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RecruitingLast updated: 13 July 2026

HRS-6209-205: Assessing a new medicine called HRS-6209 in people with HR+ or HER2- solid cancersAn Open-Label, Multi-Center Phase II Clinical Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of HRS-6209 in Combination With Fulvestrant or Letrozole in Patients With Solid Tumor

Trial purpose

Medical clipboardCancer treatment

Tumor type

Multi-Cancer Multi-Cancer

Age

People18+

Trial acronym

HRS-6209-205

Clinical summary

Summary

Eligible participants will receive HRS-6209 capsules and fulvestrant hormone therapy as an injection. HRS-6209 will be taken twice a day, and fulvestrant will be given once.

Conditions

This trial is treating people with HR+ or HER2- solid tumours

Eligibility

Inclusion

  1. Ability to understand the trial procedures and possible adverse events, voluntarily participate in the trial.
  2. Adequate bone marrow and other vital organ functions
  3. Adequate liver function tests
  4. HR-positive or HER2-negative solid tumor patients

Exclusion

  1. Plan to receive any other anti-tumor therapy during the study.
  2. Active brain metastases .
  3. Have poorly controlled or severe cardiovascular disease, including (1) congestive heart failure.
  4. Previous use of fulvestrant
  5. clinically significant endometrial abnormalities, including but not limited to endometrial hyperplasia and dysfunctional uterine bleeding.
  6. With uncontrollable chronic systemic complications (such as severe chronic lung, liver, kidney, or heart disease).
  7. With acute or active tuberculosis infection requiring medication.
  8. Pregnant or lactating women, or females planning to become pregnant During the study.
  9. Known history of clinically significant liver disease, untreated active hepatitis (hepatitis B, defined as hepatitis B virus surface antigen [HBsAg] or hepatitis B core antibody [HBcAb] positive

Inclusion

  • You have the type of cancer, symptoms, or health risks that this clinical trial is focused on.

Exclusion

  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria, and other criteria may apply for this trial. Ask your doctor about whether this trial could be right for you.

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More information

Trial Identifiers

Information on this page is partially produced from ClinicalTrials.gov *. View further details about this trial on the registry via the links below:

Trial sponsor

Atridia Pty Ltd.

Scientific Title

An Open-Label, Multi-Center Phase II Clinical Study Evaluating the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of HRS-6209 in Combination With Fulvestrant or Letrozole in Patients With Solid Tumor

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