IP Library Granted Patent US 11,517,521
Granted Patent B2
US 11,517,521 · App. 16/002,199 · Granted Dec 6, 2022

Abuse deterrent immediate release formulations comprising non-cellulose polysaccharides

Inventors: Alex Micka (Hazelwood, MO); Kai Feng (Hazelwood, MO); Tsz Chung Lai (Hazelwood, MO); Jonathan Gaik (Hazelwood, MO)
Assignee: SpecGX LLC
A61K9/0007A61K9/205A61K9/2009A61K9/2013A61K9/2031A61K9/2054A61K9/2095A61K9/2893A61K31/485A61K45/06
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Quick Facts
Patent No.
US 11,517,521
App. No.
16/002,199
Granted
Dec 6, 2022
Kind
B2
Abstract

The present disclosure provides pharmaceutical compositions that provide immediate release of active ingredients and have abuse deterrent properties. In particular, the pharmaceutical compositions comprise at least one pharmaceutically active ingredient, at least one non-cellulose polysaccharide, at least one hydrophilic gelling polymer, and an effervescent system.

Claims (12)

1. A process for preparing a solid dosage form, the process comprising:

(a) blending at least one active pharmaceutical ingredient (API) or pharmaceutically acceptable salt thereof, about 10% w/w to about 25% w/w of at least one natural gum comprising glucomannan, about 25% w/w to about 35% w/w of a combination of hydrophilic gelling polymers comprising (i) at least one cellulose ether, (ii) a polyethylene oxide having an average molecular weight of about 100,000, and (iii) a polyethylene oxide having an average molecular weight of about 4,000,000, and about 40% w/w to about 50% w/w of an effervescent system to form a mixture;

(b) compressing the mixture into a solid dosage unit; and

(c) heating the solid dosage unit at a temperature from about 50° C. to less than about 90° C. for 1 to 3 hours to form the solid dosage form;

wherein the solid dosage form deters abuse and provides immediate release of the at least one API.

2. The process of claim 1 , wherein the at least one API is an opioid or a combination of an opioid and a non-opioid analgesic, and the opioid is oxycodone, oxymorphone, hydrocodone, hydromorphone, codeine, or morphine.

3. The process of claim 1 , wherein the at least one natural gum comprising glucomannan further comprises xanthan gum.

4. The process of claim 1 , wherein the at least one cellulose ether is hydroxypropylmethylcellulose, hydroxypropylcellulose, sodium carboxymethylcellulose, or a combination thereof.

5. The process of claim 1 , wherein the effervescent system comprises a) an acid component chosen from an organic acid, an inorganic acid, or a combination thereof, and b) a base component chosen from an alkali metal bicarbonate, an alkaline earth metal bicarbonate, an alkali metal carbonate, an organic carbonate, or a combination thereof.

6. The process of claim 1 , wherein the mixture at step (a) further comprises a lubricant, and the lubricant is present in an amount of less than about 1% by weight of the solid dosage form.

7. The process of claim 1 , further comprising applying a film coating to the solid dosage unit before step (c) or applying a film coating to the solid dosage form after step (c).

