check out the national health study that suggest that seniors over 65 take the modified schedule of chemo for pancreatic cancer...as it it less toxic for their older bodies yet seems to yield not only a minor change in life expentency but also improves quality of life for them....it workd for my husband who had 36 treatments in 22 months, with only a few treatments missed due to flu or colds and nothing due to the treatments themselves....we are now on daraxonrasib but frankly are considering going back to the chemo instead, as it had less side effects than the miracle "pill".
Here's a map to the study on modified chemo schedule and you can also just do a google search for it.
It won't let me put the link but go to the PMC which is the Public Med Central, then the NCBI then NLM or National Library of Medicine to find the article #pmc7692343