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Glycopyrronium bromide
INN: Glycopyrronium

Clinical data
Trade names	Robinul, Cuvposa, Seebri, others
Other names	glycopyrrolate (USAN US)
AHFS/Drugs.com	Monograph
MedlinePlus	a602014
License data	US DailyMed: Glycopyrrolate
Pregnancy category	AU: B2
Routes of administration	By mouth, intravenous, inhalation, topical, injection, subcutaneous
Drug class	Antimuscarinic (peripherally-selective)
ATC code	A03AB02 (WHO) D11AA01 (WHO) R03BB06 (WHO)
Legal status
Legal status	AU: S3 / S4 CA: ℞-only UK: POM (Prescription only) US: ℞-only EU: Rx-only In general: ℞ (Prescription only)
Pharmacokinetic data
Elimination half-life	0.6–1.2 hours
Excretion	85% Kidney, unknown amount in the bile
Identifiers
IUPAC name 3--1,1-dimethylpyrrolidinium bromide
CAS Number	51186-83-5 as cation: 596-51-0
PubChem CID	3494 as cation: 11693
IUPHAR/BPS	7459
DrugBank	DBSALT001183 as cation: DB00986
ChemSpider	11201 as cation: 3374
UNII	V92SO9WP2I as cation: A14FB57V1D
KEGG	D00540 as cation: D10938
ChEBI	CHEBI:90972
ChEMBL	ChEMBL1201027 as cation: ChEMBL1201335
CompTox Dashboard (EPA)	DTXSID6023109
ECHA InfoCard	100.008.990
Chemical and physical data
Formula	C19H28BrNO3
Molar mass	398.341 g·mol
3D model (JSmol)	Interactive image as cation: Interactive image
SMILES C1(CCC(C1)OC(=O)C(C2CCCC2)(C3=CC=CC=C3)O)C. as cation: C1(CCC(C1)OC(=O)C(C2CCCC2)(C3=CC=CC=C3)O)C
InChI InChI=1S/C19H28NO3.BrH/c1-20(2)13-12-17(14-20)23-18(21)19(22,16-10-6-7-11-16)15-8-4-3-5-9-15;/h3-5,8-9,16-17,22H,6-7,10-14H2,1-2H3;1H/q+1;/p-1 Key:VPNYRYCIDCJBOM-UHFFFAOYSA-M as cation: InChI=1S/C19H28NO3/c1-20(2)13-12-17(14-20)23-18(21)19(22,16-10-6-7-11-16)15-8-4-3-5-9-15/h3-5,8-9,16-17,22H,6-7,10-14H2,1-2H3/q+1 Key:ANGKOCUUWGHLCE-UHFFFAOYSA-N
(what is this?)  (verify)

Glycopyrronium bromide is a medication of the muscarinic anticholinergic group. It does not cross the blood–brain barrier and consequently has few to no central effects. It is given by mouth, via intravenous injection, on the skin, and via inhalation. It is a synthetic quaternary ammonium compound. The cation, which is the active moiety, is called glycopyrronium (INN) or glycopyrrolate (USAN).

The most common side effects include irritability, flushing, nasal congestion, reduced secretions in the airways, dry mouth, constipation, diarrhea, nausea and vomiting, and urinary retention.

In September 2012, glycopyrronium was approved for medical use in the European Union. In June 2018, glycopyrronium was approved by the U.S. Food and Drug Administration (FDA) to treat excessive underarm sweating, becoming the first drug developed specifically to reduce excessive sweating. It is on the World Health Organization's List of Essential Medicines.

Medical uses

Glycopyrronium was first used in 1961 to treat peptic ulcers. Since 1975, intravenous glycopyrronium has been used before surgery to reduce salivary, tracheobronchial, and pharyngeal secretions. It is also used in conjunction with neostigmine, a neuromuscular blocking reversal agent, to prevent neostigmine's muscarinic effects such as bradycardia. It can be administered to raise the heart rate in reflex bradycardia as a result of a vasovagal reaction, which often will also increase the blood pressure.

It is also used to reduce excessive saliva (sialorrhea), and to treat Ménière's disease.

It has been used topically and orally to treat hyperhidrosis, in particular, gustatory hyperhidrosis and generalized hyperhidrosis.

When inhaled, it is used to treat chronic obstructive pulmonary disease (COPD). Doses for inhalation are much lower than oral ones, so that swallowing a dose will not have an effect.

Side effects

Dry mouth, urinary retention, headaches, vomiting, diarrhea, constipation, and blurry vision are possible side effects of the medication.

Pharmacology

Mechanism of action

Glycopyrronium competitively blocks muscarinic receptors, thus inhibiting cholinergic transmission.

