Clinical trial Recruiting at 8 sites Phase 1 Interventional Ages 18 and up

Testing ADRX-0405 in patients with advanced solid tumors

Official title: A Phase 1a/b Study of ADRX-0405 in Subjects With Select Advanced Solid Tumors

Run by Adcentrx Therapeutics · NCT06710379 · Data updated 2026-11-12

This study is testing a new treatment called ADRX-0405 to see if it is safe and effective for people with advanced solid tumors like prostate, gastric, and lung cancer.

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment68 (estimated)
SponsorAdcentrx Therapeutics
Industry-sponsored
Locations8 sites (Duarte, California and 7 other locations)
StatusRecruiting
StartedDecember 30, 2024
Main results expectedJuly 2026
Study endsDecember 2026
Registry record updatedApril 9, 2025
Trial IDNCT06710379 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals with histologically confirmed advanced solid tumors, particularly those with metastatic castration resistant prostate cancer, gastric cancer, or non-small cell lung cancer.

Probably not a fit

Patients with active and uncontrolled central nervous system metastases or significant cardiovascular disease may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial evaluates the safety, tolerability, and pharmacokinetics of ADRX-0405 in patients with select advanced solid tumors, including metastatic castration resistant prostate cancer, gastric cancer, and non-small cell lung cancer. The study is divided into two parts: Phase 1a focuses on dose escalation to determine the recommended dose, while Phase 1b assesses the safety and preliminary efficacy of the optimal dose in patients with previously treated metastatic castration resistant prostate cancer. Participants will undergo monitoring for adverse effects and treatment response throughout the trial.

Why it matters

Potential benefit: If successful, this study could provide a new treatment option for patients with advanced solid tumors that are resistant to standard therapies.

How similar studies have gone: Other studies have shown promise with similar approaches in targeting advanced solid tumors, but the specific use of ADRX-0405 is novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Phase 1a Dose Escalation: Subjects with histologically confirmed select advanced solid tumors, including metastatic castration resistant prostate cancer (mCRPC), gastric cancer (GC), and non-small cell lung cancer (NSCLC).
* Phase 1b Dose Expansion: Subjects with histologically confirmed prostate adenocarcinoma that is confirmed to be castration resistant (i.e., serum testosterone \< 50 ng/dL \[\< 2.0 nM\]) and that is intolerant/resistant to standard of care (SOC) therapies.
* Measurable disease according to RECIST version 1.1 or evaluable disease per PCWG3 for subjects with prostate cancer
* Eastern Cooperative Oncology Group (ECOG) performance status of 0-1 in 1a; 0-2 in 1b
* Adequate hematologic, liver, and renal function

Exclusion Criteria:

* Active and uncontrolled central nervous system metastases
* Significant cardiovascular disease
* History of another malignancy other than the one for which the subject is being treated on this study within 3 years
* Receipt of any anticancer or investigational therapy within: 5 elimination half-lives or 14 days (whichever is less); 4 weeks for any therapeutic radiopharmaceutical for prostate cancer
* History of (non-infectious) ILD/pneumonitis that required steroids within 2 years of study enrollment, has current ILD/pneumonitis, or where suspected ILD/pneumonitis cannot be ruled out by imaging at screening.
* Receiving systemic antimicrobial treatment for active infection; routine antimicrobial prophylaxis is permitted

Where it's running

  • City of Hope
    Duarte, California, United States
    Recruiting
  • UCLA
    Santa Monica, California, United States
    Recruiting
  • START Midwest
    Grand Rapids, Michigan, United States
    Recruiting
  • University of Minnesota Masonic Cancer Center
    Minneapolis, Minnesota, United States
    Recruiting
  • NEXT Austin
    Austin, Texas, United States
    Recruiting
  • The University of Texas MD Anderson Cancer Center
    Houston, Texas, United States
    Recruiting
Show 2 more locations
  • START Mountain Region
    West Valley City, Utah, United States
    Recruiting
  • NEXT Virginia
    Fairfax, Virginia, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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Last reviewed 2026-11-14 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.