Research recommendation(s) from an individual piece of guidance Guidance: Autologous blood injection for plantar fasciitis Date issued: 23 January 2013 Research recommendations coming out of this guidance NICE encourages further research comparing autologous blood injection (with or without techniques to produce platelet-rich plasma) against established treatments for managing plantar fasciitis. Trials should clearly describe patient selection, including duration of symptoms and any prior treatments. Outcomes should include specific measures of pain and function.