Weight loss jabs linked to potentially fatal side effects
Some cases of pancreatitis reported to be linked to GLP-1 medicines (glucagon-like peptide-1 receptor agonists) have been fatal.
Data from the medicines regulator, the Medicines and Healthcare products Regulatory Agency (MHRA), shows that since the drugs were licensed there have been hundreds of cases of acute and chronic pancreatitis among people taking GLP-1 medicines.
The new weight management medication 'Tirzepatide' (brand name Mounjaro®) is shortly being made available to NHS patients to support weight loss. Access is prioritised for those with the greatest clinical need.
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This includes:
These cases are not confirmed as being caused by the medicines, but the person who reported them suspected they may be.
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Nonetheless, Yellow Card Biobank project, launched by the MHRA and Genomics England, will see researchers examine whether cases of pancreatitis linked to GLP-1 drugs may be influenced by peoples genetic makeup.
The MHRA is calling for people who are taking GLP-1 medicine who have been admitted to hospital due to acute pancreatitis to submit a report to its Yellow Card scheme.
When a Yellow Card report is received, the MHRA will contact patients to ask if they would be willing to take part in the study.
Patients will be asked to submit more information and a saliva sample which will be assessed to explore whether some people are at a higher risk of acute pancreatitis when taking these medicines due to their genes.
GLP-1 agonists can lower blood sugar levels in people living with type 2 diabetes and can also be prescribed to support some people with weight loss.
🧵Weight loss jab roll out 'positive for patients' but with implications for general practice that must be considered.
Our Chair Kamila Hawthorne has featured widely in the national press and broadcast media responding to the phased roll-out of Mounjaro prescriptions by NHS… pic.twitter.com/fb2KdaXIou
Chronic stress and poor sleep are major weight loss blockers. Stress increases cortisol, a hormone linked to fat retention, especially around the abdomen. Sleep deprivation increases ghrelin (hunger hormone) and decreases leptin (fullness hormone), making you more likely to overeat and less likely to move.
You're also more impulsive and less motivated when sleep-deprived, making it harder to stick to your diet and exercise routine. As a solution, prioritise stress management techniques (like mindfulness or journaling), and aim for 7-9 hours of sleep per night.
Medical issues such as PCOS, diabetes, hypothyroidism, or insulin resistance can all interfere with weight loss. Similarly, certain medications (like antidepressants or steroids) may cause weight gain or inhibit fat loss.
If weight loss stalls despite doing everything right, consult your GP to rule out or address any underlying conditions. If you have a known medical condition, it's important to stay up to date with your routine reviews and inform your GP or specialist about any weight loss treatments you're using. Regular follow-up helps ensure your treatment plan remains safe and effective.
More Mounjaro news...
Recent estimates suggest that about 1.5 million people in the UK are taking weight loss jabs.
Health officials have suggested that they can help to turn the tide on obesity, but have stressed they are not a silver bullet and do come with side effects.
Most side effects linked to the jabs are gastrointestinal including nausea, constipation and diarrhoea.
And the medical regulator recently warned that Mounjaro may make the oral contraceptive pill less effective in some patients.
Dr Alison Cave, MHRA's chief safety officer, said: 'Evidence shows that almost a third of side effects to medicines could be prevented with the introduction of genetic testing, it is predicted that adverse drug reactions could cost the NHS more than £2.2 billion a year in hospital stays alone.
'Information from the Yellow Card Biobank will help us to better predict those most at risk of adverse reactions – enabling patients across the UK to receive the safest medicine for them, based on their genetic makeup.
'To help us help you, we're asking anyone who has been hospitalised with acute pancreatitis while taking a GLP-1 medicine to report this to us via our Yellow Card scheme.
'Even if you don't meet the criteria for this phase of the Biobank study, information about your reaction to a medication is always extremely valuable in helping to improve patient safety.'
Professor Matt Brown, chief scientific officer of Genomics England, said: 'GLP-1 medicines like Ozempic and Wegovy have been making headlines, but like all medicines there can be a risk of serious side effects.
'We believe there is real potential to minimise these with many adverse reactions having a genetic cause.
'This next step in our partnership with the MHRA will generate data and evidence for safer and more effective treatment through more personalised approaches to prescription, supporting a shift towards an increasingly prevention-focused healthcare system.'
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