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Hemopurifier Plus Pembrolizumab in Head and Neck Cancer

Squamous Cell Carcinoma of the Head and Neck Clinical Trial

Official title:
Depleting Exosomes to Improve Response to Immune Therapy in Head and Neck Squamous Cell Cancer: An Early Feasibility Phase I Clinical Trial

Clinical Trial Summary

This is an Early Feasibility Study (EFS) investigating the use of the Hemopurifier to clear immunosuppressive exosomes in combination with pembrolizumab (Keytruda) in the front line setting, in patients with advanced and/or metastatic squamous cell carcinoma of the head and neck.

Clinical Trial Description

All 12 patients enrolled into this Early Feasibility Phase I clinical trial will receive the same treatment of Hemopurifier plus Pembrolizumab (i.e., 2 rounds of Hemopurifier plus Pembrolizumab followed by Pembrolizumab only up to 2 years). Prior to initiation of the Hemopurifier treatment on Day 1, each subject will undergo phlebotomy to provide a baseline EDTA anti-coagulated blood sample, 30ml (< 3 tablespoons of blood) for the assessments of total exosome protein (TEP) levels and exosome profiles. The kinetics of exosome depletion will be evaluated in the study participants using serial blood samples (5ml) collected hourly during the 4h-depletion period by the Hemopurifier on Day 1. In addition, to evaluate kinetics of exosome recovery, 30ml of blood will be collected just prior to Pembrolizumab infusion (day 1) and on days 7 and 14 after Hemopurifier plus Pembrolizumab treatment during cycle 1 and 2. Exosome recovery after Hemopurifier + Pembrolizumab therapy will be evaluated and used to determine the rate of TEP recovery for each patient. Serial monitoring of TEP during Hemopurifier treatment (hourly during the 4h-depletion period), before Pembrolizumab infusion and after the second round of Pembrolizumab (days 7, and 14) will be done as for the first treatment. Only 2 Hemopurifier treatments will be given. For third and later rounds of Pembrolizumab, the investigators will continue to draw 30mL blood prior to Pembrolizumab infusion for the assessments of TEP levels and exosome profiles. ;

Study Design

Related Conditions & MeSH terms

  • Squamous Cell Carcinoma of Head and Neck
  • Squamous Cell Carcinoma of the Head and Neck
Clinical Trial Details
NCT number NCT04453046
Study type Interventional
Source Aethlon Medical Inc.
Contact
Status Terminated
Phase N/A
Start date October 22, 2020
Completion date November 14, 2022
View Details
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