Managing clinical research data

The Ambient-BD study

Daniel Thédié

BioRDM team - University of Edinburgh

27/02/2026

The BioRDM team

Ambient-BD

Using sleep and circadian rhythm to understand clinical outcomes in bipolar disorder

Ambient-BD

  • 180 participants
  • 18 months sleep data collection
  • Multiple data types

Data types in Ambient-BD

Data collection

Data management challenges

We expect…

  • 200,000 raw data files
  • 400 GB raw data
  • 2 different APIs

…we need:

  • Data download
  • Structured storage
  • Raw data cleaning
  • Anonymisation

Data collection

Data downloaders

Command-line tools

  • Connect to APIs
  • Download and organise data
  • Basic anonymisation (de-identification)

Data storage

  • Secure University of Edinburgh server
  • Encryption for sensitive participant data
  • Clear folder organisation
  • Thorough documentation
.
├── 01-RedCap_quest_data
├── 02-Axivity_data
├── 03-EMA_data
├── 04-Somnofy_data
├── 05-RedCap_data_analysis
├── 06-Results_data_anonymised
├── 07-Protocols_and_instructions
├── 08-Sensors_and_supplies
├── 09-Participants_feedback
├── 10-Admin
├── 11-Manuscripts_and_presentations
├── 12-Participants
└── README.txt


…enable safe and efficient data use!

nocturn

nocturn

Sleep Report

Data Sheet

  • Overview of participant data
  • Combines data from multiple sources
  • Enabled by the data storage structure
.
├── 01-RedCap_quest_data
├── 02-Axivity_data
├── 03-EMA_data
├── 04-Somnofy_data
├── 05-RedCap_data_analysis
├── 06-Results_data_anonymised
├── 07-Protocols_and_instructions
├── 08-Sensors_and_supplies
├── 09-Participants_feedback
├── 10-Admin
├── 11-Manuscripts_and_presentations
├── 12-Participants
└── README.txt

Data management system


Beyond the data

Research projects that integrate data management…

  • Let researchers focus on the research
  • Facilitate interaction with companies
  • Connect different skills
    • Clinical expertise
    • Product knowledge
    • Technical expertise
    • Software engineering
  • Improve their data legacy

Thank you!