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Virucidal pilot study of Nasodine® (povidone-iodine 0.5%) nasal spray in people in South Africa with COVID-19 and confirmed nasal shedding of SARS-CoV-2 virus.

Virucidal pilot study of Nasodine® (povidone-iodine 0.5%) nasal spray in people in South Africa with COVID-19 and confirmed nasal shedding of SARS-CoV-2 virus.

Status
Completed
Phases
Early Phase 1
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12621000034831
Enrollment
23
Registered
2021-01-15
Start date
2020-11-20
Completion date
2020-12-15
Last updated
2023-05-22

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

Conditions

None listed

Brief summary

The primary purpose of this pilot study is to provide an indication that the in vitro disinfectant activity seen against the SARS-CoV-2 virus translates to disinfection of the nasal cavity in vivo of COVID-19 patients in South Africa. Other objectives include collecting data to guide follow-on clinical studies and to provide insights as to mode of action. Overall, the study will provide important insights into the potential role for a PVP-I nasal spray in managing the risk of infection by the virus.

Interventions

Intervention is an aqueous buffered solution of 0.5% povidone-iodine (PVP-I) contained in a 30 mL bottle closed with a traditional nasal spray pump. Subjects will receive a single dose to their nasal passages, administered by the investigator. The amount a subject receives consists of 8 x 140µL pump actuations (4 into each nostril), being 1.12 mL total volume.

Sponsors

Firebrick Pharma Limited
Lead SponsorCommercial sector/Industry

Study design

Allocation
Non-randomised trial
Primary purpose
Prevention

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

Adult (18+ years old) patients with (a) confirmed COVID-19 symptoms and (b) symptom onset within the past five days.

Exclusion criteria

• Known iodine sensitivity • Previously diagnosed thyroid disease • Previously diagnosed kidney disease • Known to be pregnant or currently breastfeeding

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026