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Completed No phase listed Observational

A Screening Study Targeting Tumor-specific Antigens

ClinicalTrials.gov ID: NCT05158621

Public ClinicalTrials.gov record NCT05158621. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 1, 2026, 10:11 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Screening Study for the Selection of Patients for Clinical Studies Targeting Tumor-specific Antigens

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to identify patients who may be eligible to participate in a separate Phase 2/3 treatment study evaluating an individualized neoantigen vaccine GRANITE for first line (1L) maintenance treatment of metastatic, microsatellite-sable colorectal cancer (MSS-CRC) sponsored by Gritstone bio. This may include the manufacturing of an individualized vaccine, which involves neoantigen prediction and generating a vaccine targeting neoantigens.

Study identification

NCT ID
NCT05158621
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Gritstone bio, Inc.
Industry
Enrollment
22 participants

Conditions and interventions

Eligibility (public fields only)

Age range
12 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Dec 13, 2021
Primary completion
Aug 14, 2022
Completion
Aug 14, 2022
Last update posted
Oct 17, 2022

2021 – 2022

United States locations

U.S. sites
6
U.S. states
5
U.S. cities
6
Facility City State ZIP Site status
Miami Cancer Institute Miami Florida 33176
Advanced Research Tamarac Florida 33321
Astera Cancer Care East Brunswick New Jersey 08816
The Christ Hospital Cincinnati Ohio 45219
Sarah Cannon Nashville Tennessee 37203
Virginia Cancer Specialists Fairfax Virginia 22031

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

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About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05158621, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 17, 2022 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05158621 live on ClinicalTrials.gov.

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