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Dråbeløs Pars Plana Vitrektomi undersøgelse (DVS)

17. september 2026 opdateret af: Nimesh Patel, Massachusetts Eye and Ear Infirmary

To demonstrate that intraoperative use of subtenon triamcinolone acetonide at the time of surgery without postoperative eye drops is non-inferior to the regimen of postoperative eye drops following primary pars plana vitrectomy for retinal detachment.

Studieoversigt

Detaljeret beskrivelse

This is a non-inferiority, single-center, randomized, controlled, open-label clinical trial. Investigators will recruit patients that present to their clinic or emergency department with newly diagnosed mac-on or mac-off rhegmatogenous retinal detachment. Patients will be randomized to one of the following groups:

  • Group 1: A total of 84 study subjects (84 eyes) will receive topical antibiotic qid for one week after surgery, topical prednisolone 1% qid tapered by one drop weekly for four weeks (4/3/2/1 taper), and topical atropine 1% daily for one week.
  • Group 2: A total of 84 study subjects (84 eyes) will receive sub-tenon injection of triamcinolone acetonide (40 mg/mL) at the time of surgery, with no post-operative eye drops.

Both groups will receive subconjunctival injection of antibiotic (cefazolin 50 mg/0.5 ml, moxifloxacin 0.5 mg/0.1 ml, or vancomycin 1 mg/0.1 ml) and subconjunctival injection of dexamethasone (4 mg/ml) at the time of surgery, as well as atropine 1% and antibiotic-steroid ointment (neomycin-polymyxin B-dexamethasone) at the time of surgery.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

168

Fase

  • Fase 4

Kontakter og lokationer

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

Studiesteder

    • Massachusetts
      • Boston, Massachusetts, Forenede Stater, 02114
        • Massachusetts Eye and Ear

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

40 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Primary rhegmatogenous retinal detachment (mac-on or mac-off) requiring pars plana vitrectomy (23, 25 and 27-gauge)

Exclusion Criteria:

  • Need for concomitant lensectomy or cataract surgery
  • Pars plana vitrectomy taking place more than seven days after the initial diagnosis
  • History of any prior vitreoretinal surgery (excluding laser surgery) in surgical eye
  • History of previous retinal detachment in surgical eye
  • History of ocular incisional surgery within six months of surgery (excluding laser surgery) in surgical eye
  • History of ocular laser surgery within 1 month in surgical eye
  • History of intravitreal injection within 1 month in surgical eye
  • Diagnosis of glaucoma or intraocular pressure more than 21 mmHg in either eye
  • Active or chronic or recurrent uncontrolled ocular or systemic disease
  • Active or history of chronic or recurrent inflammatory eye disease
  • Previous history of steroid response
  • Current treatment with oral, topical, or intravitreal corticosteroids
  • Presence of proliferative vitreoretinopathy at the time of diagnosis
  • Presence of giant retinal tear at the time of diagnosis
  • Diagnosis of proliferative diabetic retinopathy
  • Anterior chamber inflammation on presentation in either eye
  • Signs of ocular infection at presentation in either eye
  • Acute external ocular infections
  • Known or suspected sensitivity or allergy to any of the medications used in the operation or postoperatively
  • Inability to use or apply topical eye drops
  • Requirement for silicone oil as a tamponade agent
  • Individuals with impaired decision-making capacity
  • Non-English-speaking subjects

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: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Aktiv komparator: Group 1
  • Subconjunctival antibiotic (cefazolin 50 mg/0.5 mL, moxifloxacin 0.5 mg/0.1 mL, or vancomycin 1 mg/0.1 mL) and subconjunctival dexamethasone (4 mg/mL) at the time of surgery
  • Topical atropine 1% and antibiotic-steroid ointment (neomycin-polymyxin B-dexamethasone) at the time of surgery
  • Topical moxifloxacin 0.5% or Polymyxin/Trimethoprim if patient is allergic to moxifloxacin; 4 times per day for 1 week after surgery.
  • Topical prednisolone 1% 1 drop 4 times per day tapered by one drop weekly for 4 weeks (4/3/2/1 taper)
  • Topical atropine 1% daily for 1 week

Standard of care surgery

Antibiotic eye drop 4 times per day for 1 week after surgery

Andre navne:
  • Vigamox eller Polytrim

Steroid eye drop 4 times per day tapered by one drop weekly for 4 weeks (4/3/2/1 taper) after surgery

