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This is a multi-centre, long term, double blind, clinical protocol for NanaBis™ as a monotherapy treatment in participants 18-75 years of age with cancer related pain.
Full description
This trial uses an alternative method to demonstrate the analgesic efficacy of NanaBis™ as a monotherapy in cancer participants. Proving analgesic efficacy requires demonstrating that (i) the analgesic is significantly better than placebo and (ii) that the magnitude of the improvement is clinically important. The latter is standardly done by measuring the change in pain levels from a baseline (no analgesia) to the end of a treatment period. A 30% decrease in the Numerical Pain Rating Scale (NPRS) has been correlated with participants reporting a moderate improvement in their pain and this was adopted as the standard method of demonstrating a clinically important magnitude of improvement. In this strategy, the measure of analgesic efficacy is the proportion of participants in the treatment group whose pain is adequately treated (responders). A responder is defined as a patient who completes the treatment phase with an acceptable level of pain (NPRS ≤ 5) and without requiring excessive amounts of rescue (breakthrough analgesia) medication. Unlimited breakthrough analgesia (Oxycodone) is allowed throughout the study; however, excessive use will result in discontinuation. Comparison of the proportion of responders in the NanaBis™ arm and placebo arms will determine if NanaBis™ is significantly better than placebo. Demonstrating that the proportion of responders in the NanaBis™ arm is non-inferior to the Oxycodone controlled release (CR) comparator arm will determine if the magnitude of improvement (provided by NanaBis™) is clinically important because Oxycodone CR has been established as the benchmark analgesic that provides a clinically important effect.
Enrollment
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Inclusion criteria
At Screening Phase
Participants must fulfil all of the following criteria:
Prospective male and female participants that are:
Metastatic bone pain from a cancer diagnosis is the only major cause of pain.
Documented proof (imaging) confirming the Metastatic Bone Disease at the current site of pain and that there has no been treatment since diagnosis
Meet International Classification of Diseases, Tenth Revision (ICD-10) codes for pain management criteria (i.e., bone cancer pain)
During the screening period, the participant is on stable opioid pain management and pain severity (NPRS) ≤ 8 with a maximum variation of ± 1
Pain Detect score > 18
Participant willing and able to provide informed consent and follow study procedures
Patient deemed tolerable to Oxycodone and NanaBis™ determined by medical history of allergies to cannabinoids or opioids
Patient must not be a participant in a clinical trial or study.
Exclusion criteria
At Screening Phase
Participants will be excluded if they meet any of the following criteria that include:
History of epilepsy or recurrent seizures
Moderate to severe medical conditions such as
If participants have been diagnosed with a current substance abuse disorder
Women who are pregnant, lactating or planning to become pregnant
Identified concerns by the nursing / medical team relevant to the safe storage of medications (i.e., NanaBis™ or standard medical therapy)
Participants who may not be available for follow up (i.e., planned or expected travel or other)
Participants plan to undergo any treatment that will substantially reduce the burden of disease (and therefore bone pain) during the screening, titration or maintenance phase of the clinical trial such as radiotherapy or cytotoxic chemotherapy
Participants who are unable to withhold all analgesia (apart from which is part of this trial) during the titration and maintenance phase of the study, including bisphosphonates, or are currently exceeding equivalence of 70mg BD Oxycodone CR. Medications such as bisphosphonates may be coordinated so they are given either side of the excluded period that covers the titration and maintenance phases
Participants will NOT be excluded if they are being treated with maintenance pharmacotherapy to prevent progression of disease such as steroids and hormone therapy, which may be continued during the trial at a stable dose
Participant will be excluded if they are participating in any other clinical trial or study.
Primary purpose
Allocation
Interventional model
Masking
360 participants in 3 patient groups, including a placebo group
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Central trial contact
Dr. Michael Lyon; Prof. Luis Vitetta
Data sourced from clinicaltrials.gov
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