The past
What has IMPRESIVE established?
Years of implementation: data transformed into common data models across Asia and beyond, validated analysis programs, and proof-of-concept studies already completed.
See our accomplishments →
International Multi-database Study Preparedness
Prepared databases. Integrated evidence. Timely decisions.
From Local Data to Global Evidence
IMPRESIVE helps data partners in different countries transform their data into structures that can be analyzed collaboratively — without transferring individual-level source data. The same analysis programs run locally at each site, generating multinational real-world evidence faster and more reproducibly.
This is an active, growing platform — not a finished project. We are looking for data partners, researchers, research questions and strategic support for the next phase.
An active gateway for collaboration
Three questions this platform answers
The present
What can it provide today?
A working infrastructure: conversion guidance, quality assurance, reusable analytical modules and distributed execution — ready for new questions and new partners.
Explore the methods →The future
How can you participate?
The work is not finished — that is the invitation. Bring your data, your research questions, or your support, and help build the next phase.
Join the network →Our principles
Preparedness comes before research
Preparednessbefore research
Standardizationbefore comparison
Integrationbefore interpretation
Visualizationbefore decision
Evidencebefore action
Core capabilities
From local data to decision-grade evidence
A connected pipeline that lets data from different countries answer the same question — without ever transferring raw patient-level records.
Database Standardization
Mapping different source structures to common variable definitions so one analytic program can run everywhere.
CDM Conversion
A common data model that keeps local governance intact while enabling consistent multi-country analysis.
Distributed Analytics
Raw data never leaves each country. We share code, diagnostics and aggregated results only.
Analysis Modules
Reusable, validated study designs — cohort, target-trial emulation, self-controlled, negative-control and more.
Evidence Integration
Not just a pooled estimate — understanding why results agree, differ, or cannot be compared across countries.
Results Visualization
Readiness dashboards, forest plots, trend and heterogeneity views that make findings comparable and clear.
Decision Translation
Turning evidence into something clinicians, regulators, HTA bodies and policymakers can act on — in time.
See the full method →
Eight steps from research question to visualization and interpretation.
Methods & TechnologyThe network at a glance
Building shared research readiness across borders
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Countries & regions engaged
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Databases collaborated with
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CDM disease cohorts established
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Common data models implemented
Taiwan · South Korea · Hong Kong · Japan · United Kingdom — nationwide claims, commercial claims and electronic health records, standardized with OMOP and Sentinel-like common data models, across cardiovascular and dermatologic disease areas.
Who we are
A preparedness platform, not a single study
IMPRESIVE builds the long-term capability for international multi-database research — inventory, standardization, modules, quality checks, governance and collaboration workflows.
About IMPRESIVE →What we do
Standardize, integrate, visualize
We let different countries answer the same question with a common language, common methods and a shared visualization framework — reproducibly and transparently.
Why multi-database studies →How to join
Three ways to take part
Whether you hold data, design studies, or make decisions, there is a clear pathway into the IMPRESIVE network.
Join us →Get involved
Three resources build this platform
Partners contribute data, research questions, or funding and strategic support — every one of them moves the network forward.
I hold data
National claims, hospital EHR systems, registries and research data centers — IMPRESIVE provides the pathway: inventory, CDM transformation, quality control and distributed participation.
Partner with usI have a research question
Clinicians, researchers and policy stakeholders — the platform translates important questions into executable multinational studies.
CollaborateI can fund or support
Industry, funders and strategic partners gain established research infrastructure, a collaborative network and scalable analytical capability.
Work with us"Evidence is not the end of analysis; it is the beginning of decision."