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Assessing the feasibility of using nasal saline irrigation for managing acute sinusitis

Saline Nasal Irrigation For acute Sinusitis (SNIFSII)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN13373396
Enrollment
108
Registered
2019-06-11
Start date
2019-08-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Sinusitis - URTI Respiratory

Interventions

Participants are randomised to either: 1. Immediate antibiotics (current usual treatment in primary care) 2. Advice to do nasal irrigation for up to 3 weeks with a ‘back-up’ or delayed antibiotic pres

Sponsors

University of Southampton
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: The researchers pragmatically define acute sinusitis as having sinus discomfort and at least 2 other symptoms (2 of: patient-reported nasal obstruction, patient-reported purulent nasal discharge, or pus seen in the nasal cavity on inspection by the clinician). They do not propose using prior duration (e.g. the requirement for at least 7 days without improvement in the Canadian guidelines) since there is no good evidence for a particular cut-off, and their aim is to help people who are currently being treatment with antibiotics for sinusitis, many of whom present with 7 days.

Exclusion criteria

Exclusion criteria: 1. Inability to complete outcomes (reduced capacity: dementia, severe uncontrolled mental illness; terminal illness etc) 2. Head/neck cancer 3. HIV 4. Immune-suppressive treatment 5. Cystic fibrosis 6. Pregnancy/breastfeeding 7. Other nasal disorders e.g. polyps; poor gag/swallow reflexes

Design outcomes

Primary

MeasureTime frame
1. Antibiotic use measured using patient-reported symptom diary, completed over four weeks or until symptoms resolve. 2. Duration of moderately bad symptoms measured using a validated symptom diary; variables (using 7-point Likert scales): nasal blockage, discharge, unpleasant taste/smell, facial pain, pain on bending, impaired activities, generally unwell, sleep disturbance. Completed over four weeks or until symptoms resolve.

Secondary

MeasureTime frame
1. Symptom duration until little/no problem, measured using patient-reported symptom diary, completed over four weeks or until symptoms resolve 2. Mean symptom score measured using patient-reported symptom diary, completed over four weeks or until symptoms resolve 3. Development of new/worsening symptoms measured using patient-reported symptom diary, completed over four weeks or until symptoms resolve 4. Health-related quality of life measured using EQ5D, completed over four weeks or until symptoms resolve 5. Reconsultations/resource use during the next month measured using patient note reviews conducted by staff at the surgeries

Countries

England, United Kingdom

Contacts

Public ContactTammy Thomas
tet@soton.ac.uk+44 (0)2380 591773

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Aug 9, 2026