Drilldown: Medicines

None (1)

Belsomra (1)

Dual orexin receptor antagonist (DORA) (1) · the first approved (1)

Competitive antagonist at OX1R and OX2R. First-in-class DORA. Receptor dissociation slower than lemborexant or daridorexant. (1)

Insomnia (sleep onset and/or maintenance) in adults (FDA-approved August 2014). Also studied for insomnia in mild-moderate Alzheimer disease. (1)

10 mg PO 30 min before bedtime (with ≥7 hours of sleep planned) (1)

5 mg, 10 mg, 15 mg, 20 mg tablets (1)

20 mg/d (1)

Oral (1)

~30 min (1)

~7-8 hours (1)

~12 hours (1)

None · 100% (IV) · ~100% from subcutaneous depot · ~80% (oral)'"`UNIQ--ref-00000027-QINU`"' · 70–90% (oral) · ~100% (oral)'"`UNIQ--ref-0000001C-QINU`"' · ~50% (oral)'"`UNIQ--ref-00000021-QINU`"' · ~95% · '''Saturable''' via the LAT-1 amino-acid transporter, producing nonlinear pharmacokinetics: ~60% at 300 mg single dose, falling to ~35% at 1200 mg single dose'"`UNIQ--ref-0000002A-QINU`"' · 10-20% (oral; reduced by food, calcium, antacids, PPIs, tea/coffee; enhanced by ascorbate) · 100% (IV); essentially complete (oral) · 100% (IV); rapidly neutralized by gastric acid (oral) · 16-21% capsule, 25% suspension (oral; iron and antacids reduce absorption substantially)'"`UNIQ--ref-000009E5-QINU`"' · 25 mg: ~29%; 50 mg: ~35%; food reduces absorption'"`UNIQ--ref-00000C4F-QINU`"' · 30-40% (oral; increases with repeated dosing as gastric pH rises)'"`UNIQ--ref-000000DF-QINU`"' · 40-45% (oral; not significantly affected by food)'"`UNIQ--ref-0000025C-QINU`"' · 40-80% (oral); reduced by food, calcium, iron, PPIs, fiber; take fasting with water'"`UNIQ--ref-00000037-QINU`"' · 42-58% (oral; dose-dependent)'"`UNIQ--ref-00000AEF-QINU`"' · 50-60% (oral; decreased with food, but food given anyway for GI tolerance)'"`UNIQ--ref-00000019-QINU`"' · 60-70% PO at low doses; saturable at high doses (parenteral routes preferred above 15-25 mg/week)'"`UNIQ--ref-000007C9-QINU`"'

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None · Category C · Limited data; avoid · Limited data.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Limited human data.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Limited data · Avoid from 20 weeks gestation onward per FDA's 2020 expanded NSAID warning (fetal renal dysfunction, oligohydramnios); contraindicated from 30 weeks (risk of premature ductus arteriosus closure)'"`UNIQ--ref-0000002B-QINU`"' · Category B · Chronic third-trimester exposure produces neonatal opioid withdrawal syndrome and respiratory depression at delivery.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Generally considered safe (minimal systemic absorption).<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Limited data; switch to insulin where feasible.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Limited data; weigh against alternatives.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Previously Category X; FDA removed the blanket statin contraindication in pregnancy in 2021.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · '''Avoid in pregnancy where alternatives exist''' (animal cartilage toxicity; class-wide concern).<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Avoid in second and third trimesters; fetal SGLT2 inhibition disrupts kidney development.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Avoid where possible; class concerns as for other loop diuretics.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Generally considered safe due to minimal systemic absorption.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Generally considered safe in pregnancy.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Generally considered safe.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup> · Generally considered safe; minimal systemic exposure.<sup class="pcp-cn" title="This claim needs a citation.">&#91;[[Pharmacopedia:Citation needed|citation&nbsp;needed]]&#93;</sup>

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Rx, Schedule IV (US) (1)