Drilldown: Medicines

None (2) · Vardenafil (1)

Emgality (1) · Levitra, Staxyn (1) · Vyepti (1)

Anti-CGRP ligand monoclonal antibody (2) · PDE5 Inhibitor (1)

Humanized IgG1 monoclonal antibody binding CGRP peptide; IV infusion enables fastest onset of any CGRP mAb (1) · Humanized IgG4 monoclonal antibody binding CGRP peptide; prevents CGRP from activating its receptor (1) · Selective inhibitor of PDE5. Slightly higher PDE5/PDE6 selectivity vs sildenafil (less visual side effect) but more PDE1 cross-activity (occasional QT effects at high doses). (1)

Preventive treatment of migraine in adults (1) · Preventive treatment of migraine in adults; episodic cluster headache (1) · '"`UNIQ--vote-00000669-QINU`"' (1)

10 mg ~1 h before sexual activity (1) · 100 mg IV every 3 months; may increase to 300 mg IV every 3 months (1) · Migraine: 240 mg SC loading dose, then 120 mg SC monthly. Cluster: 300 mg SC at onset of cluster period, then monthly during cluster. (1)

100 mg/mL vial for IV infusion (1) · 120 mg/mL prefilled syringe or autoinjector (1) · 2.5, 5, 10, 20 mg tabs (Levitra); 10 mg ODT (Staxyn) (1)

20 mg/d (1) · 240 mg loading + 120 mg/month for migraine; 300 mg/month for cluster (1) · 300 mg/quarter (1)

Intravenous infusion (1) · Oral (1) · Subcutaneous (1)

Effect demonstrated within 24 hours in some patients (1) · Over weeks (1) · ~30 min (1)

3-month dosing interval (1) · 4–5 h (1) · Monthly dosing (1)

None · ~12 hours · ~27 days · ~5 h (caffeine) · '''Autoinduction''': 25-65 hours initially, falling to 12-17 hours after 2-3 weeks of dosing as carbamazepine induces its own CYP3A4 metabolism. Major clinical implication: doses require re-titration after the autoinduction period'"`UNIQ--ref-0000001D-QINU`"' · 0.5-1.5 hours (plasma); pharmacodynamic effect persists 24+ hours'"`UNIQ--ref-000000DE-QINU`"' · 1-1.3 hours'"`UNIQ--ref-000001A1-QINU`"' · 1-1.5 hours'"`UNIQ--ref-00000DE3-QINU`"' · 1-2 hours (parent compound)'"`UNIQ--ref-00000029-QINU`"' · 1-2 hours (parent); 18-30 hours for active metabolite oxypurinol'"`UNIQ--ref-0000030F-QINU`"' · 1-2 hours'"`UNIQ--ref-00000017-QINU`"' · 1-3 hours (normal liver); markedly prolonged in overdose with glutathione depletion'"`UNIQ--ref-000006A5-QINU`"' · 1-3 minutes (very short)'"`UNIQ--ref-00000C0F-QINU`"' · 1.4 hours (parent); 13-24 hours for active metabolite canrenone'"`UNIQ--ref-00000354-QINU`"' · 1.5-2 hours (longer in renal failure)'"`UNIQ--ref-00000222-QINU`"' · 1.5-2 hours'"`UNIQ--ref-00000020-QINU`"' · 10-11 hours (benazeprilat, the active metabolite)'"`UNIQ--ref-00000A22-QINU`"' · 11-13 h (immediate-release); 11-16 h (extended-release) · 11-15 hours'"`UNIQ--ref-00000842-QINU`"' · 12-15 hours (intermediate); '''no active metabolites''' (key clinical feature)'"`UNIQ--ref-00000023-QINU`"'

Other values:

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100% (IV) (1) · Not formally established (high SC) (1) · ~15% (extensive hepatic first-pass) (1)

Category B (1) · Limited data; avoid (2)

Rx (2) · Rx-only in US (1)