NCT03669809

Brief Summary

The circadian regulation in mammals have been known for a long time. A special group of clock genes, organized in feedback loops, are responsible for the circadian regulation in both the SCN and peripheral organs. The central clock is mainly entrained by the light-dark cycle, while the peripheral ones in organs such as liver and intestine, are more influenced by the feeding-fasting cycles. The coordination of central and peripheral clocks is thought to be essential in the maintenance of physiological homeostasis.This study aim to investigate the association between biological rhythm and metabolism.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
200

participants targeted

Target at P75+ for all trials

Timeline
292mo left

Started May 2011

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
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 Progress39%
May 2011May 2050

Study Start

First participant enrolled

May 1, 2011

Completed
6.9 years until next milestone

First Submitted

Initial submission to the registry

April 3, 2018

Completed
5 months until next milestone

First Posted

Study publicly available on registry

September 13, 2018

Completed
31.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2050

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2050

Last Updated

May 11, 2022

Status Verified

November 1, 2021

Enrollment Period

39 years

First QC Date

April 3, 2018

Last Update Submit

May 10, 2022

Conditions

Keywords

biological rhythmmetabolismhormonelipidbile acidsobesity

Outcome Measures

Primary Outcomes (1)

  • circadian rhythms of serum lipid levels (the change of serum lipid levels within 24 hours)

    Measured at baseline, and every 10 years during the 40-year follow-up period

Secondary Outcomes (5)

  • circadian rhythms of gonadal hormone and gonadotropin(the change of gonadal hormone and gonadotropin within 24 hours)

    Measured at baseline, and every 10 years during the 40-year follow-up period

  • circadian rhythms of serum total bile acids(the change of serum total bile acids within 24 hours)

    Measured at baseline, and every 10 years during the 40-year follow-up period

  • change in urine metabolite

    Measured at baseline, and every 10 years during the 40-year follow-up period

  • change in intestinal flora

    Measured at baseline, and every 10 years during the 40-year follow-up period

  • change in sperm quality

    Measured at baseline, and every 10 years during the 40-year follow-up period

Study Arms (4)

male, non-obese

male with BMI\<28

male, obese

male with BMI≥28

female, non-obese

female with BMI\<28

female, obese

female with BMI≥28

Eligibility Criteria

Age18 Years - 30 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

Adults aged of 18 to 30 years old.

You may qualify if:

  • Male or female;
  • Aged of 18 to 30 years old;

You may not qualify if:

  • Presence of pituitary/hypothalamic disorders, polycystic ovarian syndrome, thyroid disorders, hypertension, malignant tumor, cardiac insufficiency,hepatic or renal insufficiency, gastrointestinal disorders and acute infection;
  • Receiving psychotropic or hormonal medications including hormonal contraception and hormone therapies;
  • Taking lipid-lowering agents or hypoglycemic agents and other drugs that known to influence cardiovascular health;
  • Pregnancy or lactation women;
  • Obviously poor compliance.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Shandong Provincial Hospital

Jinan, Shandong, 250021, China

RECRUITING

Biospecimen

Retention: SAMPLES WITH DNA

serum,plasma, whole blood, urine, feces and seminal fluid

MeSH Terms

Conditions

Nutrition DisordersLipid Metabolism DisordersObesity

Condition Hierarchy (Ancestors)

Nutritional and Metabolic DiseasesMetabolic DiseasesOverweightOvernutritionBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Jiajun Zhao

    Shandong Provincial Hospital

    STUDY CHAIR

Central Study Contacts

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
OTHER
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

April 3, 2018

First Posted

September 13, 2018

Study Start

May 1, 2011

Primary Completion (Estimated)

May 1, 2050

Study Completion (Estimated)

May 1, 2050

Last Updated

May 11, 2022

Record last verified: 2021-11

Locations