Vonoprazan Fumarate
Generic Name: vonoprazan fumarate
Brand Names:
Voquezna
11 DESCRIPTION Vonoprazan (as the fumarate), is a potassium-competitive acid blocker. Chemically, it is 1 H -pyrrole-3-methanamine, 5-(2-fluorophenyl)- N -methyl-1-(3-pyridinylsulfonyl)-, (2 E) -2-butenedioate (1:1). Its empirical formula is C 17 H 16 FN 3 O 2 S•C 4 H 4 O 4 with a molecular weight of 461.5. Vonoprazan fumarate has the following structure: Vonoprazan fumarate is white to nearly white crystals or crystalline powder, which melts at 194.8°C.
Overview
11 DESCRIPTION Vonoprazan (as the fumarate), is a potassium-competitive acid blocker. Chemically, it is 1 H -pyrrole-3-methanamine, 5-(2-fluorophenyl)- N -methyl-1-(3-pyridinylsulfonyl)-, (2 E) -2-butenedioate (1:1). Its empirical formula is C 17 H 16 FN 3 O 2 S•C 4 H 4 O 4 with a molecular weight of 461.5. Vonoprazan fumarate has the following structure: Vonoprazan fumarate is white to nearly white crystals or crystalline powder, which melts at 194.8°C.
Uses
1 INDICATIONS AND USAGE VOQUEZNA is indicated: for healing of all grades of erosive esophagitis and relief of heartburn associated with erosive esophagitis in adults. to maintain healing of all grades of erosive esophagitis and relief of heartburn associated with erosive esophagitis in adults. for the relief of heartburn associated with non-erosive gastroesophageal reflux disease in adults. in combination with amoxicillin and clarithromycin for the treatment of Helicobacter pylori ( H. pylori ) infection in adults. in combination with amoxicillin for the treatment of H. pylori infection in adults. VOQUEZNA is a potassium-competitive acid blocker indicated: for healing of all grades of erosive esophagitis and relief of heartburn associated with erosive esophagitis in adults.
Dosage
2 DOSAGE AND ADMINISTRATION Recommended Dosage : Healing of Erosive Esophagitis: 20 mg once daily for 8 weeks. ( 2.1 ) Maintenance of Healed Erosive Esophagitis: 10 mg once daily for up to 6 months. ( 2.1 ) Relief of Heartburn Associated with Non-Erosive Gastroesophageal Reflux Disease: 10 mg once daily for 4 weeks. ( 2.1 ) Treatment of H. pylori Infection: see full prescribing information. ( 2.1 ) See also full prescribing information for the recommended dosage by indication for patients with renal or hepatic impairment. ( 2.2 , 2.3 ) Administration Instructions : Take with or without food. ( 2.4 ) Swallow whole; do not chew or crush.
Side Effects
6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in labeling: Acute Tubulointerstitial Nephritis [see Warnings and Precautions (5.2) ] Clostridioides difficile -Associated Diarrhea [see Warnings and Precautions (5.3) ] Bone Fracture [see Warnings and Precautions (5.4) ] Severe Cutaneous Adverse Reactions [see Warnings and Precautions (5.5) ] Vitamin B12 (Cobalamin) Deficiency [see Warnings and Precautions (5.6) ] Hypomagnesemia and Mineral Metabolism [see Warnings and Precautions (5.7) ] Fundic Gland Polyps [see Warnings and Precautions (5.9) ] Most common adverse reactions in VOQUEZNA-treated patients are: Healing of Erosive Esophagitis (≥2%): gastritis, diarrhea, abdominal distension, abdominal pain, and nausea.
Interactions
7 DRUG INTERACTIONS Table 9 and Table 10 include drugs with clinically important drug interactions and interaction with diagnostics when administered concomitantly with VOQUEZNA and instructions for preventing or managing them. These recommendations are based on either drug interaction trials or predicted interactions due to the expected magnitude of interaction and potential for serious adverse reactions or loss of efficacy [see Clinical Pharmacology (12.3) ] . Consult the labeling of concomitantly used drugs to obtain further information about interactions with vonoprazan.
