The invention relates to a composition comprising buprenorphine and a μ opioid receptor antagonist, wherein the composition is characterized by an Agonist Antagonist Activity Index (AAnAI) of between about 0.7 and about 2.2; wherein;
AAnAI
=
[
c
ma
x
(
BUP
)
/
EC
50
]
[
c
ma
x
(
ANTAGONIST
)
/
IC
50
]
.
本发明涉及一种由丁丙诺啡和μ阿片受体拮抗剂组成的组合物,其中该组合物的特征在于其激动剂拮抗剂活性指数(
AAnAI)在约0.7和约2.2之间;其中;
AAnAI
=
[
c
ma
x
(
B
UP
)
/
欧共体
50
]
[
c
ma
x
(
副标题
)
/
集成电路
50
]
.