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Trial investigating the effect of a light-therapy sleep mask on the progression of advanced diabetic retinopathy

Prospective open label clinical trial of a phototherapeutic eye mask for patients with diabetic retinopathy

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN81658067
Enrollment
45
Registered
2016-01-28
Start date
2013-03-01
Completion date
Unknown
Last updated
2019-02-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Diabetic retinopathy Eye Diseases Moderate proliferative, or non-proliferative retinopathy and progressive Diabetic Macular Edema (DME)

Interventions

All participants, having been screened and consented, are given a light-emitting sleep mask to be worn each night for 6 months. The masks emit a low intensity, green light (peak wavelength 504±5nm and

Sponsors

PolyPhotonix Ltd.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Aged 18 years or over 2. Diabetic macular edema (DME) greater than 220um (central subfield thickness) in either eye

Exclusion criteria

Exclusion criteria: Patients presenting with significant coneal opacity that precludes OCT and fundus photography.

Design outcomes

Primary

MeasureTime frame
1. Best corrected visual acuity (VA) is assessed at a distance of 4 metres using ETDRS boards at baseline, 3 and 6 months 2. Macular thickness is assessed by spectral domain optical coherence tomography (OCT) at baseline, 3 and 6 months

Secondary

MeasureTime frame
1. Compliance with treatment is assessed by mask usage time (recorded by the masks) after 6 months of use 2. Experience of use is assessed using a questionnaire (specially designed for the purpose of this study) after 6 months of use 3. Control of diabetes is assessed by measuring glycated haemoglobin (HbA1c) at baseline and 6 months

Countries

Czech Republic

Contacts

Public ContactLuke Barclay

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026