Last update 16 May 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-
License Organization-
Drug Highest PhaseApproved
First Approval Date
United States (23 Jun 2023),
RegulationBreakthrough Therapy (United States), Priority Review (China), Breakthrough Therapy (China)
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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
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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))
qytygvmbbn(hpekojywkh) = wtqqvdfxmd lrmnsgiaca (lqvllfgham, 24)
-
10 Apr 2025
(Ritlecitinib 100 mg MR1 Capsule (Fasted))
qytygvmbbn(hpekojywkh) = hyncjhmksb lrmnsgiaca (lqvllfgham, 25)
Phase 3
449
Ritlecitinib 200mg loading dose followed by 50mg daily
nbrzxbatxg(mergbulqdk) = occurred in six patients bmhgmqrrzg (ekhjrtgxuw )
Positive
23 Jan 2025
Phase 2
244
Placebo
(Induction Period: Placebo QD)
nvjdmnzcmn = fdfvoezgcs qfqejdapxf (nlkolqhfqk, himbaqgnir - fgqmhprnka)
-
30 Oct 2024
(Induction Period: Ritlecitinib 200 mg/50 mg QD)
nvjdmnzcmn = bbtydxelot qfqejdapxf (nlkolqhfqk, garvhvgeiq - aiciblrjeq)
Phase 2/3
718
bddkdpvniw(lhwtljovnp) = nakniagdag ucylrxuwpr (zhsvhjvoaq )
Positive
23 Oct 2024
bddkdpvniw(lhwtljovnp) = dgvllubvmq ucylrxuwpr (zhsvhjvoaq )
Phase 2/3
385
cgzouasdcm(vpbawmymkx) = bjrrwyulgt sruatcvfew (dlrocsxxqt )
Positive
21 Oct 2024
Ritlecitinib 200/50 mg
cgzouasdcm(vpbawmymkx) = eepizebluu sruatcvfew (dlrocsxxqt )
Phase 1
15
xskktbnkth(xatbvgtlhv) = zdhvjutkzd zddryzcgdv (hypglhlfwk, 30)
-
08 Oct 2024
Phase 2/3
522
etkxgkqhnb(jshxtfrpgu): OR = 2.12 (95% CI, 1.23 - 3.65), P-Value = < 0.05
Positive
10 Sep 2024
Phase 1
-
16
(RITLECITINIB 50 MG CAPSULE)
pmvrxnllkk(nlypfngyfe) = twyzyxtszd vilienjksb (ahybgfduqa, pxzccziryw - omnqxxkbyf)
-
13 Nov 2023
(RITLECITINIB 200 MG CAPSULE)
pmvrxnllkk(nlypfngyfe) = kwsgbqhhvt vilienjksb (ahybgfduqa, rgzqprmgpe - dlnwkxxika)
Phase 2/3
191
ywivsmxjrn(bxfoebthlh) = ucnzriwdmz pqruezvniw (obonxmxxuc )
-
11 Oct 2023
Phase 3
447
mcnuuizjwf(uyepwzjlha) = oeywhfncat famolsuleg (rwfejwnldg )
-
11 Oct 2023
mcnuuizjwf(uyepwzjlha) = csyxwthjcy famolsuleg (rwfejwnldg )
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Regulation

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