Generic Lastacaft Availability
LASTACAFT (alcaftadine - solution/drops;ophthalmic)
Has a generic version of Lastacaft been approved?
No. There is currently no therapeutically equivalent version of Lastacaft available in the United States.
Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of Lastacaft. These medications may be counterfeit and potentially unsafe. If you purchase medications online, be sure you are buying from a reputable and valid online pharmacy. Ask your health care provider for advice if you are unsure about the online purchase of any medication.
See also: About generic drugs.
Patents are granted by the U.S. Patent and Trademark Office at any time during a drug's development and may include a wide range of claims.
Imidazo[2,1-b]benzazepine derivatives, compositions and method of use
Issued: November 21, 1995
Inventor(s): Janssens; Frans E. & Diels; Gaston S. M. & Leenaerts; Joseph E.
Assignee(s): Janssen Pharmaceutica N.V.
The present invention is concerned with novel imidazo[2, 1-b]benzazepines of formula ##STR1## the pharmaceutically acceptable addition salts and stereochemically isomeric forms thereof, wherein each of the dotted lines independently represents an optional bond; R.sup.1 represents hydrogen, halo, C.sub.1-4 alkyl or C.sub.1-4 alkyloxy; R.sup.2 represents hydrogen, halo, C.sub.1-4 alkyl or C.sub.1-4 alkyloxy; R.sup.3 represents hydrogen, C.sub.1-4 alkyl, ethenyl substituted with hydroxycarbonyl or C.sub.1-4 alkyloxycarbonyl, C.sub.1-4 alkyl substituted with hydroxycarbonyl or C.sub.1-4 alkyloxycarbonyl, hydroxyC.sub.1-4 alkyl, formyl or hydroxycarbonyl; R.sup.4 represents hydrogen, C.sub.1-4 alkyl, hydroxyC.sub.1-4 alkyl, phenyl or halo; R.sup.5 represents hydrogen, C.sub.1-4 alkyl or halo; L represents hydrogen; C.sub.1-6 alkyl; C.sub.1-6 alkyl substituted with one substituent selected from the group consisting of hydroxy, halo, C.sub.1-4 alkyloxy, hydroxycarbonyl, C.sub.1-4 alkyloxycarbonyl, C.sub.1-4 alkyloxycarbonyl-C.sub.1-4 alkyloxy, hydroxycarbonylC.sub.1-4 alkyloxy, C.sub.1-4 alkyloxycarbonylamino, C.sub.1-4 alkylaminocarbonyl, C.sub.1-4 alkylaminocarbonylamino, C.sub.1-4 alkylaminothiocarbonylamino, aryl, aryloxy and arylcarbonyl; C.sub.1-6 alkyl substituted with both hydroxy and aryloxy; C.sub.3-6 alkenyl; C.sub.3-6 alkenyl substituted with aryl; or, L represents a radical of formula --Alk--Y--Het.sup.1 (a-1),--Alk--NH--CO--Het.sup.2 (a-2)or --Alk--Het.sup.3 (a-3); provided that 6,11-dihydro-11-(4-piperidinylidene)-5H-imidazo[2,1-b]benzazepine is ecxluded, which are useful antiallergic compounds. Compositions comprising said compounds, methods of using and processes for preparing the same.Patent expiration dates:
- April 20, 2016✓✓
- April 20, 2016
Ocular allergy treatments with alcaftadine
Issued: March 4, 2014
Assignee(s): Vistakon Pharmaceuticals, LLC
Compositions, kits, and methods for the treatment or prevention of ocular allergies and inflammation and the symptoms thereof containing alcaftadine or a pharmaceutically acceptable salt thereof.Patent expiration dates:
- December 23, 2027✓
- December 23, 2027
Exclusivity is exclusive marketing rights granted by the FDA upon approval of a drug and can run concurrently with a patent or not. Exclusivity is a statutory provision and is granted to an NDA applicant if statutory requirements are met.
- Exclusivity expiration dates:
- July 28, 2015 -
More about Lastacaft (alcaftadine ophthalmic)
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|Drug Patent||A drug patent is assigned by the U.S. Patent and Trademark Office and assigns exclusive legal right to the patent holder to protect the proprietary chemical formulation. The patent assigns exclusive legal right to the inventor or patent holder, and may include entities such as the drug brand name, trademark, product dosage form, ingredient formulation, or manufacturing process A patent usually expires 20 years from the date of filing, but can be variable based on many factors, including development of new formulations of the original chemical, and patent infringement litigation.|
|Drug Exclusivity||Exclusivity is the sole marketing rights granted by the FDA to a manufacturer upon the approval of a drug and may run simultaneously with a patent. Exclusivity periods can run from 180 days to seven years depending upon the circumstance of the exclusivity grant.|
|RLD||A Reference Listed Drug (RLD) is an approved drug product to which new generic versions are compared to show that they are bioequivalent. A drug company seeking approval to market a generic equivalent must refer to the Reference Listed Drug in its Abbreviated New Drug Application (ANDA). By designating a single reference listed drug as the standard to which all generic versions must be shown to be bioequivalent, FDA hopes to avoid possible significant variations among generic drugs and their brand name counterpart.|