| Inclusion Criteria: | 1) EITHER The subject was previously enrolled in Studies CP043/06/FCNS or CP044/06/FCNS and: a. Successfully completed the study (including the return of any remaining drug supplies and successful completion of the subject diaries). b. Continues to experience episodes of breakthrough pain that were adequately controlled with a designated dose of Nasalfent in Studies CP043/06/FCNS or CP044/06/FCNS.
2) (Cont#1):c. The subject's medical condition is such that the subject continues to meet the other inclusion/exclusion criteria listed below. OR The subject has not participated in Studies CP043/06/FCNS or CP044/06/FCNS and wishes to participate in this study (CP045/06/FCNS).
3) Subjects who are able and willing to provide written informed consent.
4) Male or female subjects, 18 years of age and older.
5) If female, and of childbearing potential (not surgically sterile or </=1 year after the onset of amenorrhea due to menopause), must (a) have a negative serum pregnancy test, (b) not be lactating, and (c) agree to practice a reliable form of contraception or abstinence during the study.
6) Subjects who have a histologically documented diagnosis of a malignant solid tumor or a hematological malignancy causing cancer-related pain.
7) Subjects who are taking at least 60 mg oral morphine or equivalent for at least 1 week for cancer-related pain as regular, 24-hour medication for their underlying persistent cancer pain.
8) Subjects who are experiencing, on average, but not necessarily every day, 1 to 4 episodes of BTCP per day that are adequately controlled with a stable dose of standard rescue medication, typically a fast-acting opioid, of which the subject should have an adequate supply throughout the study. Breakthrough pain is defined as a transitory flare of moderate to severe pain (on a 4-point scale from 0 to 3 [none, mild,
9) (Cont#8):moderate, severe] as defined by the Breakthrough Pain Questionnaire that occurs on a background of persistent pain controlled to moderate intensity or less by the opioid regimen. If the subject has more than 1 type of breakthrough pain, or has breakthrough pain in more than 1 location, only 1 of the pains will be identified as a "target" breakthrough pain.
10) Subjects who, in the opinion of the investigator, are willing and able (personally or with the help of a caregiver) to a. Evaluate and record pain intensity and pain relief. b. Assess medication performance at specific times after dosing. c. Record AEs. d. Record each instance of the use of study drug and standard rescue medication in a subject diary for the duration of the study.
11) Subjects with an Eastern Cooperative Oncology Group (ECOG) score of </=2 and a life expectancy which, in the opinion of the investigator, will allow them to participate for the duration of the study. |