NCT04223102

Brief Summary

The purpose of our study is to determine if an association exists between the microbiome of those with rectal adenocarcinoma who are complete pathologic responders and those who have a partial or no response to neoadjuvant therapy.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
13mo left

Started Feb 2020

Longer than P75 for not_applicable

Geographic Reach
1 country

3 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress85%
Feb 2020Jun 2027

First Submitted

Initial submission to the registry

November 12, 2019

Completed
2 months until next milestone

First Posted

Study publicly available on registry

January 10, 2020

Completed
1 month until next milestone

Study Start

First participant enrolled

February 18, 2020

Completed
6.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2027

Expected
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2027

Last Updated

August 2, 2023

Status Verified

July 1, 2023

Enrollment Period

6.9 years

First QC Date

November 12, 2019

Last Update Submit

July 31, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • 16s rRNA gene sequencing to study bacterial phylogeny and taxonomy

    16s rRNA sequencing from biopsy specimens

    5 years

Secondary Outcomes (1)

  • rectal microbiota to study bacteria strains

    5 years

Study Arms (1)

Tissue collection

OTHER

Tissue collection

Procedure: Tissue collection

Interventions

A flexible sigmoidoscopy is a procedure in which a flexible tubularized camera approximately 1 cm in diameter is inserted into the anus and advanced proximally to the sigmoid colon (approximately 20 cm). At that time a rectal biopsy of the tumor will be obtained as well as a sample from \>5cm proximal to the tumor, with a separate biopsy forcep. Tattoo injection, as standard of care, will be performed within 1 cm distal to the tumor to identify the location in the future or for surgical intervention. If there is inability to get proximal to the tumor then a location at least 5 cm adjacent in any direction will be sufficient so long as it is grossly normal appearing.

Tissue collection

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≥ 18 years old
  • Locally Advanced Rectal Adenocarcinoma (T3)
  • Standard 5FU based chemoradiation
  • Total Neoadjuvant Therapy per OPRA protocol guidelines

You may not qualify if:

  • Age \< 18 years
  • Stage I or Stage IV rectal adenocarcinoma
  • Rectal cancer other than adenocarcinoma
  • Genetically associated cancer (HNPCC, FAP etc.) or highly suspicious for genetically associated cancer
  • Prior history of rectal adenocarcinoma (i.e. recurrent colorectal adenocarcinoma)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Tampa General Hospital

Tampa, Florida, 33606, United States

Location

University of South Florida - South Tampa Campus

Tampa, Florida, 33606, United States

Location

University of South Florida

Tampa, Florida, 33612, United States

Location

Related Publications (35)

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  • Mima K, Cao Y, Chan AT, Qian ZR, Nowak JA, Masugi Y, Shi Y, Song M, da Silva A, Gu M, Li W, Hamada T, Kosumi K, Hanyuda A, Liu L, Kostic AD, Giannakis M, Bullman S, Brennan CA, Milner DA, Baba H, Garraway LA, Meyerhardt JA, Garrett WS, Huttenhower C, Meyerson M, Giovannucci EL, Fuchs CS, Nishihara R, Ogino S. Fusobacterium nucleatum in Colorectal Carcinoma Tissue According to Tumor Location. Clin Transl Gastroenterol. 2016 Nov 3;7(11):e200. doi: 10.1038/ctg.2016.53.

  • Yang Y, Weng W, Peng J, Hong L, Yang L, Toiyama Y, Gao R, Liu M, Yin M, Pan C, Li H, Guo B, Zhu Q, Wei Q, Moyer MP, Wang P, Cai S, Goel A, Qin H, Ma Y. Fusobacterium nucleatum Increases Proliferation of Colorectal Cancer Cells and Tumor Development in Mice by Activating Toll-Like Receptor 4 Signaling to Nuclear Factor-kappaB, and Up-regulating Expression of MicroRNA-21. Gastroenterology. 2017 Mar;152(4):851-866.e24. doi: 10.1053/j.gastro.2016.11.018. Epub 2016 Nov 19.

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MeSH Terms

Conditions

Rectal Neoplasms

Interventions

Tissue Banks

Condition Hierarchy (Ancestors)

Colorectal NeoplasmsIntestinal NeoplasmsGastrointestinal NeoplasmsDigestive System NeoplasmsNeoplasms by SiteNeoplasmsDigestive System DiseasesGastrointestinal DiseasesIntestinal DiseasesRectal Diseases

Intervention Hierarchy (Ancestors)

Biological Specimen BanksHealth FacilitiesHealth Care Facilities Workforce and Services

Study Officials

  • James R Williams, MD

    University of South Florida

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 12, 2019

First Posted

January 10, 2020

Study Start

February 18, 2020

Primary Completion (Estimated)

January 1, 2027

Study Completion (Estimated)

June 1, 2027

Last Updated

August 2, 2023

Record last verified: 2023-07

Data Sharing

IPD Sharing
Will not share

Locations