Last reviewed · How we verify

polystyrene sulfonate — Competitive Intelligence Brief

polystyrene sulfonate (polystyrene sulfonate) competitive landscape: 1 comparator, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Ion-exchange resin. Area: Nephrology / Electrolyte Management.

marketed Ion-exchange resin Nephrology / Electrolyte Management Small molecule Live · refreshed every 30 min

Target snapshot

polystyrene sulfonate (polystyrene sulfonate) — National Center for Research Resources (NCRR). Polystyrene sulfonate is an ion-exchange resin that binds potassium in the gastrointestinal tract, facilitating its removal from the body through feces.

Comparator set (1 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
polystyrene sulfonate TARGET polystyrene sulfonate National Center for Research Resources (NCRR) marketed Ion-exchange resin
Acetal resin Acetal resin Al-Azhar University phase 3 Ion-exchange resin

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Ion-exchange resin class)

  1. Al-Azhar University · 1 drug in this class
  2. National Center for Research Resources (NCRR) · 1 drug in this class

Subscribe to ongoing alerts

Push every new event for this competitive set into your RSS reader, IFTTT/Zapier workflow, or email digest:

Cite this brief

Drug Landscape (2026). polystyrene sulfonate — Competitive Intelligence Brief. https://druglandscape.com/ci/polystyrene-sulfonate. Accessed 2026-05-14.

Build your own brief

Pick any drug + add comparators: