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Health Harbor Hamburg (H3): A Federated Health Data Space.
Martin Staemmler1, Norman Freier2, Franka Klimm3
1University of Applied Sciences, Stralsund, Germany.
Studies in Health Technology and Informatics
|May 12, 2026
Summary
The Health Harbor Hamburg (H3) initiative developed a federated regional health data space (HDS) platform. This secure HDS integrates participant IT infrastructures, enabling better health data management and positive clinical user feedback during pilot operation.
Area of Science:
- Health Informatics
- Health Data Management
- Interoperability Standards
Background:
- Existing health IT systems and national health information exchange (HIE) platforms struggle to function as comprehensive health data spaces (HDS).
- The establishment of HIE with HDS functionality presents significant challenges.
Purpose of the Study:
- To present the Health Harbor Hamburg (H3) initiative's approach to creating a federated, regional health data space (HDS).
Main Methods:
- A user-centered, co-creation process involving medical, organizational, and data protection stakeholders.
- Designing the H3 platform as an HDS architecture utilizing established interoperability standards.
Main Results:
- The H3 platform provides a secure HDS, incorporating a case-based consent model to protect patient rights.
- Development of the H3 Gateway and H3 Adapter to integrate participant IT infrastructures with the HDS.
Conclusions:
- The H3 platform is currently in pilot operation with 20 institutions.
- Positive feedback from clinical users has been received regarding the platform's functionality.
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