Active Not Recruiting NA INTERVENTIONAL 1-arm NCT05121545

Proton Pencil Beam Scanning GRID for Treatment of Bulky Tumors (ProGRID)

A Phase 1 Study of Proton Pencil Beam Scanning GRID for Treatment of Bulky Tumors (ProGRID)

Sponsor: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Interventions Pro-GRID

Updated 11 times since 2021 Last updated: Jan 27, 2026 Started: Apr 6, 2022 Primary completion: Sep 24, 2024 Completion: Dec 31, 2026

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT05121545, this NA trial focuses on Melanoma and Sarcoma and remains ongoing. Sponsored by Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, it has been updated 11 times since 2022, reflecting substantial change activity. This study contributes to the evolving evidence base for cancer treatment protocols.

Status Flow

Change History

11 versions recorded

Feb 2026 — Present [monthly]

Active Not Recruiting NA
Sep 2025 — Feb 2026 [monthly]

Active Not Recruiting NA
Jan 2025 — Sep 2025 [monthly]

Active Not Recruiting NA

Status: Recruiting → Active Not Recruiting
Sep 2024 — Jan 2025 [monthly]

Recruiting NA
Jul 2024 — Sep 2024 [monthly]

Recruiting NA

▶ Show 6 earlier versions

Jun 2023 — Jul 2024 [monthly]

Recruiting NA
Nov 2022 — Jun 2023 [monthly]

Recruiting NA
May 2022 — Nov 2022 [monthly]

Recruiting NA
Apr 2022 — May 2022 [monthly]

Recruiting NA
Jan 2022 — Apr 2022 [monthly]

Recruiting NA
Dec 2021 — Jan 2022 [monthly]

Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

Data source: Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Washington D.C., United States