Spots Global Cancer Trial Database for The Oral Microbiome and Upper Aerodigestive Squamous Cell Cancer

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Trial Identification

Brief Title: The Oral Microbiome and Upper Aerodigestive Squamous Cell Cancer

Official Title: The Oral Microbiome and Upper Aerodigestive Squamous Cell Cancer

Study ID: NCT03304132

Conditions

Oral Cancer

Interventions

Classification of Oral Microbiome Using 16S rRNA gene sequence-based approach

Classification of Oral Microbiome Using taxonomic approach

Study Description

Brief Summary: The human oral cavity is a diverse habitat that contains approximately 700 prokaryotic species. The oral microbiome is comprised of 44% named species, 12% isolates representing unnamed species, and 44% phylotypes known only from 16S rRNA based cloning studies (http://www.homd.org/). Species from 11 phyla have been identified: Firmicutes, Bacteroidetes, Proteobacteria, Actinobacteria, Spirochaetes, Fusobacteria, TM7, Synergistetes, Chlamydiae, Chloroflexi and SR1 (http://www.homd.org/). Because these observations have been mainly based on data generated from traditional Sanger sequencing, the diversity of oral microbiome is highly likely underestimated. Application of high throughput sequencing to the oral microbiome similar to the scale of the microbiome studies of other body sites (GI tract, skin, and vagina) under the Human Microbiome Project is necessary to obtain data essential for understanding the diversity and community structure of the oral microbiome in health and disease.

Detailed Description: The Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial and The American Cancer Society Cancer Prevention Study II (CPS-II) investigators have identified 140 UADSCC cases that have been frequency matched 3:1 (420 controls) by incidence density sampling for study (ACS. PLCO), gender, ethnic background, and age, within 10 years.