Study in Prostaglandin Associated Peri-orbitopathy Switching From Prostaglandin Monotherapy to Omidenepag Isopropyl (NOPAPS)



Status and phase

Phase 4


Ocular Hypertension
Normal Tension Glaucoma
Glaucoma, Suspect
Primary Open-angle Glaucoma


Drug: Eybelis ophthalmic solution 0.002%

Study type


Funder types




Details and patient eligibility


This study is for patients have been using prostaglandin analogue eye drops with a preservative for 3 months or more and have been diagnosed with prostaglandin-associated peri-orbital disease. the investigators would like to confirm the real world evidence(RWE) of safety and efficacy after changing to Eybelis ophthalmic solution 0.002%.

Full description

This clinical trial is a single-arm, multicenter, prospective clinical trial, in which participants have consented to participate in the clinical trial are sequentially registered and proceeded. The participant's participation period is a total of 24 weeks after the 4-week wash-out period, and according to the visit schedule, tests according to medical procedures are conducted at Screening, Baseline, 6, 12, 18, and 24 weeks to collect data on safety and effectiveness.


150 estimated patients




19 to 79 years old


No Healthy Volunteers

Inclusion criteria

  1. Adults between 19 and 79 years of age.

  2. Normal Tension Glaucoma, Primary open-angle glaucoma, Glaucoma suspect and Ocular hypertension patients.

  3. Patients who have received prostaglandin analogue (PGA) eye drops with preservatives for at least 3 months from the date of consent.

  4. Patients diagnosed with prostaglandin associated peri-orbitopathy due to the use of Prostaglandin analogue (PGA) eye drops with preservatives.

    • DUES (Deepening of Upper Eyelid Sulcus)
    • FLEB (Flattening of Lower Eyelid Bag)
    • Upper eyelid ptosis
    • Periorbital hyperpigmentation
    • Ciliary hypertrichosis
  5. Those who have agreed in writing to participate in this clinical trial.

Exclusion criteria

  1. Patients with glaucoma caused by secondary causes such as pseudo-exfoliative glaucoma and pigment dispersion syndrome
  2. Patients with intraocular pressure greater than 34 mmHg
  3. Patients with severe visual impairment (Mean deviation -20dB or more)
  4. History of eye surgery within 6 months from the date of consent (Corneal refractive surgery or intraocular surgery including LASIK and LASEK that affect the condition of the ocular surface)
  5. Patients with severe dry eyes (those receiving or in need of drug treatment), those with eye allergies, infections, or inflammatory diseases
  6. Those who are using systemic or eye steroids (except for topical skin)
  7. Those who are using eye drops for the treatment of glaucoma other than Prostaglandin analogues eye drops with preservatives
  8. Pregnant or lactating women
  9. Those with hypersensitivity to anesthetic eye drops, fluorescein, or research drugs
  10. Those who need to wear contact lenses during the clinical trial period
  11. Artificial lens eye (pseudophakia) or aphakic eye (aphakia)
  12. Periocular trauma, surgical history, or thyroid orbitopathy affecting the evaluation of prostaglandin associated peri-orbitopathy
  13. Other clinical investigators judged to be inappropriate to participate in clinical trials

Trial design

Primary purpose




Interventional model

Single Group Assignment


None (Open label)

150 participants in 1 patient group

omidenepag isopropyl 0.02mg
Experimental group
Instill 1 drop of Eybelis ophthalmic solution 0.002% once a day into the affected eye.
Drug: Eybelis ophthalmic solution 0.002%

Trial contacts and locations



Central trial contact

UMT aPM; UMT Director

Data sourced from

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