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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05333419
Registration number
NCT05333419
Ethics application status
Date submitted
9/03/2022
Date registered
19/04/2022
Titles & IDs
Public title
Study of a Latanoprost Ocular Implant for Treatment of Open Angle Glaucoma or Ocular Hypertension.
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Scientific title
Open Label Study to Evaluate the Safety, Tolerability and Biodegradation Period of PA5346 Latanoprost Free Acid (FA) Sustained Release (SR) Ocular Implant When Administered to Patients With Open Angle Glaucoma or Ocular Hypertension
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Secondary ID [1]
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LATA-CS103
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Open Angle Glaucoma
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Ocular Hypertension
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Condition category
Condition code
Eye
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Diseases / disorders of the eye
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Cardiovascular
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Hypertension
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - 100ng/day PA5346 Latanoprost FA SR Ocular Implant
Experimental: Single Dose 100ng/day PA5346 Latanoprost FA SR Ocular Implant - After washout, eligible subjects will be dosed with a single 100ng/day PA5346 Latanoprost FA SR Ocular Implant at study Day 0.
Treatment: Drugs: 100ng/day PA5346 Latanoprost FA SR Ocular Implant
PA5346 ocular implant is a small, clear rod-shaped implant that is placed in the anterior (front) chamber of the eye, at a single timepoint, and slowly releases a drug called latanoprost free acid (100ng/day) over a period of approximately 30 weeks
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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To assess the safety and tolerability of 100 ng/day PA5346 Latanoprost FA SR Ocular Implant in adults with Open Angle Glaucoma (OAG) or Ocular Hypertension (OHT).
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Assessment method [1]
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Clinically significant changes to haematology or biochemistry
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Timepoint [1]
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Change from baseline to 40 weeks
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Primary outcome [2]
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To assess the safety and tolerability of 100 ng/day PA5346 Latanoprost FA SR Ocular Implant in adults with Open Angle Glaucoma (OAG) or Ocular Hypertension (OHT).
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Assessment method [2]
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Clinically significant changes to urinalysis
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Timepoint [2]
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Change from baseline to 40 weeks
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Primary outcome [3]
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To assess the safety and tolerability of 100 ng/day PA5346 Latanoprost FA SR Ocular Implant in adults with Open Angle Glaucoma (OAG) or Ocular Hypertension (OHT).
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Assessment method [3]
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Clinically significant changes to physical examination
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Timepoint [3]
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Change from baseline to 40 weeks
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Primary outcome [4]
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To assess the safety and tolerability of 100 ng/day PA5346 Latanoprost FA SR Ocular Implant in adults with Open Angle Glaucoma (OAG) or Ocular Hypertension (OHT).
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Assessment method [4]
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Clinically significant changes to vital signs
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Timepoint [4]
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Change from baseline to 40 weeks
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Primary outcome [5]
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To assess the safety and tolerability of 100 ng/day PA5346 Latanoprost FA SR Ocular Implant in adults with Open Angle Glaucoma (OAG) or Ocular Hypertension (OHT).
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Assessment method [5]
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Clinically significant changes to visual acuity
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Timepoint [5]
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Change from baseline to 40 weekls
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Primary outcome [6]
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To assess the period of biodegradation of 100 ng/day PA5346 Latanoprost FA SR Ocular Implant in adults with OAG or OHT.
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Assessment method [6]
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Biodegradation will be assessed by Gonioscopy or anterior Optical Coherence at Tomography (OCT) at Weeks 6, 12, 18, 26, 34, 40 and each subsequent 6 week visit thereafter until the implant has completely biodegraded. These tests allow the implant to be located by the ophthalmologist.
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Timepoint [6]
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Up to 12 months
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Secondary outcome [1]
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To assess the initial efficacy of 100 ng/day PA5346 Latanoprost FA SR Ocular Implant in controlling IOP during a study period in adults with OAG or OHT.
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Assessment method [1]
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IOP will be assess by using a tonometer at Day 1, Weeks 6, 18, 26, 34, 40 and every 6 weekly visit after intervention commencement.
