Title {1}	Communication Bridge™-2 (CB2): An NIH Stage 2 randomized control trial of a speech-language intervention for communication impairments in individuals with mild to moderate primary progressive aphasia
Trial registration {2a and 2b}.	The CB2 trial is registered with ClinicalTrials.gov (NCT03371706).
Protocol version {3}	(Version 12.0 March 27, 2020)
Funding {4}	The clinical trial is funded by the National Institute on Aging (R01AG055425).
Author details {5a}	Angela C. Roberts, Northwestern University, Pepper Department of Communication Sciences and Disorders; University of Western Ontario, School of Communication Sciences and Disorders and Department of Computer Science Alfred W. Rademaker, PhD, Northwestern University, Mesulam Center for Cognitive Neurology and Alzheimer’s Disease Elizabeth Ann Salley, MA, Northwestern University, Mesulam Center for Cognitive Neurology and Alzheimer’s Disease Aimee Mooney, MSc-SLP, CCC-SLP, Oregon Health & Science University Darby Morhardt, PhD, LCSW, Northwestern University, Mesulam Center for Cognitive Neurology and Alzheimer’s Disease Melanie Fried-Oken, MSc-SLP, PhD, CCC-SLP, Oregon Health & Science University Sandra Weintraub, PhD, Northwestern University, Mesulam Center for Alzheimer’s Disease and Cognitive Neurology and Department of Psychiatry and Behavioral Sciences Marsel Mesulam, MD, Northwestern University, Mesulam Center for Cognitive Neurology and Alzheimer’s Disease and Department of Neurology Emily Rogalski, PhD, Northwestern University, Mesulam Center for Cognitive Neurology and Alzheimer’s Disease and Department of Psychiatry and Behavioral Sciences
Name and contact information for the trial sponsor {5b}	Northwestern University, Office of Sponsored Research 750 N. Lake Shore Drive Rubloff 7th Floor Chicago, Illinois 60611 312-503-7955
Role of sponsor {5c}	Neither the study sponsor nor funder have any role in the study design, data collection, management analysis or interpretation of data. They were not involved in the writing of this report or the decision to submit the report for publication.