Cancer

A first: All respond to gene therapy in a blood cancer study

Doctors are reporting unprecedented success from a new cell and gene therapy for multiple myeloma, a blood cancer that's on the rise. Although it's early and the study is small — 35 people — every patient responded and all but two were in some level of remission within two months.

In a second study of nearly two dozen patients, everyone above a certain dose responded.

Experts at an American Society of Clinical Oncology conference in Chicago, where the results were announced Monday, say it's a first for multiple myeloma and rare for any cancer treatment to have such success.

Chemotherapy helps 10 to 30 percent of patients; immune system drugs, 35 to 40 percent at best,...

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