Controlled release doxycycline
DCFirst Claim
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1. A dosage form, comprising a plurality of modified release doxycycline pellets, wherein each doxycycline pellet comprises:
- doxycycline; and
a controlled release polymer composition disposed over the doxycycline,wherein said dosage form comprises 60, 90, or 120 mg of doxycycline and releases less than about 15% of the doxycycline at pH 1.2, and less than 40% of the doxycycline at pH 4.5 after 60 minutes, measured under USP <
711>
conditions; and
wherein when the amount of doxycycline of said dosage form is 60 mg, after administration of a single dose under fasting conditions to a patient in need thereof, the average Cmax is about 80% to about 125% of about 625-1600 ng/ml;
orwherein when the amount of doxycycline of said dosage form is 90 mg, after administration of a single dose under fasting conditions to a patient in need thereof, the average Cmax is about 80% to about 125% of about 940-2400 ng/ml;
orwherein when the amount of doxycycline of said dosage form is 120 mg, after administration of a single dose under fasting conditions to a patient in need thereof, the average Cmax is about 80% to about 125% of about 1250-3200 ng/ml.
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Abstract
The disclosure provides controlled release compositions comprising tetracyclines and in some embodiments, doxycycline. The controlled release doxycycline compositions of the invention exhibit a superior dissolution profile and provide reduce side effects such as nausea and irritation.
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26 Claims
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1. A dosage form, comprising a plurality of modified release doxycycline pellets, wherein each doxycycline pellet comprises:
-
doxycycline; and a controlled release polymer composition disposed over the doxycycline, wherein said dosage form comprises 60, 90, or 120 mg of doxycycline and releases less than about 15% of the doxycycline at pH 1.2, and less than 40% of the doxycycline at pH 4.5 after 60 minutes, measured under USP <
711>
conditions; andwherein when the amount of doxycycline of said dosage form is 60 mg, after administration of a single dose under fasting conditions to a patient in need thereof, the average Cmax is about 80% to about 125% of about 625-1600 ng/ml; or wherein when the amount of doxycycline of said dosage form is 90 mg, after administration of a single dose under fasting conditions to a patient in need thereof, the average Cmax is about 80% to about 125% of about 940-2400 ng/ml; or wherein when the amount of doxycycline of said dosage form is 120 mg, after administration of a single dose under fasting conditions to a patient in need thereof, the average Cmax is about 80% to about 125% of about 1250-3200 ng/ml. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification