Experts hope weight loss jabs could be an effective obesity treatment in the future.
They compared their results with those of 21 patients who had undertaken gastric bypass surgery, as well as 22 who stuck to a low-calorie diet.
The former shed 22.7lbs in four weeks – which is more than those who took the jabs.
Meanwhile, the latter torched 18.3lbs – almost double than participants who were injected with hormones.
Even though surgery can be more effective, scientists are excited about the prospect of weight loss jabs.
Professor Tan said: “Although this is a small study our new combination hormone treatment is promising and has shown significant improvements in patients’ health in only four weeks.
“This result shows it is possible to obtain some of the benefits of a gastric bypass operation without undergoing the surgery itself.
“If further trials are successful, in future we could potentially give this type of treatment to many more patients.”
While the scientists’ study is promising, research is still in its infancy.
In order to launch a weight loss jab, larger clinical trials must be carried out.
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