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Onapgo
apomorphine
Adult Dosing .
Dosage forms: INJ (cartridge): 4.9 mg per mL
Special Note
- [equivalency or interchangeability info]
- Info: apomorphine for SC infusion not interchangeable w/ other apomorphine products; do not substitute on a mg to mg basis
Parkinson dz, advanced
- [individualize dose via SC infusion x16h/day while awake]
- Start: 1 mg/h via SC infusion x16h/day while awake, then may adjust by 0.5-1 mg/h/day; Max: 98 mg total dose/day; 6 mg/h; Info: may give extra dose 0.5-2 mg SC x1 up to 3 doses/day no more frequently than q3h when starting morning infusion, restarting infusion after >1h break in use, or managing acute off episode; consider premed w/ trimethobenzamide starting 3 days prior to 1st dose, then prn for up to 2mo; taper dose gradually to D/C
renal dosing
- [adjust dose amount]
- mild-moderate impairment: initial extra dose 0.5-1 mg x1; severe impairment: not defined
- HD/PD: not defined
hepatic dosing
- [see below]
- hepatic impairment: not defined, caution advised
Peds Dosing .
Peds dosing is currently unavailable or not applicable for this drug.
Contraindications / Cautions .
- hypersensitivity to drug or ingredient
- hypersensitivity to sulfites
- IV use
- abrupt withdrawal
- avoid: alcohol use
- caution: hepatic impairment
- caution: renal impairment
- caution: psychotic disorder, major
- caution: dyskinesia
- caution: cardiovascular dz
- caution: cerebrovascular dz
- caution: electrolyte abnormalities
- caution: long QT syndrome, congenital
- caution: QT prolongation
- caution: QT prolongation family hx
- caution: torsades de pointes hx
- caution: ventricular arrhythmia
- caution: bradycardia
- caution: MI, recent
- caution: CHF
Drug Interactions .
Overview
apomorphine
dopamine agonist
- CNS depression
- dopamine agonist
- hypotensive effects
- prolongs QT interval (known)
Contraindicated
- alosetron
- cisapride
- dronedarone
- granisetron
- levoketoconazole
- ondansetron
- palonosetron
- pimozide
- thioridazine
Avoid/Use Alternative
- adagrasib
- aldesleukin
- amiodarone
- amisulpride
- anagrelide
- apalutamide
- apomorphine
- arsenic trioxide
- artemether/lumefantrine
- asenapine
- azithromycin
- bedaquiline
- bromocriptine
- butalbital
- cabergoline
- cabozantinib
- ceritinib
- chloroquine
- chlorpromazine
- citalopram
- clarithromycin
- clofazimine
- clonidine
- clozapine
- codeine
- crizotinib
- degarelix
- desflurane
- desipramine
- dexmedetomidine
- dexmedetomidine injection
- disopyramide
- dofetilide
- domperidone
- donepezil
- doxylamine
- droperidol
- efavirenz
- encorafenib
- entrectinib
- ephedra
- epirubicin
- eribulin
- erythromycin
- ethanol
- etrasimod
- fenoldopam
- fexinidazole
- flecainide
- fluorouracil
- fluoxetine
- fluphenazine
- foscarnet
- gepotidacin
- gilteritinib
- givinostat
- glasdegib
- goserelin
- grapefruit
- haloperidol
- histrelin
- hydrocodone
- hydroxychloroquine
- hydroxyzine
- ibutilide
- iloperidone
- inotuzumab ozogamicin
- isocarboxazid
- isoflurane
- ivabradine
- ivosidenib
- kava
- kratom
- lefamulin
- leuprolide
- levofloxacin
- lofexidine
- lonafarnib
- loperamide
- lopinavir/ritonavir
- loxapine
- lumateperone
- lurasidone
- macimorelin
- metaxalone
- methadone
- metoclopramide
- midazolam
- mifepristone
- mobocertinib
- molindone
- moxifloxacin
- nilotinib
- olanzapine
- oliceridine
- osimertinib
- oxaliplatin
- oxybate
- ozanimod
- pacritinib
- paliperidone
- panobinostat
- pasireotide
- pazopanib
- pentamidine
- perphenazine
- phenelzine
- phenobarbital
- pimavanserin
- pitolisant
- ponesimod
- pramipexole
- procainamide
- prochlorperazine
