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1.1 Schizophrenia

INVEGA® (paliperidone) Extended-Release Tablets are indicated for the acute and maintenance treatment of schizophrenia [see Clinical Studies (14)].

1.2 Schizoaffective Disorder


INVEGA® (paliperidone) Extended-Release Tablets are indicated for the acute treatment of schizoaffective disorder as monotherapy.

Adjunctive Therapy

INVEGA® (paliperidone) Extended-Release Tablets are indicated for the acute treatment of schizoaffective disorder as an adjunct to mood stabilizers and/or antidepressants.


There is currently no drug history available for this drug.

Other Information

Paliperidone, the active ingredient in INVEGA® Extended-Release Tablets, is a psychotropic agent belonging to the chemical class of benzisoxazole derivatives. INVEGA® contains a racemic mixture of (+)- and (-)- paliperidone. The chemical name is (±)-3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one. Its molecular formula is C23H27FN4O3 and its molecular weight is 426.49. The structural formula is:

Chemical Structure

Paliperidone is sparingly soluble in 0.1N HCl and methylene chloride; practically insoluble in water, 0.1N NaOH, and hexane; and slightly soluble in N,N-dimethylformamide.

INVEGA® (paliperidone) Extended-Release Tablets are available in 1.5 mg (orange-brown), 3 mg (white), 6 mg (beige), and 9 mg (pink) strengths. INVEGA® utilizes OROS® osmotic drug-release technology [see Description (11.1)].

Inactive ingredients are carnauba wax, cellulose acetate, hydroxyethyl cellulose, propylene glycol, polyethylene glycol, polyethylene oxides, povidone, sodium chloride, stearic acid, butylated hydroxytoluene, hypromellose, titanium dioxide, and iron oxides. The 3 mg tablets also contain lactose monohydrate and triacetin.

11.1 Delivery System Components and Performance

INVEGA® uses osmotic pressure to deliver paliperidone at a controlled rate. The delivery system, which resembles a capsule-shaped tablet in appearance, consists of an osmotically active trilayer core surrounded by a subcoat and semipermeable membrane. The trilayer core is composed of two drug layers containing the drug and excipients, and a push layer containing osmotically active components. There are two precision laser-drilled orifices on the drug-layer dome of the tablet. Each tablet strength has a different colored water-dispersible overcoat and print markings. In an aqueous environment, such as the gastrointestinal tract, the water-dispersible color overcoat erodes quickly. Water then enters the tablet through the semipermeable membrane that controls the rate at which water enters the tablet core, which, in turn, determines the rate of drug delivery. The hydrophilic polymers of the core hydrate and swell, creating a gel containing paliperidone that is then pushed out through the tablet orifices. The biologically inert components of the tablet remain intact during gastrointestinal transit and are eliminated in the stool as a tablet shell, along with insoluble core components.

Invega Manufacturers

  • Rebel Distributors Corp
    Invega (Paliperidone) Tablet, Extended Release [Rebel Distributors Corp]
  • Remedyrepack Inc.
    Invega (Paliperidone) Tablet, Extended Release [Remedyrepack Inc. ]
  • Janssen Pharmaceuticals, Inc.
    Invega (Paliperidone) Tablet, Extended Release [Janssen Pharmaceuticals, Inc.]
  • Tya Pharmaceuticals
    Invega (Paliperidone) Tablet, Extended Release [Tya Pharmaceuticals]

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