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Timepoint [1]
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Up to 12 months
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Secondary outcome [2]
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Extent of hyperaemia.
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Assessment method [2]
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Assessed by Slit lamp Biomicroscopy for Conjunctival Redness Day 1, Weeks 6, 18, 26, 34, 40 and every 6 weekly visit after intervention commencement.
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Timepoint [2]
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Up to 12 months
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Secondary outcome [3]
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Ophthalmologist-reported ease of use of bespoke administration device
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Assessment method [3]
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This questionnaire is descriptive only and includes questions such as:
* Ease of attaching the implant-containing needle to the administration device
* Ease of inserting the implant in the correct location
* Number of times the plunger is depressed to extrude the implant.
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Timepoint [3]
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Day 0
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Eligibility
Key inclusion criteria
* Have given written informed consent before any study-related activities are carried out and must be able to understand the full nature and purpose of the trial, including possible risks and adverse effects.
* Diagnosis of OAG or OHT. Iridocorneal angle must be classified as Grade 3 or 4 on the modified Shaffer-Etienne scale by gonioscopy.
* Unmedicated (post-washout) 8:00 AM IOP of 24 mmHg to 36 mmHg in the ITT eye at either of two qualification visits 2 weeks apart. In addition, the IOP at 12:00 noon and 4:00 PM must be 20 mmHg to 36 mmHg on the same qualification visit where the 8:00 AM IOP was IOP 24 mmHg to 36 mmHg.
* Have a corrected visual acuity as determined by Early Treatment of Diabetic Retinopathy Study (ETDRS) charts in each eye greater than or equal to + 0.3 logMAR (equivalent to 6/12).
* Minimum central endothelial cell density of greater than or equal to 1600 cells/mm2 as determined by the reading centre adopted for the study.
* Currently managing their OAG or OHT with IOP lowering drop therapy, including a prostaglandin analogue.
* Are able and willing to follow study instructions and adhere to the protocol schedule and restrictions and undergo eye examinations
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
* Have pseudoexfoliation or pigment dispersion glaucoma
* Have aphakic eyes or only one functioning eye. only one eye.
* Have had iIntraocular surgery, glaucoma surgery or cornea/refractive surgery within the past 6 months or anticipate a need for eye surgery (including laser) in the study eye during the study period. .
* Significant corneal guttatae
* Ocular trauma in either eye within the three months prior to screening
* Current retinal detachment or history of blunt trauma in the study eye.
* Clinically significant ocular disease in either eye (e.g., corneal oedema, uveitis, severe keratoconjunctivitis sicca) which might interfere with the study Ocular trauma
* Have a known sensitivity to any component of the product (e.g. latanoprost, or polytriazole sensitivity), or to topical therapy used during the course of the study. Ocular infection or inflammation
* Have a clinical diagnosis of Fuchs' Endothelial Corneal Dystrophy (FECD) in the study eye or have confluent central corneal guttatae, multiple central guttatae greater than a single cell, or corneal disease or abnormality that would prevent specular microscopy corneal scans of the study eye.
* Central corneal thickness in either eye that is less than 470 µm or greater than 630 µm at screening (or a difference between the eyes >70 µm).
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 1
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
4/03/2022
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
30/09/2023
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Sample size
Target
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Accrual to date
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Final
1
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Recruitment in Australia
Recruitment state(s)
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Recruitment outside Australia
Country [1]
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New Zealand
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State/province [1]
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Wellington
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Country [2]
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New Zealand
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State/province [2]
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Rotorua
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
PolyActiva Pty Ltd
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This is an open label, single dose (100 ng/day) study to assess the safety, tolerability and biodegradation of the PA5436 Latanoprost FA SR Ocular Implant in adults who have OAG or OHT.
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Trial website
https://clinicaltrials.gov/study/NCT05333419
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Tony Wells, MD
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Address
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Capital Eye Specialists
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for scientific queries
Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
No
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No/undecided IPD sharing reason/comment
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What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT05333419