TheraRadar
Data updated: May 26, 2026

SELARSDI (ustekinumab-aekn)

Genetically Validated
Immunology Approved 2024-04-16

SELARSDI is indicated for the treatment of Plaque Psoriasis; Psoriatic Arthritis; Crohn’s Disease; Ulcerative Colitis.

Source: FDA Label • ALVOTECH USA INC

How SELARSDI Works

SELARSDI is a monoclonal antibody that binds to the p40 protein subunit shared by the IL-12 and IL-23 cytokines. By targeting this subunit, the drug prevents these cytokines from interacting with the IL-12Rβ1 receptor found on the surface of immune cells. This disruption inhibits signaling pathways and cytokine cascades responsible for natural killer cell activation and T-cell differentiation. This mechanism helps control the chronic inflammation and immune responses that characterize psoriasis and inflammatory bowel diseases.

1
Indication
--
Phase 3 Trials
2
Years on Market

Details

Status
Prescription
First Approved
2024-04-16
Routes
INJECTION
Dosage Forms
INJECTABLE

Companies

Active Ingredient: USTEKINUMAB-AEKN

SELARSDI Approval History

2025
2026
Original
New Indication
New Form
Label Update
16 FDA actions from 2024 to 2025
Dec 2025 SUPPL
Update
Nov 2025 SUPPL
Label · Labeling
Apr 2025 SUPPL
Update · Supplement

What SELARSDI Treats

4 indications

SELARSDI is approved for 4 conditions since its original approval in 2024. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Plaque Psoriasis
  • Psoriatic Arthritis
  • Crohn’s Disease
  • Ulcerative Colitis
Source: FDA Label

SELARSDI Target & Pathway

Pro

Target

IL-12 (Interleukin 12) Cytokine

Auto-substitute OK for Stelara

Pharmacists can substitute SELARSDI for Stelara without calling the prescriber. This is a lower-cost alternative with no clinically meaningful differences.

SELARSDI Competitive Set

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Three rings of competition based on shared molecular targets and treated indications.

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to SELARSDI

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ACCORD BIOPHARMA INC.
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Active Pipeline

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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

SELARSDI FDA Label Details

Indications & Usage

FDA Label (PDF)

SELARSDI is indicated for the treatment of Plaque Psoriasis; Psoriatic Arthritis; Crohn’s Disease; Ulcerative Colitis.

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.