Clinical trial • Phase II • Infectious Disease|Dermatology

KAYVIRUS DSM 33474; KAYVIRUS DSM 33473; PBUNAVIRUS DSM 33593; concentration solution of KAYVIRUS DSM 33473, KAYVIRUS DSM 33474, and PBUNAVIRUS DSM 33593 for Complicated skin wounds (infected wounds) | Staphylococcus aureus wound infection | Pseudomonas aeruginosa wound infection

Phase II trial of KAYVIRUS DSM 33474; KAYVIRUS DSM 33473; PBUNAVIRUS DSM 33593; concentration solution of KAYVIRUS DSM 33473, KAYVIRUS DSM 33474, and PBUN…

Overview

Trial Therapeutic Area
Infectious Disease|Dermatology
Trial Disease
Complicated skin wounds (infected wounds) | Staphylococcus aureus wound infection | Pseudomonas aeruginosa wound infection
Trial Stage
Phase II
Drug Modality
Other

Key dates

Initial CTIS Submission Date
06-10-2025
First CTIS Authorization Date
09-02-2026

Trial design

Randomised, placebo: sodium chloride 0.9% infusion solution (chlorid sodný b. braun 0,9 % infuzní roztok) used as placebo; route: topical application on wound; dosing metadata: max daily amount recorded as 1 ml, max total amount 15 ml (per product record).-controlled Phase II trial across 2 sites in Czechia.

Randomised
Yes
Comparator
Placebo: Sodium chloride 0.9% infusion solution (Chlorid sodný B. Braun 0,9 % infuzní roztok) used as placebo; route: topical application on wound; dosing metadata: max daily amount recorded as 1 ml, max total amount 15 ml (per product record).
Target Sample Size
100
Trial Duration For Participant
42

Eligibility

Recruits 100 No vulnerable population selected in trial metadata. The protocol excludes "Subject is incarcerated, mentally incompetent, or abusing drugs or alcohol." Subjects must provide written informed consent themselves (inclusion criterion: "Subject has provided written Informed consent and is willing and able to comply with the trial requirements"); the age range is 18 to 80 years, so no assent procedures for minors are indicated..

Pregnancy Exclusion
Pregnant women or women planning to become pregnant during the clinical trial
Vulnerable Population
No vulnerable population selected in trial metadata. The protocol excludes "Subject is incarcerated, mentally incompetent, or abusing drugs or alcohol." Subjects must provide written informed consent themselves (inclusion criterion: "Subject has provided written Informed consent and is willing and able to comply with the trial requirements"); the age range is 18 to 80 years, so no assent procedures for minors are indicated.

Inclusion criteria

  • {"criterion_text":"- Subject with acute wound (surgical site or traumatic wound) infection and/or subject with complicated wound (chronic wound or complication of acute wound) infection\n- A wound infected with S. aureus and/or P. aeruginosa as determined by a wound swab\n- Strain isolated from wound swab is susceptible to IMP (as assessed by local laboratory)\n- Subject aged 18 to 80 years\n- No contraindications to the planned medication\n- Subject has provided written Informed consent and is willing and able to comply with the trial requirements\n- A man or woman who can no longer conceive a child (at menopause or after removal of the uterus and/or ovaries) or a woman who has a negative pregnancy test at the first visit and agrees to use an effective method of contraception"}

Exclusion criteria

  • {"criterion_text":"- Condition after organ or bone marrow transplantation\n- Subject is participating in another clinical trial evaluating a drug or medical device that has not completed evaluation of the primary endpoints\n- Subject has other comorbidities or pathologies that, in the opinion of the Investigator, preclude the subject from participating in the clinical trial\n- Wound infection with an epidemiologically serious bacterial strain other than S. aureus or P. aeruginosa\n- Malignancy treatment <1 year prior to the Baseline visit\n- Pregnant women or women planning to become pregnant during the clinical trial\n- Women who are breastfeeding\n- Hypersensitivity to the IMP or placebo component\n- Subject with acute or chronic renal failure requiring dialysis\n- Subject undergoing immunosuppressive therapy (excluding conventional doses of corticosteroids)\n- Subject is incarcerated, mentally incompetent, or abusing drugs or alcohol"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Safety: frequency of all serious (local and systemic) adverse reactions and events (see description in the relevant chapter) suspected or confirmed to be related to IMP administration during the IMP administration phase (0-14 days)","definition_or_measurement_approach":"Frequency of serious local and systemic adverse reactions/events suspected or confirmed related to IMP during IMP administration phase (0-14 days); collected/reported per safety reporting procedures specified in protocol."}
  • {"endpoint_text":"- Efficiency (1): presence of S. aureus and/or P. aeruginosa colonies on wound swabs over the period of IMP application","definition_or_measurement_approach":"Presence/absence of S. aureus and/or P. aeruginosa on wound swab cultures during the period of IMP application (assessed by wound swab and stamp examination)."}
  • {"endpoint_text":"- Efficiency (2): number of S. aureus and/or P. aeruginosa colonies on wound swabs over the period of IMP application","definition_or_measurement_approach":"Quantitative count of S. aureus and/or P. aeruginosa colonies on wound swab cultures during IMP application period (measured from wound swab/stamp examinations)."}

