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.
Read the full label on DailyMed ↗
| FDA dosing | Population | Start | Target | Max |
|---|---|---|---|---|
| ADHD | Adults & pediatric 13–17 yr | 39.2/7.8 mg QAM | 52.3/10.4 mg QD (after 1 wk) | 52.3/10.4 mg QD |
| ADHD | Pediatric 6–12 yr | 39.2/7.8 mg QAM | increase to 52.3/10.4 or decrease to 26.1/5.2 mg QD after 1 wk | 52.3/10.4 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)
Available strengths
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.
| Strength | #/mo | generic $/mo | brand $/mo | CostPlus | |
|---|---|---|---|---|---|
| 26.1/5.2 mg | cap | 30 qd | — | $432.03 | not offered |
| 39.2/7.8 mg | cap | 30 qd | — | $432.55 | not offered |
| 52.3/10.4 mg | cap | 30 qd | — | $432.38 | not offered |
Part D rank #469.