Testing ERX-315 in patients with advanced solid tumors

A First-in-Human, Phase 1 Safety, Tolerability, Pharmacokinetic, and Preliminary Efficacy Study of Escalating Doses of ERX-315 in Participants With Advanced Solid Tumors

Phase 1 Interventional EtiraRx Australia Pty Ltd · NCT06533332

This study is testing a new treatment called ERX-315 to see if it is safe and effective for people with advanced solid tumors that haven't responded to other therapies.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment15 (estimated)
Ages18 Years and up
SexAll
SponsorEtiraRx Australia Pty Ltd Academic / other
Locations4 sites (Ryde, New South Wales and 3 other locations)
Trial IDNCT06533332 on ClinicalTrials.gov

What this trial studies

This Phase 1 clinical trial aims to evaluate the safety, tolerability, and pharmacokinetics of ERX-315 in patients suffering from advanced solid tumors that have not responded to standard therapies. The study is open-label and involves a dose escalation and cohort expansion approach, where participants will receive ERX-315 via intravenous injection twice a week over 21-day cycles. The trial focuses on patients with various types of metastatic cancers, including breast, ovarian, endometrial, and liver cancers.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and older with advanced unresectable or metastatic solid tumors that have failed prior systemic therapies.

Not a fit: Patients who have received systemic anti-cancer therapy within 4 weeks prior to the study or have uncontrolled intercurrent illnesses may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with advanced solid tumors who have exhausted existing treatment options.

How similar studies have performed: While this approach is novel in its specific application, similar studies targeting advanced solid tumors have shown promise in the past.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients must be at least 18 years of age at the time of signing the informed consent.
* Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1.
* Patients must have histologically or cytologically confirmed solid tumor, primarily including but not limited to breast, ovarian, pancreatic, endometrial and hepatocellular carcinoma, that is advanced unresectable and/or metastatic disease for whom standard therapies do not exist or are no longer effective
* Patients must have measurable disease as per Response Evaluation Criteria in Solid Tumors (RECIST) v1.1.
* Adequate baseline organ function and hematologic function
* Life expectancy \>3 months

Exclusion Criteria:

* Systemic anti cancer therapy within 4 weeks of first dose of study drug
* Major surgery (as defined by the Investigator) within 4 weeks of first dose of study drug.
* Uncontrolled intercurrent illnesses
* Known history of LIPA deficiency, such as Wolman disease or Cholesterol ester storage disease.

Where this trial is running

Ryde, New South Wales and 3 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Advanced Solid TumorMetastatic Breast CancerMetastatic Ovarian CancerMetastatic Endometrial CancerMetastatic Liver CancerMetastatic Pancreatic Cancer
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.