8. The process of claim 1 , wherein the solid dosage form is a tablet, compact, pellet, caplet, or pill.

Assignments (11)
RELEASE OF SECURITY INTEREST Recorded Aug 14, 2025
From: ACQUIOM AGENCY SERVICES LLC
To: MALLINCKRODT ENTERPRISES LLC; MALLINCKRODT LLC; MALLINCKRODT PHARMA IP TRADING UNLIMITED COMPANY; MALLINCKRODT PHARMACEUTICALS IRELAND LIMITED; OCERA THERAPEUTICS LLC; SPECGX LLC; STRATATECH CORPORATION; SUCAMPO PHARMA AMERICAS LLC; VTESSE LLC
Reel/Frame 072324/0740 →
INTELLECTUAL PROPERTY SECURITY AGREEMENT Recorded Jul 31, 2025
From: SPECGX LLC
To: WILMINGTON SAVINGS FUND SOCIETY, FSB, AS COLLATERAL AGENT
Reel/Frame 072313/0063 →
RELEASE OF PATENT SECURITY INTERESTS RECORDED AT REEL 049823, FRAME 0233 Recorded Nov 16, 2023
From: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
To: MALLINCKRODT INTERNATIONAL FINANCE S.A.; MALLINCKRODT CB LLC; MALLINCKRODT FINANCE GMBH; MALLINCKRODT US HOLDINGS LLC (F/K/A MALLINCKRODT US HOLDINGS INC.); MALLINCKRODT CARRIBEAN, INC.; MALLINCKRODT US POOL LLC; MNK 2011 LLC (F/K/A MALLINCKRODT INC.); LUDLOW LLC (F/K/A LUDLOW CORPORATION); CNS THERAPEUTICS, INC.; MALLINCKRODT ENTERPRISES HOLDINGS LLC (F/K/A MALLINCKRODT ENTERPRISES HOLDINGS, INC.); MALLINCKRODT ENTERPRISES LLC; MALLINCKRODT LLC; LAFAYETTE PHARMACEUTICALS LLC; LIEBEL-FLARSHEIM COMPANY LLC; MALLINCKRODT BRAND PHARMACEUTICALS LLC (F/K/A MALLINCKRODT BRAND PHARMACEUTICALS, INC.); MALLINCKRODT VETERINARY, INC.; MALLINCKRODT US HOLDINGS LLC; IMC EXPLORATION COMPANY; MEH, INC.; MALLINCKRODT HOSPITAL PRODUCTS IP UNLIMITED COMPANY (F/K/A MALLINCKRODT HOSPITAL PRODUCTS IP LIMITED); MALLINCKRODT ARD IP UNLIMITED COMPANY (F/K/A MALLINCKRODT ARD IP LIMITED); OCERA THERAPEUTICS LLC (F/K/A OCERA THERAPEUTICS, INC.); SPECGX LLC; STRATATECH CORPORATION; SUCAMPO PHARMA AMERICAS LLC; VTESSE LLC (F/K/A VTESSE INC.); MALLINCKRODT PHARMACEUTICALS IRELAND LIMITED; MALLINCKRODT PHARMA IP TRADING UNLIMITED COMPANY (F/K/A MALLINCKRODT PHARMA IP TRADING D.A.C.); INFACARE PHARMACEUTICAL CORPORATION; ST SHARED SERVICES LLC; THERAKOS, INC.; IKARIA THERAPEUTICS LLC; INO THERAPEUTICS LLC
Reel/Frame 065609/0629 →
RELEASE OF PATENT SECURITY INTERESTS RECORDED AT REEL 060434, FRAME 0536 Recorded Nov 16, 2023
From: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
To: MALLINCKRODT ENTERPRISES LLC; MALLINCKRODT LLC; SPECGX LLC; OCERA THERAPEUTICS, INC.; STRATATECH CORPORATION; VTESSE LLC; MALLINCKRODT PHARMA IP TRADING UNLIMITED COMPANY; MALLINCKRODT PHARMACEUTICALS IRELAND LIMITED; SUCAMPO PHARMA AMERICAS LLC
Reel/Frame 065601/0347 →
SECURITY INTEREST Recorded Nov 15, 2023
From: MALLINCKRODT ENTERPRISES LLC; MALLINCKRODT LLC; MALLINCKRODT PHARMA IP TRADING UNLIMITED COMPANY; MALLINCKRODT PHARMACEUTICALS IRELAND LIMITED; OCERA THERAPEUTICS LLC; SPECGX LLC; STRATATECH CORPORATION; SUCAMPO PHARMA AMERICAS LLC; VTESSE LLC
To: ACQUIOM AGENCY SERVICES LLC
Reel/Frame 065595/0376 →
RELEASE OF SECURITY INTERESTS IN PATENTS AT REEL 060389/FRAME 0913 Recorded Nov 15, 2023
From: WILMINGTON SAVINGS FUND SOCIETY, FSB, AS SECOND LIEN COLLATERAL AGENT
To: OCERA THERAPEUTICS LLC (F/K/A OCERA THERAPEUTICS, INC.); MALLINCKRODT LLC; MALLINCKRODT ENTERPRISES LLC; MALLINCKRODT PHARMA IP TRADING UNLIMITED COMPANY; SPECGX LLC; STRATATECH CORPORATION; SUCAMPO PHARMA AMERICAS LLC; VTESSE LLC; MALLINCKRODT PHARMACEUTICALS IRELAND LIMITED
Reel/Frame 065583/0465 →
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY Recorded Jun 22, 2022
From: MALLINCKRODT ENTERPRISES LLC; MALLINCKRODT LLC; SPECGX LLC; OCERA THERAPEUTICS, INC.; STRATATECH CORPORATION; SUCAMPO PHARMA AMERICAS LLC; VTESSE LLC; MALLINCKRODT PHARMACEUTICALS IRELAND LIMITED; MALLINCKRODT PHARMA IP TRADING UNLIMITED COMPANY
To: DEUTSCHE BANK AG NEW YORK BRANCH
Reel/Frame 060434/0536 →
SECURITY INTEREST Recorded Jun 17, 2022
From: MALLINCKRODT ENTERPRISES LLC; MALLINCKRODT LLC; SPECGX LLC; OCERA THERAPEUTICS, INC.; STRATATECH CORPORATION; SUCAMPO PHARMA AMERICAS LLC; VTESSE LLC; MALLINCKRODT PHARMACEUTICALS IRELAND LIMITED
To: WILMINGTON SAVINGS FUND SOCIETY, FSB, AS SECOND LIEN COLLATERAL AGENT
Reel/Frame 060389/0913 →
RELEASE OF SECURITY INTEREST Recorded Jun 17, 2022
From: WILMINGTON SAVINGS FUND SOCIETY, FSB, AS SECOND LIEN COLLATERAL AGENT
To: OCERA THERAPEUTICS, INC.; MALLINCKRODT LLC; MALLINCKRODT ARD IP UNLIMITED COMPANY (F/K/A MALLINCKRODT ARD IP LIMITED); MALLINCKRODT HOSPITAL PRODUCTS IP UNLIMITED COMPANY (F/K/A MALLINCKRODT HOSPITAL PRODUCTS IP LIMITED); MALLINCKRODT PHARMA IP TRADING UNLIMITED COMPANY (F/K/A MALLINCKRODT PHARMA IP TRADING DESIGNATED ACTIVITY COMPANY); SPECGX LLC; STRATATECH CORPORATION; VTESSE LLC (F/K/A VTESSE INC.)
Reel/Frame 060389/0839 →
SECURITY INTEREST Recorded Dec 10, 2019
From: MALLINCKRODT ARD IP LIMITED; MALLINCKRODT HOSPITAL PRODUCTS IP LIMITED; SPECGX LLC; OCERA THERAPEUTICS, INC.; MALLINCKRODT PHARMA IP TRADING DESIGNATED ACTIVITY COMPANY; STRATATECH CORPORATION; VTESSE INC.; MALLINCKRODT LLC
To: WILMINGTON SAVINGS FUND SOCIETY, FSB, AS SECOND LIEN COLLATERAL AGENT
Reel/Frame 051256/0829 →
NOTICE OF GRANT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY Recorded Jul 22, 2019
From: SPECGX LLC
To: DEUTSCHE BANK AG NEW YORK BRANCH, AS COLLATERAL AGENT
Reel/Frame 049823/0233 →