Generic Adcirca Availability
ADCIRCA (tadalafil - tablet;oral)
Has a generic version of Adcirca been approved?
No. There is currently no therapeutically equivalent version of Adcirca available in the United States.
Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of Adcirca. 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.
Tetracyclic derivatives; process of preparation and use
Issued: January 12, 1999
Inventor(s): Daugan; Alain Claude-Marie
Assignee(s): ICOS Corporation
A compound of formula (I) ##STR1## and salts and solvates thereof, in which: R.sup.0 represents hydrogen, halogen or C.sub.1-6 alkyl; R.sup.1 represents hydrogen, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, haloC.sub.1-6 alkyl, C.sub.3-8 cycloalkyl, C.sub.3-8 cycloalkylC.sub.1-3 alkyl, arylC.sub.1-3 alkyl or heteroarylC.sub.1-3 alkyl; R.sup.2 represents an optionally substituted monocyclic aromatic ring selected from benzene, thiophene, furan and pyridine or an optionally substituted bicyclic ring ##STR2## attached to the rest of the molecule via one of the benzene ring carbon atoms and wherein the fused ring A is a 5- or 6-membered ring which may be saturated or partially or fully unsaturated and comprises carbon atoms and optionally one or two heteroatoms selected from oxygen, sulphur and nitrogen; and R.sup.3 represents hydrogen or C.sub.1-3 alkyl, or R.sup.1 and R.sup.3 together represent a 3- or 4-membered alkyl or alkenyl chain. A compound of formula (I) is a potent and selective inhibitor of cyclic guanosine 3', 5'-monophosphate specific phosphodiesterase (cGMP specific PDE) having a utility in a variety of therapeutic areas where such inhibition is beneficial, including the treatment of cardiovascular disorders.Patent expiration dates:
- November 21, 2017✓✓✓
- November 21, 2017
Beta-carboline drug products
Issued: November 23, 2004
Inventor(s): Neil R.; Anderson & Kerry J.; Hartauer & Martha A.; Kral & Gregory A.; Stephenson
Assignee(s): Lilly ICOS LLC
A compound of structural formula (I), and pharmaceutically acceptable salts and solvates thereof, wherein the compound is in free drug particulate form, is disclosed.Patent expiration dates:
- November 19, 2020✓✓
- November 19, 2020
β-carboline pharmaceutical compositions
Issued: February 27, 2007
Inventor(s): Oren; Peter L. & Anderson; Neil R. & Kral; Martha A.
Assignee(s): Lilly Icos LLC.
Formulations containing a PDE5 inhibitor, a water-soluble diluent, a lubricant, a hydrophilic binder, a disintegrant, and optional microcrystalline cellulose and/or a wetting agent, and their use in treating sexual dysfunction, are disclosed.Patent expiration dates:
- April 26, 2020✓
- April 26, 2020
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- Drug class: agents for pulmonary hypertension
Other brands: Cialis
Related treatment guides
|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.|