Status:

RECRUITING

Personalized Radiotherapy for Individualized Treatment Strategies and Monitoring (PRISM)

Lead Sponsor:

University of Texas Southwestern Medical Center

Conditions:

Small Cell Lung Cancer Extensive Stage

Brain Metastases

Eligibility:

All Genders

18+ years

Phase:

PHASE1

Brief Summary

To characterize feasibility, safety, and/or preliminary efficacy of personalized strategies to adapt standard radiotherapy treatments to individual patient responses.

Detailed Description

Cohort-Specific Rationale COHORT A (ES-SCLC Personalized ultrahypofractionated stereotactic ablative radiotherapy (PULSAR) Thoracic Tumor): Chemoimmunotherapy with 4-6 cycles of platinum/etoposide a...

Eligibility Criteria

Inclusion

  • Cohort A:
  • \>=18 years old
  • Performance status ECOG 0-2
  • Extensive stage small cell lung cancer diagnosed by tissue biopsy within 180 days of registration.
  • Patient must be planned for or receiving standard of care chemoimmunotherapy.
  • Patient must have received no more than 3 cycles by time of study enrollment.
  • Able and indicated according to investigator to receive thoracic radiotherapy
  • Cohort B:
  • 18 years old
  • Diagnosis of solid tumor malignancy with MRI-defined brain metastasis lesions (1-5 lesions allowed) within 60 days of registration
  • Each brain metastasis lesion enrolled must be 2 - 5 cm, except brainstem lesions which may be 1.5 - 5cm in size.

Exclusion

  • Cohort A:
  • ⨀ Prior thoracic Radiotherapy
  • Cohort B:
  • Prior whole brain Radiotherapy
  • Prior surgical resection or focal radiotherapy of a target brain metastasis
  • Leptomeningeal disease

Key Trial Info

Start Date :

October 28 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 1 2030

Estimated Enrollment :

45 Patients enrolled

Trial Details

Trial ID

NCT07139990

Start Date

October 28 2025

End Date

September 1 2030

Last Update

November 7 2025

Active Locations (1)

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Page 1 of 1 (1 locations)

1

Ut Southwestern Medical Center

Dallas, Texas, United States, 75390