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Dispensing Study for the Phenacite Project

30 października 2020 zaktualizowane przez: 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.

Przegląd badań

Status

Zakończony

Warunki

Interwencja / Leczenie

Szczegółowy opis

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

Typ studiów

Interwencyjne

Zapisy (Rzeczywisty)

25

Faza

  • Nie dotyczy

Kontakty i lokalizacje

Ta sekcja zawiera dane kontaktowe osób prowadzących badanie oraz informacje o tym, gdzie badanie jest przeprowadzane.

Lokalizacje studiów

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

Kryteria uczestnictwa

Badacze szukają osób, które pasują do określonego opisu, zwanego kryteriami kwalifikacyjnymi. Niektóre przykłady tych kryteriów to ogólny stan zdrowia danej osoby lub wcześniejsze leczenie.

Kryteria kwalifikacji

Wiek uprawniający do nauki

18 lat do 35 lat (Dorosły)

Akceptuje zdrowych ochotników

Nie

Płeć kwalifikująca się do nauki

Wszystko

Opis

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.

Plan studiów

Ta sekcja zawiera szczegółowe informacje na temat planu badania, w tym sposób zaprojektowania badania i jego pomiary.

Jak projektuje się badanie?

Szczegóły projektu

  • Główny cel: Leczenie
  • Przydział: Randomizowane
  • Model interwencyjny: Zadanie krzyżowe
  • Maskowanie: Podwójnie

Broń i interwencje

Grupa uczestników / Arm
Interwencja / Leczenie
Eksperymentalny: Phenacite
Subjects will be randomized to wear the Phenacite contact lenses binocularly.
Urządzenie: Phenacite
Subjects will be randomized to wear the Phenacite contact lenses binocularly.
Urządzenie: comfilcon A
Subjects will be randomized to wear the comfilcon A contact lenses binocularly.
Aktywny komparator: comfilcon A
Subjects will be randomized to wear the comfilcon A contact lenses binocularly.
Urządzenie: Phenacite
Subjects will be randomized to wear the Phenacite contact lenses binocularly.
Urządzenie: comfilcon A
Subjects will be randomized to wear the comfilcon A contact lenses binocularly.

Co mierzy badanie?

Podstawowe miary wyniku

Miara wyniku
Opis środka
Ramy czasowe
Subjective Ratings of Lens Comfort
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 2 weeks
Over Refraction for optimized distance acuity measured using logMAR
2 weeks
Binocular Distance Visual Acuity - High Illumination High Contrast
Ramy czasowe: 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
Ramy czasowe: 2 weeks
Binocular Distance Visual Acuity - High Illumination High Contrast was measured using logMAR
2 weeks
Binocular Distance Visual Acuity - Low Illumination High Contrast
Ramy czasowe: 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
Ramy czasowe: 2 weeks
Binocular Distance Visual Acuity - Low Illumination High Contrast was measured using logMAR
2 weeks
Binocular Near Visual Acuity - High Illumination High Contrast
Ramy czasowe: 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
Ramy czasowe: 2 weeks
Binocular Near Visual Acuity - High Illumination High Contrast was measured using logMAR
2 weeks
Binocular Near Visual Acuity - Low Illumination High Contrast
Ramy czasowe: 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
Ramy czasowe: 2 weeks
Binocular Near Visual Acuity - Low Illumination High Contrast was measured using logMAR
2 weeks

Miary wyników drugorzędnych

Miara wyniku
Opis środka
Ramy czasowe
Lens Fit - Post Blink Movement
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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
Ramy czasowe: 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

Współpracownicy i badacze

Tutaj znajdziesz osoby i organizacje zaangażowane w to badanie.

Sponsor

CooperVision, Inc.

Śledczy

  • Główny śledczy: Pete Kollbaun, OD PhD, CORL Indiana University

Daty zapisu na studia

Daty te śledzą postęp w przesyłaniu rekordów badań i podsumowań wyników do ClinicalTrials.gov. Zapisy badań i zgłoszone wyniki są przeglądane przez National Library of Medicine (NLM), aby upewnić się, że spełniają określone standardy kontroli jakości, zanim zostaną opublikowane na publicznej stronie internetowej.

Główne daty studiów

Rozpoczęcie studiów

1 kwietnia 2015

Zakończenie podstawowe (Rzeczywisty)

1 lipca 2015

Ukończenie studiów (Rzeczywisty)

1 lipca 2015

Daty rejestracji na studia

Pierwszy przesłany

1 maja 2015

Pierwszy przesłany, który spełnia kryteria kontroli jakości

1 maja 2015

Pierwszy wysłany (Oszacować)

6 maja 2015

Aktualizacje rekordów badań

Ostatnia wysłana aktualizacja (Rzeczywisty)

18 listopada 2020

Ostatnia przesłana aktualizacja, która spełniała kryteria kontroli jakości

30 października 2020

Ostatnia weryfikacja

1 października 2020

Więcej informacji

Terminy związane z tym badaniem

Dodatkowe istotne warunki MeSH

Inne numery identyfikacyjne badania

  • CV-15-16

Informacje o lekach i urządzeniach, dokumenty badawcze

Bada produkt leczniczy regulowany przez amerykańską FDA

Nie

Bada produkt urządzenia regulowany przez amerykańską FDA

Tak

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