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High-strength testosterone undecanoate compositions

a composition and high-strength technology, applied in the direction of capsule delivery, oil/fat/waxes non-active ingredients, instruments, etc., can solve the problem of large dosage forms/doses of therapy

Inactive Publication Date: 2018-06-07
LIPOCINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is related to the formulation of oral testesterone undecanoate (TU) for the treatment of male hypogonadism. The inventors found that capsules with lower TU loading of less than 14% w / w were ineffective due to poor bioavailability. On the other hand, capsules with higher TU loading of ≥14% w / w showed improved performance, providing better therapeutic results. The patent text suggests that only at least 80% of TU in the capsule fill needs to be dissolved, with no more than 180% of TU likely remaining undissolved to achieve optimal bioavailability. This results in a dose-normalized Cmax, suggesting improved bioavailability while still maintaining effective therapeutics.

Problems solved by technology

The applicants of the present invention have found that capsule fill compositions with a lower TU loading of less than 14% w / w are unsuitable for optimal activity due to inadequate bioavailability which also leads to larger dosage forms / doses for therapy in treatment of symptoms related to male hypogonadism.

Method used

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Examples

Experimental program
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##s embodiments

Exemplary Formulations Embodiments

[0113]Provided in this section are formulations. In a preferred embodiment, the formulations provide 440 mg to 490 mg of testosterone undecanoate per day to an individual when administered twice-a-day as one or two unit dosage forms per administration (e.g., 2-4 unit dosage forms per day). For example, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459 In another preferred embodiment, the formulations provide about 450 mg or about 474 mg of testosterone undecanoate per day to an individual when administered twice-a-day as one or two unit dosage forms per administration (e.g., 2-4 unit dosage forms per day). In the tables below the weight percent refers to the weight percent of the capsule fill composition.

TABLE 1Drug + CarriersCompositions (w / w %)Ratio of API:CarrierTestosteronein a pharmaceuticalCompositionundecanoate*CarriercompositionA 8-1080-921.0:9.0-1.0:11.5B10-1486-901.0:4.0-1.0:9.0C15-2080-851....

example 1

one Undecanoate Composition

[0132]A testosterone undecanoate containing composition was prepared by using the components set forth in Table I. The composition is prepared by weighing all of the components, except the testosterone undecanoate, into a clean stainless steel container and mixed together at about 50° C. to about 70° C., using a stirrer. The testosterone undecanoate (TU) is added and stirred into the mixture of other components until the testosterone undecanoate dissolves. A predetermined quantity of this fill material is disposed into a capsule (for example, hard gelatin capsule) to get the required testosterone undecanoate dose per dosage unit. The capsules are allowed to cool at room temperature, banded (if required) and packaged in a HDPE bottle and tightly closed with an appropriate lid.

TABLE IExample 1Composition mg / capsuleTestosterone Undecanoate200Solubilizer (e.g. Glycerides of coconut725oil; Capmul ® MCM)Dispersant (e.g. lauroglycol)300Dispersant (polyoxyl 40 hyd...

example 2

one Undecanoate Composition

[0133]A testosterone undecanoate containing composition was prepared similarly to the method described in Example 1 using the components set forth in Table II.

TABLE IIExample 2Composition mg / capsuleTestosterone Undecanoate225Solubilizer (e.g. Maize oil glyceride)260Dispersant (e.g. lauroglycol)665TU-loading (wt %) of capsule fill ~19.6%

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Abstract

The present disclosure is drawn to pharmaceutical compositions and oral dosage capsules containing testosterone undecanoate, as well as related methods. The capsule includes a capsule shell and a capsule fill. The capsule fill can include a solubilizer and about 14 wt % to about 35 wt % testosterone undecanoate based on the total capsule fill. The oral dosage capsule is such that when a single oral administration to a male subject of one or more capsules with a total testosterone undecanoate daily dose of about 350 mg to about 650 mg it provides a ratio of serum testosterone Cmax to serum testosterone Cave of about 2.7 or less. In yet another embodiment, a method for providing a serum concentration of testosterone within a target serum testosterone concentration Cave range for a male subject is provided.

Description

PRIORITY DATA[0001]This application is a continuation-in-part of U.S. patent application Ser. No. 15 / 270,357, filed Sep. 20, 2016 which is a continuation U.S. Ser. No. 14 / 952,796, filed Nov. 25, 2015 (now U.S. Pat. No. 9,480,690, issued Nov. 1, 2016) which is a continuation of U.S. Ser. No. 14 / 801,674, filed Jul. 16, 2015, which is a continuation of Ser. No. 14 / 691,229, filed Apr. 20, 2015 (now U.S. Pat. No. 9,205,057, issued Dec. 8, 2015) which is a continuation of U.S. Ser. No. 13 / 485,807 filed May 31, 2012 (now U.S. Pat. No. 9,034,858, issued May 19, 2015) which is a continuation-in-part of U.S. Ser. No. 12 / 957,206, filed on Nov. 30, 2010 and of Patent Cooperation Treaty Application Serial No. PCT / US2011 / 62538, filed on Nov. 30, 2011, each of which is incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention relates to testosterone undecanoate containing pharmaceutical compositions and oral dosage capsules as well as associated methods. Accordingly, this ...

Claims

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Application Information

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IPC IPC(8): A61K31/568A61K9/48A61K47/22A61K47/44A61K9/00G01N33/74A61K47/12
CPCA61K31/568A61K9/4875A61K9/4858A61K47/22A61K47/44A61K9/0053G01N33/743A61K47/12G01N2800/52
Inventor GILIYAR, CHANDRASHEKARCHICKMATH, BASAWARAJCHIDAMBARAM, NACHIAPPANPATEL, MAHESH V.VENKATESHWARAN, SRINIVANSAN
Owner LIPOCINE
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