TheraRadar

Pharma Intelligence, Simplified

Data updated: Mar 10, 2026

STARJEMZA

ustekinumab-hmny Interleukin-12 Antagonists
Immunology Approved 2025-05-22

STARJEMZA (ustekinumab-hmny) is an interleukin-12 and -23 antagonist indicated for the treatment of several chronic inflammatory conditions in both adult and pediatric populations. In adults, it is approved for moderate to severe plaque psoriasis, active psoriatic arthritis, and moderately to severely active Crohn’s disease or ulcerative colitis. The therapy is also indicated for pediatric patients aged 6 years and older with moderate to severe plaque psoriasis or active psoriatic arthritis. For patients with plaque psoriasis, the medication is intended for those who are candidates for systemic therapy or phototherapy.

Source: FDA Label • BIO-THERA SOLUTIONS LTD • Interleukin-12 Antagonist

How STARJEMZA Works

STARJEMZA is a monoclonal antibody that binds specifically 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 cell-surface receptor. This disruption inhibits the signaling and cytokine cascades that drive inflammatory and immune responses, including natural killer cell activation and T-cell differentiation. This mechanism is designed to reduce the chronic inflammation that characterizes diseases such as Crohn’s disease and ulcerative colitis.

Source: FDA Label
1
Indication
--
Phase 3 Trials
0
Years on Market

Details

Status
Prescription
First Approved
2025-05-22
Routes
SUBCUTANEOUS
Dosage Forms
INJECTABLE

Companies

Active Ingredient: ustekinumab-hmny

STARJEMZA Approval History

Loading approval history...

What STARJEMZA Treats

4 indications

STARJEMZA is approved for 4 conditions since its original approval in 2025. These indications span multiple therapeutic areas including oncology, immunology, and more.

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

STARJEMZA Target & Pathway

Pro

Target

IL-23 (Interleukin-23) Cytokine

A cytokine that promotes Th17 cell development and maintenance. IL-23 is upstream of IL-17 in the inflammatory cascade driving psoriasis and inflammatory bowel disease. Blocking IL-23 provides sustained control of these conditions.

Auto-substitute OK for Stelara

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

STARJEMZA Competitors

Pro

6 other drugs also target IL-12. Compare mechanisms, indications, and trial activity.

Drug = Competitor name Company = Manufacturer N indic. = FDA-approved indications → Date = Patent/exclusivity expiry

Competitors share the same molecular target (IL-12). Earlier expiry dates signal biosimilar/generic opportunities.

Drugs Similar to STARJEMZA

FDA-approved drugs for similar conditions. Compare mechanisms and indications to understand treatment alternatives.

HULIO
ADALIMUMAB-FKJP
4 shared
Viatris
Shared indications:
Psoriatic ArthritisCrohn’s DiseaseUlcerative Colitis +1 more
IDACIO
ADALIMUMAB-AACF
4 shared
Fresenius Kabi
Shared indications:
Psoriatic ArthritisCrohn’s DiseaseUlcerative Colitis +1 more
IMULDOSA
USTEKINUMAB-SRLF
4 shared
ACCORD BIOPHARMA INC.
Shared indications:
Plaque PsoriasisPsoriatic ArthritisCrohn’s Disease +1 more
SELARSDI
USTEKINUMAB-AEKN
4 shared
ALVOTECH USA INC
Shared indications:
Plaque PsoriasisPsoriatic ArthritisCrohn’s Disease +1 more
SIMLANDI
ADALIMUMAB-RYVK
4 shared
ALVOTECH USA INC
Shared indications:
Psoriatic ArthritisCrohn’s DiseaseUlcerative Colitis +1 more
ABRILADA
ADALIMUMAB-AFZB
3 shared
Pfizer
Shared indications:
Psoriatic ArthritisCrohn’s DiseaseUlcerative Colitis
CYLTEZO
ADALIMUMAB-ADBM
3 shared
Boehringer Ingelheim
Shared indications:
Psoriatic ArthritisUlcerative ColitisPlaque Psoriasis
HADLIMA
ADALIMUMAB-BWWD
3 shared
SAMSUNG BIOEPIS CO LTD
Shared indications:
Psoriatic ArthritisCrohn’s DiseaseUlcerative Colitis
HUMIRA
ADALIMUMAB
3 shared
AbbVie
Shared indications:
Psoriatic ArthritisUlcerative ColitisPlaque Psoriasis
OTULFI
USTEKINUMAB-AAUZ
3 shared
Fresenius Kabi
Shared indications:
Plaque PsoriasisPsoriatic ArthritisUlcerative Colitis
PYZCHIVA
USTEKINUMAB-TTWE
3 shared
SAMSUNG BIOEPIS CO LTD
Shared indications:
Plaque PsoriasisPsoriatic ArthritisUlcerative Colitis
REMICADE
INFLIXIMAB
3 shared
Johnson & Johnson
Shared indications:
Ulcerative ColitisPsoriatic ArthritisPlaque Psoriasis
STELARA
USTEKINUMAB
3 shared
Johnson & Johnson
Shared indications:
Plaque PsoriasisPsoriatic ArthritisUlcerative Colitis
WEZLANA
USTEKINUMAB-AUUB
3 shared
Amgen
Shared indications:
Plaque PsoriasisPsoriatic ArthritisUlcerative Colitis
YESINTEK
USTEKINUMAB-KFCE
3 shared
BIOCON BIOLOGICS INC
Shared indications:
Plaque PsoriasisPsoriatic ArthritisUlcerative Colitis
YUFLYMA
ADALIMUMAB-AATY
3 shared
CELLTRION
Shared indications:
Psoriatic ArthritisUlcerative ColitisPlaque Psoriasis
YUSIMRY
ADALIMUMAB-AQVH
3 shared
COHERUS BIOSCIENCES INC
Shared indications:
Psoriatic ArthritisCrohn’s DiseaseUlcerative Colitis
AMJEVITA
ADALIMUMAB-ATTO
2 shared
Amgen
Shared indications:
Psoriatic ArthritisUlcerative Colitis
BIMZELX
BIMEKIZUMAB-BKZX
2 shared
UCB INC
Shared indications:
Plaque PsoriasisPsoriatic Arthritis
CIMZIA
CERTOLIZUMAB PEGOL
2 shared
UCB INC
Shared indications:
Psoriatic ArthritisPlaque Psoriasis
🔬

Active Pipeline

Pro

Ongoing clinical trials by development phase

Loading...

Key Completed Trials

Pro

Completed studies with published results, ranked by significance

Loading...
📊

Trial Timeline

Full development history with FDA approval milestones

Loading...
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.

STARJEMZA FDA Label Details

Pro

Indications & Usage

FDA Label (PDF)

STARJEMZA is a human interleukin-12 and -23 antagonist indicated for the treatment of: Adult patients with: moderate to severe plaque psoriasis (PsO) who are candidates for phototherapy or systemic therapy. active psoriatic arthritis (PsA) . moderately to severely active Crohn’s disease (CD) . moderately to severely active ulcerative colitis. Pediatric patients 6 years and older with: moderate to severe plaque psoriasis , who are candidates for phototherapy or systemic therapy. active psoriatic arthritis (PsA) . 1.1 Plaque Psoriasis (PsO) STARJEMZA is indicated for the treatment of adults and ...

Want competitive intelligence?

See who's developing similar drugs and track their progress

View Pipeline Dashboard

Data Sources

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