Report from Day Two of the New Horizons in Diabetes Research conference in Sweden
Closed loop studies
Professor Roman Hovorka, a leading light in the artificial pancreas movement from the University of Cambridge in the UK, then walks us through all of the closed loop studies that have been done to date – in adults, in children and in pregnant women.
No groups appear to have been left untested! The system has been proven over and over again to be particularly beneficial during the night-time and it receives very positive reviews allowing people reassurance and peace of mind, confidence, safety and improved sleep and, importantly “not having to think about it!”.
But he stresses that it is important to realise that, despite the well-documented benefits, the picture is far from rosy. Calibration difficulties, the size of the equipment and of the sensors, its accuracy and trust, the alarms and discomfort and the frustration when the equipment fails have all led to quite high attrition rates as people in the clinical trials stop using the device over prolonged periods of time.
Whilst the research has moved on and the system is now even being trialled on people with type 2 diabetes on an inpatient basis, the issue of adoption into clinical practice remains problematical. Professor Hovorka reminds us repeatedly that user training and staff training should not be underestimated.
From here, there was a dramatic turn in the focus of the conference away from the islet genetics and molecular biology and 3D architecture to something completely different. How our environment affects the way we live.
Diabetes “rule of halves”
Dr Anna-Maria Volkmann from University College London reminds us that, in 2014 65% of people with diabetes lived in urban areas. By 2040, this will have risen to 74%. She then describes a novel “rule of halves”.
Of the estimated 437 million people worldwide living with diabetes, only around 50% are actually diagnosed. Of this number, around 50% receive care and just around 50% of these people achieve treatment targets. With just 50% of that number achieving desired outcomes.
In different cities, this final figure is vanishingly small and she highlight different factors that are at play - many people have social, cultural or and other determinants that prevent them from being diagnosed and receiving treatment.
For example, 64% of people interviewed in Houston, Texas reported some form of time poverty that significantly impacted upon health and wellbeing. In other cities, including several in China, diabetes is considered stigmatising thus leading to a withdrawal from social activities and this social isolation has an additional impact on mental health. In still other cities, there is a perceived mistrust in the healthcare system and in medical advice leading to use of often indigenous alternative care options.
Dr Brent Loken, a conservation scientist and director of science translation for EAT, an Oslo-based organisation that focuses on the global food system, spoke eloquently about the importance of food and how what we eat affects the planet.
In order to achieve healthy and sustainable diets for 10 billion people by 2050, we need a drastic shift away from eating animal sourced proteins and towards a plant-based diet.
Links between environment pollutants and diabetes
Finally, Professor Duk-Hee Lee from Kyungpook National University in South Korea discussed another societal issue, namely the potential links between environment pollutants and diabetes. She argued that lipophilic chemical pollutants in adipose or fat tissue may be key in the pathogenesis of type 2 diabetes.
Many of the so-called POPs – persistent organic pollutants – have a very long half-life and are resistant to biodegradation. Moreover, in her studies, the association between POPs and diabetes became stronger as people became more obese.
So, at the end of two packed days of seminars, I leave Uppsala with my head spinning full of everything from the immune attack of islets and being able to watch beta cell regeneration in zebrafish to how where we live, what we eat and even the air that we breathe may impact on our predisposition to diabetes.
And my head is about to spin even more as I’m heading straight from Uppsala to Barcelona in Spain for this year’s EASD (European Association for the Study of Diabetes) conference. More cutting-edge science. More mind-blowing presentations. And even more hope for the future.
Read Dr Eleanor Kennedy’s report from Day One here
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