# Michael Gnant

Source: https://onco.cc/people/michael-gnant/  
OnCo record `michael-gnant` (Person). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Viennese surgical oncologist who presides over the ABCSG and has led landmark adjuvant breast cancer trials such as ABCSG-12, ABCSG-18 and PALLAS.

## Summary

Michael Gnant is President of the Austrian Breast & Colorectal Cancer Study Group (ABCSG) and a professor of surgery at the Medical University of Vienna's Comprehensive Cancer Center. He has led major academic trials in early breast cancer, including studies of adjuvant zoledronic acid and denosumab and the PALLAS trial of adjuvant palbociclib, shaping international treatment standards.

## Fields

- Kind: Person
- Last checked: 2026-09-10
- Tags: leadership; clinician-scientist; breast cancer; clinical trials
- Role: President
- Specialisms: Breast cancer; Surgical oncology; Adjuvant therapy trials

## Sources

- Society page: https://www.abcsg.org/en/about-us/board/
- PubMed: https://pubmed.ncbi.nlm.nih.gov/?term=Gnant+M%5BAuthor%5D

## Connected records

- cancers: [HER2-positive breast cancer](https://onco.cc/cancers/breast-her2-positive/), [HR-positive / HER2-negative breast cancer](https://onco.cc/cancers/breast-hr-positive/)
- companies: [Austrian Breast & Colorectal Cancer Study Group](https://onco.cc/companies/abcsg/)

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JSON: https://onco.cc/api/v1/entities/michael-gnant.json