Fibiger had been suffering from colon cancer, and a month after he received his Nobel Prize, he died of heart attack on 30 January 1928 due to his worsening cancer.
Фибигер страдал от рака толстой кишки, и через месяц после получения Нобелевской премии он умер от сердечного приступа 30 января 1928 года из-за обострения рака.