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Kapidex

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Kapidex Delayed Release Capsules

Kapidex (dexlansoprazole delayed release capsules) (Now known as Dexilant)
(dexlansoprazole) Delayed Release Capsules

DRUG DESCRIPTION

The active ingredient in KAPIDEX (dexlansoprazole delayed release capsules) (dexlansoprazole) delayed release capsules is (+)-2-[(R)-{[3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl] methyl} sulfinyl]-1H-benzimidazole, a compound that inhibits gastric acid secretion. Dexlansoprazole is the R-enantiomer of lansoprazole (a racemic mixture of the R- and S-enantiomers). Its empirical formula is: C16H14F3N3O2S, with a molecular weight of 369.36. The structural formula is:

KAPIDEX (dexlansoprazole)  Structural Formula Illustration

Dexlansoprazole is a white to nearly white crystalline powder which melts with decomposition at 140°C. Dexlansoprazole is freely soluble in dimethylformamide, methanol, dichloromethane, ethanol, and ethyl acetate; and soluble in acetonitrile; slightly soluble in ether; and very slightly soluble in water; and practically insoluble in hexane.

Dexlansoprazole is stable when exposed to light. Dexlansoprazole is more stable in neutral and alkaline conditions than acidic conditions.

KAPIDEX (dexlansoprazole delayed release capsules) is supplied as a dual delayed release formulation in capsules for oral administration. The capsules contain dexlansoprazole in a mixture of two types of enteric-coated granules with different pH-dependent dissolution profiles [see CLINICAL PHARMACOLOGY].

KAPIDEX (dexlansoprazole delayed release capsules) is available in two dosage strengths: 30 mg and 60 mg, per capsule. Each capsule contains enteric-coated granules consisting of dexlansoprazole (active ingredient) and the following inactive ingredients: sugar spheres, magnesium carbonate, sucrose, low-substituted hydroxypropyl cellulose, titanium dioxide, hydroxypropyl cellulose, hypromellose 2910, talc, methacrylic acid copolymer, polyethylene glycol 8000, triethyl citrate, polysorbate 80, and colloidal silicon dioxide. The components of the capsule shell include the following inactive ingredients: hypromellose, carrageenan and potassium chloride. Based on the capsule shell color, blue contains FD&C Blue No. 2 and aluminum lake; gray contains ferric oxide and aluminum lake; and both contain titanium dioxide.

What are the possible side effects of dexlansoprazole (Dexilant)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

  • chest pain, fast or pounding heartbeats;
  • severe stomach pain;
  • diarrhea that is watery or bloody;
  • worsening heartburn; or
  • low magnesium (dizziness, confusion, fast or uneven heart rate, jerking muscle movements, jittery feeling, muscle cramps, muscle weakness or limp feeling, cough or choking feeling,...

Read All Potential Side Effects and See Pictures of Kapidex Delayed Release Capsules »

Last reviewed on RxList: 4/14/2010
This monograph has been modified to include the generic and brand name in many instances.

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