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Ustekinumab

STELARA

What it isIL-12/23 p40 monoclonal antibody; psoriasis, psoriatic arthritis, Crohn disease, and ulcerative colitis.

Why this oneFor psoriasis/PsA, it offers quarterly maintenance dosing, but skin clearance trails newer selective IL-23 and IL-17 agents.

What limits itScreen for infection and tuberculosis before treatment; serious infection and injection reactions can occur.

FDA label

FDA dosingPopulationStartTargetMax
Plaque psoriasis (SC)Adults≤100 kg: 45 mg SC at wk0 and wk4, then q12w; >100 kg: 90 mg SC at wk0 and wk4, then q12wq12w maintenance90 mg q12w
Plaque psoriasis (SC)Pediatric ≥6 y<60 kg: 0.75 mg/kg; 60–100 kg: 45 mg; >100 kg: 90 mg — at wk0 and wk4, then q12wq12w90 mg q12w
Psoriatic arthritis (SC)Adults45 mg SC at wk0 and wk4, then q12w (90 mg if coexistent plaque psoriasis and >100 kg)q12w90 mg q12w
Psoriatic arthritis (SC)Pediatric ≥6 y<60 kg: 0.75 mg/kg; ≥60 kg: 45 mg (90 mg if >100 kg with coexistent plaque psoriasis) — wk0, wk4, then q12wq12w90 mg q12w
Crohn's diseaseAdultsSingle weight-based IV induction (≤55 kg 260 mg; >55–85 kg 390 mg; >85 kg 520 mg)90 mg SC 8 wk after IV, then q8w90 mg q8w
Crohn's diseasePediatric ≥10 kgIV induction (10–25 kg 10 mg/kg; >25–55 kg 260 mg; >55–85 kg 390 mg; >85 kg 520 mg)Maintenance: 10–35 kg 2.5 mg/kg SC; >35 kg 90 mg SC — 8 wk after IV, then q8w90 mg q8w
Ulcerative colitisAdultsSingle weight-based IV induction (≤55 kg 260 mg; >55–85 kg 390 mg; >85 kg 520 mg)90 mg SC 8 wk after IV, then q8w90 mg q8w
Ulcerative colitisPediatric ≥10 kgIV induction (10–25 kg 10 mg/kg; >25–55 kg 260 mg; >55–85 kg 390 mg; >85 kg 520 mg)Maintenance: 10–35 kg 2.5 mg/kg SC; >35 kg 90 mg SC — 8 wk after IV, then q8w90 mg q8w

Renal Undefined

Hepatic Undefined

Crohn's/UC: IV induction then SC maintenance q8w

Instructions

Cautions

Adverse reactions

Pregnancy No identified drug-associated risk of major birth defects/miscarriage; monoclonal antibody crosses placenta

Lactation Present in human milk; no adverse effects on breastfed infant identified

NO BOXED WARNINGS

Classes and tags

Clinical profile

Direct muscarinic antagonism0 / 4

Mechanism of action: Ustekinumab ballicule

Ustekinumab ballicule: receptor binding, kinetics and half-life diagram

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