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Dispensing Study for the Phenacite Project

30. oktober 2020 opdateret af: CooperVision, Inc.

Dispensing Study for the Phenacite Project.

The investigational test lens was not the final optical design and the study was not used for design validation.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Evaluate the objective and patient-reported visual acceptability of the Phenacite contact lens.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

25

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

  • Forenede Stater
    • Indiana
      • Bloomington, Indiana, Forenede Stater, 47405
        • Clinical Optics Research Lab (CORL) Indiana University School of Optometry, Indiana University

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

18 år til 35 år (Voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Oculo-visual examination in the last two years
  • Between 18 and 35 years of age and has full legal capacity to volunteer
  • Has read and understood the informed consent letter
  • Is willing and able to follow instructions and maintain the appointment schedule
  • Is correctable to a visual acuity of 20/25 or better (in each eye) with their habitual correction or 20/20 best corrected
  • Currently wears, or has previously successfully worn, soft contact lenses between -1.00D and -4.00D
  • Spherical Contact Lens Rx between -1.00 and -4.00 and spectacle cylinder ≤-0.75
  • Has not worn lenses for at least 12 hours before the initial visit
  • Has a subjective response at baseline, which indicates suitability for this study
  • Currently spends a minimum of 4 hours a day; 5 days a week on digital devices and can replicate this time during the study period
  • Is willing and able to wear the study contact lenses a minimum of 10 hours per day; 5 days a week.

Exclusion Criteria:

  • Has never worn contact lenses before
  • Any systemic disease affecting ocular health
  • Is using any systemic or topical medications that will affect ocular health
  • Has known sensitivity to the diagnostic pharmaceuticals or study products used in this study.
  • Has any ocular pathology or anomaly that would affect the wearing of the lenses
  • Has persistent, clinically significant corneal or conjunctival staining using sodium fluorescein dye
  • Is aphakic
  • Has anisometropia of >1.00
  • Has undergone corneal refractive surgery
  • Has strabismus
  • Has any ocular amblyopia >= 1line of HC Visual Acuity
  • Is participating in any other type of eye related clinical or research study
  • Has participated in study CV-14-32.

