WONDER

Tony is still waiting to learn if he got the vaccine that worked

Thursday, October 29, 2026

Promising New Results for Melanoma mRNA Vaccine | Memorial Sloan Kettering  Cancer Center

Memorial Sloan Kettering Cancer Center · https://www.mskcc.org/news/promising-results-for-melanoma-mrna-vaccine

A personalized mRNA shot cut melanoma's risk of returning by 42%. Proving it took 380 people on a dummy shot, and Tony, 75, still doesn't know which he got.

each of you not just looking to his own things, but each of you also to the things of others.

Philippians 2:4

On October 24, doctors in Madrid presented the full results of a cancer vaccine trial that Tony Chapman, 75, of Corby in Northamptonshire, helped make possible. The vaccine works, and Tony still doesn't know if he got it. His melanoma was found in 2019 and came back under his arm, which meant a second operation. Then he volunteered for a trial of a shot built from each patient's own tumor. Three years on, he is cancer-free and goes in for a check every six months.

Merck and Moderna enrolled 1,137 people whose high-risk melanoma had been removed. Everyone got Keytruda, the standard immune drug, and 757 also got an mRNA shot carrying up to 34 of their own cancer's mutations, while 380 got a placebo. After two years, 82.2% of the vaccine group were cancer-free against 70% of the rest, a 42% drop in the risk of return or death. Nature reported that a cut that size would send many researchers "over the Moon." It is still one cancer and two years, with no approval yet.

The headlines are about the 757, but the proof belongs to the 380. Without them, nobody could say the real shot did anything, so that 70% is their number. Each volunteer signed knowing there was a one-in-three chance of getting no vaccine at all. Tony's reason was frank: "This just seemed like a really good example of moving science forward, as well as getting some benefit for yourself, so what's to lose?" Beth Ryzyk, 59, of Westchester, New York, called it "a privilege to have the opportunity to participate, whether I got the extra treatment or not."

Paul, writing from custody to a small church he loved, took the self-interested half of Tony's reason for granted.

He was pleading with the Philippians to stop competing with each other, and the word that carries his plea is also. Their own lives stay in view while someone else's come in beside them. That is the shape of Tony's sentence, and of this trial too, where everyone who joined already had melanoma and their own stake came built in. Still, nobody could get an answer like this just for themselves.

Every six months Tony goes back for his check without knowing which shot is in his history. Either way, he was part of the proof. If this vaccine reaches the clinic, the people who get it will owe it to volunteers who signed for two reasons, their own lives and a stranger's.

Sources