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N/A N=46 Randomized Quadruple-blind Treatment

Evaluation of ColdZyme® Mouth Spray on Prevention and Alleviation of Rhinovirus Induced Common Cold

Common Cold

Enrolled (actual)
46
Serious AEs
0.0%
Results posted
Aug 2024
Primary outcome: Primary: Reduction in Viral Load in the URT — 3.6; 3.3; 4.9; 4.1 log 10 copies/mL — p=0.7146

Study Design & Population

Study type
Interventional
Phase
N/A
Interventions
ColdZyme® mouth spray (Device); Placebo (Device)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
Enzymatica AB
Primary completion
Jun 2013

Outcome Measures

OutcomeResultp-value
PRIMARY
Reduction in Viral Load in the URT
3.6; 3.3; 4.9; 4.1 0.7146
SECONDARY
Prevention of Symptomatic URTI (Upper Respiratory Tract Infection)
21; 16; 2; 7
SECONDARY
Prevention of Asymptomatic URTI
18; 15; 5; 8
SECONDARY
Fewer Days With Symptomatic URTI
2.0; 3.0
SECONDARY
Fewer Days With Asymptomatic URTI
1.0; 1.4
SECONDARY
Lower Level of Proinflammatory Proteins
273.93; 254.45; 1863.36; 2057.59; 101.24; 101.15
SECONDARY
Lower Daily Total Symptom Score
0.9; 0.2; 1.5; 1.4; 4.0; 4.3
SECONDARY
Lower Daily Score of Individual Symptoms
0.22; 0.17; 0.52; 0.57; 0.39; 0.52

Summary

This study evaluates the performance of ColdZyme® mouth spray on prevention and alleviation of induced rhinovirus upper respiratory tract infection in healthy volunteers. Half of participants will receive ColdZyme® mouth spray while the other half will receive placebo.

Eligibility Criteria

Inclusion Criteria

  • Healthy male or female subjects between 18-65 years. The investigator judges the definition of healthy by detailed medical history and physical examination.
  • Females of childbearing potential: should use reliable method of birth control. Reliable methods are hormonal contraceptives (combination pills, injections or implants), intrauterine device, condom or declared absence of sexual contact. Post-menopausal woman is defined as absence of menstrual discharge for at least two years.
  • Signed informed consent form prior to any study-related procedures.
  • Willingness and ability to complete the study.
  • Perceived to have had at least one cold per year.

Exclusion Criteria

  • Smoker, during the last 12 months.
  • Any cold symptom within the last month such as sore throat, sneezing, rhinorrhoea, malaise, nasal obstruction or cough.
  • Presence of serum neutralising antibodies against human rhinovirus16 at screening.
  • Active allergic rhinitis, asthma or chronic obstructive pulmonary disease in last year.
  • Positive for fur allergy (if subject is likely to come in contact with the specific pet) and/or dust-mite allergy in skin prick test at screening.
  • Nasal disease, e.g. nasal polyposis, significant septal deviation, chronic rhinosinusitis, etc.
  • Females: Pregnant, breast-feeding or intentions to become pregnant during the study.
  • Active autoimmune disease in last year.
  • Evidence or history of drug or alcohol abuse.
  • Use of any prescribed or non-prescribed medication (except for contraceptives, paracetamol and ibuprofen) within 2 weeks prior to the first administration of investigational product until the end of study.
  • Use of any over the counter cold prophylaxis products such as C-vitamins, zinc or Echinacea within 1 month prior to the first administration of investigational product until the end of study.
  • Participation in other clinical study within 60 days
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT02522949). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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