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Evaluation of a Novel Ocular Lubricating Eye Drop (DRAGON)

15. maj 2026 opdateret af: Pleryon Therapeutics (Hangzhou) Limited

The objective of this 2-part study is to assess the safety and tolerability of the new ocular lubricating drop ABR2 during short-term use in subjects for the temporary relief of ocular discomfort due to dryness of the eye.

In Part 1, participant will receive 1 drop of ABR2 in one eye and through assessments over a 1-hour period.

In Part 2, participant will use 1 drop of ABR2 at least two times a day for 28-day period (may use up to 4 times a day as needed) This is a single arm, open label study with no placebo or comparative arm.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Part 1 has a total of 2 scheduled visits, including Screening and Treatment visit. Participants will attend Part 1 for a total of 3.0 hours.

Part 2 has a total of 6 scheduled visits, including the Screening, baseline & dispense visit, day 3, 1-week, 2-week, and 4-week Follow Up. Participants will attend Part 2 for a total of 6.5 hours.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

40

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Undersøgelse Kontakt Backup

Studiesteder

  • Canada
    • Ontario
      • Waterloo, Ontario, Canada, N2L 3G1
        • Rekruttering
        • Centre for Ocular Research & Education, School of Optometry & Vision Science, University of Waterloo
        • Ledende efterforsker:
          • Jill Woods, MSc, MCOptom
        • Kontakt:
        • Kontakt:

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  1. Are at least 18 years of age and have capacity to volunteer
  2. Are able to read (Part 2 only);
  3. Have signed an information and consent letter;
  4. Are willing to follow instructions and maintain the appointment schedule;
  5. Are willing to refrain from contact lens wear throughout the study period;
  6. Have a best corrected visual acuity of +0.20 LogMAR or better in each eye;
  7. Have an OSDI score ≥13 AND at least one of the following signs in at least one eye: Non-invasive tear film break-up time (NITBUT) < 10 sec, AND/OR ocular surface staining (> 5 corneal spots, and/ or > 9 conjunctival spots)

Exclusion Criteria:

  1. Participation in another ocular clinical research study or pharmaceutical clinical study within the past 14 days;
  2. Have a known active ocular disease and/ or infection with the exception of dry eye disease;
  3. Have any slit lamp findings that would contraindicate use of the study product;
  4. Have a systemic condition that would contraindicate use of the study product;
  5. Are using any systemic or topical medications that in the opinion of the investigator may affect a study outcome variable;
  6. Have undergone refractive error surgery or intraocular surgery within the last 12 months;
  7. Have any known sensitivity or allergy to the diagnostic sodium fluorescein or to any ingredients in the study product;
  8. Are using ocular lubricating eye drops more than twice per day on a typical day over the past month (Part 2 only);
  9. Are an employee of the Centre for Ocular Research & Education directly involved in this study

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Ikke-randomiseret
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Part 1
Part 1 Participants
Medicin: Part 1: ABR2 single dose in one eye
Receive a single dose in one eye only
Eksperimentel: Part 2
Part 2 Participants
Medicin: Part 2 ABR2 At least twice a day for 28 days
Use ABR2 at least BID, up to QID for 28 days

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Adverse Events
Tidsramme: At the end of Part 1: 60 minutes after single drop monocular instillation and At the end of Part 2 (after 28 days of bilateral use)
Number of adverse events associated with the use of ocular eye drop. Example of adverse events may include, severe conjunctival and palpebral hyperemia, hypersensitivity, allergic reaction, eyelid edema, and photophobia.
At the end of Part 1: 60 minutes after single drop monocular instillation and At the end of Part 2 (after 28 days of bilateral use)

Andre resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Subjective Ratings of Ocular Comfort, Stinging/Burning Sensation and Vision
Tidsramme: Part 1: Immediately after drop instillation, 10 minutes, 30 minutes and 60 minutes post drop instillation. Part 2: Upon waking and at the end of day weekly for 4 weeks (Home Questionnaire)
Participants will be asked to provide subjective ratings of ocular comfort, stinging/burning sensation and vision based on 0-100 rating scale.
Part 1: Immediately after drop instillation, 10 minutes, 30 minutes and 60 minutes post drop instillation. Part 2: Upon waking and at the end of day weekly for 4 weeks (Home Questionnaire)
Signs of ocular dryness - Non-invasive tear film break up time (NITBUT)
Tidsramme: Part 1: Baseline and 60 minutes after a drop of ABR2 application. Part 2: Baseline, 2 week, and 4 week after ABR2 use
Non-invasive tear film break up time (NITBUT) will be performed to examine signs of ocular dryness.
Part 1: Baseline and 60 minutes after a drop of ABR2 application. Part 2: Baseline, 2 week, and 4 week after ABR2 use
High Contrast High Luminance (HCHI) LogMAR Visual Acuity
Tidsramme: Part 1: Baseline, immediate, 5 minutes, 10 minutes, 30 minutes and 60 minutes after drop application Part 2: Baseline, day 3, 1-week, 2-week and 4-week follow up
Monocular and binocular HCHI VA
Part 1: Baseline, immediate, 5 minutes, 10 minutes, 30 minutes and 60 minutes after drop application Part 2: Baseline, day 3, 1-week, 2-week and 4-week follow up

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Pleryon Therapeutics (Hangzhou) Limited

Samarbejdspartnere

University of Waterloo School of Optometry and Vision Science

Efterforskere

  • Studiestol: Charis Lau, PharmD, OD, Pleryon Therapeutics
  • Ledende efterforsker: Jill Woods, MSc, MCOptom, Centre for Ocular Research & Education, University of Waterloo

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Hjælpsomme links

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. maj 2026

Primær færdiggørelse (Anslået)

1. januar 2027

Studieafslutning (Anslået)

1. maj 2027

Datoer for studieregistrering

Først indsendt

8. maj 2026

Først indsendt, der opfyldte QC-kriterier

13. maj 2026

Først opslået (Faktiske)

18. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

19. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

15. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • PN251
  • P/892/25/PL (Anden identifikator: Centre for Ocular Research & Education)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

IPD-planbeskrivelse

Small sample size re-identification risk and limited infrastructure for external data access.

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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