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Effects of Water and Kava Consumption Behaviors on Stone Disease and Sleep Quality among Residents of the Kingdom of Tonga

Effects of Water and Kava Consumption Behaviors on Stone Disease and Sleep Quality among Residents of the Kingdom of Tonga

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600116134
Enrollment
Unknown
Registered
2026-01-06
Start date
2026-01-16
Completion date
Unknown
Last updated
2026-08-10

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

Conditions

Stone Disease, Sleep Disorders

Interventions

Kidney stone group:None
Non-kidney stone group:None
Kava group:None
Non-kava group:None

Sponsors

Vaiola Hospital, Kingdom of Tonga
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Aged >= 18 years; 2.Permanent residents (residing for = 6 months) in 7 communities on Tongatapu Island or 3 outer islands (to ensure familiarity with local habits); 3.Willing to cooperate in completing questionnaires, clinical examinations.

Exclusion criteria

Exclusion criteria: 1.Complicated with underlying diseases that may interfere with disease diagnosis, such as chronic kidney disease (e.g., chronic renal failure), gout, and liver cirrhosis; 2.Having undergone stone surgery or lipid-lowering treatment within the past 3 months (which may affect the assessment of disease status); 3.Unable to cooperate due to severe hearing/language impairment.

Design outcomes

Primary

MeasureTime frame
The relationship between kidney stones and water intake volume as well as water source type;Sleep quality (including sleep onset latency and frequency of awakenings);—

Countries

Tonga

Contacts

Public ContactZhang Gaofeng

Vaiola Hospital, Kingdom of Tonga

exgalaxy@163.com+86 186 6160 7191

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 25, 2026