PROMIS

PROMIS
Name	PROMIS
Developer	National Institutes of Health National Cancer Institute, National Institute of Neurological Disorders and Stroke
Introduced	2004
Purpose	Patient-reported outcome measurement
Domains	Physical function; pain; fatigue; emotional distress; social health
Mode	Computer-adaptive testing; short forms
Languages	Multilingual translations

PROMIS

The Patient-Reported Outcomes Measurement Information System initiative was created to produce standardized, evidence-based patient-reported outcome measures for research and clinical care. Funded initially by the National Institutes of Health and developed by a consortium of academic centers, measurement scientists, and clinical investigators, the initiative aimed to harmonize outcome assessment across conditions such as cancer, chronic pain, and neurological disorders. PROMIS instruments have been employed in trials sponsored by organizations including the Food and Drug Administration, European Medicines Agency, and the Department of Veterans Affairs.

Overview

PROMIS provides item banks and short forms that assess domains including physical function, pain intensity, pain interference, fatigue, sleep disturbance, anxiety, depression, and social roles. Item banks were calibrated using modern psychometric methods to allow computer-adaptive testing (CAT) and fixed short forms suitable for studies led by investigators at institutions such as Johns Hopkins University, Mayo Clinic, Duke University, University of California, San Francisco, and University of Pittsburgh. The PROMIS initiative intersects with other measurement efforts like the Patient-Reported Outcomes Measurement Information System Global Health and harmonization projects tied to the ClinicalTrials.gov registry.

Development and History

PROMIS launched in 2004 with NIH funding and collaborative centers including Northwestern University and Washington University in St. Louis. Early work incorporated legacy instruments such as the SF-36 and Brief Pain Inventory to link scores across measures. The development program involved large-scale data collection from diverse samples including cohorts from the Framingham Heart Study and multisite clinical networks like the Clinical and Translational Science Awards consortium. Over time, PROMIS evolved through successive funding rounds, methodology papers in journals affiliated with American Psychological Association outlets, and incorporation into guidance documents from regulatory bodies including the Food and Drug Administration.

Measurement Framework and Instruments

PROMIS item banks are organized by domain and calibrated on a T-score metric with a mean of 50 and SD of 10 relative to a US general population reference. Item response theory (IRT) models such as the graded response model were applied following standards endorsed by the International Society for Quality of Life Research and methods used in taxonomies like the International Classification of Functioning, Disability and Health. Instruments include CAT modules and fixed short forms; popular fixed forms parallel instruments used in trials run by groups like National Cancer Institute cooperative groups and registries such as the American College of Rheumatology datasets. Cross-walks link PROMIS scores to legacy measures including mappings to the EQ-5D and SF-12.

Administration and Scoring

PROMIS can be administered via electronic platforms, paper forms, and interview modes by centers such as Research Electronic Data Capture (REDCap) nodes at Vanderbilt University and electronic health record implementations at systems like Kaiser Permanente. CAT administration selects items adaptively to achieve target measurement precision with fewer items than legacy instruments used in trials by Eli Lilly and Company or Pfizer. Scores are reported on the standardized T-score metric; minimal clinically important differences have been estimated in studies from institutions including University of Washington and Yale University.

Validity, Reliability, and Psychometrics

Psychometric evaluation of PROMIS involved construct validity testing against established measures from sources such as the Center for Epidemiologic Studies Depression Scale and the Brief Fatigue Inventory, and reliability assessment using internal consistency and test–retest studies conducted at centers including University of Michigan and Stanford University. Differential item functioning analyses assessed bias across demographic groups represented in cohorts like the National Health and Nutrition Examination Survey (NHANES). Calibration studies and simulation work used software tools developed in collaboration with methodological groups at University of North Carolina at Chapel Hill and the University of Chicago.

Applications and Use Cases

PROMIS measures have been applied across specialties: oncology trials coordinated by Children's Oncology Group and Alliance for Clinical Trials in Oncology; rheumatology registries managed by the American College of Rheumatology; neurology studies affiliated with Multiple Sclerosis Consortium and Alzheimer's Disease Neuroimaging Initiative; and health services research conducted within systems like the Veterans Health Administration. PROMIS has been used in comparative effectiveness research funded by the Patient-Centered Outcomes Research Institute and in global health projects supported by the World Health Organization and multinational academic collaborations involving Oxford University and Karolinska Institutet.

Implementation and Integration in Clinical Research

Integration strategies include embedding PROMIS into electronic health records at organizations such as Mayo Clinic and Partners HealthCare (now Mass General Brigham), using PROMIS for baseline and longitudinal outcome assessment in randomized controlled trials overseen by institutions like Cochrane groups, and adopting PROMIS endpoints in regulatory submissions to the Food and Drug Administration and European Medicines Agency. Training materials, scoring guides, and translation efforts have been produced by consortia including Northwestern University and Duke University to support multinational trials with sites at Imperial College London and University of Toronto.

Category:Patient-reported outcome measures