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Core Outcome Sets for Meningioma In Clinical studies (COSMIC): An international patient and healthcare professional consensus for research studies

  • Christopher P Millward
  • , Terri S Armstrong
  • , Sabrina Bell
  • , Andrew R Brodbelt
  • , Helen Bulbeck
  • , Linda Dirven
  • , Paul L Grundy
  • , Abdurrahman I Islim
  • , Mohsen Javadpour
  • , Sumirat M Keshwara
  • , Shelli D Koszdin
  • , Anthony G Marson
  • , Michael W McDermott
  • , Torstein R Meling
  • , Kathy Oliver
  • , Puneet Plaha
  • , Matthias Preusser
  • , Thomas Santarius
  • , Nisaharan Srikandarajah
  • , Martin J B Taphoorn
  • Carole Turner, Colin Watts, Michael Weller, Paula R Williamson, Gelareh Zadeh, Amir H Zamanipoor Najafabadi, Michael D Jenkinson
  • International Brain Tumour Alliance
  • National Cancer Institute
  • The Brain Tumour Charity
  • Brainstrust-The Brain Cancer People
  • University Hospital Southampton NHS Foundation Trust
  • Beaumont Hospital
  • Veterans Affairs San Diego Healthcare System (VASDHS)
  • Copenhagen University Hospital
  • Oxford University
  • Medizinische Universitat Wien Medical University Vienna
  • Cambridge University Hospitals NHS Foundation Trust
  • University of Cambridge
  • University of Birmingham
  • University of Zurich
  • UniversitatsSpital Zurich (University Hospital of Zurich)
  • University of Toronto
  • Leiden University Medical Centre

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: Core Outcome Sets (COS) define the minimum outcomes that should be measured and reported in all clinical trials for a specific health condition or health area. The aim was to develop 2 COS for intracranial meningioma to be used in future clinical studies: COSMIC: Intervention for effectiveness trials and COSMIC: Observation for studies of incidental/untreated meningioma.

METHODS: A study advisory group was formed with representation from international stakeholder groups: EORTC BTG, ICOM, EANO, SNO, RANO-PRO, BNOS, SBNS, BIMS, TBTC, International Brain Tumour Alliance, and Brainstrust. Outcomes of potential relevance to key stakeholders were identified and rationalized to populate 2 eDelphi surveys. Participants were recruited internationally and asked to rate each outcome on its importance for inclusion in the COS. The 2 final COS were ratified through 2, one-day, online consensus meetings.

RESULTS: The COSMIC: Intervention eDelphi survey contained 25 items and was completed by 199 participants. Following the consensus meeting, 15 outcomes were included. The COSMIC: Observation eDelphi survey contained 17 items and was completed by 129 participants. Sixteen outcomes were included. Eight core outcomes were common to both COS; tumor growth, physical, emotional, and neurocognitive functioning, overall quality of life, progression-free survival, meningioma-specific mortality and overall survival. Role and social functioning were core outcomes in COSMIC: Observation but not COSMIC: Intervention.

CONCLUSIONS: Uptake of these COS in relevant future meningioma clinical studies will ensure that stakeholder-determined, critically important outcomes are consistently measured and reported across similar clinical studies.

Original languageEnglish
Pages (from-to)700-713
Number of pages14
JournalNeuro-Oncology Practice
Volume12
Issue number4
DOIs
Publication statusPublished - Aug 2025

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