🏛️ Verified NIH Record • Updated 2026-01-27
Proton Pencil Beam Scanning GRID for Treatment of Bulky Tumors (NCT05121545)
A Phase 1 Study of Proton Pencil Beam Scanning GRID for Treatment of Bulky Tumors (ProGRID)
🔵 Active, Not Recruiting Observational / Diagnostic 📋 Clinical Research Protocol Sponsor: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
🩺 Plain-English Summary (8th-Grade Level)
This is a single arm, phase I study, evaluating the feasibility, toxicity, and degree of tumor response after novel proton pencil beam scanning (PBS GRID) treatment in patients with bulky tumors that are difficult to manage.
Who can join: Review the eligibility criteria below.
Location: Sibley Memorial Hospital — Washington D.C., District of Columbia
Age range: 18 Years
🧪 Interventions in This Study
- Pro-GRID (RADIATION)
📋 "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 (1 Sites)
- Sibley Memorial Hospital — Washington D.C., District of Columbia
💰 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.
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💡 How to Participate
- Check the checklist above to see if you may qualify.
- Review the official NIH record below to find the coordinating site.
- Ask about the visit schedule, what is covered at no cost, and any travel support.
- Confirm with your own doctor before making a decision.