Sequestered antagonist formulations

An oral dosage form comprising (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the mean Cmax of the antagonist after single dose oral administration of an immediate release reference product containing an equivalent amount of antagonist to the mean Cmax of antagonist after single dose oral administration of an intact dosage form is at least 2:1, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.

An oral dosage form comprising (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the mean AUCt of the antagonist after single dose oral administration of the dosage form after tampering to the mean AUCt of antagonist after single dose oral administration of an intact dosage form is at least 1.5:1, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.

An oral dosage form comprising (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the mean AUCt of the antagonist after single dose oral administration of an immediate release reference product containing an equivalent amount of antagonist to the mean AUCt of antagonist after single dose oral administration of an intact dosage form is at least 1.6:1, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.

An oral dosage form comprising (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the mean Tmax of the antagonist after single dose oral administration of the intact dosage form to the mean Tmax of antagonist after single dose oral administration of a dosage form after tampering is at least 1.5:1, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.

An oral dosage form comprising (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the mean Tmax of the antagonist after single dose oral administration of the intact dosage form to the mean Tmax of antagonist after single dose oral administration of an immediate release reference standard is at least 2, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.

An oral dosage form comprising (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the Cmax of the antagonist after single dose oral administration of the dosage form to an individual patient after tampering to the Cmax of antagonist after single dose oral administration to an individual patient of an intact dosage form is at least 1.5:1, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.

An oral dosage form comprising (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the Cmax of the antagonist after single dose oral administration to an individual patient of an immediate release reference product containing an equivalent amount of antagonist to the Cmax of antagonist after single dose oral administration to an individual patient of an intact dosage form is at least 2:1, wherein all antagonist in the dosage form is in said particles of the sequestered opioid antagonist.

An oral dosage form comprising (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the AUCt of the antagonist after single dose oral administration to an individual patient of the dosage form after tampering to the AUCt of antagonist after single dose oral administration of an intact dosage form to an individual patient is at least 1.5:1, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.

An oral dosage form comprising (i) particles an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the AUCt of the antagonist after single dose oral administration to an individual patient of an immediate release reference product containing an equivalent amount of antagonist to the AUCt of antagonist after single dose oral administration to an individual patient of an intact dosage form is at least 1.6:1, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.

An oral dosage form comprising (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,

• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the Tmax of the antagonist after single dose oral administration to an individual patient of the intact dosage form to the Tmax of antagonist after single dose oral administration to an individual patient of an dosage form after tampering is at least 1.5:1, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.

An oral dosage form comprising:

• (i) particles of an opioid agonist in releasable form and (ii) particles of a sequestered opioid antagonist which is substantially not released when the dosage form is administered intact,
• the particles of the sequestered opioid antagonist comprising (a) inert beads coated with the antagonist and (b) a sequestering material, such that the ratio of the Tmax of the antagonist after single dose oral administration to an individual patient of the intact dosage form to the Tmax of antagonist after single dose oral administration to an individual patient of an immediate release reference standard is at least 2:1, wherein all antagonist in the dosage form is contained within said particles of the sequestered opioid antagonist.