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Clinical trials and research at Hellenic Cooperative Oncology Group

• 6Clinical trials
• 3New in 30 days
• 2Countries

Newest trials

All recruiting trials (6)

• NSCLC biomarker study using tumor and blood samples to link genetics with prognosis and immunotherapy response

  Researchers will test tumor tissue and blood from about 300 NSCLC patients to find genomic and immune markers that predict prognosis and response to immunotherapy.

  Recruiting at 20 sites Hellenic Cooperative Oncology Group · Limassol and 19 other locations · NCT07900581

• ESR1 Mutations in Metastatic Hormone Receptor‑Positive Breast Cancer in Greece

  This study tests how common ESR1 mutations are in Greek patients with advanced hormone receptor–positive, HER2‑negative breast cancer and looks at how those mutations relate to disease features and real-world treatment patterns.

  Recruiting Hellenic Cooperative Oncology Group · Athens · NCT07899463

• FRα expression in high-grade serous ovarian cancer (FRα positive)

  A retrospective study in Greece will test how often Folate Receptor Alpha is present in tumor samples from adults diagnosed with high-grade serous ovarian cancer.

  Recruiting Hellenic Cooperative Oncology Group · Athens · NCT07889843

• NalIriFOx as first-line therapy for metastatic pancreatic cancer

  This real-world study will see how NalIriFOx performs as a first-line treatment for metastatic pancreatic cancer in several Greek centers.

  Recruiting at 9 sites Hellenic Cooperative Oncology Group · Athens and 8 other locations · NCT07723261

• Why some new treatments work or stop working in advanced breast cancer

  This project will see if biological markers explain why people with advanced breast cancer respond or become resistant to newer treatments like ADCs, immunotherapy, CDK inhibitors, and PARP inhibitors.

  Recruiting at 5 sites Hellenic Cooperative Oncology Group · Athens and 4 other locations · NCT07066917

• Assessing real-world outcomes of abemaciclib in breast cancer patients

  This study is testing how well a drug called abemaciclib works for people with advanced breast cancer and what side effects they experience while using it alongside other treatments.

  Recruiting Hellenic Cooperative Oncology Group · Athens · NCT04985058

Quick answers

How many clinical trials run by Hellenic Cooperative Oncology Group are recruiting right now?

6, as of November 12, 2026. 3 of them were first registered in the last 30 days. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 2 countries. The most sites are in Greece (6 trials), Cyprus (1 trial). Each study page lists its sites and which ones are recruiting.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

Find the studies that fit you

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