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OCEAN Registry: Obesity and Clock for Elegant Aging Registry

OCEAN Registry: Obesity and Clock for Elegant Aging Registry 肥胖控制及生理時鐘之研究計畫

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT02674230
Acronym
OCEAN
Enrollment
2000
Registered
2016-02-04
Start date
2011-07-01
Completion date
2035-06-01
Last updated
2026-06-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Aging, Cardiovascular Disease, Circadian Dysregulation, Obesity

Brief summary

This study aims to study the relationships between obesity, circadian rhythm, and aging. The investigators set up a prospective cohort registry for morbid obesity, obesity, and normal subjects with annual follow-up. The cohort aims to investigate the pathophysiological, molecular, genetic, and cellular aspects of the relationships between obesity, circadian deregulation, and impacts on aging. Clinical data, questionnaires, biological material, and molecular signatures will be collected and investigated.

Detailed description

The objective of this observational study is the follow-up of 2000 adult obesity (BMI ≥ 35 and 24-35 kg/m2) and non-obese subjects with annual follow-up for 10 years. Clinical data, biochemistry, and biological samples (serum, DNA, RNA, white blood cells) will be collected and stored. Adipose tissues will be collected if participants received liposuction, plastic surgery, bariatric surgery, dermatological procedure, intra-abdominal operation, and cardiovascular surgery. Questionnaires will be obtained with special nurse including sleep quality, chronotypes, and circadian activities. During follow up period, major adverse cardiovascular events will be monitored. The investigators anticipate that the results generated from the study will provide valuable data to a better understanding of the relationships between obesity, circadian rhythm, and aging.

Interventions

None listed

Sponsors

Chang Gung Memorial Hospital
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
20 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Age ≥ 20 years old * Body mass index ≥ 24 kg/m2 * For normal subjects, Body mass index \< 24 kg/m2

Exclusion criteria

* No inform consent * Use of steroid medications * Severe systemic diseases or organ failure with estimated life expectancy of 6 months or less

Design outcomes

Primary

MeasureTime frame
Body weight10 years

Secondary

MeasureTime frame
Major Cardiovascular Adverse Events3, 6, 12, and 18 months. 2, 5, and 10 years
Sleep quality as assessed by Pittsburgh Sleep Quality Index (PSQI) questionnaire3, 6, 12, and 18 months. 2, 5, and 10 years
Personal chronotype (biological clock) as assessed by Munich Chronotype Questionnaire3, 6, 12, and 18 months. 2, 5, and 10 years

Countries

Taiwan

Contacts

CONTACTChao-Yung Wang, MD
cwang@ocean.ag886-3-3281200
PRINCIPAL_INVESTIGATORChao-Yung Wang, MD

Chang Gung Memorial Hospital

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 24, 2026