Pharmacokinetics

Glycopyrronium bromide affects the gastrointestinal tracts, liver and kidney but has a very limited effect on the brain and the central nervous system. In horse studies, after a single intravenous infusion, the observed tendencies of glycopyrronium followed a tri-exponential equation, by rapid disappearance from the blood followed by a prolonged terminal phase. Excretion was mainly in urine and in the form of an unchanged drug. Glycopyrronium has a relatively slow diffusion rate, and in a standard comparison to atropine, is more resistant to penetration through the blood-brain barrier and placenta.

Research

It has been studied in asthma.

References

1. "Neurological therapies". Health Canada. 9 May 2018. Retrieved 13 April 2024.
2. ^ "Robinul- glycopyrrolate tablet Robinul Forte- glycopyrrolate tablet". DailyMed. 1 June 2021. Retrieved 20 June 2022.
3. "Dartisla ODT- glycopyrrolate orally disintegrating tablets tablet, orally disintegrating". DailyMed. 9 December 2021. Retrieved 20 June 2022.
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7. ^ "Sialanar EPAR". European Medicines Agency. 17 September 2018. Retrieved 29 January 2023. Text was copied from this source which is copyright European Medicines Agency. Reproduction is authorized provided the source is acknowledged.
8. "Glycopyrrolate Oral Inhalation". MedlinePlus. Archived from the original on 17 August 2021. Retrieved 20 June 2022.
9. "Glycopyrronium Topical". MedlinePlus. Archived from the original on 17 August 2021. Retrieved 20 June 2022.
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11. "FDA OKs first drug made to reduce excessive sweating". AP News. Archived from the original on 2018-07-02. Retrieved 2018-07-02.
12. World Health Organization (2021). World Health Organization model list of essential medicines: 22nd list (2021). Geneva: World Health Organization. hdl:10665/345533. WHO/MHP/HPS/EML/2021.02.
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15. Gallanosa A, Stevens JB, Quick J (June 2023). "Glycopyrrolate". StatPearls . Treasure Island (FL): StatPearls Publishing. PMID 30252291. Retrieved September 13, 2024.
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17. Tscheng DZ (November 2002). "Sialorrhea - therapeutic drug options". The Annals of Pharmacotherapy. 36 (11): 1785–1790. doi:10.1345/aph.1C019. PMID 12398577. S2CID 45799443.
18. Olsen AK, Sjøgren P (October 1999). "Oral glycopyrrolate alleviates drooling in a patient with tongue cancer". Journal of Pain and Symptom Management. 18 (4): 300–302. doi:10.1016/S0885-3924(99)00080-9. PMID 10534970.
19. Maria SA, Claudia C, Pamela G, Andrea C, Roberto A (1 December 2012). "Medical therapy in Ménière's disease". Audiological Medicine. 10 (4): 171–177. doi:10.3109/1651386X.2012.718413. S2CID 72380413.
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21. Kim WO, Kil HK, Yoon KB, Yoon DM (May 2008). "Topical glycopyrrolate for patients with facial hyperhidrosis". The British Journal of Dermatology. 158 (5): 1094–1097. doi:10.1111/j.1365-2133.2008.08476.x. PMID 18294315. S2CID 39870296.
22. "EPAR – Product information for Seebri Breezhaler" (PDF). European Medicines Agency. 28 September 2012. Archived (PDF) from the original on 30 July 2018. Retrieved 4 February 2017.
23. Tzelepis G, Komanapolli S, Tyler D, Vega D, Fulambarker A (January 1996). "Comparison of nebulized glycopyrrolate and metaproterenol in chronic obstructive pulmonary disease". The European Respiratory Journal. 9 (1): 100–103. doi:10.1183/09031936.96.09010100. PMID 8834341.
24. Haddad EB, Patel H, Keeling JE, Yacoub MH, Barnes PJ, Belvisi MG (May 1999). "Pharmacological characterization of the muscarinic receptor antagonist, glycopyrrolate, in human and guinea-pig airways". British Journal of Pharmacology. 127 (2): 413–420. doi:10.1038/sj.bjp.0702573. PMC 1566042. PMID 10385241.
25. Rumpler MJ, Colahan P, Sams RA (June 2014). "The pharmacokinetics of glycopyrrolate in Standardbred horses". Journal of Veterinary Pharmacology and Therapeutics. 37 (3): 260–268. doi:10.1111/jvp.12085. PMID 24325462.
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• Medicine

• Carboxylate esters
• M1 receptor antagonists
• M2 receptor antagonists
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• M4 receptor antagonists
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