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Study · Animal study (in vivo) · rabbit · 2016

12 results

An Independent Evaluation of a Novel Peptide Mimetic, Brilacidin (PMX30063), for Ocular Anti-infective.

Kowalski RP, Romanowski EG, Yates KA, Mah FS

Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics26 Oct 2015Cited by 69 (Europe PMC)

Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study12

12 results from studies that gave the peptide. No result from this study comes from people.

  1. 01AnimalAnimal study (in vivo)Safety outcome

    In rabbits, Draize testing classified brilacidin 0.5% as minimally irritating.

    In plain wordsIn rabbits, brilacidin eye treatment caused minimal irritation.

    Peptide
    Brilacidin
    Outcome
    Not applicableOcular irritation
    Study

    rabbitn: not reported in source

    Ocular Draize testing
    Outcome group
    Adverse events · Eye
    Studied dose
    0.5% · topicalAs given in this study (rabbit).

    Source sentences

    Summary
    In vivo: Draize testing determined BRI 0.5% to be minimally irritating.
  2. 02AnimalAnimal study (in vivo)Activity measurement

    In rabbits with abraded corneas, brilacidin did not differ statistically from vancomycin in reducing MRSA.

    In plain wordsIn rabbits with damaged corneal surfaces, brilacidin and vancomycin did not differ significantly in reducing MRSA.

    Peptide
    Brilacidin
    Outcome
    No significant changeMRSA reduction
    Study

    rabbitn: not reported in source

    MRSA keratitis with abraded corneas
    Comparator
    Vancomycin
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    0.5% · topical · 5 hAs given in this study (rabbit).

    Source sentences

    Summary
    For abraded corneas, BRI was not statistically different from VAN for reducing MRSA.
    2 context sentences
    Summary · context
    For efficacy testing, both corneas of 24 rabbits were infected with methicillin-resistant S. aureus (MRSA), whereas the corneal epithelium was removed in the left eye.
    Summary · context
    After 4 h, 21 topical drops over 5 h were administered to 4 groups: BRI 0.5%, vancomycin (VAN) 5%, saline, and no treatment.
  3. 03AnimalAnimal study (in vivo)Activity measurement

    In the rabbit keratitis experiment, brilacidin was bactericidal.

    In plain wordsIn rabbits with corneal infection, brilacidin killed bacteria.

    Peptide
    Brilacidin
    Outcome
    DecreaseBactericidal activity
    Study

    rabbitn: not reported in source

    MRSA keratitis
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    0.5% · topical · 5 hAs given in this study (rabbit).

    Source sentences

    Summary
    BRI was bactericidal.
    1 context sentence
    Summary · context
    For efficacy testing, both corneas of 24 rabbits were infected with methicillin-resistant S. aureus (MRSA), whereas the corneal epithelium was removed in the left eye.
  4. 04AnimalAnimal study (in vivo)Activity measurement

    In rabbits with intact corneas, brilacidin reduced fewer CFU than vancomycin.

    In plain wordsIn rabbits with intact corneas, brilacidin reduced bacteria less than vancomycin.

    Peptide
    Brilacidin
    Outcome
    IncreaseCorneal CFU
    Study

    rabbitn: not reported in source

    MRSA keratitis with intact corneas
    Comparator
    Vancomycin
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    0.5% · topical · 5 hAs given in this study (rabbit).

    Source sentences

    Summary
    For intact corneas, VAN reduced more CFU than BRI.
    1 context sentence
    Summary · context
    For efficacy testing, both corneas of 24 rabbits were infected with methicillin-resistant S. aureus (MRSA), whereas the corneal epithelium was removed in the left eye.
  5. 05AnimalAnimal study (in vivo)Activity measurement

    In rabbits, brilacidin reduced CFU more in abraded than intact corneas.

    In plain wordsIn rabbits, brilacidin reduced bacteria more in damaged corneas than in intact corneas.

    Peptide
    Brilacidin
    Outcome
    IncreaseCFU reduction by epithelial status
    Study

    rabbitn: not reported in source

    MRSA keratitis
    Comparator
    Intact corneas
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    0.5% · topical · 5 hAs given in this study (rabbit).

    Source sentences

    Summary
    BRI reduced CFU in abraded corneas more than intact corneas suggesting poor corneal penetration.
    1 context sentence
    Summary · context
    For efficacy testing, both corneas of 24 rabbits were infected with methicillin-resistant S. aureus (MRSA), whereas the corneal epithelium was removed in the left eye.
  6. 06LabIn vitro (cells)Activity measurement

    In lab tests, S. aureus and S. epidermidis had the lowest brilacidin minimum inhibitory concentrations among tested bacterial groups.

    In plain wordsIn lab tests, brilacidin had its lowest inhibitory concentrations against S. aureus and S. epidermidis among tested bacteria.