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: Randomiseret
  • Interventionel model: Crossover opgave
  • Maskning: Dobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Phenacite
Subjects will be randomized to wear the Phenacite contact lenses binocularly.
Enhed: Phenacite
Subjects will be randomized to wear the Phenacite contact lenses binocularly.
Enhed: comfilcon A
Subjects will be randomized to wear the comfilcon A contact lenses binocularly.
Aktiv komparator: comfilcon A
Subjects will be randomized to wear the comfilcon A contact lenses binocularly.
Enhed: Phenacite
Subjects will be randomized to wear the Phenacite contact lenses binocularly.
Enhed: comfilcon A
Subjects will be randomized to wear the comfilcon A contact lenses binocularly.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Subjective Ratings of Lens Comfort
Tidsramme: Baseline (after 15 minutes of lens dispense)
Subjective ratings of lens comfort. Comfort Scale (0,100; 0=extremely uncomfortable/cannot tolerate; 100 = extremely comfortable/cannot be felt)
Baseline (after 15 minutes of lens dispense)
Subjective Ratings of Lens Comfort
Tidsramme: 2 Weeks
Subjective ratings of lens comfort. Comfort Scale (0,100; 0=extremely uncomfortable/cannot tolerate; 100 = extremely comfortable/cannot be felt)
2 Weeks
Over Refraction for Optimized Distance Acuity
Tidsramme: 2 weeks
Over Refraction for optimized distance acuity measured using logMAR
2 weeks
Binocular Distance Visual Acuity - High Illumination High Contrast
Tidsramme: Baseline (after 5 minutes of lens dispense)
Binocular Distance Visual Acuity - High Illumination High Contrast was measured using logMAR
Baseline (after 5 minutes of lens dispense)
Binocular Distance Visual Acuity - High Illumination High Contrast
Tidsramme: 2 weeks
Binocular Distance Visual Acuity - High Illumination High Contrast was measured using logMAR
2 weeks
Binocular Distance Visual Acuity - Low Illumination High Contrast
Tidsramme: Baseline (after 5 minutes of lens dispense)
Binocular Distance Visual Acuity - Low Illumination High Contrast was measured using logMAR
Baseline (after 5 minutes of lens dispense)
Binocular Distance Visual Acuity - Low Illumination High Contrast
Tidsramme: 2 weeks
Binocular Distance Visual Acuity - Low Illumination High Contrast was measured using logMAR
2 weeks
Binocular Near Visual Acuity - High Illumination High Contrast
Tidsramme: Baseline (after 5 minutes of lens dispense)
Binocular Near Visual Acuity - High Illumination High Contrast was measured using logMAR
Baseline (after 5 minutes of lens dispense)
Binocular Near Visual Acuity - High Illumination High Contrast
Tidsramme: 2 weeks
Binocular Near Visual Acuity - High Illumination High Contrast was measured using logMAR
2 weeks
Binocular Near Visual Acuity - Low Illumination High Contrast
Tidsramme: Baseline (after 5 minutes of lens dispense)
Binocular Near Visual Acuity - Low Illumination High Contrast was measured using logMAR
Baseline (after 5 minutes of lens dispense)
Binocular Near Visual Acuity - Low Illumination High Contrast
Tidsramme: 2 weeks
Binocular Near Visual Acuity - Low Illumination High Contrast was measured using logMAR
2 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Lens Fit - Post Blink Movement
Tidsramme: Baseline (after 15 minutes of lens dispense)
Investigator assessment of Amount of movement (to the nearest 0.1mm) immediately after the blink (0.1mm steps)
Baseline (after 15 minutes of lens dispense)
Lens Fit - Post Blink Movement
Tidsramme: 2 weeks
Investigator assessment of Amount of movement (to the nearest 0.1mm) immediately after the blink (0.1mm steps)
2 weeks
Push - Up Test for Lens Tightness
Tidsramme: Baseline (after 15 minutes of lens dispense)
Investigator assessment using Continuous Scale 0-100% (1% steps): 0%=Falls from cornea without lid support, 50%=Optimum, 100%=No movement
Baseline (after 15 minutes of lens dispense)
Push - Up Test for Lens Tightness
Tidsramme: 2 weeks
Investigator assessment using Continuous Scale 0-100% (1% steps): 0%=Falls from cornea without lid support, 50%=Optimum, 100%=No movement
2 weeks
Lens Mobility Rating
Tidsramme: Baseline (after 15 minutes of lens dispense)
Investigator assessment using 5 Categories in 0.50 steps: 0=Immobile - no lag in any versions, 1=Restricted - no lag in some directions but slight lag (0-0.25mm) in others, 2=Secure - slight lag (0.25-0.5mm in each version), 3=Unrestricted - freely lags in a controlled manner on all versions, but not excessive (0.5-1.0mm), 4=Very mobile - excessive lag (>1mm) on versions in all directions in 0.25 steps
Baseline (after 15 minutes of lens dispense)
Lens Mobility Rating
Tidsramme: 2 weeks
