Trial Outcomes & Findings for Comparing Individualized vs. Weight Based Protocols to Treat Vaso-Occlusive Episodes in Sickle Cell Disease (NCT NCT03933397)

NCT ID: NCT03933397

Last Updated: 2023-07-03

Results Overview

Pain is measured by having the patient mark pain on a scale of 0 to 100, with 0 being no pain and 100 being the worst pain ever. Pain scores were initially measured using a 0-100 millimeter visual analog scale with higher (closer to 100 being worse); however during the COVID-19 pandemic, one site removed paper forms from the emergency department as an infection control measure. The protocol was amended to add collection of a 0-100 verbal numerical rating scale and sites were ask to obtain both a vision and verbal score if possible collecting the visual score first. For the analysis, the visual score was used if available for the primary outcome. if not available, the verbal score was used.

Recruitment status

TERMINATED

Study phase

PHASE3

Target enrollment

328 participants

Primary outcome timeframe

baseline (bed placement), to disposition decision or a maximum treatment duration of 6 hours, whichever came first

Results posted on

2023-07-03

Participant Flow

Patients were enrolled between August 13, 2019 - May 13 2022 at 6 academic institutions. Institutions selected based on minimum average of two ED (Emergency Department) visits/day by patients with SCD(Sickle Cell Disease) for treatment of VOE (Vaso-occlusive pain events), hematologist willing to randomize patients to the treatment arms, informatics support to post the protocols in electronic health record and infrastructure to support both enrollment of subjects and prospective data collection.

Participants were consented \& randomized in ED, clinic or by phone with the onset of COVID-19. Pain protocols were written based on the randomization arm assigned and uploaded to the Electronic Medical Record for use if the participant presented to the emergency department (ED) for pain related to their sickle cell disease. Patients were evaluated for COVID-19 at the ED visit \& excluded if COVID positive. During the ED visit, baseline date were collected following bed placement of participant.

Participant milestones

Participant milestones
Measure
Patient-Specific Protocol
Patients assigned to this arm will be given pain medicine(s) based on pain medicine(s) they take at home, what was needed during past hospital and emergency department visits to treat pain and doses that have been effective \& safe in the past. Patient-Specific Protocol: Patients assigned to this arm will be given pain medicine(s) based on pain medicine(s) they take at home and what was needed during their past hospital and emergency department visits to treat pain. Medicines include opioids, either morphine or hydromorphone. An outpatient SCD provider team will review patient's medical record to determine: 1) the patient's maximum home opioid dose, and 2) previous ED analgesic medication(s) and doses that have been effective \& safe in the past. The patient's regular hematologist/sickle cell team will write the treatment plans. Medications will be given every 20-30 minutes for up to 6 hours. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Weight-based Protocol
Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Weight-based Protocol: Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Medicines will include opioids, either morphine or hydromorphone. Plans will be written by the patients regular hematologist/sickle cell team. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Overall Study
STARTED
162
166
Overall Study
COMPLETED
50
46
Overall Study
NOT COMPLETED
112
120

Reasons for withdrawal

Reasons for withdrawal
Measure
Patient-Specific Protocol
Patients assigned to this arm will be given pain medicine(s) based on pain medicine(s) they take at home, what was needed during past hospital and emergency department visits to treat pain and doses that have been effective \& safe in the past. Patient-Specific Protocol: Patients assigned to this arm will be given pain medicine(s) based on pain medicine(s) they take at home and what was needed during their past hospital and emergency department visits to treat pain. Medicines include opioids, either morphine or hydromorphone. An outpatient SCD provider team will review patient's medical record to determine: 1) the patient's maximum home opioid dose, and 2) previous ED analgesic medication(s) and doses that have been effective \& safe in the past. The patient's regular hematologist/sickle cell team will write the treatment plans. Medications will be given every 20-30 minutes for up to 6 hours. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Weight-based Protocol
Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Weight-based Protocol: Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Medicines will include opioids, either morphine or hydromorphone. Plans will be written by the patients regular hematologist/sickle cell team. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Overall Study
No emergency department visit
65
71
Overall Study
Missed emergency department visit
25
30
Overall Study
Emergency Department visit for non vaso-occlusive episode diagnosis
18
15
Overall Study
Withdrawal by Subject
1
0
Overall Study
Physician Decision
1
1
Overall Study
missing pain score
1
1
Overall Study
Confirmed COVID-19
1
2

