Quinapril
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| Clinical data | |
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| Trade names | Accupril, others |
| Other names | Quinapril hydrochloride (USAN US) |
| AHFS/Drugs.com | Monograph |
| MedlinePlus | a692026 |
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| Routes of administration | By mouth |
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| Pharmacokinetic data | |
| Protein binding | 97% |
| Elimination half-life | 2 hours |
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| Chemical and physical data | |
| Formula | C25H30N2O5 |
| Molar mass | 438.524 g·mol−1 |
| 3D model (JSmol) | |
| Melting point | 120 to 130 °C (248 to 266 °F) |
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Quinapril, sold under the brand name Accupril[2] by the Pfizer corporation, is a medication used to treat high blood pressure (hypertension), heart failure, and diabetic kidney disease.[1][3] It is a first line treatment for high blood pressure.[3] It is taken by mouth.[1][3]
Common side effects include headaches, dizziness, feeling tired, and cough.[3] Serious side effects may include liver problems, low blood pressure, angioedema, kidney problems, and high blood potassium.[3] Use in pregnancy and breastfeeding is not recommended.[4] It is among a class of drugs called ACE inhibitors and works by decreasing renin-angiotensin-aldosterone system activity.[3]
Quinapril was patented in 1980 and came into medical use in 1989.[5] It is available as a generic medication.[6] In 2020, it was the 253rd most commonly prescribed medication in the United States, with more than 1 million prescriptions.[7][8]
Medical uses
[edit]Quinapril is indicated for the treatment of high blood pressure (hypertension) and as adjunctive therapy in the management of heart failure.[1] It may be used for the treatment of hypertension by itself or in combination with thiazide diuretics, and with diuretics and digoxin for heart failure.[1]
Contraindications
[edit]Contraindications include:[9]
- Pregnancy
- Impaired renal and liver function
- Patients with a history of angioedema related to previous treatment with an ACE inhibitor
- Hypersensitivity to Quinapril
Side effects
[edit]Side effects of Quinapril[9] include dizziness, cough, vomiting, upset stomach, angioedema, and fatigue.
Mechanism of action
[edit]Quinapril inhibits angiotensin converting enzyme, an enzyme which catalyses the formation of angiotensin II from its precursor, angiotensin I. Angiotensin II is a powerful vasoconstrictor and increases blood pressure through a variety of mechanisms. Due to reduced angiotensin production, plasma concentrations of aldosterone are also reduced, resulting in increased excretion of sodium in the urine and increased concentrations of potassium in the blood.
Partial Recall
[edit]In April of 2022, Pfizer voluntarily recalled five batches of the drug because of the presence of a nitrosamine, NNitroso-quinapril. Testing found that the amount of nitrosamines was above the acceptable daily intake level (all humans are exposed to nitrosamines up to a certain daily level by cured and grilled meats, water, dairy products, and vegetables) set by the U.S.'s Food and Drug Administration (FDA). Though long-term ingestion of NNitroso-quinapril potentially might cause cancer in some individuals, there is not believed to be an imminent risk of harm.[10][11]
References
[edit]- ^ a b c d e "Accupril- quinapril hydrochloride tablet, film coated Accupril- quinapril tablet, film coated". DailyMed. 26 August 2021. Retrieved 25 March 2022.
- ^ "ACCUPRIL® Indications and Usage (quinapril HCl) | Pfizer Medical Information - US". www.pfizermedicalinformation.com. Retrieved 25 October 2023.
- ^ a b c d e f "Quinapril Hydrochloride Monograph for Professionals". Drugs.com. American Society of Health-System Pharmacists. Retrieved 3 March 2019.
- ^ "Quinapril Pregnancy and Breastfeeding Warnings". Drugs.com. Retrieved 3 March 2019.
- ^ Fischer J, Ganellin CR (2006). Analogue-based Drug Discovery. John Wiley & Sons. p. 468. ISBN 9783527607495.
- ^ British national formulary : BNF 76 (76 ed.). Pharmaceutical Press. 2018. p. 172. ISBN 9780857113382.
- ^ "The Top 300 of 2020". ClinCalc. Retrieved 7 October 2022.
- ^ "Quinapril - Drug Usage Statistics". ClinCalc. Retrieved 7 October 2022.
- ^ a b "Angiotensin-Converting Enzyme (ACE) Inhibitors". Cleveland Clinic. Retrieved 25 October 2023.
- ^ "Pfizer recalls blood pressure tablets due to increased cancer risk". MSN.
- ^ "Pfizer Voluntary Nationwide Recall of Lots of ACCUPRIL® (Quinapril HCL) Due to N-Nitroso-Quinapril Content". Food and Drug Administration. 22 April 2022.
External links
[edit]- "Quinapril hydrochloride". Drug Information Portal. U.S. National Library of Medicine.
