Metoclopramide

Clinical summary

Indications and usage Metoclopramide tablets are indicated for the: Treatment for 4 to 12 weeks of symptomatic, documented gastroesophageal reflux in adults who fail to respond to conventional therapy. Relief of symptoms in adults with acute and recurrent diabetic gastroparesis. Limitations of Use : Metoclopramide tablets are not recommended for use in pediatric patients due to the risk of developing tardive dyskinesia (TD) and other extrapyramidal symptoms as well as the risk of methemoglobinemia in neonates [ see Use in Specific Populations ( 8.4 ) ]. Standard dosing Gastroesophageal Reflux ( 2.2 ) Administer metoclopramide continuously or intermittently: Continuous: Administer 10 to 15 mg, 30 minutes before each meal and at bedtime (maximum of 60 mg per day) for 4 to 12 weeks. Intermittent: Single doses up to 20 mg prior to provoking situation. Acute and Recurrent Diabetic Gastroparesis ( 2.3 ) Administer 10 mg, 30 minutes before each meal and at bedtime (maximum of 40 mg per day) for 2 to 8 weeks Dosage Adjustment in Specific Populations ( 2.2 , 2.3 ) For gastroesophageal reflux and acute and recurrent diabetic gastroparesis, see Full Prescribing Information for recommended dosage reductions for elderly patients, in patients with moderate or severe hepatic or renal impairment, and cytochrome P450 2D6 (CYP2D6) poor metabolizers. Dose forms and strengths 1 1 STARCH, CORN Contraindications Metoclopramide is contraindicated: In patients with a history of tardive dyskinesia (TD) or a dystonic reaction to metoclopramide [ see Warnings and Precautions ( 5.1 , 5.2 ) ]. When stimulation of gastrointestinal motility might be dangerous (e.g., in the presence of gastrointestinal hemorrhage, mechanical obstruction, or perforation). In patients with pheochromocytoma or other catecholamine-releasing paragangliomas. Metoclopramide may cause a hypertensive/pheochromocytoma crisis, probably due to release of catecholamines from the tumor [ see Warnings and Precautions ( 5.5 ) ]. In patients with epilepsy. Metoclopramide may increase the frequency and severity of seizures [ see Adverse Reactions ( 6 ) ]. In patients with hypersensitivity to metoclopramide. Reactions have included laryngeal and glossal angioedema and bronchospasm [ see Adverse Reactions ( 6 ) ]. Key warnings Tardive Dyskinesia (TD), Other Extrapyramidal Symptoms (EPS), and Neuroleptic Malignant Syndrome (NMS) : Avoid concomitant use of other drugs known to cause TD/EPS/NMS and avoid use in patients with Parkinson’s Disease. If symptoms occur, discontinue metoclopramide and seek immediate medical attention. ( 5.1 , 5.2 , 5.3 , 7.1 , 7.2 ) Depression and suicidal ideation/suicide : Avoid use. ( 5.4 ) Drug interactions Antipsychotics : Potential for additive effects, including TD, EPS, and NMS; avoid concomitant use. ( 7.1 ) CNS depressants : Increased risk of CNS depression. Avoid concomitant use and monitor for adverse reactions. ( 7.1 ) Strong CYP2D6 inhibitors (e.g., quinidine, bupropion, fluoxetine, and paroxetine) : See Full Prescribing Information for recommended dosage reductions. ( 2.2 , 2.3 , 7.1 ) MAO inhibitors : Increased risk of hypertension; avoid concomitant use. ( 5.5 , 7.1 ) Additional drug interactions : See Full Prescribing Information. ( 7.1 , 7.2 ) Pregnancy guidance Risk Summary Published studies, including retrospective cohort studies, national registry studies, and meta-analyses, do not report an increased risk of adverse pregnancy-related outcomes with use of metoclopramide during pregnancy. There are potential risks to the neonate following exposure in utero to metoclopramide during delivery [ see Clinical Considerations ]. In animal reproduction studies, no adverse developmental effects were observed with oral administration of metoclopramide to pregnant rats and rabbits at exposures about 6 and 12 times the maximum recommended human dose (MRHD) [ see Data ]. The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. All pregnancies have a background risk of birth defects, loss or other adverse outcomes. In the U.S. general population, the estimated background risk of major birth defects and miscarriage in the clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. Clinical Considerations Fetal/Neonatal Adverse Reactions Metoclopramide crosses the placental barrier and may cause extrapyramidal signs and methemoglobinemia in neonates with maternal administration during delivery. Monitor neonates for extrapyramidal signs [ see Warnings and Precautions ( 5.1 , 5.2 ), Use in Specific Populations ( 8.4 ) ]. Data Animal Data Reproduction studies have been performed following administration of oral metoclopramide during organogenesis in pregnant rats at about 6 times the MRHD calculated on body surface area and in pregnant rabbits at about 12 times the MRHD calculated on body surface area. No evidence of adverse developmental effects due to metoclopramide were obse