Serum Carotenoids and Risk of Gastrointestinal Tract Cancer: Meta-analysis of Ten Studies

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT03433092

Enrollment

40641

Registered

2018-02-14

Start date

2017-11-01

Completion date

2017-12-28

Last updated

2018-02-22

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

Conditions

Gastrointestinal Tract Cancer

Keywords

Serum carotenoids, Gastrointestinal tract cancer, Meta-analysis

Brief summary

Previous studies have suggested that serum carotenoids may be associated with risk of gastrointestinal tract cancer (GIT cancer), but the results were inconsistent. Thus, the investigators conducted a meta-analysis to evaluate the associations between serum carotenoids and risk of GIT cancer.

Interventions

OTHERserum carotenoids

In each study, the serum concentrations of carotenoids were detected by high performance liquid chromatography

Study design

Observational model

OTHER

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Inclusion criteria

* The study had both case and control groups * Serum carotenoids levels, relative risk (RR) or OR and corresponding 95% CI were reported * Patients in case group were diagnosed with GIT cancer

Exclusion criteria

·Animal studies

Design outcomes

Primary

Measure	Time frame	Description
Gastrointestinal Tract Cancer Incident Measure	Through study completion, an average of 5 years.	The gastrointestinal tract cancer incident would be recorded during the follow-up years.

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026