The TANDEM trial: protocol for the process evaluation of a randomised trial of a complex intervention for anxiety and/or depression in people living with chronic obstructive pulmonary disease (COPD).

Moira J KellyLiz SteedRatna SohanpalHilary PinnockAmy BarradellClarisse Dibao-DinaKristie-Marie MammolitiVari WilemanVickie RowlandSian NewtonAnna MooreStephanie Taylor

Published in: Trials (2021)

ISRCTN ISRCTN59537391 . Registered on 20 March 2017. Trial protocol version 6.0, 22 April 2018. Process evaluation protocol version 4.0, 1 November 2020.

Keyphrases

chronic obstructive pulmonary disease
randomized controlled trial
study protocol
clinical trial
phase iii
lung function
phase ii
psychometric properties
sleep quality
depressive symptoms
air pollution