Effectiveness and Tolerance of Inhaled Fentanyl Aerosol (25µg/Dose) in Chinese Patients With Breakthrough Cancer Pain
Breakthrough Cancer Pain
About this trial
This is an interventional treatment trial for Breakthrough Cancer Pain
Eligibility Criteria
Inclusion Criteria:
- Age of 18 to 75years, inclusive.
- Subjects must be diagnosed with cancer.
- Subjects must be opioid-tolerant : taking oral morphine more than 60mg and less than 1000mg,or taking other equivalent potency opioids of analgesic doses in one weeks or longer.
- Subjects must experience persistent pain associated with cancer, and the pain score assessed by NRS should be <4 within 24hour before screening.
- The breakthrough cancer pain score should be ≥4 assessed by NRS.
- In the past 7 days, the subject must experience an average of 1 to 4 episodes of breakthrough cancer pain per day, and use 5 mg immediate release morphine at least or equivalent short-acting opioids (e.g., oxycodone, hydrocodone ketones or codeine) to control this pain.
- ECOG status of 0 to 2.
- Life expectancy should be longer than 3 months.
- Subjects must consent to take adequate contraception within the study and 1 months after the study. Women of childbearing potential must show negative in the pregnancy test before dosing.
- The subject must be able to understand the requirements of the study and provide a written informed consent.
Exclusion Criteria:
- Allergies, or a history of drug allergies to fentanyl.
- On intrathecal or epidural opioids.
- HGB < 80 g/L, NEUT ≤1.5 × l09/L, PLT ≤50 × l09/L;ALT and AST higher than 3 times of ULN;total bilirubin and Cr higher than 1.5 times of ULN;PaO2 <95%;FEV1/FVC<70% and FEV1 accounted for less than 80% of the predicted value.
- Any uncontrolled disease (e.g., severe mental, neurological, infectious, cardiovascular, respiratory and other systemic diseases).
- Hepatitis B surface antigen and hepatitis C surface antibody positive. Human T Lymphotropic Virus Type I Positive. HIV positive.
- Gastrointestinal bleeding or diarrhea presently.
- Requirement of continuous paracentesis.
- Tumor infiltration to central nervous system.
- Subjects are not able to slef evaluate pain intensity using NRS
- Receive surgery in past 3 weeks.
- Treatment with any form of radiotherapy winth 1week prior to study entry that could alter pain or response to pain medication.
- Taking monoamine oxidase inhibitors(MAOIs), CYP3A4 inhibitors or inducers within 14 days of the screening
- Participated in other clinical trials in past 1months.
- Pregnancy and breast-feeding women, women of childbearing age ready to conceive, and pregnancy test positive.
- Other conditions that may affect the informed consent, compliance with the protocol, study results and safety of the subject.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Experimental
Experimental
Inhaled fentanyl aerosol
Placebo
Participants in the stage I were randomized to 6 BTP episodes, in which 4 BTP episodes were treated with inhale fentanyl aerosol (with a starting dose of 25 µg every 4 minutes until adequate pain alleviation. The maximum doses are 6×25 µg) and 2 BTP episodes with placebo(0 µg every 4 minutes until adequate pain alleviation. The maximum doses are 6×0µg) in a random sequence.
Participants in the stage I were randomized to 6 BTP episodes, in which 2 BTP episodes were treated with placebo (0 µg every 4 minutes until adequate pain alleviation. The maximum doses are 6×0µg) in a random sequence.