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RECRUITING
NCT07444775
PHASE3

Lattice Radiation Therapy Versus Conventional Radiation Therapy for the Palliation of Large Tumors

Sponsor: University Health Network, Toronto

View on ClinicalTrials.gov

Summary

The goal of this randomized, phase III trial is to to determine if Spatially Fractionated Lattice Radiotherapy (SFRT) known as LATTICE therapy, leads to a greater reduction in pain or discomfort compared with conventional Radiation Therapy (RT) in patients with large tumours. This is evaluated by assessing if a greater proportion of patients who receive RT with SFRT will have an improvement in pain/discomfort at 30 days defined using the International Consensus Pain Response (ICPR) compared with those treated with conventional RT.

Key Details

Gender

All

Age Range

18 Years - 99 Years

Study Type

INTERVENTIONAL

Enrollment

148

Start Date

2025-11-18

Completion Date

2028-01

Last Updated

2026-03-03

Healthy Volunteers

No

Interventions

RADIATION

Conventional Radiation Therapy

Delivered using simple techniques and includes dose prescriptions of: 8Gy in 1 fraction, 20Gy in 5 fractions, and 30Gy in 10 fractions

RADIATION

Spatially fractionated radiation therapy

LRT delivers ablative doses to discrete vertices within a tumor, forming a "lattice" while restricting the periphery of the tumor to a safe, low dose thereby minimizing radiation exposure to nearby OAR.

Locations (1)

Princess Margaret Cancer Center

Toronto, Ontario, Canada