Investigator assessment using 5 Categories in 0.50 steps: 0=Immobile - no lag in any versions, 1=Restricted - no lag in some directions but slight lag (0-0.25mm) in others, 2=Secure - slight lag (0.25-0.5mm in each version), 3=Unrestricted - freely lags in a controlled manner on all versions, but not excessive (0.5-1.0mm), 4=Very mobile - excessive lag (>1mm) on versions in all directions in 0.25 steps
2 weeks
Overall Lens Fit Acceptance
Tidsramme: Baseline (after 15 minutes of lens dispense)
Investigator assessment using 5 Categories in 0.25 steps: 0=Can't be worn, 1=Poor - should not be dispensed although no immediate danger, 2=Fair, 3=Good, 4=Optimum in 0.25 steps
Baseline (after 15 minutes of lens dispense)
Overall Lens Fit Acceptance
Tidsramme: 2 weeks
Investigator assessment using 5 Categories in 0.25 steps: 0=Can't be worn, 1=Poor - should not be dispensed although no immediate danger, 2=Fair, 3=Good, 4=Optimum in 0.25 steps
2 weeks
Subjective Ratings for Vision Quality - Distance Vision
Tidsramme: Baseline (after 15 minutes of lens dispense)
Patient subjective scoring using 0-100 continuous scale for Distance Quality of Vision: 0=extremely poor vision all of the time. Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
Baseline (after 15 minutes of lens dispense)
Subjective Ratings for Vision Quality - Distance Vision
Tidsramme: 2 weeks
Patient subjective scoring using 0-100 continuous scale for Distance Quality of Vision: 0=extremely poor vision all of the time. Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
2 weeks
Subjective Ratings for Vision Quality - Near Vision
Tidsramme: Baseline (after 15 minutes of lens dispense)
Patient subjective scoring using 0-100 continuous scale for Near Quality of Vision: 0=extremely poor vision all of the time. Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
Baseline (after 15 minutes of lens dispense)
Subjective Ratings for Vision Quality - Near Vision
Tidsramme: 2 weeks
Patient subjective scoring using 0-100 continuous scale for Near Quality of Vision: 0=extremely poor vision all of the time. Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
2 weeks
Subjective Ratings for Vision Quality - Computer Vision
Tidsramme: Baseline (after 15 minutes of lens dispense)
Patient subjective scoring using 0-100 continuous scale for Computer Vision: 0=extremely poor vision all of the time. Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
Baseline (after 15 minutes of lens dispense)
Subjective Ratings for Vision Quality - Computer Vision
Tidsramme: 2 weeks
Patient subjective scoring using 0-100 continuous scale for Computer Vision: 0=extremely poor vision all of the time. Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
2 weeks
Subjective Ratings for Vision Quality - Overall Vision
Tidsramme: Baseline (after 15 minutes of lens dispense)
Patient subjective scoring using 0-100 continuous scale for Overall Vision: 0=extremely poor vision all of the time. Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
Baseline (after 15 minutes of lens dispense)
Subjective Ratings for Vision Quality - Overall Vision
Tidsramme: 2 weeks
Patient subjective scoring using 0-100 continuous scale for Overall Vision: 0=extremely poor vision all of the time. Cannot function; 20= Frequently annoying vision problems; 40=Occasionally annoying vision problems; 60=occasionally noticeable but not annoying vision problems; 80=rarely noticeable vision problems; 100=excellent vision all of the time
2 weeks
Corneal Staining Extent
Tidsramme: 2 weeks
Corneal staining extent was assessed on a scale of 0-4 (0-No Staining, 1 - 1-15% of area, 2- 16-30% of area, 3- 31-45% of area, 4- >45% of area
2 weeks
Conjunctival Staining
Tidsramme: 2 weeks
Conjunctival staining was assessed on a scale of 0-4, 0.50 steps (0-None, 1 - Minimal diffuse punctuate, 2- Coalescent Punctuate, 3- confluent, 4- Deep confluent
2 weeks

Samarbejdspartnere og efterforskere

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

Sponsor

CooperVision, Inc.

Efterforskere

  • Ledende efterforsker: Pete Kollbaun, OD PhD, CORL Indiana University

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

1. april 2015

Primær færdiggørelse (Faktiske)

1. juli 2015

Studieafslutning (Faktiske)

1. juli 2015

Datoer for studieregistrering

Først indsendt

1. maj 2015

Først indsendt, der opfyldte QC-kriterier

1. maj 2015

Først opslået (Skøn)

6. maj 2015

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

18. november 2020

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

30. oktober 2020

Sidst verificeret

1. oktober 2020

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • CV-15-16

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

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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