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Paradigm Biopharmaceuticals

Reimagining Medicines.Delivering New Hope.

Paradigm takes medicines that are already proven safe and develops them for conditions with no good treatment options. Our lead treatment, Zilosul®, is in Phase 3 trials for knee osteoarthritis.

Zilosul® is an investigational treatment. It is not approved for general prescription in any market.

Listed
ASX: PAR
Stage
Phase 3
Lead indication
Knee osteoarthritis
Next milestone
Topline results Q1 2027

Trial progress

Enrolment is complete. The focus now shifts to two major milestones: the interim analysis and Zilosul®’s pivotal Phase 3 top-line results

Enrolment complete

CompletedJuly 2026

The Phase 3 study closed recruitment with 538 participants randomised across 65 sites in Australia, the United States, Hong Kong and Moldova, above the original target of 466.

Timing is indicative and subject to change. Clinical trial outcomes cannot be predicted.

Our approach: Smarter Development. Greater Impact.

Most new medicines are invented from scratch. We start with drugs already proven safe in people, then develop them for new conditions.

A more efficient development pathway

With an established body of human safety and clinical data, Paradigm can leverage prior development work rather than starting from first principles, reducing the time, cost and execution risk typically associated with bringing a novel molecule into late-stage development.1

1. Compared to developing a brand-new drug from scratch.   2. In certain circumstances and subject to regulatory requirements.

How it works →

Zilosul® (iPPS)

Injectable PPS for knee osteoarthritis

Paradigm's lead program is evaluating injectable pentosan polysulfate sodium (iPPS) as a potential disease-modifying, non-opioid treatment for knee osteoarthritis.

The global Phase 3 clinical program follows a Phase 2 program that measured:

  • Pain
  • Physical function
  • Molecular Biomarkers
  • MRI and X-ray Outcomes
  • Durability to 12 months

Supported by FDA Fast Track designation granted in 2022, the program is among the most advanced clinical development programs investigating a novel therapy for knee osteoarthritis. Phase 2 findings and supporting data.

Zilosul® is an investigational treatment. It is not approved for general prescription in any market.

Rendered illustration of a knee joint

Investment highlights

Science icon

Proven Science. Real Progress.

Injectable pentosan polysulfate sodium is in a pivotal Phase 3 trial, PARA_OA_012, supported by FDA Fast Track designation granted in April 2022.

Market icon

Large Market Opportunity.

Targeting knee osteoarthritis, a condition affecting over 500 million people globally (GBD 2019). Paradigm's Phase 3 was conducted across 57 clinical sites across four countries to address this significant global health burden.

Patient icon

Patient-Centered Solutions.

A non-opioid, subcutaneous injectable in development for people with moderate to severe knee osteoarthritis pain.

Leadership icon

Experienced Leadership.

A team that has taken the clinical development of iPPS from founding in 2014 to a fully enrolled Phase 3, with 538 participants against an original target of 466.

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