Comparative Pharmacology
Head-to-head clinical analysis: CLOPRA versus PROCHLORPERAZINE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: CLOPRA versus PROCHLORPERAZINE.
CLOPRA vs PROCHLORPERAZINE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Clopra (metoclopramide) is a dopamine D2 receptor antagonist and a 5-HT4 receptor agonist, enhancing gastrointestinal motility and having antiemetic effects via central and peripheral actions.
Prochlorperazine is a phenothiazine antipsychotic that acts as a dopamine D2 receptor antagonist in the chemoreceptor trigger zone (CTZ) and at high doses in the mesolimbic system. It also has anticholinergic and antiemetic effects.
Clopra (metoclopramide) 10 mg orally or intramuscularly 30 minutes before meals and at bedtime; maximum 30 mg/day. For intravenous administration, give 10 mg over 1-2 minutes.
5-10 mg IM/IV every 3-4 hours as needed; or 5-10 mg PO 3-4 times daily; or 25 mg PR twice daily. Maximum IM/IV: 40 mg/day; PO: 40 mg/day.
MODERATE Risk
MODERATE Risk
Clinical Note
moderateProchlorperazine + Fluticasone propionate
"The risk or severity of adverse effects can be increased when Prochlorperazine is combined with Fluticasone propionate."
Clinical Note
moderateProchlorperazine + Haloperidol
"The metabolism of Haloperidol can be decreased when combined with Prochlorperazine."
Clinical Note
moderateMetoclopramide + Haloperidol
"The risk or severity of adverse effects can be increased when Metoclopramide is combined with Haloperidol."
Clinical Note
moderateTerminal elimination half-life 6-8 hours (prolonged in renal impairment; up to 20 hours in severe CKD)
Terminal elimination half-life: 23-25 hours, with prolonged elimination in hepatic impairment.
Renal (50-70% as unchanged drug and metabolites); fecal (20-30%); biliary (minor ~5%)
Renal: 70-80% (as metabolites), Fecal: 20-30% (unchanged and metabolites), Biliary: 10-15% of dose excreted in bile.
Category C
Category A/B
Antiemetic/Prokinetic Agent
Typical Antipsychotic / Antiemetic
Prochlorperazine + Methylphenidate
"The risk or severity of adverse effects can be increased when Prochlorperazine is combined with Methylphenidate."