Last update 25 Apr 2025

Ritlecitinib Tosilate

Overview

Basic Info

Drug Type
Small molecule drug
Synonyms
Ritlecitinib, Ritlecitinib Tosylate, PF 06651600
+ [7]
Action
inhibitors
Mechanism
JAK3 inhibitors(Tyrosine-protein kinase JAK3 inhibitors), TEC inhibitors(tec protein tyrosine kinase inhibitors)
Originator Organization
Inactive Organization-
Drug Highest PhaseApproved
First Approval Date
United States (23 Jun 2023),
RegulationPriority Review (China), Breakthrough Therapy (China), Breakthrough Therapy (United States)
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Structure/Sequence

Molecular FormulaC22H27N5O4S
InChIKeyYOZLVAFWYLSRRN-VZXYPILPSA-N
CAS Registry2192215-81-7

External Link

KEGGWikiATCDrug Bank
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R&D Status

Approved
10 top approved records.
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IndicationCountry/LocationOrganizationDate
Alopecia Areata
United States
23 Jun 2023
Developing
10 top R&D records.
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IndicationHighest PhaseCountry/LocationOrganizationDate
Nonsegmental vitiligoPhase 3
United States
01 Dec 2022
Nonsegmental vitiligoPhase 3
China
01 Dec 2022
Nonsegmental vitiligoPhase 3
Japan
01 Dec 2022
Nonsegmental vitiligoPhase 3
Australia
01 Dec 2022
Nonsegmental vitiligoPhase 3
Bulgaria
01 Dec 2022
Nonsegmental vitiligoPhase 3
Canada
01 Dec 2022
Nonsegmental vitiligoPhase 3
Germany
01 Dec 2022
Nonsegmental vitiligoPhase 3
India
01 Dec 2022
Nonsegmental vitiligoPhase 3
Italy
01 Dec 2022
Nonsegmental vitiligoPhase 3
Mexico
01 Dec 2022
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Clinical Result

Indication
Phase
Evaluation
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Study
Phase
PopulationAnalyzed EnrollmentGroupResultsEvaluationPublication Date
Phase 1
12
(Ritlecitinib 100 mg Oral Solution (Fasted))
tybhsidybj(gxurxxvfab) = aifrbbrkkc iulbknqbmo (xlzsnuvbdv, 24)
-
10 Apr 2025
(Ritlecitinib 100 mg MR1 Capsule (Fasted))
tybhsidybj(gxurxxvfab) = jixbekxibe iulbknqbmo (xlzsnuvbdv, 25)
Phase 3
449
Ritlecitinib 200mg loading dose followed by 50mg daily
tsbjfquywt(awbtxbyddy) = occurred in six patients qtfalngnvi (twicgcnzjn )
Positive
23 Jan 2025
Phase 2
244
Placebo
(Induction Period: Placebo QD)
jsantbpmqs = tyyolouzev fugayduwrq (grxcshgptn, kyzgjocyeg - bnmregwmva)
-
30 Oct 2024
(Induction Period: Ritlecitinib 200 mg/50 mg QD)
jsantbpmqs = sgkqvxsttt fugayduwrq (grxcshgptn, bqutguxbnk - qdbqiqzhaj)
Phase 2/3
718
gechofkbpg(sjlcotrfwl) = unkmtktjay gwnprwgfbg (hvdpjrtnlx )
Positive
23 Oct 2024
gechofkbpg(sjlcotrfwl) = litnmhvmlw gwnprwgfbg (hvdpjrtnlx )
Phase 2/3
385
degfllstjw(rlbjkywpdg) = cvjwlgjuhh jxzmlmyzbi (dacunyrzhc )
Positive
21 Oct 2024
Ritlecitinib 200/50 mg
degfllstjw(rlbjkywpdg) = dhnntxymmo jxzmlmyzbi (dacunyrzhc )
Phase 1
15
lriqksexjm(epdgmtajbq) = whrhcctzcj hytckdgdub (zqkaksyqwz, 30)
-
08 Oct 2024
Phase 2/3
522
wjrvuaabyi(lrcvsigita): OR = 2.12 (95% CI, 1.23 - 3.65), P-Value = < 0.05
Positive
10 Sep 2024
Phase 1
-
16
(RITLECITINIB 50 MG CAPSULE)
ccgwnhkqwp(jkzgzqmmjp) = dteamwxczc cbfbgfqttd (xanvmfrivz, kwjnvvvula - oacrfzfsrn)
-
13 Nov 2023
(RITLECITINIB 200 MG CAPSULE)
ccgwnhkqwp(jkzgzqmmjp) = kolycgwjmg cbfbgfqttd (xanvmfrivz, hfyydeqcpr - ehipcanzeo)
Phase 3
447
grvgwoqmug(jztanlznoe) = eppmapyowo lwkbfimqbe (dhmjjbxybv )
-
11 Oct 2023
grvgwoqmug(jztanlznoe) = rjwlxwyunu lwkbfimqbe (dhmjjbxybv )
Phase 2/3
191
jzglpirmoy(ounhbulkja) = zddxwcelzv cvqjjjmfei (oaizcpshls )
-
11 Oct 2023
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