Clinical data | |
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Trade names | Bylvay |
Other names | A4250 |
AHFS/Drugs.com | Monograph |
MedlinePlus | a621049 |
License data |
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Routes of administration | By mouth |
ATC code | |
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Chemical and physical data | |
Formula | C37H48N4O8S2 |
Molar mass | 740.93 g·mol−1 |
3D model (JSmol) | |
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Odevixibat, sold under the brand name Bylvay among others, is a medication for the treatment of progressive familial intrahepatic cholestasis. [5] [9] It is taken by mouth. [5] Odevixibat is a reversible, potent, selective inhibitor of the ileal bile acid transporter (IBAT). [9] [10] [11] It was developed by Albireo Pharma. [12]
The most common side effects include diarrhea, abdominal pain, hemorrhagic diarrhea, soft feces, and hepatomegaly (enlarged liver). [9]
Odevixibat was approved for medical use in the United States and in the European Union in July 2021. [5] [6] [7] [13] [14] The U.S. Food and Drug Administration considers it to be a first-in-class medication. [15]
In the United States, odevixibat is indicated for the treatment of pruritus in people three months of age and older with progressive familial intrahepatic cholestasis. [5] In the European Union it is indicated in people six months of age and older. [6] [7]
Odevixibat is a reversible inhibitor of the ileal sodium/bile acid co-transporter. This transporter is responsible for reabsorption of the majority of bile acids in the distal ileum. [16] The reduced absorption of the bile acids in the distal ileum compounds and leads to a decrease in stimulation of FXR (farnesoid X receptor), decreasing the inhibition of bile acid synthesis. [17]
Odevixibat works as a reversible, selective, small molecule inhibitor of the ileal bile acid transporter (IBAT). [9] [11]
Odevixibat is > 99% protein-bound in vitro. [17] A dose of odevixibat that is 7.2 mg reaches a cmax concentration of 0.47 ng/mL with an AUC (0-24h) of 2.19 h*ng/mL. [17] Adult and pediatric patients given the therapeautic dose of odevixibat did not display plasma concentrations of the drug. [14] Odevixibat is eliminated majorly unchanged. [17] Odevixibat has an average half-life of 2.36 hours. [17]
The peak plasma time ranges from 1 to 5 hours after a single 7.2 mg dose in healthy adults. In healthy adults receiving a single 7.2 mg dose, the peak plasma concentration is 0.47 ng/mL, and the area under the concentration-time curve (AUC) is 2.19 ng·hr/mL. The plasma concentration of odevixibat in patients aged 6 months to 17 years ranges from 0.06 to 0.72 ng/mL. With once-daily dosing, there is no accumulation of odevixibat. [18]
Odevixibat is metabolized through a process called mono-hydroxylation.The drug is primarily eliminated through the feces (97% unchanged), with a minimal amount excreted in the urine (0.002%). [19]
Consuming a high-fat meal (800-1000 calories with approximately 50% of the total caloric content from fat) the peak plasma concentration is decreased by 72%, the AUC by 62%, and delays the peak plasma time by 3 to 4.5 hours. However, the impact of food on systemic exposures to odevixibat is not clinically significant. [20]
Odevixibat cannot be given to a child on a liquid diet. [17]
Common side effects of odevixibat include diarrhea, stomach pain, vomiting, liver test abnormalities, abnormal liquid function tests, and a deficiency in vitamins A, D, E and K. [21] [17]
There are no enough human data on odevixibat use during pregnancy to build a drug-associated risk of major birth defects, miscarriage, or adverse developmental outcomes. [21]
There are no data on the presence of odevixibat in human milk, and how it affects milk production and breastfed babies. [21]
Preclinical studies and early clinical trials were conducted to evaluate the safety and efficacy of odevixibat, to establish the appropriate dosage, assess its mechanism of action, and evaluate its effects on bile acid levels and symptoms in people with progressive familial intrahepatic cholestasis. A 24-week clinical trial, played a role in demonstrating the effectiveness and safety of odevixibat in treating pruritus in children with progressive familial intrahepatic cholestasis. [19]
The US Food and Drug Administration (FDA) granted the application for odevixibat orphan drug designation. [15] The FDA classified odevixibat as an orphan drug for the rare conditions of Alagille syndrome, biliary atresia, and primary biliary cholangitis. [21]
Odevixibat was granted its initial approval in July 2021, in the European Union for the treatment of progressive familial intrahepatic cholestasis in people aged six months and older. In July 2021, it received approval in the United States for the treatment of pruritus (itching) in people aged three months and older with progressive familial intrahepatic cholestasis. [22]
In May 2021, the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) recommended granting a marketing authorization in the European Union for odevixibat for the treatment of progressive familial intrahepatic cholestasis in people aged six months or older. [9] [23] It was authorized for medical use in the European Union in July 2021. [6] [7]
In July 2024, the CHMP adopted a positive opinion, recommending the granting of a marketing authorization under exceptional circumstances for the medicinal product Kayfanda, intended for the treatment of cholestatic pruritus in people with Alagille syndrome aged six months or older. [8] [24] The applicant for this medicinal product is Ipsen Pharma. [8] Kayfanda was authorized for medical use in the European Union in September 2024. [8]
A phase III randomized control trial showed odevixibat reduced pruritis and serum bile acids in children with progressive familial intrahepatic cholestasis. [25]
Ursodeoxycholic acid (UDCA), also known as ursodiol, is a secondary bile acid, produced in humans and most other species from metabolism by intestinal bacteria. It is synthesized in the liver in some species, and was first identified in bile of bears of genus Ursus, from which its name derived. In purified form, it has been used to treat or prevent several diseases of the liver or bile ducts.
Cholestasis is a condition where the flow of bile from the liver to the duodenum is impaired. The two basic distinctions are:
Irinotecan, sold under the brand name Camptosar among others, is an anti-cancer medication used to treat colon cancer and small cell lung cancer. For colon cancer it is used either alone or with fluorouracil. For small cell lung cancer it is used with cisplatin. It is given intravenously.
Progressive familial intrahepatic cholestasis (PFIC) is a group of familial cholestatic conditions caused by defects in biliary epithelial transporters. The clinical presentation usually occurs first in childhood with progressive cholestasis. This usually leads to failure to thrive, cirrhosis, and the need for liver transplantation.
Ipsen is a French biopharmaceutical company headquartered in Paris, France, with a focus on drug development and commercialization in three therapeutic areas: oncology, rare diseases and neuroscience. Ipsen is one of the world's top 15 biopharmaceutical companies in terms of oncology sales.
Intrahepatic cholestasis of pregnancy (ICP), also known as obstetric cholestasis, cholestasis of pregnancy, jaundice of pregnancy, and prurigo gravidarum, is a medical condition in which cholestasis occurs during pregnancy. It typically presents with itching and can lead to complications for both mother and fetus.
ATP-binding cassette, sub-family B member 11 (ABCB11), also known as the bile salt export pump (BSEP), is a protein which in humans is encoded by the ABCB11 gene.
Ileal sodium/bile acid cotransporter, also known as apical sodium–bile acid transporter (ASBT) and ileal bile acid transporter (IBAT), is a bile acid:sodium symporter protein that in humans is encoded by the SLC10A2 gene.
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