Byng 2023.

Study name	PARTNERS2: A cluster randomised control trial of a model of collaborative care for people with a diagnosis of bipolar, schizophrenia or other psychoses
Methods	Setting: community, within GP practices Allocation: 1:1 cluster‐randomised controlled trial Masking: data collectors, participants and clinicians masked until recruitment complete within each GP practice cluster
Participants	Diagnosis: schizophrenia, bipolar or other psychosis n = 270 Age: 18+
Interventions	A specially trained secondary care mental health worker placed within the GP practice to provide collaborative care based on an individualised goal‐setting and recovery model Control: usual care Comparison: PARTNERS2 vs usual care
Outcomes	Primary outcome: quality of life (MANSA V2)
Starting date	2018
Contact information	M.J.Birchwood@warwick.ac.uk; richard.byng@plymouth.ac.uk
Notes	The intervention is described as collaborative care by the trialists.