As of 2025, retatrutide has not received MHRA marketing authorisation and is not available on the NHS or through licensed private prescribing in the UK
Once activated, the GLP-1 receptor sends signals to appetite centers in the hypothalamus
However, because GLP-1 treatments typically begin at a low titration dose to allow the body to adjust and minimize side effects, the appetite suppression may feel mild during the first week
Ultimately, there is a pressing need to understand whether the beneficial indirect effects of GLP-1RA medications on pancreatic diseases, including PDAC (e.g., weight loss), are negated by direct effects on the pancreas
Patients who eat less may experience nutrient deficiencies, which increases the risk of hair loss