Warnings
5 WARNINGS AND PRECAUTIONS Gastric Malignancy : Symptomatic response to treatment does not preclude the presence of gastric malignancy; consider additional follow-up and diagnostic testing. ( 5.1 ) Acute Tubulointerstitial Nephritis : Discontinue treatment and evaluate patients. ( 5.2 ) Clostridioides difficile -Associated Diarrhea (CDAD) : May be associated with an increased risk; use the shortest duration of treatment appropriate to the condition. ( 5.3 ) Bone Fracture, including Osteoporosis-related Fracture : Use the shortest duration of treatment appropriate to the condition. ( 5.4 ) Severe Cutaneous Adverse Reactions : Discontinue at the first signs or symptoms of severe cutaneous adverse reactions or other signs of hypersensitivity and consider further evaluation. 4 CONTRAINDICATIONS VOQUEZNA is contraindicated in patients with a known hypersensitivity to vonoprazan or any component of VOQUEZNA. Reactions have included anaphylactic shock [see Adverse Reactions (6.2) and Description (11) ] . VOQUEZNA is contraindicated with rilpivirine-containing products [see Drug Interactions (7) ] .
Pregnancy
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to VOQUEZNA during pregnancy. Healthcare providers are encouraged to register patients by calling 1-866-609-1612 or visiting https://voqueznapregnancyregistry.com/ . Risk Summary There are no adequate and well-controlled studies of vonoprazan in pregnant women.
Storage
Store between 20°C and 25°C (68°F and 77°F); excursions permitted between 15°C and 30°C (59°F and 86°F) [see USP Controlled Room Temperature].
Frequently Asked Questions
What is Vonoprazan Fumarate used for?▼
1 INDICATIONS AND USAGE VOQUEZNA is indicated: for healing of all grades of erosive esophagitis and relief of heartburn associated with erosive esophagitis in adults. to maintain healing of all grades of erosive esophagitis and relief of heartburn associated with erosive esophagitis in adults. for the relief of heartburn associated with non-erosive gastroesophageal reflux disease in adults. in combination with amoxicillin and clarithromycin for the treatment of Helicobacter pylori ( H. pylori ) infection in adults. in combination with amoxicillin for the treatment of H. pylori infection in adults. VOQUEZNA is a potassium-competitive acid blocker indicated: for healing of all grades of erosive esophagitis and relief of heartburn associated with erosive esophagitis in adults.
What are the side effects of Vonoprazan Fumarate?▼
6 ADVERSE REACTIONS The following serious adverse reactions are described elsewhere in labeling: Acute Tubulointerstitial Nephritis [see Warnings and Precautions (5.2) ] Clostridioides difficile -Associated Diarrhea [see Warnings and Precautions (5.3) ] Bone Fracture [see Warnings and Precautions (5.4) ] Severe Cutaneous Adverse Reactions [see Warnings and Precautions (5.5) ] Vitamin B12 (Cobalamin) Deficiency [see Warnings and Precautions (5.6) ] Hypomagnesemia and Mineral Metabolism [see Warnings and Precautions (5.7) ] Fundic Gland Polyps [see Warnings and Precautions (5.9) ] Most common adverse reactions in VOQUEZNA-treated patients are: Healing of Erosive Esophagitis (≥2%): gastritis, diarrhea, abdominal distension, abdominal pain, and nausea.
Can I take Vonoprazan Fumarate during pregnancy?▼
8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to VOQUEZNA during pregnancy. Healthcare providers are encouraged to register patients by calling 1-866-609-1612 or visiting https://voqueznapregnancyregistry.com/ . Risk Summary There are no adequate and well-controlled studies of vonoprazan in pregnant women.
What are the important warnings for Vonoprazan Fumarate?▼
5 WARNINGS AND PRECAUTIONS Gastric Malignancy : Symptomatic response to treatment does not preclude the presence of gastric malignancy; consider additional follow-up and diagnostic testing. ( 5.1 ) Acute Tubulointerstitial Nephritis : Discontinue treatment and evaluate patients. ( 5.2 ) Clostridioides difficile -Associated Diarrhea (CDAD) : May be associated with an increased risk; use the shortest duration of treatment appropriate to the condition. ( 5.3 ) Bone Fracture, including Osteoporosis-related Fracture : Use the shortest duration of treatment appropriate to the condition. ( 5.4 ) Severe Cutaneous Adverse Reactions : Discontinue at the first signs or symptoms of severe cutaneous adverse reactions or other signs of hypersensitivity and consider further evaluation. 4 CONTRAINDICATIONS VOQUEZNA is contraindicated in patients with a known hypersensitivity to vonoprazan or any component of VOQUEZNA. Reactions have included anaphylactic shock [see Adverse Reactions (6.2) and Description (11) ] . VOQUEZNA is contraindicated with rilpivirine-containing products [see Drug Interactions (7) ] .
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.