# Lymphocyte Depletion and Change in Lymphocyte Functionality

> **NCT04273893** · NA · ACTIVE_NOT_RECRUITING · sponsor: **University of Virginia** · enrollment: 55 (actual)

## Conditions studied

- Lymphocyte Depletion

## Interventions

- **RADIATION:** SBRT with additional treatment planning dose optimization
- **RADIATION:** SBRT with standard of care planning only
- **DIAGNOSTIC_TEST:** Blood Draws

## Key facts

- **NCT ID:** NCT04273893
- **Lead sponsor:** University of Virginia
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2020-02-12
- **Primary completion:** 2023-05-15
- **Final completion:** 2025-06-01
- **Target enrollment:** 55 (ACTUAL)
- **Last updated:** 2024-12-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04273893

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04273893, "Lymphocyte Depletion and Change in Lymphocyte Functionality". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04273893. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
