A direct compression granulated acetaminophen tableting composition is prepared by blending acetaminophen with a binder, disintegrant, lubricant and a small amount of water or alcohol, compacting the blend, preferably by roller compacting into sheets, and milling the compacted product into granulated particles of a desired particle size suitable for direct compression tableting.

This invention relates to a composition comprising a tramadol material and acetaminophen, and its use. As used herein tramadol refers to various forms of tramadol. The compositions are pharmacologically useful in treating pain and tussive conditions. The compositions are also subject to less opioid side-effects such as abuse liability, tolerance, constipation and respiratory depression. Furthermore, where the components of the compositions are within certain ratios the pharmacological effects of...

Direct compressed solid pharmaceutical dosage forms containing: a) from about 40 to about 95% by weight acetaminophen; b) from about 1 to about 60% by weight of a direct compression vehicle comprising microcrystalline cellulose; and c) from about 0.01 to about 4.0% by weight of a pharmaceutically-acceptable lubricant are disclosed. The acetaminophen and direct compression vehicle are combined under high shear conditions which are sufficient to transform acetaminophen and direct compression vehic...

This invention relates to an analgesic composition and more particularly, to a directly dry compressible composition comprising at least about 70% by dry weight of the composition of acetaminophen and a metal carboxymethyl starch present in an amount sufficient for it to function both as a binder and as a disintegrating agent.

Isolated salts of acetaminophen are disclosed. Alkali metal and alkaline-earth metal salts of acetaminophen were formed by reacting the free acid of acetaminophen with the corresponding metal hydroxide and then immediately isolating the resulting salt. These salts have been found to be more water soluble and less bitter in taste than the free acid form of acetaminophen. The isolated salts may also be combined with other active ingredients.

An acetaminophen-sustained release tablet or tablet layer is formed by making a wet granulation, using Povidone (PVP) in water or alcohol-water as the granulating fluid which is mixed with acetaminophen, hydroxyethyl cellulose, a wicking agent e.g. microcrystalline cellulose, then drying and milling the granulation and blending with dry powdered erosion promoter, e.g. pregelatinized starch, wicking agent, lubricant e.g. magnesium stearate and glidant e.g. silicon dioxide, and compressing the res...

The present invention relates to the use of acetaminophen (Tylenol) and derivatives thereof which can be used to inhibit the growth, replication and elaboration of the human immunodeficiency virus (HIV). The present invention comprises in vitro as well as in vivo methods for the prevention and/or treatment of HIV infections and acquired immune deficiency syndrome (AIDS), at doses of acetaminophen or its derivatives which are effective to inhibit the replication, growth and/or elaboration of HIV.

A granulation process for preparing a solid dosage form containing acetaminophen and diphenhydramine hydrochloride, as active agents is disclosed. In addition, the solid dosage form produced by the process is described.

The invention hereindescribed relates to a form of cancer therapy which exploits the cytotoxic properties of acetaminophen when converted to NABQI by the metabolic activity of tumour cell specific P450; vectors for use in the delivery of P450 to tumour cells; and therapeutic compositions comprising said vectors.

The subject invention relates to a process for preparing acetaminophen powders by spray drying the acetaminophen in the presence of various excipients. Preferably a lubricant is incorporated into the acetaminophen powder during the spray drying process or after the spray drying process by passing the spray dried acetaminophen powder through a fluidized bed dryer which contains a lubricant.