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Delayed recovery from naturally infected upper respiratory tract infections by loxoprofen: a randomized controlled trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN71443934
Enrollment
170
Registered
2006-01-17
Start date
2002-12-01
Completion date
Unknown
Last updated
2015-01-13

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

Conditions

Upper Respiratory Tract Infection (URTI) Respiratory Upper respiratory tract infection (URTI)

Interventions

Patients in the intervention group take loxoprofen sodium (60 mg/tablet) and those in the control group take a placebo similar to active loxoprofen

Sponsors

Kyoto University (Japan)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients aged 18 through to 65 years who exhibit symptoms or signs in both the nose and pharynx and have visited physicians within 48 hours after symptom onset

Exclusion criteria

Exclusion criteria: 1. Patients who were clinically supposed to suffer from influenza, pneumonia of any cause, ß-streptococcus tonsillitis, and other bacterial infections 2. Patients with serious or confusing underlying diseases including: bronchial asthma, peptic ulcer, diabetes mellitus, and allergic rhinitis 3. Immunocompromized or pregnant persons 4. Patients who were currently using antibiotics, systemic corticosteroids, immunosuppressants or anticoagulants 5. Patients who had taken NSAIDs or Chinese herbal medicines as cold remedies within 12 hours

Design outcomes

Primary

MeasureTime frame
The interval, in days, from the onset of any URTI symptom to the disappearance of all URTI symptoms

Secondary

MeasureTime frame
Severity of the URTI symptoms

Countries

Japan

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026