Research Applications
Interstitial Cystitis (Approved)
FDA-approved as Elmiron. Reduces bladder pain and urinary urgency/frequency in IC/BPS patients.
Osteoarthritis
TGA-approved in Australia for veterinary osteoarthritis. Human trials show chondroprotective effects.
Prion Diseases
Research suggests PPS may inhibit prion protein aggregation.
Mechanism of Action
PPS coats the damaged urothelium, restoring the protective GAG (glycosaminoglycan) layer that prevents irritating urinary solutes from penetrating to underlying nerve fibers. It also has anti-inflammatory (inhibits mast cell histamine release), anticoagulant (weak heparin-like activity), and fibrinolytic properties. In joints, PPS stimulates hyaluronic acid synthesis and inhibits degradative enzymes (MMPs, aggrecanases).
Biological Pathways
GAG layer restoration in bladder. Mast cell stabilization. MMP inhibition in cartilage. Hyaluronic acid synthesis stimulation. Weak antithrombin III-mediated anticoagulation.
Dosage Information
Calculation Results
Syringe Fill Level (100u syringe)
Protocols
No protocols featuring this peptide yet.
Browse All ProtocolsStability & Storage
Oral capsules (Elmiron 100 mg) store at room temperature. Injectable form (veterinary) at room temperature. Stable compound with 3+ year shelf life.
Side Effects & Precautions
GI effects (nausea, diarrhea, 4%), alopecia (4%), headache. Maculopathy (pigmentary retinal changes) identified with long-term use (>3 years) — requires ophthalmological monitoring. Mild anticoagulant effect — use caution with blood thinners.
Research Use Only. This information is for educational and research purposes only. Not intended for medical advice or self-medication.
Regulatory Status
FDA-approved as Elmiron (1996) for interstitial cystitis. Box warning about maculopathy risk added. Available by prescription only. Not WADA-prohibited.
Research Studies
Frequently Asked Questions
Pentosan polysulfate sodium (PPS) is a semi-synthetic sulfated polysaccharide derived from beech wood hemicellulose, structurally similar to heparin and glycosaminoglycans. While not a peptide, it is included in peptide databases due to its use alongside peptides in regenerative medicine. FDA-approved as Elmiron (1996) for interstitial cystitis/bladder pain syndrome, PPS has glycosaminoglycan-like properties that restore the bladder's protective mucous lining (GAG layer). PPS has also been investigated for osteoarthritis (approved in Australia as Pentosan Equine for veterinary use), blood clotting disorders, and prion diseases. Recent concern about maculopathy (retinal damage) with long-term use has impacted its clinical use for interstitial cystitis.
PPS coats the damaged urothelium, restoring the protective GAG (glycosaminoglycan) layer that prevents irritating urinary solutes from penetrating to underlying nerve fibers. It also has anti-inflammatory (inhibits mast cell histamine release), anticoagulant (weak heparin-like activity), and fibrinolytic properties. In joints, PPS stimulates hyaluronic acid synthesis and inhibits degradative enzymes (MMPs, aggrecanases).
Interstitial Cystitis (Approved) FDA-approved as Elmiron. Reduces bladder pain and urinary urgency/frequency in IC/BPS patients. Osteoarthritis TGA-approved in Australia for veterinary osteoarthritis. Human trials show chondroprotective effects. Prion Diseases Research suggests PPS may inhibit prion protein aggregation.
GAG layer restoration in bladder. Mast cell stabilization. MMP inhibition in cartilage. Hyaluronic acid synthesis stimulation. Weak antithrombin III-mediated anticoagulation.
GI effects (nausea, diarrhea, 4%), alopecia (4%), headache. Maculopathy (pigmentary retinal changes) identified with long-term use (>3 years) — requires ophthalmological monitoring. Mild anticoagulant effect — use caution with blood thinners.
Oral capsules (Elmiron 100 mg) store at room temperature. Injectable form (veterinary) at room temperature. Stable compound with 3+ year shelf life.
FDA-approved as Elmiron (1996) for interstitial cystitis. Box warning about maculopathy risk added. Available by prescription only. Not WADA-prohibited.






