Evaluation of an Electric Stimulator for Medical Use by Personal (LRTPM1) for Visual Function in Early to Intermediate Dry Age-Related Macular Degeneration
A Multicenter, Randomized, Double-Blind, Sham-Controlled, Parallel-Group Exploratory Clinical Trial Evaluating the Efficacy and Safety of an Electric Stimulator for Medical Use by Personal (LRTPM1) in Improving Visual Function in Patients With Early to Intermediate Dry Age-Related Macular Degeneration
The goal of this clinical trial is to evaluate the efficacy and safety of an electric stimulator for medical use by personal (LRTPM1) in patients with early to intermediate dry age-related macular degeneration.
The main questions this study aims to answer are:
- Does the investigational device improve visual function, as assessed by best corrected visual acuity and contrast sensitivity?
- What treatment-emergent adverse events occur during the study?
Participants will:
- Be randomized to receive either active stimulation or sham stimulation
- Apply the assigned investigational device at home once daily for 30 minutes over a 12-week treatment period
- Visit the study site for eye examinations and safety assessments
- Return for a follow-up visit 4 weeks after the end of treatment
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Eunmi Choi, MEng
- Telefonnummer: +821082418099
- E-mail: eunmi.choi@nueyne.com
Undersøgelse Kontakt Backup
- Navn: Youngmin Park, PhD
- E-mail: youngmin.park@nueyne.com
Studiesteder
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Seoul, Sydkorea, 05505
- Asan Medical Center
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Kontakt:
- Yoon Jeon Kim, M.D., Ph.D.
- Telefonnummer: +82 02-3010-1670
- E-mail: anne215@gmail.com
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Gyeonggi-do
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Ansan, Gyeonggi-do, Sydkorea, 15355
- Korea University Ansan Hospital
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Kontakt:
- Cheol Min Yun, M.D., Ph.D.
- Telefonnummer: +82 031-412-5160
- E-mail: yuncheolmin@korea.ac.kr
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Jongno-gu
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Seoul, Jongno-gu, Sydkorea, 03080
- Seoul National University Hospital
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Kontakt:
- Eun Kyoung Lee, M.D., Ph.D.
- Telefonnummer: +82 02-2072-0617
- E-mail: righthanded8282@gmail.com
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Participants aged 50 years or older
- Participants diagnosed with early or intermediate dry age-related macular degeneration
- Participants with best corrected visual acuity measured by the ETDRS visual acuity chart of 20/200 or better and 20/30 or worse
- Participants who have voluntarily decided to participate in the study and have provided written informed consent.
Exclusion Criteria:
- Participants with atrophy involving the foveal center with a diameter of 175 micrometers or greater in at least one eye, as observed by fundus examination or fundus autofluorescence imaging
- Participants with exudative age-related macular degeneration in at least one eye, as observed by fundus examination or optical coherence tomography (OCT)
- Participants with a history of intraocular injection therapy or macular laser treatment, including focal laser photocoagulation or photodynamic therapy
- Participants with retinal or choroidal diseases other than early or intermediate age-related macular degeneration that may affect the study results, including diabetic retinopathy, retinal artery occlusion, retinal vein occlusion, central serous chorioretinopathy, optic neuritis, or uveitis
- Participants who have undergone vitrectomy due to retinal disease, or cataract surgery within 1 month prior to screening
- Participants with ocular media opacity or other conditions that, in the investigator's opinion, may make ophthalmic imaging difficult to interpret, including cataract, vitreous opacity, or vitreous hemorrhage
- Participants with uncontrolled chronic systemic diseases, including diabetes mellitus or chronic kidney disease, or a history of malignancy, except for cases with no recurrence within the past 5 years and no history of chemotherapy
- Participants with autoimmune diseases, including Sjögren's syndrome, rheumatoid arthritis, systemic lupus erythematosus, or Graves' disease
- Participants with severe hearing impairment, sensory abnormalities, or cognitive impairment that may make it difficult to properly perform the study procedures or recognize or report adverse events
- Participants who are hypersensitive to orbital nerve stimulation and are unable to receive treatment
- Participants with a history of drug or alcohol abuse
- Participants diagnosed with psychiatric disorders, including depression, schizophrenia, bipolar disorder, or dementia
- Participants who have participated in another clinical trial within 30 days prior to screening
- Participants who are considered to have other contraindications to use of the investigational medical device, including underlying cardiac disease, seizure-related disorders, implanted metal or electronic devices in the head or neck area including deep brain stimulators, unexplained pain, implanted or wearable pacemakers, or other conditions listed in the product precautions and contraindications. Dental implants are exempt.
