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Comparing Acute Pain Management Protocols for Patients With Sickle Cell Disease

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Duke University

Status and phase

Completed
Phase 4

Conditions

Sickle Cell Disease

Treatments

Drug: Hydromorphone (Patient Specific dosing)
Drug: Morphine Sulfate (Standardized, weight-based dosing)
Drug: Hydromorphone (Standardized, weight-based dosing)
Drug: Morphine Sulfate (Patient Specific dosing)

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT02222246
R34 RHL121224A (Other Grant/Funding Number)
Pro00054047

Details and patient eligibility

About

The goal of this pilot study is to improve emergency department (ED) pain management for adults with sickle cell disease. Sickle cell disease (SCD) is the most common genetic disorder in the United States, and occurs primarily among African Americans. Management of painful episodes associated with SCD, referred to as vaso-occlusive crises (VOC), is the most common reason for SCD patients to visit the ED. Currently, there is no standard approach to managing VOC pain in the ED that is widely accepted and used, and pain management for vaso-occlusive crisis in persons with SCD is very different between providers and not based on research. Many times, patients who come to the ED with sickle cell pain feel that they do not receive adequate pain control. If EDs could provide efficient, effective, safe, patient-centered analgesic management, it may be possible to improve pain management for adults with SCD experiencing a VOC. Guidelines for treating vaso-occlusive crises caused by sickle cell disease will soon be published by the National Heart, Lung and Blood Institute of the National Institutes of Health. These guidelines recommend patient-specific pain treatment protocols or a standardized pain management protocol for SCD when a patient does not already have a pain treatment protocol designed for them. The purpose of this pilot study is to compare these two ways to treat vaso-occlusive pain in the ED for adults with sickle cell disease, and to determine if a large randomized controlled trial is feasible and required.

Full description

In August 2012 the National Heart, Lung, and Blood Institute (NHBLI) released for public comment their "Management of Sickle Cell Disease" evidence-based recommendations that were developed with consensus panel expertise. Because of a lack of empirical data, most of the recommendations specific to vaso-occlusive crises (VOC) were based on consensus panel expertise. Recommendations included the use of a patient-specific protocol (specific agents and doses for an individual patient). While many attempts have been made to implement patient-specific analgesic protocols for use in emergency departments (EDs), anecdotally, these have been difficult to implement and maintain over time; a practical approach to development, implementation, and dissemination has not been determined. As patient-specific protocols are not available in most EDs, the guidelines go on to recommend a SCD specific standard analgesic protocol. Both of these recommended protocols provide more aggressive VOC pain management than a typical generic ED pain protocol. However, there is an urgent need to rigorously test the NHLBI recommendations and compare the two approaches for managing VOC in the ED. A large randomized clinical trial (RCT) is essential to test these protocols.

This pilot project will compare these two different, evidence-based, protocols which include opioid pain medicines routinely used as standard of care to treat VOC pain in the ED for individuals with SCD, and collect the data necessary to determine if a large RCT is feasible and required. This study is novel in that it will design an approach to develop and implement patient-specific and standard analgesic VOC protocols for use in the ED, will develop a bundle of information technology and education interventions to enhance protocol adoption for the pilot RCT, and also be the first RCT conducted in an ED setting to compare two different ED pain management protocols for SCD patients who experience a VOC.

The study consists of 3 aims:

Develop and implement patient specific VOC protocols for patients randomized to this arm, Conduct a pilot RCT to determine the necessary sample size needed for a large RCT to compare the difference in reduction in pain score from ED arrival to discharge, hospitalization, clinical and safety outcomes, between subjects assigned randomly to either a standard SCD analgesic protocol or to a patient-specific analgesic protocol, Measure feasibility of methods and acceptability of and fidelity to protocols by evaluating optimal recruitment and retention strategies, and assessing ED providers perceptions of facilitators and barriers to protocol use and protocol adherence.

The soon to be published NHBLI guidelines for managing SCD will be used as the standard protocol with the modification of basing the initial dose of pain medicine on patient weight. The standard protocol will recommend re-assessment, and re-dosing with possible dose escalation, every 20-30 minutes. Repeat doses for patients randomized to the weight-based protocol, when necessary, will be maintained or provided at 1 dose level increase (no more than 25%) above the initial dose. For patients randomized to the patient -specific protocol, the SCD provider has experience with the individual patient and is best qualified to make dosing and frequency recommendations based upon doses required during past ED and hospital visits for treatment of VOC, and on daily opioid use if applicable. There is no set maximum dose for patients randomized to the patient-specific protocols.

Both the patient-specific and standard protocols will be available in the ED via a patient's electronic medical record. Upon ED arrival, providers will retrieve the patient's study protocol (patient-specific, or standard) which will include the starting agents, and doses, the subsequent analgesic recommendations, and order medications according to the pre-determined protocol.

The study will be conducted at the emergency departments of the University of Cincinnati Medical Center and the Mt. Sinai Hospital in New York. Patients will be enrolled in the study for up to 12-months, but may contribute no more that five different ED visits for VOC pain control during enrollment to allow for a larger number of different patients.

Study outcomes will be compared between ED visits of patients randomized to a patient-specific vs. a standard SCD protocol. The primary outcome will be the difference in pain score from ED arrival to discharge, up to 6 hours, as measured using a visual analogue scale. The trajectories of average pain scores from immediately prior to administration of 1st analgesic dose to discharge by 30 minute increments for each treatment group will also be calculated.

Enrollment

106 patients

Sex

All

Ages

21+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Adult SCD patients with genotypes SS, SC, SB+, or SB-

Exclusion criteria

  • Patients with sickle cell trait
  • Allergic to both morphine sulfate and hydromorphone,
  • Patients who have an explicit care plan that states they cannot be admitted to the hospital for pain control,
  • Non-English speaking,
  • Patients admitted for a medical complication,
  • Record of >24 ED visits in the prior 12 months,
  • Children

Trial design

Primary purpose

Supportive Care

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

106 participants in 2 patient groups

Patient Specific dose of Morphine Sulfate or Hydromorphone
Experimental group
Description:
A patient-specific analgesic protocol for use in the ED to manage VOC crises. Following randomization, a patient's healthcare team will develop a specific analgesic protocol for use during future ED visits for VOC occurring during the study period (up to 5 visits). Treatment protocols will include either morphine sulfate or hydromorphone (delivered intravenous or sub-cutaneous). Dosage and frequency will be based on a patient's prior treatment history.
Treatment:
Drug: Morphine Sulfate (Patient Specific dosing)
Drug: Hydromorphone (Patient Specific dosing)
Standard dose of Morphine Sulfate or Hydromorphone
Active Comparator group
Description:
A standardized analgesic protocol (based on recent NHLBI recommendations) for use in the ED to manage VOC crises. Treatment protocol will include either morphine sulfate or hydromorphone (delivered intravenous or sub-cutaneous), with dosage based on weight. Repeat doses of opioids may be administered every 20-30 minutes as needed, although dosage will be maintained or provided at no more than 25% above the initial dose.
Treatment:
Drug: Hydromorphone (Standardized, weight-based dosing)
Drug: Morphine Sulfate (Standardized, weight-based dosing)

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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