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Azstarys

Combination product

Pronunciation: ser-dex-meth-il-FEN-i-dayt and dex-meth-il-FEN-i-dayt (az-STAR-is)

Combination of serdexmethylphenidate (prodrug, 70%) and dexmethylphenidate (30%) — extended + immediate d-MPH in one capsule (2021).

Each component keeps its own pharmacology page; the combination itself adds no new mechanism.

Azstarys mascot — mnemonic cartoon
Visual mnemonic: Azstarys mascot
A star is (70%) Sir

Components (2)

Serdexmethylphenidate ballicule — decagon mechanism diagram
Serdexmethylphenidate
Dexmethylphenidate ballicule — decagon mechanism diagram
Dexmethylphenidate

FDA label

BOXED WARNING Abuse, misuse, and addiction: high potential; CNS-stimulant misuse/abuse can result in overdose and death.
FDA dosingPopulationStartTargetMax
ADHDAdults & pediatric 13–17 yr39.2/7.8 mg QAM52.3/10.4 mg QD (after 1 wk)52.3/10.4 mg QD
ADHDPediatric 6–12 yr39.2/7.8 mg QAMincrease to 52.3/10.4 or decrease to 26.1/5.2 mg QD after 1 wk52.3/10.4 mg QD

Titration May adjust after 1 week

Renal Undefined

Hepatic Undefined

Not recommended below 6 years of age (higher exposure, more adverse reactions e.g. weight loss)

Instructions

Available strengths

Contraindications

Cautions

Adverse reactions

Pregnancy No AZSTARYS-specific human data; methylphenidate data show no clear malformation risk. Registry available.

Lactation Methylphenidate present in human milk (low infant dose); monitor infant for agitation, poor weight gain.

Cost

Azstarys
What pharmacies pay · NADAC 9/30/26
Strength#/mogeneric $/mobrand $/moCostPlus
26.1/5.2 mgcap30 qd—$432.03not offered
39.2/7.8 mgcap30 qd—$432.55not offered
52.3/10.4 mgcap30 qd—$432.38not offered

Clinical profile

Therapeutic safety burden3 / 4
Overdose danger3 / 4
Weight-gain liability0 / 4
Sedation liability1 / 4
QT / Torsades0 / 4
Direct muscarinic antagonism0 / 4

Defining liabilityMisuse, cardiovascular/psychiatric toxicity and growth suppression

Part D rank #469.

Self-check

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