Assessing the Safety of Buprenorphine in People With Sickle Cell Disease

Status Completed

Clinical Trial Summary

This study will assess the safety of changing pain medications (opioids) adult sickle cell patients take to another type of medication therapy (buprenorphine). Patients will be asked questions about their quality of life. Other tools for assessment will also be administered.

Clinical Trial Description

This is a descriptive, pilot study to assess the safety of converting a subset of adult sickle cell patients who are on effective disease modifying therapy (on high dose oral opioids who are unable to wean off opioids) and who continue to have frequent acute visits where parenteral opioids are administered to convert all opioid treatments to buprenorphine. Quality of life will be assessed using the Adult Sickle Cell Quality of life Measurement tool (ASCQ-Me), the Brief Pain Inventory (BPI), two Patient-Reported Outcomes Measurement Information System (PROMIS) surveys (short-form Pain Interference and Physical Function), and frequency of acute pain visits. Buprenorphine is a partial mu-agonist and kappa antagonist and has a high affinity for the mu receptors with an elimination half-life of 28-37 hours for the sublingual administration. The lower risk for misuse, diminished withdrawal symptoms and cravings for opioids as well as the reduced risk of overdose make it an appealing alternative. Recent data on successful conversion for patients with chronic pain show a decrease in pain scores and increase in quality of life measurements after the beginning buprenorphine therapy for more than two months. The first dose will be determined for each patient by a physician to ensure that the dosage of buprenorphine will be appropriate given the patient's current opioid dosage. There is the risk of withdrawal induced vaso-occlusive crisis (VOC). Within 30 days prior to conversion to buprenorphine, a patient will take the ASCQ-Me, BPI, and two PROMIS surveys. Twenty-four hours prior to conversion, the patient will stop all opioid intake. The day of conversion, the patient will take a Clinical Opiate Withdrawal Scale (COWS) survey to determine whether they are in withdrawal. If so, the patient will begin buprenorphine conversion. They will also retake the aforementioned quality of life surveys. The patient will return on days 1, 14, 30, 90, and 180 to be evaluated. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03492099
Study type	Interventional
Source	Johns Hopkins University
Contact
Status	Completed
Phase	Phase 2
Start date	August 1, 2018
Completion date	February 28, 2022

View Details

See also
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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.