A new treatment for advanced prostate cancer that has stopped responding to abiraterone.

A Phase 2, Single-Arm Study of the CXCR1/2 Inhibitor SX-682 Plus Enzalutamide in Men with Abiraterone-Resistant Metastatic Castration Resistant Prostate Cancer (mCRPC)

['FUNDING_SBIR_2'] · SYNTRIX BIOSYSTEMS, INC. · NIH-11114019

This research is testing a new combination of medicines, SX-682 and enzalutamide, for men whose advanced prostate cancer has become resistant to abiraterone.

Quick facts

Phase['FUNDING_SBIR_2']
Study typeNih_funding
SexAll
SponsorSYNTRIX BIOSYSTEMS, INC. (nih funded)
Locations1 site (AUBURN, UNITED STATES)
Trial IDNIH-11114019 on ClinicalTrials.gov

What this research studies

Prostate cancer is a serious concern for many men, especially when it spreads and becomes resistant to standard treatments like abiraterone. When this happens, current options are limited, and only a small percentage of men respond to further treatments like enzalutamide alone. This new approach combines enzalutamide with an investigational medicine called SX-682, which targets specific signals (CXCR1/2) that help prostate cancer grow and resist treatment. By blocking these signals, the hope is to make enzalutamide more effective and offer a new way to fight advanced prostate cancer.

Who could benefit from this research

Good fit: Ideal candidates are men with metastatic castration-resistant prostate cancer whose disease has progressed despite prior treatment with abiraterone.

Not a fit: Patients whose prostate cancer is still responding to abiraterone or who have not yet developed metastatic castration-resistant disease would not be the focus of this particular approach.

Why it matters

Potential benefit: If successful, this new combination therapy could offer a much-needed treatment option for men with advanced prostate cancer that no longer responds to abiraterone, potentially extending their lives.

How similar studies have performed: While the specific combination is new, the targets (CXCR1/2) have been identified as important in prostate cancer resistance, suggesting a strong scientific basis for this novel approach.

Where this research is happening

AUBURN, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.

View on NIH RePORTER →

Last reviewed 2026-05-15 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.