A PHASE II PROSPECTIVE RANDOMIZED DOUBLE-MASKED CROSSOVER STUDY ASSESSING THE SAFETY & EFFICACY OF RHPRG4 (450 μG/ML RECOMBINANT HUMAN PROTEOGLYCAN 4) COMPARED TO VEHICLE FOR THE TREATMENT OF OCULAR GRAFT-VERSUS-HOST DISEASE (OGVHD)

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-75
SponsorLubris Bio Pty Ltd

About this trial

An 84-day, prospective, randomized (1:1) vehicle controlled, double-masked pre-market, crossover study. Subjects with moderate to severe oGVHD related Dry Eye Disease Each subject will receive both treatments in random sequence, each for 28 days, separated by a 14-day vehicle washout period.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Have the ability to comprehend and provide a signed and dated consent form.

Are 18-80 years of age at time of consent;

Have been diagnosed with oGVHD for at least 3 months prior to giving informed consent to participate in the trial;

Current use of artificial tears for the treatment of oGVHD related dry eye;

Disqualifiers

are currently pregnant or,

have a positive result on the urine pregnancy test at the Screening/Baseline Visit or,

intend to become pregnant during the entire course of and 30 days after the study treatment periods, or,

are breast-feeding or,

Trial design

Design model

Crossover

Treatments tested in this trial

  • rhPRG4 450ug/ml

    Drug

    Treatment

  • Vehicle Control

    Drug

    PBS Based Vehicle Control

Treatment groups

15 Participants
are divided into 2 treatment groups
Group A: rhPRG4 450ug/mlExperimental treatment 1 intervention
Group B: Vehicle ControlPlacebo comparator 1 intervention

Trial outcomes

Primary outcomes

1

To assess the efficacy of rhPRG4 using the total corneal staining with fluorescein (Oxford Scale) compared to vehicle after 28 days of treatment

To assess the efficacy of rhPRG4 using the total corneal staining with fluorescein (Oxford Scale) compared to vehicle after 28 days of treatment

Time frame
Baseline to day 28
2

To assess the efficacy of rhPRG4 using the total VAS score (sum of dryness, foreign body sensation, burning/stinging, itching, pain, sticky feeling, blurred vision and photophobia, anchors: none & severe) compared to vehicle after 28 days of treatment

To assess the efficacy of rhPRG4 using the total VAS score (sum of dryness, foreign body sensation, burning/stinging, itching, pain, sticky feeling, blurred vision and photophobia, anchors: none \& severe) compared to vehicle after 28 days of treatment

Time frame
From baseline to day 28

Secondary outcomes

1

To assess the efficacy of rhPRG4 using individual VAS scores for dryness, foreign body sensation, burning/stinging, itching, pain, sticky feeling, blurred vision and photophobia (anchors: none & severe) compared to vehicle after 28 days of treatment

To assess the efficacy of rhPRG4 using individual VAS scores for dryness, foreign body sensation, burning/stinging, itching, pain, sticky feeling, blurred vision and photophobia (anchors: none \& severe) compared to vehicle after 28 days of treatment

Time frame
From baseline to day 28
2

To assess the efficacy of rhPRG4 using the SANDE score compared to vehicle after 28 days of treatment

To assess the efficacy of rhPRG4 using the SANDE score compared to vehicle after 28 days of treatment

Time frame
From baseline to day 28
3

To assess the efficacy of rhPRG4 using the maximum inter-eye tear osmolarity: max(OU) compared to vehicle after 28 days of treatment

To assess the efficacy of rhPRG4 using the maximum inter-eye tear osmolarity: max(OU) compared to vehicle after 28 days of treatment

Time frame
From baseline to day 28
4

To assess the safety of rhPRG4 by observation of the severity of treatment-emergent adverse events over the study duration

To assess the safety of rhPRG4 by observation of the severity of treatment-emergent adverse events over the study duration

Time frame
From baseline to day 28

Other outcomes

Sponsors and contacts

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