Westlake Frequent-sampling Cohort

NCT07460687 | Completed

• 1 other identifier: 20251208ZJS001
• Study Type: observational
• Target: 20
• Locations: 1 country
• Sites: 1

Brief Summary

This intensive longitudinal study investigates the day-to-day stability and natural fluctuations of the gut microbiome in healthy adults over a 15-day period. While the human gut microbiome is a complex ecosystem, its baseline stability in the absence of disease or medical intervention remains insufficiently characterized due to low sampling frequency in prior research. By recruiting healthy volunteers for continuous daily sampling, this study aims to map temporal community structures and evaluate the stability of core microbiota. Additionally, the research utilizes Continuous Glucose Monitoring (CGM) to explore the potential relationships between microbiome dynamics, daily dietary intake, and host glycemic stability.

Conditions

Health Adults; Stability of Microbiome

Keywords

Microbiome

Outcome Measures

Primary Outcomes (1)

• Gut microbiome

  Using qPCR, metagenomics, metabolomics, proteomics, and culturomics, we quantified the composition and absolute abundance of the gut microbiota and characterized its short-term and long-term dynamics.

  At enrollment

Secondary Outcomes (1)

• Continuous blood glucose change over 2 weeks

  Two weeks after enrollment

Eligibility Criteria

• Age: 18 Years - 40 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)
• Sampling Method: Non-Probability Sample

Study Population

Healthy young adults residing in Hangzhou

You may qualify if:

• Participants reside in Hangzhou

You may not qualify if:

• Refusing or unable to give informed consent
• Participants with chronic gastrointestinal diseases and take daily relevant medications
• Participants with metabolic diseases including diabetes, hypertension and cardiovascular diseases (CVD)
• Participants with craniocerebral trauma, cancer, liver disease, kidney disease, or other critical illness, or history of operation or medication
• Participants with bulimia nervosa, post-traumatic stress disorder (PTSD), chronic anxiety and depression or other critical neuronal disorder or history of relevant medication
• Being or to be pregnant or lactating.
• Participants with history of alcohol or drug addiction, or smoke above 15 cigarettes per day
• Concurrently participating other clinical trials.

Sponsors & Collaborators

• Westlake University: lead

Study Sites (1)

Westlake University

Hangzhou, Zhejiang, 310024, China

Location

Study Officials

• Ju-Sheng Zheng, PhD

  Westlake University

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: SPONSOR

Study Record Dates

• First Submitted: March 5, 2026
• First Posted: March 10, 2026
• Study Start: January 1, 2026
• Primary Completion: February 15, 2026
• Study Completion: February 15, 2026
• Last Updated: September 29, 2026

Record last verified: 2026-08

Locations

CN (1)