InventisBio’s D-2570 Wins FDA Phase II Clearance – Oral TYK2 Inhibitor Targets Moderate-to-Severe Plaque Psoriasis

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InventisBio (Shanghai) Co., Ltd. (SHA: 688382) announced FDA clearance to initiate a Phase II clinical study for D-2570, an oral TYK2 inhibitor, in patients with moderate-to-severe plaque psoriasis. The multicenter, randomized, double-blind, placebo-controlled trial positions InventisBio in the competitive oral immunology space, targeting the same pathway as Bristol Myers Squibb’s approved Sotyktu (deucravacitinib).

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Regulatory Milestone

ItemDetail
AgencyU.S. Food and Drug Administration (FDA)
Approval TypeIND clearance for Phase II
ProductD-2570 (oral TYK2 inhibitor)
DeveloperInventisBio (Shanghai) Co., Ltd. (SHA: 688382)
IndicationModerate-to-severe plaque psoriasis
Study PhasePhase II
Announcement Date19 Mar 2026

Phase II Study Design

ParameterSpecification
DesignMulticenter, randomized, double-blind, placebo-controlled
Primary EndpointProportion achieving PASI 90 (≥90% improvement from baseline) at Week 12
Patient PopulationModerate-to-severe plaque psoriasis
RouteOral (daily dosing anticipated)

Competitive Context & Market Position

FactorImplication
TYK2 Inhibitor ClassValidated by Sotyktu (BMS) approval (2022); $1.7 billion 2024 sales; oral convenience drives switch from injectable biologics
D-2570 DifferentiationSecond-generation oral TYK2 inhibitor; potential for improved selectivity, efficacy, or safety profile vs. first-in-class
Psoriasis Market Scale$15+ billion globally; oral therapies capturing 15–20% share of systemic-eligible patients
InventisBio StrategyU.S.-first development signals global ambition; China NMPA filing likely to follow positive Phase II data
Competitive LandscapeNimbus (TAK-279), Ventyx (VTX958), and Sotyktu generics in development; D-2570 needs superiority or best-in-class profile to differentiate
  • Development Timeline: Phase II enrollment Q2 2026; data readout H2 2027; potential Phase III initiation 2028 if PASI 90 rates competitive with Sotyktu (~50–60%)
  • Commercial Potential: Peak sales $300–500 million globally if approved; China market adds RMB 500+ million opportunity

Forward‑Looking Statements
This brief contains forward‑looking statements regarding clinical enrollment, efficacy outcomes, and regulatory pathways for D-2570. Actual results may differ due to competitive dynamics with established TYK2 inhibitors, dose optimization challenges, and reimbursement negotiations in the psoriasis market.-Fineline Info & Tech

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