Expertise Provided by Factory 319

Tech Development

Direct Investment

FASTEN by the Numbers

2023

Launch year

80

Active centers projected by 2028

92%

Patient adherence rate

FASTEN: A Digital Solution to Boost Cancer Treatment Efficacy

Fasten is transforming cancer care by integrating nutrition and technology into the treatment pathway. Based on years of scientific research, this innovative solution combines a clinically validated nutritional protocol — the Fasting Mimicking Diet (FMD) — with a connected digital platform to enhance treatment effectiveness and improve patient quality of life.

Through a user-friendly mobile app and connected tracking tools, Fasten delivers personalized support and fits seamlessly into the care pathway.

  • Clinically validated FMD protocol shown to improve survival and treatment response

  • 100% satisfaction reported in pilot studies

  • Digital tools for remote, personalized nutritional guidance

  • Backed by leading oncologists, researchers, and patient advocates

Business Model

Exceptional reimbursement

Stage

Serie A

Milestones

Clinical trials validated

Social & Economic Impact

Fasten is not only changing how nutritional care is delivered in oncology, but also helping reshape the healthcare system. By improving patient quality of life and optimizing care delivery, Fasten helps reduce long-term treatment-related costs. Remote support also increases access to care and reduces pressure on healthcare facilities. With a sustainable model, Fasten contributes to a healthier and more resilient future.

Team

Dr Anna Kaci Founder & CEO PhD @Hôpital Saint Louis – Servier Postdoc @INSERM Chair of Innovation Management & Healthcare Performance @Paris University

Pierre Estagnasié Co-founder & COO Ex-founder of Silver Nutrition Former Country Manager @Jumia, Ops @Uber EM Lyon

Advisory Board Julie Dumons – Head of Product @Resilience Care, ex @Lifen, Founder of the FHIR community France Côme de Cherisey – Former CEO @Gault et Millau, Senior Business Angel Myriam Guiral – Patient Engagement Lead, ex-CCO @OncoDNA, SeqOne Genomics, Breast cancer survivor

Medical Board Pr Andreas Michalsen – MD-PhD, Oncology & Integrative Medicine @Charité Berlin Pr Thorsten Braun – Head of Hematology-Oncology @APHP, Scientific Director @LTL2 URPEA3518 Dr Jean Loup Mouysset – Oncologist & Founder @Fédération Centres Ressource

Want to learn more about FASTEN ?