2 diabetes can be reversed for at least six months.2

However, both of the studies were conducted in a research centre and it was important to establish whether type 2 diabetes could be reversed in primary care, where it is routinely managed.

The DiRECT trial, which was delivered by GP practices and coordinated between Newcastle and Glasgow, was designed to answer this question. 298 people with type 2 diabetes participated in this randomised controlled trial, which involved 12 weeks on a very low calorie diet, followed by weight-loss maintenance support.

Professor Taylor says: “In 2018 this ground-breaking study showed that it is possible to obtain remission from type 2 diabetes through a dietary intervention in primary care.

“At 1 year, the intervention group were 10 kg (22lb) lighter, on average, than at baseline and almost half (46%) were in remission from diabetes – they were off all glucose-lowering drugsAt 2 years, they were still 8.8kg (19.4lb) lighter than at baseline and 36% were in remission.3

“We then extended the study for a further three years to investigate the longer-term benefits of the programme.  Participants in the extension study received nurse or dietitian appointments at their GP surgery every three months, during which they were offered advice on maintaining their weight loss.

“Those who were most successful in avoiding weight regain remained in remission. After five years, they were still 8.9kg (19.6lb) below baseline and were still in remission.  However, this was only 23% of those who were in remission at 2 years, as the intervention group as a whole had regained some weight.

“The message here is that only those who can keep the weight off stay in remission – and that it is certain that type 2 diabetes will return in those who return to their original weight.”

Professor Taylor’s body of work has also established the underlying cause of type 2 diabetes – and the biology of remission.

He has shown that excess fat in the liver prevents insulin from working properly.  It also increases the normal process of export of fat to the body’s tissues, including the pancreas, where it stops the insulin-producing beta cells from working properly.

Weight regain causes the return of increased liver fat, increased fat export from the liver and a decline in beta cell function.

The DiRECT results have inspired a national remission programme in England4, in which a very low calorie diet is used to promote weight loss and so the reversal of type 2 diabetes.

Early results from NHS England’s Type 2 Diabetes Path to Remission programme show 10.3kg (22.1lb) weight loss at 12 months, which is on a par with the DiRECT trial.

Professor Taylor says: “It is therefore clear that the necessary weight loss to achieve remission of type 2 diabetes is feasible in the real world – and this leads to lasting remission provided that sufficient support is provided to avoid weight regain.

“Avoiding weight regain is challenging but it is possible and it can lead to long-lasting remission.”






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