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Recruiting NCT05739591

NCT05739591 Long-term Safety and Efficacy of GBG Study Participants

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Clinical Trial Summary
NCT ID NCT05739591
Status Recruiting
Phase
Sponsor GBG Forschungs GmbH
Condition Breast Cancer
Study Type OBSERVATIONAL
Enrollment 400 participants
Start Date 2022-10-12
Primary Completion 2030-05-19

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type OBSERVATIONAL

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

This is an observational study. You will not receive an experimental treatment; researchers will collect data based on your existing condition or standard treatment.

This trial targets 400 participants in total. It began in 2022-10-12 with a primary completion date of 2030-05-19.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The ETERNITY study is an international, multicenter, observational study that aims to follow up patients who have participated in a GBG trial for early breast cancer, even after the study has officially ended, in order to collect long-term data on survival, late or delayed adverse events, in addition to information related to pregnancy, fertility and other parameters impacting quality of life.

Eligibility Criteria

Inclusion criteria: * Participation and treatment in a GBG clinical trial for early breast cancer. * Prospective registration: Written informed consent according to local regulatory requirements prior to data and biomaterial collection. Exclusion criteria: * Participation and treatment in a non-GBG clinical trial for early breast cancer. * Patients with advanced or metastatic breast cancer who have participated and received treatment in a GBG clinical trial.

Contact & Investigator

Central Contact

Thomas Ballhausen, Dr.

✉ eternity@gbg.de

📞 0049610274800

Principal Investigator

Sibylle Loibl, Prof. Dr.

STUDY CHAIR

GBG Forschungs GmbH

Frequently Asked Questions

Who can join the NCT05739591 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Breast Cancer. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT05739591 currently recruiting?

Yes, NCT05739591 is actively recruiting participants. Contact the research team at eternity@gbg.de for enrollment information.

Where is the NCT05739591 trial being conducted?

This trial is being conducted at Innsbruck, Austria, Linz, Austria, Salzburg, Austria.

Who is sponsoring the NCT05739591 clinical trial?

NCT05739591 is sponsored by GBG Forschungs GmbH. The principal investigator is Sibylle Loibl, Prof. Dr. at GBG Forschungs GmbH. The trial plans to enroll 400 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology