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Effectiveness of OS-1 for Water and Electrolyte Supplementation in Sauna-Induced Dehydration. Preventive Effects of Periodic OS-1 Intake

Effectiveness of OS-1 for Water and Electrolyte Supplementation in Sauna-Induced Dehydration. Preventive Effects of Periodic OS-1 Intake - Effectiveness of OS-1 for Water and Electrolyte Supplementation in Sauna-Induced Dehydration. Preventive Effects of Periodic OS-1 Intake

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000012938
Enrollment
12
Registered
2014-01-24
Start date
2013-11-16
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Dehydration

Interventions

OS-1 group (OS-1 is consumed first) Sequence: OS-1 - wash out - MW MW group (MW is consumed first) Sequence: MW - wash out - OS-1

Sponsors

Otsuka pharmaceutical Factory, Inc.
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: 1)male, 20 years of age or older (on the day of informed consent acquisition) 2)body weight between <=50kg and >70kg and body fat 25% or less (The percent of body fat measures it with a commercial body fat calculator) 3) The person that abnormality to become the problem for a study entry by screening examination carried out in an enforcement medical institution is not recognized

Exclusion criteria

Exclusion criteria: 1) The person who performed 400mL of whole blood drawing within 12 weeks before examination food intake of stage I The person who performed 200mL of whole blood drawing within four weeks before examination food intake of stage I The person who performed apheresis (plasma ingredient or platelet ingredient) within two weeks before examination food intake of stage I 2) Person who participated in medication clinical trial within 12 weeks before examination food intake of stage1 3) the person who sweated a large amount by sauna bathing or an intense movement etc within three days before entering of the medical institution 4) Person who was judged unsuitable as subject of examination by examination doctor

Design outcomes

Primary

MeasureTime frame
cumulative urine volume, blood osmolarity

Secondary

MeasureTime frame
Serum electrolyte (Na, K, Cl),hemoglobin, hematocrit, serum total protein, serum albumin blood urea nitrogen, serum glucose, water and electrolyte balance (Na, K, Cl) ,FeNa, sweat electorolyte (Na, K, Cl) ,body weight change, body weight change rate

Countries

Japan

Contacts

Public ContactKenichi Inada

Medical Co. LTA Kyushu Clinical Pharmacology Research Clinic Planning and Coordination Dept

kenichi-inada@lta-med.com092-733-1001

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026