- Participants who, in the opinion of the investigator, are deemed inappropriate for participation in the study
- Female participants of childbearing potential who do not agree to use medically accepted contraception during the study period. Medically accepted methods of contraception include condoms, oral contraceptives used consistently for at least 3 months, injectable or implantable contraceptives, or intrauterine devices.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Dobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Eksperimentel: Experimental Group (Active Stimulation, n=20)
Participants randomized to the active stimulation group will receive the investigational electric stimulator for medical use by personal (LRTPM1).
Participants will apply the assigned device at home once daily for 30 minutes over a 12-week treatment period, followed by a 4-week post-treatment follow-up.
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The active intervention uses transcutaneous electrical stimulation (TES) delivered by the investigational personal-use electric stimulator (LRTPM1).
Electrodes are attached to the ocular and periocular area, and the device delivers pulsed electrical stimulation.
Participants will apply the assigned device once daily for 30 minutes over a 12-week treatment period.
Andre navne:
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Sham-komparator: Control Group (Sham Stimulation, n=20)
Participants randomized to the sham stimulation group will receive a sham device that is identical in appearance to the investigational device but does not provide active stimulation.
Participants will apply the assigned device at home once daily for 30 minutes over a 12-week treatment period, followed by a 4-week post-treatment follow-up.
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The sham device is identical in appearance to the active investigational device but does not provide active electrical stimulation.
Participants will apply the assigned sham device once daily for 30 minutes over a 12-week treatment period.
Andre navne:
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Change in Best Corrected Visual Acuity (BCVA) Measured by ETDRS Letter Score
Tidsramme: Baseline, Week 2, Week 6, Week 12, Week 16
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Change from baseline in best corrected visual acuity (BCVA) measured using the Early Treatment Diabetic Retinopathy Study (ETDRS) visual acuity chart.
BCVA will be recorded as an ETDRS letter score.
Higher scores indicate better visual acuity.
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Baseline, Week 2, Week 6, Week 12, Week 16
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Change in Contrast Sensitivity
Tidsramme: Baseline, Week 2, Week 6, Week 12, Week 16
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Change from baseline in contrast sensitivity as measured using a contrast sensitivity chart at four spatial frequencies (3, 6, 12, and 18 cycles/degree).
Contrast sensitivity is recorded as a level value from 1 to 8, with higher recorded values indicating better ability to perceive contrast differences.
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Baseline, Week 2, Week 6, Week 12, Week 16
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Change From Baseline in Geographic Atrophy Maximum Diameter and Area on Fundus Autofluorescence
Tidsramme: Baseline, Week 2, Week 6, Week 12, Week 16
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Change from baseline in the maximum diameter and area of geographic atrophy as assessed by fundus autofluorescence imaging.
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Baseline, Week 2, Week 6, Week 12, Week 16
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Change From Baseline in Drusen Area and Volume on Optical Coherence Tomography (OCT)
Tidsramme: Baseline, Week 6, Week 12, Week 16
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Change from baseline in drusen area and volume as assessed by optical coherence tomography (OCT).
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Baseline, Week 6, Week 12, Week 16
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Change From Baseline in National Eye Institute Visual Function Questionnaire-25 (NEI VFQ-25) Score
Tidsramme: Baseline, Week 12
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Change from baseline in vision-related quality of life as assessed by the NEI VFQ-25.
The total score ranges from 0 to 100, with lower scores indicating better visual function.
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Baseline, Week 12
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Incidence of Treatment-Emergent Adverse Events (TEAEs)
Tidsramme: Baseline through Week 16
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Incidence and severity of treatment-emergent adverse events (TEAEs) occurring from the first investigational device application through Week 16.
TEAEs include, but are not limited to, transient dizziness, drowsiness, skin redness, skin allergy, headache, pain and muscle spasms, ocular symptoms such as transient eye pain, ocular discomfort, and ocular hyperemia, and hypersensitivity reactions around the application site.
Safety will be assessed through monitoring of vital signs, physical examinations, ophthalmic examinations, and adverse event reporting throughout the study period.
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Baseline through Week 16
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Studieleder: Dohyoung Kim, Nu Eyne Co., Ltd.
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- NE_RTN_003
- 1957 (Anden identifikator: Ministry of Food and Drug Safety(MFDS))
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
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