Brenda M. Box, 58, a radio journalist who was an associate editor with NPR, died March 7 at her home in Springfield.

She had pancreatic cancer, said her husband, Steve Johnson.

Ms. Box joined NPR’s newscast unit in 2003 as an assistant producer. Three years later, she was promoted to associate editor.

Before that, she was a reporter for West Virginia Public Broadcasting and a radio reporting instructor at Marshall University in Huntington, W.Va. In the 1990s, she was an associate director of communications for the Wilderness Society and a communications manager for the National Wildlife Federation.

Brenda Michelle Box was born in Washington, and she grew up in Denver. She received a bachelor’s degree in journalism from Colorado State University in 1975.

She was a news anchor at a radio station in St. Louis before moving to Washington in 1981 to take a job as a Capitol Hill correspondent for the Gannett News Service. In 2010, she received a master’s degree in interactive journalism from American University.

She was a member of the National Association of Black Journalists and won its excellence award for a series she produced on black pioneers.

Survivors include her husband of 19 years, Steve Johnson of Springfield; three children, Chanel Box-Johnson of Springfield, Chantel Box-Johnson of Forest Heights and Anthony Box-Johnson of Pocahontas, Va.; two stepchildren, Maureen Johnson and Josh Johnson, both of Huntington; her mother, Lily Vaden of Pensacola, Fla.; and five grandchildren.

— Megan McDonough