Serologic Response to Pneumococcal Vaccination Among Esophageal Cancer Patients With High Grade Lymphopenia After Chemoradiation

Conditions: Pneumococcal Vaccine; Esophageal Cancer; Lymphopenia; Chemoradiation Interventions: Biological: Pneumonia vaccine Sponsors: M.D. Anderson Cancer Center Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials