Saturday, July 11, 2026

Drug profile · INN

ritlecitinib

ritlecitinib (LITFULO) is a tyrosine-protein kinase jak3 inhibitor.

EMA: approved Antineoplastic and immunomodulating agents (L04) L04AF08
Patents linked 0
Pipeline programs 8
News articles 1
Drug details — ritlecitinib
Class
Antineoplastic and immunomodulating agents (L04)
Route
Patents
0
Programs
8
Data quality
0.83

Quick answer

ritlecitinib (LITFULO) is a tyrosine-protein kinase jak3 inhibitor.

Key facts

INN ritlecitinib
Brand LITFULO
Mechanism Tyrosine-protein kinase JAK3 inhibitor
Target TEC family kinase
Therapeutic class Antineoplastic and immunomodulating agents (L04)
ATC code L04AF08

Mechanism of action

Tyrosine-protein kinase JAK3 inhibitor

Primary target: TEC family kinase

Approval history

Authority Status Date
EMA approved

Recent coverage

Pipeline programs

  1. B7981027 Phase 3 · First Biotech (Australia) · Alopecia areata
  2. B7981028 Phase 3 · First Biotech (Australia) · Alopecia areata
  3. B7981041 Phase 3 · First Biotech (Australia) · NON SEGMENTAL VITILIGO
  4. B7981080 Phase 3 · First Biotech (Australia) · nonsegmental vitiligo
  5. B7981094 Phase 3 · First Biotech (Australia) · Alopecia areata
  6. Ritlecitinib tosilate, Ritlecitinib Tosilate Phase 3 · First Biotech (Australia) · Alopecia areata
  7. B7981118 Phase 2 · First Biotech (Australia) · CHRONIC SPONTANEOUS URTICARIA
  8. B7981119 Phase 2 · First Biotech (Australia) · HIDRADENITIS SUPPURATIVA

Related & competitor drugs

  1. abiraterone acetate Antineoplastic and immunomodulating agents (L02)
  2. anagrelide Antineoplastic and immunomodulating agents (L01)
  3. apremilast Antineoplastic and immunomodulating agents (L04)
  4. arsenic trioxide Antineoplastic and immunomodulating agents (L01)
  5. axitinib Antineoplastic and immunomodulating agents (L01)
  6. azacitidine Antineoplastic and immunomodulating agents (L01)

Frequently asked questions

What is ritlecitinib?

ritlecitinib (LITFULO) is a tyrosine-protein kinase jak3 inhibitor.

What is the brand name for ritlecitinib?

LITFULO is a marketed brand name for ritlecitinib. Check FDA Drugs@FDA for the current US label holder and prescribing information.