PathoTrainer

The Platform for Biomarker Training, Scoring and CDx Validation

Borderline and challenging cases are where inter-observer variability becomes measurable and impactful.

PathoTrainer helps pharma teams standardize biomarker interpretation across sites, support validation efforts, and generate structured, audit-ready training outcomes.

Reduce Variability. Improve Confidence. Scale Expertise

Biomarker professional using PathoTrainer for proficiency testing

What can you do with PathoTrainer?

  • Identify challenging borderline cases that might otherwise be underdiagnosed.

    Align pathologists around consistent interpretation to support accurate patient selection.

  • Validate CDx biomarker interpretation and scoring for oncology drug launches. Minimize variability, avoid false negatives, and reduce non-responder cases with standardized training programs.

  • Deliver scalable training and certification to pathologists worldwide powered by a virtual multi-head microscope experience and global collaboration.

  • Support the integration of CDx tests into clinical workflows enabling faster adoption and accurate drug prescription.

  • Compare and analyze pathologists’ scoring with and without AI support for deeper insights and continuous improvement.

Built for international collaboration while allowing tailored training approaches per region. Collaborate with experts worldwide and focus review time on the most exceptional cases.

Global Reach. Local Impact.

Flexible Service Models.

Custom training programs

Work with expert pathologists to design and deliver training sessions for internal teams or external participants.

Project management

We handle logistics of training, validation studies, and implementation ensuring smooth integration into your workflows.


PathoTrainer connects academia, pharma, and biotech enabling collaboration with a worldwide network of pathologists, researchers, and educators in just a few clicks. Share knowledge, validate diagnostics, and accelerate innovation together.

Join a Global Pathology Network

  • PathoTrainer is a digital pathology training and proficiency testing platform designed for biomarker education, scoring, validation, and certification.

    It enables organizations to create structured training programs, assessments, and large-scale proficiency testing workflows using whole slide images, supporting both individual learning and standardized group evaluations.

  • PathoTrainer is a digital pathology training and proficiency testing platform designed for biomarker education, scoring, validation, and certification.

    It enables organizations to create structured training programs, assessments, and large-scale proficiency testing workflows using whole slide images, supporting both individual learning and standardized group evaluations.

  • Yes. PathoTrainer is specifically designed to support proficiency testing (PT), certification, and validation programs at scale.

    The platform enables standardized case distribution, blinded or identified scoring, configurable pass/fail thresholds, and centralized result analysis across individuals, groups, or regions.

Frequently Asked Questions

  • Yes. PathoTrainer is fully browser-based and does not require any software installation.

    Participants and instructors can access the platform through any modern web browser, enabling easy onboarding and remote or hybrid training without complex IT setup.

  • Yes. PathoTrainer is built to support large-scale training and assessment programs with many participants, large slide collections, and complex scoring workflows.

    It is used for national and international programs requiring high reliability, consistent evaluation, and scalable performance.

  • You can reach us anytime via our contact page or email. We aim to respond quickly—usually within one business day.