Investigating DA-4505 and Pembrolizumab for Advanced Solid Tumors
Official title: an Open-Label, Phase 1/2a, First-in-Human Study to Investigate Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Efficacy of DA-4505 as a Single Agent and in Combination With Pembrolizumab in Adult Patients With Locally Advanced or Metastatic Solid Tumors
Run by Dong-A ST Co., Ltd. · NCT06293651 · Data updated 2026-11-12
This study is testing a new treatment called DA-4505, both alone and with Pembrolizumab, to see if it helps adults with advanced solid tumors.
Quick facts
| Phase | Phase1; Phase2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 125 (estimated) |
| Sponsor | Dong-A ST Co., Ltd. Industry-sponsored |
| Drugs / interventions | chimeric antigen receptor, Pembrolizumab |
| Locations | 2 sites (Seoul and 1 other locations) |
| Status | Recruiting |
| Started | April 18, 2024 |
| Main results expected | January 2026 |
| Study ends | October 2029 |
| Registry record updated | February 12, 2025 |
| Trial ID | NCT06293651 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include adults aged 18 and older with locally advanced or metastatic solid tumors and an expected survival of at least three months.
✕Probably not a fit
Patients who have unresolved adverse reactions from previous cancer therapies or are currently enrolled in another clinical trial 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 is an open-label, Phase 1/2a study designed to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and efficacy of DA-4505, both as a standalone treatment and in combination with Pembrolizumab, in adult patients with locally advanced or metastatic solid tumors. The study will involve dose-escalation and dose-expansion phases to determine the optimal dosing and effectiveness of the treatments. Participants will be monitored for adverse effects and treatment responses throughout the trial.
Why it matters
Potential benefit: If successful, this trial could provide a new treatment option for patients with advanced solid tumors.
How similar studies have gone: Other studies have shown promise with similar immunotherapy approaches, but this specific combination is being explored for the first time.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1. Aged 18 and older. 2. Capable of giving signed informed consent. 3. Diagnosed with particular disease characteristics. 4. Expected survival ≥ 3 months. 5. Eastern Cooperative Oncology Group (ECOG) performance status ≤ 1. 6. A female patient is eligible to participate if she is not pregnant or breastfeeding. 7. A male patient is eligible to participate if he agrees to remain abstinent or use a male condom when having sexual intercourse with a WOCBP, or if he has had a bilateral vasectomy. 8. Have measurable disease by revised RECIST v1.1 criteria. Exclusion Criteria: 1. Inability to take oral medications or gastrointestinal abnormalities potentially impacting absorption. 2. Current enrollment or past participation in another clinical trial. 3. Unresolved adverse reactions (except alopecia) from previous cancer-directed therapy. 4. Use of cancer-directed therapies, including chimeric antigen receptor T cell therapy. 5. Autologous transplantation within 60 days. 6. Prior allogeneic transplantation. 7. Major surgery within 30 days, or unresolved complications after a major or minor surgery. 8. History of or currently active cardiovascular disease. 9. Clinically significant respiratory, hepatic, renal, gastrointestinal, endocrinological, hematological, or neurological disorders. 10. History of other malignancy.
Where it's running
-
Asan Medical Center
Seoul, South Korea Recruiting -
Severance Hospital
Seoul, South Korea Recruiting
Study contacts
- Study coordinator: Jayun Jang
- Email: janycan@donga.co.kr
- Phone: +82-2-920-8306
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.