CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 12 enrolled
Drug / intervention
CLR 131drug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04105543
NCT04105543Phase 1Completed

Therapeutic Combination of CLR 131 With External Beam Radiation in Head and Neck Cancer

University of Wisconsin, Madison·interventional·Posted Sep 26, 2019·Updated Sep 2, 2025

In Brief

A Phase 1 clinical trial evaluating CLR 131 for Head and Neck Cancer. Completed, enrolled 12 participants across 2 sites.

Detailed Summary

This is a Phase 1 study of the use of an investigational drug that selectively delivers radiation to malignant tumor cells, CLR 131, in combination with external beam radiation therapy (EBRT) in subjects with locoregionally recurrent head and neck cancer. The trial will enroll up to 12 participants who are amenable to retreatment with radiation therapy. Participants who also have distant metastatic disease may be enrolled on this clinical trial, but they must have evaluable disease that will be clinically treated with radiation therapy, as per standard of care. All participants will receive a dosimetry test dose of CLR 131 to establish drug uptake by the tumor and enable Monte Carlo dose estimation based on CLR 131 SPECT/CT imaging evaluation. Participants showing uptake will receive a cumulative tumor dose of 60-70 Gy using personalized dose calculation (via Monte Carlo methods) of CLR 131 combined with external beam radiation.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States

Timeline

Phase 1CompletedFinished
2020202120222023202420252026
First PostedSep 26, 2019
Enrollment StartDec 20, 2019
Primary CompletionSep 19, 2022
Study CompletionFeb 1, 2024
TodayJul 2, 2026
Enrollment to primary: 2.7 yearsPosted 6.8 years ago

Interventions

CLR 131drug

CLR 131 is a radiopharmaceutical dosed intravenously over a period of approximately 30 minutes, dose will be based on total body surface area calculated from actual body weight and height