Compositions and methods for treating middle-of-the-night insomnia
First Claim
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1. A pharmaceutical composition for treating insomnia comprising zolpidem in an amount less than 5 mg and a binary buffer.
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Abstract
The present invention provides compositions and methods for treating middle-of-the-night insomnia without residual sedative effects upon awakening by administering low doses (about 5 mg or less) of zolpidem or a salt thereof.
111 Citations
45 Claims
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1. A pharmaceutical composition for treating insomnia comprising zolpidem in an amount less than 5 mg and a binary buffer.
- 2. A pharmaceutical composition for treating insomnia comprising zolpidem in an amount less than 5 mg and a binary buffer, wherein the composition is formulated for delivery of zolpidem across the oral mucosa and the binary buffer produces a saliva pH of at least 8.5, irrespective of the starting saliva pH.
- 4. A pharmaceutical composition for delivery across the oral mucosa for treating insomnia comprising zolpidem in an amount less than 5 mg and a buffer.
- 12. A pharmaceutical composition comprising a dose of zolpidem hemitartrate in an amount of less than 5 mg and a binary buffer system capable of raising the pH of a subject'"'"'s saliva to a pH greater than about 8.5, irrespective of the starting pH of saliva, wherein the composition is formulated for delivery of zolpidem across the subject'"'"'s oral mucosa.
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17. A method of treating insomnia in a subject, said method comprising:
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administering a pharmaceutical composition comprising zolpidem in an amount less than 5 mg and a buffer, to a subject who awakens from sleep and desires to resume sleep for less than 5 hours, wherein the pharmaceutical composition provides delivery of zolpidem across the subject'"'"'s oral mucosa, and wherein a blood level of zolpidem is achieved in the subject of between about 25 ng/ml and about 50 ng/ml within about 20 minutes of administration. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25)
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26. A method of treating insomnia, said method comprising:
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administering a pharmaceutical composition comprising zolpidem in an amount less than 5 mg and a binary buffer, to a subject who awakens from sleep and desires to resume sleep for less than 5 hours, wherein the pharmaceutical composition provides delivery of zolpidem across the subject'"'"'s oral mucosa, and wherein the binary buffer raises the pH of saliva in the subject'"'"'s mouth to a pH greater than about 9.0. - View Dependent Claims (27, 28, 29, 30, 31)
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32. A method of treating insomnia, said method comprising the steps of:
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providing a pharmaceutical composition comprising zolpidem in an amount less than 5 mg and a buffer to a patient who awakens from sleep and desires to resume sleep for less than 5 hours; and
administering the pharmaceutical composition to the patient for delivery of the zolpidem across the patient'"'"'s oral mucosa, wherein a blood level of zolpidem in the patient is between about 25 ng/ml and about 50 ng/ml within about 20 minutes of administration. - View Dependent Claims (33, 34, 35, 36, 37, 38)
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39. A method of treating insomnia, said method comprising the steps of:
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providing a pharmaceutical composition comprising zolpidem in an amount less than 5 mg and a binary buffer to a patient who awakens from sleep and desires to resume sleep for less than 5 hours; and
administering the pharmaceutical composition to the patient for delivery of the zolpidem across the patient'"'"'s oral mucosa, wherein the binary buffer raises the pH of saliva in the patient'"'"'s mouth to a pH greater than about 9.0. - View Dependent Claims (40, 41, 42, 43, 44, 45)
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Specification