In a large-scale randomized clinical study over a period
of eight years, Ma found Chinese patients with advanced nasopharyngeal cancer suffered more side
effects than benefits from the additional chemotherapy, which cost about 13,400 yuan ($2,000) per patient.
The findings, published in the journal Lancet Oncology in 2012, drew the attention of
Western experts, and the United States and Europe revised their treatment guidelines.
More recently, Ma added a new drug to the original dual drug ch
emotherapy regimen, and moved post-radiotherapy chemotherapy to pre-radiotherapy.
In another clinical study of 480 cases, Ma and his team found th
at this regimen increased the five-year survival rate of patients by 8 percent.
The nasopharynx is in the upper part of the pharynx behind the nose, connecting the nostr
ils and throat. The location makes it hard for doctors to operate, so radiotherapy is the first choice