Mr Duncan, who was diagnosed with prostate cancer in 2019, called the treatment “life-changing” after it successfully targeted the cancerous part of his prostate with minimal side effects. Jeremy Clarkson is some of a few famous faces who have received focal therapy for prostate cancer (Image: PA)Other public figures who have received focal therapy include Jeremy Clarkson and former prime minister Lord David Cameron. The treatment is backed by Prostate Cancer UK, which is urging the National Institute for Health and Care Excellence (Nice) to review and approve the treatment for wider use on the NHS. Peter Duncan received prostate cancer therapy accessed by Jeremy Clarkson (Image: Alistair Wilson)Amy Rylance, director of health services, equity and improvement at Prostate Cancer UK, said: "Without a timeline from Nice, we simply don’t know how long men will have to wait for approval on the NHS." One in eight men in the UK will be diagnosed with prostate cancer in their lifetime.