Secondary endpoints

  • {"endpoint_text":"- Occurrence and frequency of all (local and systemic) adverse reactions during the treatment and follow-up phase with a suspected or confirmed relatedness to IMP administration","definition_or_measurement_approach":"Collection and tabulation of all local and systemic adverse reactions during treatment and follow-up, with assessment of relatedness to IMP per protocol safety procedures."}
  • {"endpoint_text":"- Change in mLUMT score during the treatment and follow-up phase","definition_or_measurement_approach":"Change from baseline in mLUMT score measured during treatment and follow-up; mLUMT measured per protocol-specified instrument and schedule."}
  • {"endpoint_text":"- Time from the start of IMP administration to the point of bacterial infection eradication - negative swab for S. aureus and/or P. aeruginosa","definition_or_measurement_approach":"Time (days) from first IMP application to first documented negative wound swab for S. aureus and/or P. aeruginosa."}
  • {"endpoint_text":"- Time from the start of IMP administration until complete wound healing (if this occurs during treatment or follow-up phase)","definition_or_measurement_approach":"Time (days) from first IMP application to complete wound healing as assessed per protocol-defined wound healing criteria."}
  • {"endpoint_text":"- Evaluation of possible differences in efficacy in inpatient and outpatient settings","definition_or_measurement_approach":"Comparative analysis of efficacy outcomes between subjects treated as inpatients versus outpatients per protocol-defined subgroup analyses."}

Recruitment

Planned Sample Size
100
Recruitment Window Months
42
Consent Approach
Written informed consent required from each subject (inclusion criterion: "Subject has provided written Informed consent and is willing and able to comply with the trial requirements"). Age eligibility is 18 to 80 years (no assent procedures indicated). Subject information and informed consent form templates are provided (document titles indicate Czech template: e.g. "Informace pro pacienta a informovany souhlas_v 1_18Sep2025 CZ_template").

Geography

Total Number Of Sites
2
Total Number Of Participants
100

Czechia

Earliest CTIS Part Ii Submission Date
28-11-2025
Latest Decision Or Authorization Date
09-02-2026
Processing Time Days
73
Number Of Sites
2
Number Of Participants
100

Sites

Site Name
Fakultni Nemocnice U Sv Anny V Brne
Department Name
II. chirurgická klinika
Contact Person Name
Robert Staffa
Contact Person Email
rober.staffa@fnusa.cz
Site Name
Fakultni Nemocnice U Sv Anny V Brne
Department Name
I. ortopedická klinika
Contact Person Name
Michal Mahdal
Contact Person Email
michal.mahdal@fnusa.cz

Sponsor

Primary sponsor

Full Name
MB PHARMA s.r.o.
Organisation Type
Pharmaceutical company
Country Of Registered Address
Czechia

Investigational products

Investigational Product Name
DUOFAG
Active Substance
KAYVIRUS DSM 33474; KAYVIRUS DSM 33473; PBUNAVIRUS DSM 33593; concentration solution of KAYVIRUS DSM 33473, KAYVIRUS DSM 33474, and PBUNAVIRUS DSM 33593
Modality
Other
Routes Of Administration
Topical application on wound
Route
Topical application on wound
Maximum Dose
Max daily amount 50000000000 PFU; max total amount 700000000000 PFU
Investigational Product Name
Sodium chloride 0.9% infusion solution (placebo)
Active Substance
SODIUM CHLORIDE
Modality
Small molecule
Routes Of Administration
Topical application on wound
Route
Topical application on wound
Authorisation Status
Authorised in CZ (marketing authorisation number 76/847/92-B/C, authorisation country CZ)
Maximum Dose
Max daily amount 1 ml; max total amount 15 ml

Related trials

Other published trials that may interest you.