- promethazine
- propafenone
- quetiapine
- quinidine (antiarrhythmic)
- quinidine (CYP2D6 inhibitor)
- quinine
- quizartinib
- revumenib
- ribociclib
- rilpivirine
- risperidone
- romidepsin
- ropeginterferon alfa-2b
- ropinirole
- rotigotine transdermal
- rucaparib
- selpercatinib
- sertraline
- sevoflurane
- siponimod
- solifenacin
- sorafenib
- sotalol
- telavancin
- tetrabenazine
- thalidomide
- thiothixene
- toremifene
- tramadol
- tranylcypromine
- trazodone
- triclabendazole
- trifluoperazine
- trifluridine
- triptorelin
- vandetanib
- vemurafenib
- ziprasidone
- zuranolone
Monitor/Modify Tx
- acebutolol
- albuterol
- albuterol inhaled
- alfentanil
- alfuzosin
- aliskiren
- alprazolam
- amantadine
- amifostine
- amiloride
- amitriptyline
- amlodipine
- amoxapine
- apraclonidine ophthalmic
- aprocitentan
- arformoterol inhaled
- aripiprazole bimonthly injection
- aripiprazole lauroxil
- aripiprazole monthly injection
- aripiprazole oral
- articaine
- asciminib
- atenolol
- avanafil
- azilsartan medoxomil
- baclofen intrathecal
- benazepril
- berberine
- berotralstat
- betaxolol
- betaxolol ophthalmic
- bethanechol
- bexagliflozin
- bisoprolol
- bortezomib
- brexpiprazole
- brimonidine ophthalmic
- brimonidine topical
- bumetanide
- bupivacaine
- bupivacaine liposomal
- buprenorphine
- butorphanol
- canagliflozin
- candesartan cilexetil
- cannabis
- captopril
- carbamazepine
- cariprazine
- carteolol ophthalmic
- carvedilol
- chlordiazepoxide
- chloroprocaine
- chlorothiazide
- chlorthalidone
- cilostazol
- ciprofloxacin
- clevidipine
- clobazam
- clofarabine
- clomipramine
- clonazepam
- clorazepate
- coenzyme Q-10
- dapagliflozin
- daridorexant
- dasatinib
- denileukin diftitox
- deutetrabenazine
- diazepam
- dihydrocodeine
- diltiazem
- dinutuximab
- dipyridamole
- doxazosin
- doxepin
- dronabinol
- duloxetine
- eliglustat
- empagliflozin
- enalapril
- enalaprilat
- entacapone
- eplerenone
- epoprostenol
- ertugliflozin
- escitalopram
- esketamine
- esmolol
- estazolam
- eszopiclone
- ethacrynic acid
- ethanol (in some formulations)
- etomidate
- felodipine
- fentanyl
- ferumoxytol
- fingolimod
- flaxseed
- flibanserin
- fluconazole
- flurazepam
- formoterol inhaled
- fosinopril
- foslevodopa
- fostemsavir
- furosemide
- gabapentin
- gabapentin enacarbil
- garlic
- gemtuzumab ozogamicin
- gepirone
- guanfacine
- hydralazine
- hydrochlorothiazide
- hydromorphone
- ifosfamide
- iloprost
- iloprost inhaled
- imipramine
- indapamide
- irbesartan
- iron sucrose
- isosorbide dinitrate
- isosorbide mononitrate
- isradipine
- ketamine
- labetalol
- landiolol
- lapatinib
- lemborexant
- lenvatinib
- levalbuterol inhaled
- levobunolol ophthalmic
- levodopa
- levorphanol
- lidocaine
- lisinopril
- lorazepam
- losartan
- lubiprostone
- magnesium sulfate
- maraviroc
- mavorixafor
- mefloquine
- meperidine
- mepivacaine
- methohexital
- methyldopa
- methylene blue injection
- metolazone
- metoprolol
- metronidazole
- midostaurin
- milrinone
- minoxidil
- mirtazapine
- moexipril
- morphine
- nadolol
- nalbuphine
- nattokinase
- naxitamab
- nebivolol
- nelarabine
- niacin (vitamin B3)
- nicardipine
- nifedipine
- nimodipine
- nisoldipine
- nitric oxide
- nitrite
- nitroglycerin
- nitroprusside
- nortriptyline
- ofloxacin
- olmesartan medoxomil
- olodaterol inhaled
- opicapone
- opium
- osilodrostat
- oxazepam
- oxybutynin
- oxycodone
- oxymorphone
- palopegteriparatide
- pentazocine
- pentobarbital
- perindopril
- phenoxybenzamine
- phentolamine
- pindolol
- posaconazole
- pralsetinib
- prazosin
- pregabalin
- primaquine
- primidone
- procarbazine
- propofol
- propranolol
