# ATX-898

Source: https://onco.cc/drugs/atx-898/  
OnCo record `atx-898` (Treatment). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

ATX-898 is an experimental small molecule from Antares Therapeutics, in phase 1 trials for advanced solid tumours, platinum-resistant ovarian cancer and other gynaecological cancers and other cancers.

## Summary

ATX-898 is a small molecule (registry lists it as a drug; the company does not publish the modality for this code) from Antares Therapeutics. Not disclosed. The registry describes a first-in-human study of ATX-898 alone and with other anticancer drugs; no source reached names its target. Its furthest stage is phase 1, for advanced solid tumours, platinum-resistant ovarian cancer, other gynaecological cancers and HR-positive HER2-negative breast cancer (with fulvestrant plus abemaciclib or ribociclib). ClinicalTrials.gov registers it in one study linked below. Phase 1/2 study NCT07767474 recruiting; actual start 31 August 2026 (ClinicalTrials.gov). Whether it works in people has not been established unless a trial below reports it.

## Fields

- Kind: Treatment
- Status: phase-1
- Last checked: 2026-11-03
- Tags: pipeline; ctgov-ingest
- Code: ATX-898
- Modality: Small molecule (registry lists it as a drug; the company does not publish the modality for this code)
- Mechanism: Not disclosed. The registry describes a first-in-human study of ATX-898 alone and with other anticancer drugs; no source reached names its target.

## Sources

- Antares Therapeutics: clinicaltrials.gov: https://clinicaltrials.gov/api/v2/studies/NCT07767474
- Antares Therapeutics: clinicaltrials.gov: https://clinicaltrials.gov/api/v2/studies/NCT07767474
- Antares Therapeutics: clinicaltrials.gov: https://clinicaltrials.gov/api/v2/studies/NCT07767474
- Antares Therapeutics: antaresrx.com: https://antaresrx.com/
- ClinicalTrials.gov: trials of ATX-898: https://clinicaltrials.gov/search?intr=ATX-898

## Connected records

- cancers: [Metastatic cancer (cancer that has spread)](https://onco.cc/cancers/metastatic-cancer/)
- companies: [Antares Therapeutics](https://onco.cc/companies/antares-therapeutics/)
- trials: [A Study to Evaluate ATX-898 in Participants With Advanced Solid Tumors](https://onco.cc/trials/nct07767474/)

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JSON: https://onco.cc/api/v1/entities/atx-898.json