A Study of SPX-303, a Bispecific Antibody Targeting LILRB2 and PD-L1 in Patients With Solid Tumors (NCT06259552)
A Phase 1, Open-label Study to Evaluate Safety, Tolerability, and Pharmacokinetics of an Anti-LILRB2 / PD-L1 Bispecific Antibody SPX- 303 in Patients With Solid Tumors
🩺 Plain-English Summary (8th-Grade Level)
Part 1 of this study is an open-label, dose-escalation, and safety expansion study of an anti-LILRB2 / anti-PD-L1 bispecific antibody SPX- 303 in patients with solid tumors. Part 2 of this study is an indication-specific dose expansion study of SPX-303.
Who can join: Review the eligibility criteria below.
Location: Mayo Clinic Arizona — Phoenix, Arizona
Age range: 18 Years
🧪 Interventions in This Study
📋 "Do I Qualify?" — 1-Minute Self Screener
Instant ChecklistFull eligibility criteria are available on the official NIH protocol. View the criteria ↗
📍 All Participating Trial Locations (4 Sites)
- Mayo Clinic Arizona — Phoenix, Arizona
- HonorHealth Research and Innovation Institute — Scottsdale, Arizona
- Mayo Clinic Florida — Jacksonville, Florida
- Mayo Clinic Rochester — Rochester, Minnesota
📞 Contact the Study Coordinator
Phone: (847) 739-6251
Email: SPX-303@sparxbio.com
Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.
💰 Cost, Insurance & Patient Rights
- 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
- Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
- Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
More studies in Solid Tumor
- A Safety And Efficacy Study Of HLA-G- Targeted CAR-T Cells IVS-3001 In Subjects With Previously Treated Advanced HLA-G-Positive Solid Tumors — Houston, Texas
- A Study of AZD1390 and Stereotactic Body Radiotherapy (SBRT) for People With Metastatic Solid Tumor Cancer — Middletown, New Jersey
- A Study of RP-3500 in Combination With Standard Radiation Therapy in People With Solid Tumor Cancer — Basking Ridge, New Jersey
- Study of PD1 Blockade by Pembrolizumab With Stereotactic Body Radiotherapy in Advanced Solid Tumors — Chicago, Illinois
- A Study Evaluating DS-1055a in Participants With Relapsed or Refractory Locally Advanced or Metastatic Solid Tumors — New York, New York
- Concurrent Azeliragon With Craniospinal Irradiation — New York, New York
Explore by condition: All Solid Tumor clinical trials
💡 How to Participate
- Check the checklist above to see if you may qualify.
- Contact the study coordinator using the phone/email above.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.