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

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).

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