Andre navne:
  • Pred forte

Eye drop daily for 1 week after surgery

Andre navne:
  • Atropinsulfat
Aktiv komparator: Group 2
  • Subtenon triamcinolone acetonide (40 mg/1mLl) at the time of surgery
  • Subconjunctival antibiotic (cefazolin 50 mg/0.5 mL, moxifloxacin 0.5 mg/0.1 mL, or vancomycin 1 mg/0.1 mL) and subconjunctival dexamethasone (4 mg/mL) at the time of surgery
  • Topical atropine 1% and antibiotic-steroid ointment (neomycin-polymyxin B-dexamethasone) at the time of surgery
  • No postoperative eye drops

Standard of care surgery

Sub-tenon injection of triamcinolone acetonide (40mg/mL) at the time of surgery

Andre navne:
  • Kenalog-40

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Mean anterior chamber cell
Tidsramme: Day 7 after surgical procedure

Mean anterior chamber cell based on SUN (Standardization of Uveitis Nomenclature) criteria as measured by Slit Lamp Biomicroscopy

Day 7 after surgical procedure

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Mean anterior chamber cell
Tidsramme: Day 1, 30 and 90 after surgical procedure

Mean anterior chamber cell based on Standardization of Uveitis Nomenclature (SUN) criteria as measured by Slit Lamp Biomicroscopy

Day 1, 30 and 90 after surgical procedure
Need for rescue medication (corticosteroid)
Tidsramme: Day 1, 7, 30 and 90 after surgical procedure

Need for additional medication (corticosteroid) to control post-operative inflammation

Day 1, 7, 30 and 90 after surgical procedure
Intraocular pressure less than 5 or more 30 mmHg
Tidsramme: Day 1, 7, 30 and 90 after surgical procedure

Intraocular pressure measured by applanation tonometer or tono-pen

Day 1, 7, 30 and 90 after surgical procedure
Need for medications to reduce intraocular pressure
Tidsramme: Day 1, 7, 30 and 90 after surgical procedure

Need for additional medication to reduce intraocular pressure

Day 1, 7, 30 and 90 after surgical procedure
Visual acuity
Tidsramme: Day 1, 7, 30 and 90 after surgical procedure

Best-corrected visual acuity measured using Snellen chart

Day 1, 7, 30 and 90 after surgical procedure
Degree of pain
Tidsramme: Day 1, 7, 30 and 90 after surgical procedure

Degree of pain on a pain scale of 1-10 (0: pain free, 10: unspeakable pain)

Day 1, 7, 30 and 90 after surgical procedure
Self-reported adherence to positioning
Tidsramme: Day 1 and 7 after surgical procedure

Assessment of self-reported adherence to positioning: "Over the past day or week, what percentage of time or number of hours per day do you think you adhered with the recommended positioning?"

Day 1 and 7 after surgical procedure
Self-reported adherence to eye drops
Tidsramme: Day 1, 7 and 30 after surgical procedure

Assessment of self-reported adherence to eye drops in the control group: "Over the past week or month, what percentage of your drops do you think you took correctly?"

Day 1, 7 and 30 after surgical procedure
Progression of cataract
Tidsramme: Day 30 and 90 after surgical procedure

Evaluation of progression of cataract by Slit Lamp Biomicroscopy

Day 30 and 90 after surgical procedure
Adverse events
Tidsramme: Day 1, 7, 30 and 90 after surgical procedure

Adverse Events including: Endophthalmitis, Re-detachment requiring surgery, Intraocular pressure requiring medication, Need for additional procedures, Any other adverse events

Day 1, 7, 30 and 90 after surgical procedure

Samarbejdspartnere og efterforskere

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

Efterforskere

  • Ledende efterforsker: Nimesh A. Patel, MD, Massachusetts Eye and Ear

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.

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 (Faktiske)

25. juli 2022

Primær færdiggørelse (Faktiske)

25. juli 2026

Studieafslutning (Faktiske)

30. august 2026

Datoer for studieregistrering

Først indsendt

9. april 2022

Først indsendt, der opfyldte QC-kriterier

9. april 2022

Først opslået (Faktiske)

15. april 2022

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

18. september 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

17. september 2026

Sidst verificeret

1. september 2026

Mere information

Begreber relateret til denne undersøgelse

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ja

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

produkt fremstillet i og eksporteret fra U.S.A.

Ja

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