"was found to extend" is a correct and usable phrase in written English.
You could use it to describe something that has been discovered or revealed through research or experimentation. For example, "The study was found to extend the effects of the drug beyond the initial trial period."
The only exception was bypass surgery, which was found to extend the lives of some patients with severe illness but not to prevent heart attacks.
Nivolumab was found to extend the lives of relapsed patients diagnosed with head and neck cancers who had run out of therapy options.
Rapamycin was found to extend mice's lives significantly even though by accident the mice were already the equivalent of 60 years old when the experiment started.
Its largest gas field, Hugoton, was discovered in 1927 in Kansas and was found to extend through the Oklahoma and Texas panhandles.
Shillingford's arm was found to extend more then the permitted 15 degrees for his off breaks and doosras.
After measurements had been taken, the fibula head was dissected fully in this specimen and was found to extend more proximally than had been felt on palpation.
Mr. Weiss said he was confident a way would be found to extend that.
If wrongdoing is found to extend into the administration, which controls billions of dollars of foreign currency, it would be a great embarrassment to the government.
A calorically restricted diet -- including all necessary nutrients but 30percentt fewer calories than usual -- has been found to extend the life span of rodents by 30to50percentent.
I am one of the four million, and as the BBC is looking for ways to cut costs – sorry, deliver quality first – I hope the funds will be found to extend the life of MOTD beyond the end of next season, when its current deal expires.
Some neuronal axons were found to extend into those concaves on the substrate (F).
