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DAILIES® AquaComfort Plus® Multifocal (MF) - Comparative Assessment of Visual Performance

8. juni 2016 opdateret af: Alcon Research

DAILIES® AquaComfort Plus® MF - Comparative Assessment of Visual Performance Using Objective Measurements

The purpose of this study is to evaluate the visual performance of DAILIES® Aqua Comfort Plus® (DACP) MF contact lens using new objective measurements.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

In this 3-treatment, 3-period, 6-sequence crossover study, each subject received all 3 products in randomized order and used 1 product at a time for a duration of 5±1 days before switching to the next assigned product.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

24

Fase

  • Ikke anvendelig

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

41 år til 65 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • History of soft contact lens wear (hydrogel or silicone hydrogel) in both eyes during the past 3 months and able to wear lenses at least 8 hours a day, 5 days a week
  • Spectacle add between +1.50 and +2.50 diopters (D) (inclusive)
  • Requiring lenses within the power range of both study contact lenses to be fitted
  • Cylinder, if present, less or equal to 0.50D in both eyes at Visit 1
  • Vision correctable to 20/30 (0.2 logMAR) or better in each eye at distance
  • Acceptable fit with both study contact lenses
  • Willing to wear lenses every day or at least for a minimum of 5 days per week 6 hours per day, every day if possible
  • Other protocol-defined inclusion criteria may apply

Exclusion Criteria:

  • Current multifocal contact lens wearer
  • Current monovision wearer or failed attempt with monovision
  • Ocular anterior segment infection, inflammation, abnormality, or active disease that would contraindicate contact lens wear
  • Use of systemic or ocular medications which contact lens wear could be contraindicated as determined by the investigator
  • Eye injury or surgery within 12 weeks immediately prior to enrollment in this trial
  • Any moderate or severe ocular condition observed during the slitlamp examination at the enrollment visit
  • History of herpetic keratitis, ocular surgery or irregular cornea
  • Prior refractive surgery (e.g. LASIK, PRK, etc)
  • Monocular (only 1 eye with functional vision) or fit with only 1 lens
  • Habitually uncorrected anisometropia >2.00D
  • Clinically significant anisocoria
  • Participation in any clinical trial within 30 days of the enrollment visit
  • Other protocol-defined exclusion criteria may apply

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: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: DACP MF
DACP MF worn first, followed by DACP and DACP MF (Low Add) as randomized. Lenses worn for 5±1 days, 6 hours per day, in a daily wear daily disposable modality. DACP MF will be worn bilaterally (in both eyes).
Multifocal contact lenses in Low, Medium, High Add
Aktiv komparator: DACP
DACP worn first, followed by DACP MF and DACP MF (Low Add), as randomized. Lenses worn for 5±1 days, 6 hours per day, in a daily wear daily disposable modality. DACP worn as monovision (distance correction in one eye and near correction in the other eye).
Multifocal contact lenses in Low, Medium, High Add
Aktiv komparator: DACP MF (Low Add)
DACP MF (Low Add) worn first, followed by DACP and DACP MF, as randomized. Lenses worn for 5±1 days, 6 hours per day, in a daily wear daily disposable modality. DACP MF (Low Add) worn bilaterally (in both eyes).
Multifocal contact lenses in Low, Medium, High Add

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Area for Each Region (Near and Intermediate) Under the Mean Defocus Curve (AUC) at High Luminance
Tidsramme: Day 5, each product
Visual acuity was measured with contact lenses in place using an Early Treatment Diabetic Retinopathy Study (ETDRS) high contrast logMAR chart under well-lit conditions. Lenses of different spherical powers (+2.00 diopter to -5.00 diopter) were placed in front of the eyes to produce varying levels of defocus, and logMAR acuity at each defocus value was recorded. The area under the defocus curve (AUC) was calculated via the trapezoidal rule for the entire study population by treatment using a 0.3 logMAR threshold for intermediate from -2.00 D (50cm) to -0.50 D (2m) and near from -4.00 D (25cm) to -2.00 D (50cm). A higher value indicates a bigger area of focus. This outcome measure was prespecified for monovision and DACP MF.
Day 5, each product

Samarbejdspartnere og efterforskere

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

Sponsor

Efterforskere

  • Studieleder: Clinical Manager, EMEA, Alcon Research

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. september 2014

Primær færdiggørelse (Faktiske)

1. oktober 2014

Studieafslutning (Faktiske)

1. oktober 2014

Datoer for studieregistrering

Først indsendt

8. september 2014

Først indsendt, der opfyldte QC-kriterier

9. september 2014

Først opslået (Skøn)

10. september 2014

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

11. juli 2016

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

8. juni 2016

Sidst verificeret

1. juni 2016

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • CLT330-P001

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 .