submission workflows.

Findable: Enhancing Discoverability of Trial Data

Findability starts with metadata. For clinical trials, metadata includes protocol IDs, study titles, trial phases, sponsor names, locations, and registry IDs (e.g., NCT number from ClinicalTrials.gov). To ensure findability:

• Register every interventional trial in a recognized registry like ISRCTN or the EU Clinical Trials Register.
• Use persistent identifiers (PIDs) like DOIs for datasets and publications.
• Ensure all datasets are accompanied by a metadata file (XML or JSON) with detailed attributes.
• Adopt CTMS (Clinical Trial Management Systems) that support indexation by external repositories.

Example: A Phase III oncology trial includes its data files in a Vivli repository with a unique DOI and cross-linked protocol metadata—this improves discoverability by both humans and machines.

Accessible: Ensuring Controlled Yet Transparent Access

Accessibility does not imply total openness. In clinical research, data must be accessible under FAIR-compliant conditions:

• Use open protocols like HTTPS or SFTP for data transfer.
• Define access levels—public, restricted, or controlled—based on sensitivity.
• Provide authentication layers where appropriate (e.g., IRB-approved researchers for patient-level data).
• Archive datasets in platforms like Vivli, YODA, or sponsor-controlled repositories with proper access logs.

Best practice is to embed a “Data Use Statement” in the metadata or as a README file, describing who can access the data and under what terms.

Interoperable: Speaking a Common Language Across Systems

Interoperability in clinical trials ensures that datasets from different systems, sites, or countries can be integrated for analysis. This requires:

• Standard formats like CDISC SDTM/ADaM for submission data
• Controlled vocabularies (e.g., MedDRA, WHO Drug Dictionary)
• Machine-readable metadata using formats like RDF or JSON-LD
• Clinical data interchange using HL7 FHIR APIs

Example Table: SDTM Conversion

Original Label	SDTM Variable	Description
Age	AGE	Age of subject at enrollment
Sex	SEX	Gender of subject
Start Date	RFSTDTC	Reference start date of subject participation

Reusable: Planning for Long-Term Scientific Value

Data becomes reusable when it is sufficiently documented, licensed, and structured for others to apply it to new research. To meet the “R” in FAIR:

• Assign open licenses such as CC-BY or CC0 where possible
• Include study protocols, SAPs (Statistical Analysis Plans), and CRFs (Case Report Forms) as companion documents
• Ensure metadata explains variable derivation and transformation rules
• Apply version control to datasets, especially during data cleaning

Clinical data with strong reusability facilitates post-market surveillance, meta-analyses, and pharmacovigilance studies.

FAIR vs Regulatory Submissions: Compatible or Conflicting?

Regulatory bodies like the FDA, EMA, and PMDA have strict formats for data submission (eCTD, SDTM, ADaM). These formats are not inherently FAIR but can be FAIR-aligned if proper documentation, persistent IDs, and metadata are added. For example:

• FDA Data Standards Catalog supports CDISC-compliant submission aligned with FAIR principles.
• EMA’s Clinical Data Publication (Policy 0070) expects anonymized patient-level data with traceable documentation.

Thus, sponsors can align their trial data submissions with FAIR while meeting regulatory expectations.

Toolkits and Platforms Supporting FAIR Implementation

• FAIRshake: An evaluation tool for FAIRness scoring
• DATS: Data Tag Suite for biomedical metadata structuring
• DataCite: For issuing persistent DOIs for datasets
• Data Stewardship Wizard: A planning tool to implement FAIR at trial design phase

These tools help QA teams and clinical data managers to audit their data against FAIR indicators pre-submission.

Case Study: FAIR Implementation in an EU-Funded Vaccine Trial

An EU Horizon 2020 project on COVID-19 vaccines mandated FAIR-aligned data sharing. The sponsor followed this workflow:

1. Registered the trial in EudraCT and assigned a DOI to datasets
2. Used CDISC SDTM for data standardization
3. Published de-identified patient data in a public repository with metadata in RDF format
4. Tagged variables using UMLS for semantic interoperability
5. Assigned CC-BY license to enable unrestricted reuse

This example illustrates how FAIR can be implemented in real-world regulated trials without breaching compliance boundaries.

Best Practices Checklist for FAIR Clinical Trial Data

Principle	Action	Tool/Standard
Findable	Assign DOI, metadata	DataCite, ORCID
Accessible	Define access rights	Vivli, YODA, HTTPS
Interoperable	Use standard vocabularies	MedDRA, SDTM
Reusable	Apply license, include protocols	CC-BY, FAIRshake

Conclusion: From Compliance to Culture

FAIR principles are more than just a data formatting checklist—they represent a shift in how we think about data stewardship, transparency, and public trust in clinical research. For pharma and clinical trial teams, embedding FAIR into the data lifecycle results in higher-quality science, smoother regulatory interactions, and broader societal impact. With the right planning, tools, and stakeholder commitment, FAIR data management can become not only achievable but standard across the industry.