Trial comparing treatments for Sjögren's Syndrome
Official title A PHASE II PROSPECTIVE RANDOMIZED DOUBLE-MASKED CONTROLLED STUDY ASSESSING THE SAFETY & EFFICACY OF RHPRG4 (450 µG/ML RECOMBINANT HUMAN PROTEOGLYCAN 4) COMPARED TO VEHICLE FOR THE TREATMENT OF SJÖGREN'S RELATED DRY EYE DISEASE
ClinicalTrials.gov ID: NCT07118241
What this study is testing
What is Recombinant Human Proteoglycan 4?
An investigational eye drop being studied for Sjögren's related Dry Eye Disease.
Plain-language explanation of the investigational treatment. It is being studied and is not an approved or proven therapy. The study team can confirm the details.
- What it's testing
- The study will see if the eye drop is safe and if it helps reduce dry eye symptoms in Sjögren’s patients.
- Who it's for
- Adults who have dry eye caused by Sjögren’s syndrome.
- What's involved
- Participants will receive either the rhPRG4 eye drop or a placebo drop, use them as directed, and attend scheduled visits for eye exams and questionnaires.
- Time commitment
- The study lasts several months, with multiple clinic visits for eye tests and follow‑up assessments.
- Phase 2: a mid-size study of how well it works
- Which group you join is decided by chance.
A plain-language read of the study's public ClinicalTrials.gov listing. The study team confirms the details.
Who can take part
Ages 18 to 80
You may be able to join if
- Have the ability to comprehend and provide a signed and dated consent form.
- Are 18-75 years at time of consent;
- Have been diagnosed with SS for at least 3 months prior to ICF;
- Have been using artificial tears as the only topical treatment of SS related dry eye for at least 30 days prior to Visit 1;
- Have been stably using systemic medications for at least one month prior to Visit 1;
You likely can't join if
- Are currently or have a history of any ocular or systemic disorder or condition other than dry eye that based on investigator judgment will interfere...
- Have used any topical ocular medications (other than artificial tears), therapeutic medical devices, or undergone ocular surgery within the 30 days...
- Are unwilling to forgo the use of topical medications (other than IMP and limited artificial tear use), medical devices or ocular surgery from Visit...
- Have only one eye;
- Are unwilling to adhere to t.i.d. administration of vehicle during run-in;
- Are unwilling to limit the use of artificial tears to no more than 4 days during run-in;
See the full eligibility criteria
- Have the ability to comprehend and provide a signed and dated consent form.
- Are 18-75 years at time of consent;
- Have been diagnosed with SS for at least 3 months prior to ICF;
- Have been using artificial tears as the only topical treatment of SS related dry eye for at least 30 days prior to Visit 1;
- Have been stably using systemic medications for at least one month prior to Visit 1;
- Have Global SANDE score ≥ 40;
- Average VAS score for typical symptoms of dry eye (dryness, foreign body sensation, burning/stinging, itching, pain, stick feeling, blurred vision and photophobia) ≥ 25 mm, none \< 5 mm;
- Have Oxford corneal fluorescein staining grade of ≥ 1 and ≤ 2 in each eye (OD \& OS both ≥ 1 and ≤ 2);
- Stated willingness to comply with all study procedures, attend all scheduled clinic visits, and continue participation for the duration of the study.
- Ability to self-administer study medication and willingness to adhere to the medication regimen.
- Are currently or have a history of any ocular or systemic disorder or condition other than dry eye that based on investigator judgment will interfere with the interpretation of the study results.
- Have used any topical ocular medications (other than artificial tears), therapeutic medical devices, or undergone ocular surgery within the 30 days prior to Visit 1.
- Are unwilling to forgo the use of topical medications (other than IMP and limited artificial tear use), medical devices or ocular surgery from Visit 1 through Visit 4.
- Have only one eye;
- Are unwilling to adhere to t.i.d. administration of vehicle during run-in;
- Are unwilling to limit the use of artificial tears to no more than 4 days during run-in;
- Have begun regularly using systemic compounds for SS or SS-related dry eye during the one month prior to Visit 1.
- Are unwilling to maintain a stable regimen of systemic compound use during the duration of the study;
- Have known hypersensitivity to one of the components of the study or procedural medications;
- Have participated in another clinical study at the same time as the present study or within 30 days of Visit 1;
- Have a history of drug, medication or alcohol abuse or addiction;
- are currently pregnant or,
- have a positive result on the urine pregnancy test at the Screening Visit or,
- intend to become pregnant during the entire course of and 30 days after the study treatment periods, or,
- are breast-feeding or,
- not willing to use highly effective birth control measures, such as: Hormonal contraceptives - oral, implanted, transdermal, or injected and/or mechanical barrier methods, during the entire course of and 30 days after...
- the male is not surgically sterilized or,
- where the male partner cannot provide information regarding the female partner's child bearing status or,
- where the child bearing status of the female partner does not meet that of Exclusion Criteria 12; however, the female partner of a male participant will not be required meet Exclusion Criteria 12b.
- Have a history of a serious physical or psychiatric disorder that, in the investigator's opinion, could prevent compliance with study procedures or affect study participation;
- Have any other surgical or medical condition or finding that in the opinion of the investigator would compromise the subject's safety or participation in the study.
The study team makes the final eligibility decision.
Where it is enrolling
- Sydney, New South Wales, Australia
- Brisbane, Queensland, Australia
- Maroochydore, Queensland, Australia
- Melbourne, Victoria, Australia
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part, but confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18 years to 80 years. The study team makes the final eligibility decision.
Where is this trial taking place?
This study is enrolling now at Sydney, New South Wales, Australia; Brisbane, Queensland, Australia; Maroochydore, Queensland, Australia; Melbourne, Victoria, Australia. Enter your location above to see the nearest enrolling site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool that is independent of the study sponsor. Details come from ClinicalTrials.gov. The study team decides eligibility, and your own doctor gives medical advice.