- protriptyline
- quazepam
- quinapril
- ramipril
- ranolazine
- rasagiline
- relugolix
- remifentanil
- remimazolam
- riociguat
- ropivacaine
- sacituzumab govitecan
- sacubitril
- safinamide
- salmeterol inhaled
- selegiline
- selegiline transdermal
- sildenafil
- silodosin
- sodium ferric gluconate complex
- sotagliflozin
- sparsentan
- spironolactone
- sufentanil
- sunitinib
- suvorexant
- tacrolimus
- tadalafil
- tagraxofusp
- tamsulosin
- tapentadol
- taurine
- tazemetostat
- telmisartan
- temazepam
- terazosin
- terbutaline
- timolol
- timolol ophthalmic
- tizanidine
- tolcapone
- tolterodine
- torsemide
- trandolapril
- treprostinil
- triamterene
- triazolam
- trimipramine
- valbenazine
- valsartan
- vardenafil
- venlafaxine
- verapamil
- vilanterol inhaled
- voclosporin
- voriconazole
- vosoritide
- yohimbe
- zaleplon
- ziconotide
- zolpidem
Caution Advised
- 5-HTP
- allopurinol
- almotriptan
- baclofen
- brivaracetam
- brompheniramine
- buspirone
- cannabidiol
- carbinoxamine
- carisoprodol
- cenobamate
- cetirizine
- chamomile, German
- chlophedianol
- chlorpheniramine
- chlorzoxazone
- clemastine
- cyclobenzaprine
- cyproheptadine
- dantrolene
- darifenacin
- desvenlafaxine
- dexbrompheniramine
- dexchlorpheniramine
- dichlorphenamide
- difelikefalin
- difenoxin
- dimenhydrinate
- diphenhydramine
- diphenoxylate
- doxepin topical
- eletriptan
- eslicarbazepine acetate
- ethosuximide
- felbamate
- fenfluramine
- fesoterodine
- fluvoxamine
- fosphenytoin
- frovatriptan
- ganaxolone
- glofitamab
- glycopyrrolate
- hyoscyamine
- lacosamide
- lamotrigine
- lasmiditan
- levetiracetam
- levocetirizine
- levomilnacipran
- meclizine
- melatonin
- meprobamate
- methocarbamol
- methsuximide
- metyrapone
- metyrosine
- milnacipran
- mitotane
- mosunetuzumab
- mycophenolate mofetil
- naltrexone
- naratriptan
- nefazodone
- orphenadrine
- oxcarbazepine
- paroxetine
- passion flower
- perampanel
- pheniramine
- phenytoin
- pyrilamine
- ramelteon
- repotrectinib
- rizatriptan
- rufinamide
- scopolamine
- selinexor
- stiripentol
- sumatriptan
- tasimelteon
- thiotepa
- tiagabine
- topiramate
- trihexyphenidyl
- trimethobenzamide
- triprolidine
- trospium
- valerian
- valproic acid
- vigabatrin
- vilazodone
- viloxazine
- zolmitriptan
- zonisamide
Adverse Reactions .
Serious Reactions
- hallucinations
- sudden sleep episodes
- hypotension, orthostatic
- syncope
- MI
- cardiac arrest
- priapism
- abuse potential
- QT prolongation
- hemolytic anemia
- fibrotic complications
Common Reactions
- injection site rxn
- nausea
- somnolence
- dyskinesia
- headache
- insomnia
- dizziness
- hypotension
- weakness
- fatigue
- constipation
- vomiting
- infusion site infection
- hallucinations
- compulsive behaviors
- confusion
- falling
Safety/Monitoring .
Monitoring Parameters
Cr at baseline; BP esp. during dose titration
Pregnancy/Lactation .
Pregnancy
Clinical Summary
weigh risk/benefit during pregnancy; no human data available; possible risk of cardiovascular malformations based on animal data
Lactation
Clinical Summary
weigh risk/benefit while breastfeeding; no human data available to assess risk of infant harm or effects on milk production
Pharmacology .
Metabolism: conjugation; CYP450: 2B6, 2C8, 3A4/5 substrate; UGT: substrate (enzymes not defined); Info: not metab. via COMT
Excretion: urine 86%, feces 4.6%; Half-life: 40min
Subclass: Dystonias/Parkinson Disease
Mechanism of Action
exact mechanism of action unknown; stimulates post-synaptic dopamine D2 receptors in caudate-putamen (dopamine agonist)
Formulary .
No Formulary Selected
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