Investigating the effectiveness and cost-effectiveness of FITNET-NHS (Fatigue In Teenagers on the interNET in the NHS) compared to activity management to treat paediatric chronic fatigue syndrome (CFS)/myalgic encephalomyelitis (ME): amendment to the published protocol

Trials. 2019 Dec 19;20(1):750. doi: 10.1186/s13063-019-3895-1.


The FITNET-NHS Trial is a UK, national, trial investigating whether an online cognitive behavioural therapy program (FITNET-NHS) for treating chronic fatigue syndrome/ME in adolescents is clinically effective and cost-effective in the NHS. At the time of writing (September 2019), the trial was recruiting participants. This article presents an update to the planned sample size and data collection duration previously published within the trial protocol. TRIAL REGISTRATION: ISRCTN, ID: 18020851. Registered 8 April 2016.

Keywords: CBT; CFS/ME; Chronic fatigue syndrome; E-therapy; Methodology; Myalgic encephalomyelitis; Online systems; Paediatrics; Recruitment; Trial.

Publication types

  • Clinical Trial Protocol
  • Letter

MeSH terms

  • Adolescent
  • Child
  • Cognitive Behavioral Therapy / economics
  • Cognitive Behavioral Therapy / methods*
  • Cost-Benefit Analysis*
  • Fatigue Syndrome, Chronic / diagnosis
  • Fatigue Syndrome, Chronic / economics
  • Fatigue Syndrome, Chronic / therapy*
  • Female
  • Health Surveys / statistics & numerical data
  • Humans
  • Internet-Based Intervention / economics*
  • Male
  • Randomized Controlled Trials as Topic
  • Sample Size
  • State Medicine / economics
  • Treatment Outcome
  • United Kingdom