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Evaluating the Efficacy of Topical Insulin for the Restoration of Ocular Surface Interface in Dry Eye Disease.

K

Khyber Teaching Hospital

Status and phase

Enrolling
Phase 4

Conditions

Dry Eye
Insulin Sensitivity

Treatments

Drug: Artificial tear
Drug: insulin human

Study type

Interventional

Funder types

Other

Identifiers

NCT06939959
579/DME/KMC

Details and patient eligibility

About

This is a parallel randomized controlled trial for the treatment of dry eye disease. The main objective is to investigate the efficacy and safety of the use of insulin eye drops in the control of moderate-severe dry eye disease. Topical insulin drops will be compared to artificial tears in improving the ocular surface interface in patients with dry eye disease over 1 year period.

Full description

Patients fulfilling the selection criteria will be enrolled from eye OPD of KTH. A written informed consent will be taken after explaining the purpose of study. Data will be collected on a pre-designed structured proforma. Demographic data including age, gender, educational status, socioeconomic status will be noted. Each participant will undergo a complete history assessment and the OSDI score will be calculated after taking extensive history. Ophthalmologic examination, including visual acuity, refraction, slit-lamp examination, corneal staining, schirmer test and TBUT will be performed in each patient. Both eyes will be selected for each secondary outcome measure (TBUT & SCHIRMER TEST). However, only one OSDI score could only be obtained per patient for assessing primary outcome. All the previous medications used for dry eye will be stopped Participants' eyes will be randomized by blocked randomization in a 1:1 ratio to be treated with topical artificial tears (group I) and topical insulin 1U/ml (group II). The patients will be masked for the treatment, but not the principle investigator. Another investigator will prepare the topical insulin according to a written protocol. Participants will be given a white, unlabeled eye dropper containing the same volume of artificial tears or topical insulin for groups I and II respectively. Group I will receive artificial tears (control group) four times daily. Group II will receive topical insulin of 1u/ml four times daily. Follow-up assessments will be conducted at 4, 8 and 12 weeks for each participant to measure changes in TBUT, schirmer test, and OSDI score.

Enrollment

126 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Patients having Schirmer's test values of less than 10mm after 5 minutes of the procedure recording plus a non-invasive tear breakup time (TBUT) of less than 10 seconds and the Ocular Surface Disease Index (OSDI) of more than 32 (diagnosed as dry eye disease as per the operational definition of this study).
  • any gender.
  • aged 18 years and above.

Exclusion criteria

  • Patients with active ocular infection, severe ocular surface disease other than Dry eye disease, and those who have undergone ocular surgery within the past 6 months.
  • Under 18 years old

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

126 participants in 2 patient groups, including a placebo group

Participant Group/Arm
Placebo Comparator group
Description:
Artificial tears Artificial tears 4 times a day
Treatment:
Drug: Artificial tear
Intervention Group/Arm
Experimental group
Description:
Experimental: Insulin Topical insulin 1UI/ml 4 times a day
Treatment:
Drug: insulin human

Trial contacts and locations

1

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Central trial contact

Shafiq Tanveer, MBBS, FCPS

Data sourced from clinicaltrials.gov

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