4-weekly Versus 12-weekly Administration of Bone-targeted Agents in

Status Completed

Clinical Trial Summary

The current Rethinking Clinical Trials (REaCT) trial will compare two schedules(12- vs. 4-weekly) of bone-targeting agents (BTAs) to evaluate quality of life, pain and skeletal events within the Canadian Health Care System. This study will use an "integrated consent model" that involves "oral consent" rather than a written informed consent writing process as the study is comparing standard schedules and not a new administration schedule.

Clinical Trial Description

Bone metastases are common in patients with advanced breast and prostate cancers. Skeletal metastases can be associated with reduced Quality of Life (QoL), pain and skeletal-related events (SREs) (defined as pathological fractures, surgery/radiotherapy to bone, spinal cord compression and hypercalcaemia). Maintaining QoL while avoiding or delaying SREs are the main goals of therapy. Patients therefore receive bone-targeted agents (e.g. pamidronate, zoledronate and denosumab) which are typically given every 4 weeks. However, this 4 week dosing is based on convenience so the treatment could be given concurrently with chemotherapy. The half-life of these drugs in the bone is many months or even years. Hence studies have been performed evaluating 12-weekly therapy. These have confirmed similar palliative outcomes in the 4 vs 12-weekly groups for both breast and prostate cancer patients. However, there remains clinical equipoise about which dosing interval physicians prescribe. The current trial will compare these two schedules of bone-targeting agents (12- vs. 4-weekly) to evaluate quality of life, pain and skeletal events within the Canadian Health Care System. This study will use an "integrated consent model" that involves "oral consent" rather than a written informed consent writing process as the study is comparing standard schedules and not a new administration schedule. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02721433
Study type	Interventional
Source	Ottawa Hospital Research Institute
Contact
Status	Completed
Phase	Phase 4
Start date	August 2016
Completion date	April 2020

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

4-weekly Versus 12-weekly Administration of Bone-targeted Agents in Patients With Bone Metastases — REaCT-BTA

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms