Brand Reference: Januvia
| Metric | Verified Benchmark | Source |
|---|---|---|
| Sitagliptin Phosphate RxNorm Concept ID | 593411 | U.S. National Library of Medicine (RxNorm) |
| CMS NADAC Pharmacy Acquisition Unit Cost | $4.1200 / unit | CMS Medicaid NADAC Weekly Feed |
| Walk-In Chain Pharmacy Cash Average | $542.00 / mo | CMS NADAC + U.S. Retail Markup Index |
| Mark Cuban Cost Plus Wholesale Price | $26.40 / mo | Cost Plus Drugs Wholesale Feed |
| Community Mean Out-of-Pocket Paid | $34.00 / mo | 12 Zero-PHI Verified Patient Logs |
Potently inhibits plasma and endothelial DPP-4 serine exopeptidase for 24 hours, doubling physiological postprandial concentrations of intact endogenous GLP-1 and GIP without causing gastric stasis or hypoglycemia.
Classified under Selective Dipeptidyl Peptidase-4 (DPP-4) Inhibitor (Rx), Sitagliptin Phosphate exhibits a $515.60/month gap between standard U.S. retail cash counters ($542.00) and verified direct-to-patient routing ($26.40) anchored to $4.1200 CMS unit cost.
Pharmacokinetic profiling of Sitagliptin Phosphate demonstrates an elimination half-life of 12.4 hours with 87% oral systemic bioavailability; clearance proceeds via 79% excreted unchanged in urine via active tubular hoat3/p-gp secretion; minimal cyp3a4, reaching clinical onset within 1–4 hours post-dose.
Titration schedules for Sitagliptin Phosphate (25 mg PO daily (renal adjusted) → 50 mg PO daily → 100 mg PO once daily) require excluding prior sitagliptin angioedema or stevens-johnson reaction; acute pancreatitis; real-world patient logs highlight nasopharyngitis (9% of reports), headache (8% of reports), arthralgia (5% of reports) alongside a 79.00% Worth-It consensus.
Across 12 verified cash-pay logs, Sitagliptin Phosphate achieves a 79.00% Worth-It rating with out-of-pocket spend averaging $34.00/mo versus $542.00/mo walk-in retail.
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Switched to Cost Plus Drugs at 25 mg PO daily (renal adjusted) for Sitagliptin Phosphate; monthly out-of-pocket dropped to $23.23 compared with $542.00 retail.
Completed 10 weeks on Sitagliptin Phosphate (50 mg PO daily). Zero notable side effects on steady dosing.
Consistent biomarker response on 100 mg PO once daily Sitagliptin Phosphate sourced via Local Pharmacy ($30.62/mo cash pay without insurance prior authorization).