    Peptide
    Brilacidin
    Outcome
    Not applicableMinimum inhibitory concentrations
    Study

    n: not reported in source

    Bacterial isolates
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    Dose not stated

    Source sentences

    Summary
    In vitro: Both SA and SE had the lowest minimum inhibitory concentrations among the bacterial groups.
  7. 07LabIn vitro (cells)Activity measurement

    In lab tests, the brilacidin MIC90 for S. pneumonia was 4-fold higher than for S. aureus and S. epidermidis.

    In plain wordsIn lab tests, the brilacidin inhibitory concentration for S. pneumonia was higher than for S. aureus and S. epidermidis.

    Peptide
    Brilacidin
    Outcome
    IncreaseS. pneumonia MIC90
    Study

    n: not reported in source

    Bacterial isolates
    Comparator
    S. aureus and S. epidermidis
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The MIC90s to BRI for SP, SV, MS, HI, PA, and SM were 4, 32, 256, 32, 16, and 128-fold higher, respectively, than SA and SE.
  8. 08LabIn vitro (cells)Activity measurement

    In lab tests, the brilacidin MIC90 for S. viridans was 32-fold higher than for S. aureus and S. epidermidis.

    In plain wordsIn lab tests, the brilacidin inhibitory concentration for S. viridans was higher than for S. aureus and S. epidermidis.

    Peptide
    Brilacidin
    Outcome
    IncreaseS. viridans MIC90
    Study

    n: not reported in source

    Bacterial isolates
    Comparator
    S. aureus and S. epidermidis
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The MIC90s to BRI for SP, SV, MS, HI, PA, and SM were 4, 32, 256, 32, 16, and 128-fold higher, respectively, than SA and SE.
  9. 09LabIn vitro (cells)Activity measurement

    In lab tests, the brilacidin MIC90 for Moraxella was 256-fold higher than for S. aureus and S. epidermidis.

    In plain wordsIn lab tests, the brilacidin inhibitory concentration for Moraxella was higher than for S. aureus and S. epidermidis.

    Peptide
    Brilacidin
    Outcome
    IncreaseMoraxella MIC90
    Study

    n: not reported in source

    Bacterial isolates
    Comparator
    S. aureus and S. epidermidis
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The MIC90s to BRI for SP, SV, MS, HI, PA, and SM were 4, 32, 256, 32, 16, and 128-fold higher, respectively, than SA and SE.
  10. 10LabIn vitro (cells)Activity measurement

    In lab tests, the brilacidin MIC90 for H. influenzae was 32-fold higher than for S. aureus and S. epidermidis.

    In plain wordsIn lab tests, the brilacidin inhibitory concentration for H. influenzae was higher than for S. aureus and S. epidermidis.

    Peptide
    Brilacidin
    Outcome
    IncreaseH. influenzae MIC90
    Study

    n: not reported in source

    Bacterial isolates
    Comparator
    S. aureus and S. epidermidis
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The MIC90s to BRI for SP, SV, MS, HI, PA, and SM were 4, 32, 256, 32, 16, and 128-fold higher, respectively, than SA and SE.
  11. 11LabIn vitro (cells)Activity measurement

    In lab tests, the brilacidin MIC90 for P. aeruginosa was 16-fold higher than for S. aureus and S. epidermidis.

    In plain wordsIn lab tests, the brilacidin inhibitory concentration for P. aeruginosa was higher than for S. aureus and S. epidermidis.

    Peptide
    Brilacidin
    Outcome
    IncreaseP. aeruginosa MIC90
    Study

    n: not reported in source

    Bacterial isolates
    Comparator
    S. aureus and S. epidermidis
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The MIC90s to BRI for SP, SV, MS, HI, PA, and SM were 4, 32, 256, 32, 16, and 128-fold higher, respectively, than SA and SE.
  12. 12LabIn vitro (cells)Activity measurement

    In lab tests, the brilacidin MIC90 for S. marcescens was 128-fold higher than for S. aureus and S. epidermidis.

    In plain wordsIn lab tests, the brilacidin inhibitory concentration for S. marcescens was higher than for S. aureus and S. epidermidis.

    Peptide
    Brilacidin
    Outcome
    IncreaseS. marcescens MIC90
    Study

    n: not reported in source

    Bacterial isolates
    Comparator
    S. aureus and S. epidermidis
    Outcome group
    Infection and antimicrobial activity · Infection
    Studied dose
    Dose not stated

    Source sentences

    Summary
    The MIC90s to BRI for SP, SV, MS, HI, PA, and SM were 4, 32, 256, 32, 16, and 128-fold higher, respectively, than SA and SE.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    27 Oct 2026, 18:20 UTC

    Study results updated

  2. Version 1

    27 Oct 2026, 16:32 UTC

    First added · source update from Europe PMC

Subjects

Terms as the source lists them.

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