Last reviewed · How we verify

EL219 — Competitive Intelligence Brief

EL219 (EL219) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: TLR7 agonist. Area: Oncology.

phase 2 TLR7 agonist TLR7 Oncology Small molecule Live · refreshed every 30 min

Target snapshot

EL219 (EL219) — Elion Therapeutics, Inc.. EL219 is an immunostimulatory agent designed to activate innate immune responses against cancer.

Comparator set (6 drugs)

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

DrugGenericSponsorPhaseClassTargetApproval / PDUFA
EL219 TARGET EL219 Elion Therapeutics, Inc. phase 2 TLR7 agonist TLR7
standard dose of HCQ standard dose of HCQ University of Sao Paulo General Hospital marketed Antimalarial immunosuppressant Toll-like receptors (TLR7, TLR9); phospholipase C
Imiquimod and Interferon alpha Imiquimod and Interferon alpha The University of Texas Health Science Center, Houston marketed Immunostimulant combination TLR7/8 (imiquimod); Interferon-alpha receptor (interferon alpha)
Aldara (imiquimod) cream, 5% Aldara (imiquimod) cream, 5% Graceway Pharmaceuticals, LLC marketed TLR7 agonist TLR7 (Toll-like receptor 7)
Imiquimod 3.75% Cream Imiquimod 3.75% Cream Medical University of Graz marketed TLR7 agonist TLR7 (Toll-like receptor 7)
Imiquimod 5% Topical Cream Imiquimod 5% Topical Cream University of Michigan marketed Toll-like receptor 7 (TLR7) agonist TLR7
Imiquimod 5% Cream Imiquimod 5% Cream Massachusetts General Hospital marketed TLR7 agonist / Immune response modifier TLR7 (Toll-like receptor 7)

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 (TLR7 agonist class)

  1. Apotex Inc. · 1 drug in this class
  2. Elion Therapeutics, Inc. · 1 drug in this class
  3. Graceway Pharmaceuticals, LLC · 1 drug in this class
  4. MEDA Pharma GmbH & Co. KG · 1 drug in this class
  5. Medical University of Graz · 1 drug in this class
  6. Medical University of Vienna · 1 drug in this class
  7. Merck Sharp & Dohme LLC · 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). EL219 — Competitive Intelligence Brief. https://druglandscape.com/ci/el219. Accessed 2026-05-13.

Build your own brief

Pick any drug + add comparators: