A psychotherapist who was told by a university that it could be “politically incorrect” to study people who regret changing gender has been approached by 50 people who want to reverse their transition.

James Caspian, 59, who was refused permission to research detransitioning at Bath Spa University, says rising numbers presenting with gender dysphoria have been too readily labelled as trans.

The therapist said since his case made headlines in September 2017 he had been approached by patients who said: “I’m not the other sex. I shouldn’t have done this.”

Caspian was speaking before an oral hearing in the High Court on February 19, when he will ask for a judicial review of the university’s decision. The therapist, who enrolled for a master’s degree at