Baseline Characteristics

Data not collected on 1 participant

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Patient-Specific Protocol
n=54 Participants
Patients assigned to this arm will be given pain medicine(s) based on pain medicine(s) they take at home and what was needed during their past hospital and emergency department visits to treat pain. Medicines include opioids, either morphine or hydromorphone. An outpatient SCD provider team will review patient's medical record to determine: 1) the patient's maximum home opioid dose, and 2) previous ED analgesic medication(s) and doses that have been effective \& safe in the past. The patient's regular hematologist/sickle cell team will write the treatment plans. Medications will be given every 20-30 minutes for up to 6 hours. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Weight-based Protocol
n=50 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Weight-based Protocol: Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Medicines will include opioids, either morphine or hydromorphone. Plans will be written by the patients regular hematologist/sickle cell team. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Total
n=104 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=54 Participants
0 Participants
n=50 Participants
0 Participants
n=104 Participants
Age, Categorical
Between 18 and 65 years
54 Participants
n=54 Participants
50 Participants
n=50 Participants
104 Participants
n=104 Participants
Age, Categorical
>=65 years
0 Participants
n=54 Participants
0 Participants
n=50 Participants
0 Participants
n=104 Participants
Age, Continuous
31.3 Years
STANDARD_DEVIATION 8.63 • n=54 Participants
29.3 Years
STANDARD_DEVIATION 8.28 • n=50 Participants
30.3 Years
STANDARD_DEVIATION 8.48 • n=104 Participants
Sex: Female, Male
Female
36 Participants
n=54 Participants • Data not collected on 1 participant
28 Participants
n=49 Participants • Data not collected on 1 participant
64 Participants
n=103 Participants • Data not collected on 1 participant
Sex: Female, Male
Male
18 Participants
n=54 Participants • Data not collected on 1 participant
21 Participants
n=49 Participants • Data not collected on 1 participant
39 Participants
n=103 Participants • Data not collected on 1 participant
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=54 Participants • Data not collected on 1 participant
0 Participants
n=49 Participants • Data not collected on 1 participant
2 Participants
n=103 Participants • Data not collected on 1 participant
Ethnicity (NIH/OMB)
Not Hispanic or Latino
52 Participants
n=54 Participants • Data not collected on 1 participant
49 Participants
n=49 Participants • Data not collected on 1 participant
101 Participants
n=103 Participants • Data not collected on 1 participant
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=54 Participants • Data not collected on 1 participant
0 Participants
n=49 Participants • Data not collected on 1 participant
0 Participants
n=103 Participants • Data not collected on 1 participant
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=54 Participants • Data not collected on 1 participant
0 Participants
n=49 Participants • Data not collected on 1 participant
0 Participants
n=103 Participants • Data not collected on 1 participant
Race (NIH/OMB)
Asian
0 Participants
n=54 Participants • Data not collected on 1 participant
0 Participants
n=49 Participants • Data not collected on 1 participant
0 Participants
n=103 Participants • Data not collected on 1 participant
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=54 Participants • Data not collected on 1 participant
0 Participants
n=49 Participants • Data not collected on 1 participant
0 Participants
n=103 Participants • Data not collected on 1 participant
Race (NIH/OMB)
Black or African American
53 Participants
n=54 Participants • Data not collected on 1 participant
48 Participants
n=49 Participants • Data not collected on 1 participant
101 Participants
n=103 Participants • Data not collected on 1 participant
Race (NIH/OMB)
White
0 Participants
n=54 Participants • Data not collected on 1 participant
0 Participants
n=49 Participants • Data not collected on 1 participant
0 Participants
n=103 Participants • Data not collected on 1 participant
Race (NIH/OMB)
More than one race
0 Participants
n=54 Participants • Data not collected on 1 participant
0 Participants
n=49 Participants • Data not collected on 1 participant
0 Participants
n=103 Participants • Data not collected on 1 participant
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=54 Participants • Data not collected on 1 participant
1 Participants
n=49 Participants • Data not collected on 1 participant
2 Participants
n=103 Participants • Data not collected on 1 participant
Region of Enrollment
United States
54 Participants
n=54 Participants
50 Participants
n=50 Participants
104 Participants
n=104 Participants
Clinical Genotypes
SS, SB
42 Participants
n=54 Participants
35 Participants
n=50 Participants
77 Participants
n=104 Participants
Clinical Genotypes
SC SB+
12 Participants
n=54 Participants
15 Participants
n=50 Participants
27 Participants
n=104 Participants
Weight
73.8 kg
STANDARD_DEVIATION 16.63 • n=54 Participants
74.2 kg
STANDARD_DEVIATION 16.49 • n=50 Participants
74.0 kg
STANDARD_DEVIATION 16.49 • n=104 Participants
Leg Ulcers
3 Participants
n=53 Participants • Data not collected on 1 participant
2 Participants
n=50 Participants • Data not collected on 1 participant
5 Participants
n=103 Participants • Data not collected on 1 participant
Pulmonary Hypertension
10 Participants
n=51 Participants • Data not collected on 3 participants
6 Participants
n=50 Participants • Data not collected on 3 participants
16 Participants
n=101 Participants • Data not collected on 3 participants
Acute Chest Syndrome
39 Participants
n=53 Participants • Data not collected on 3 participants
35 Participants
n=48 Participants • Data not collected on 3 participants
74 Participants
n=101 Participants • Data not collected on 3 participants
Retinopathy
2 Participants
n=53 Participants • Data not collected on 2 participants
4 Participants
n=49 Participants • Data not collected on 2 participants
6 Participants
n=102 Participants • Data not collected on 2 participants
Stroke
11 Participants
n=50 Participants • Data not collected on 4 participants
8 Participants
n=50 Participants • Data not collected on 4 participants
19 Participants
n=100 Participants • Data not collected on 4 participants
Transient ischemic attack
3 Participants
n=49 Participants • Data not collected on 6 participants
1 Participants
n=49 Participants • Data not collected on 6 participants
4 Participants
n=98 Participants • Data not collected on 6 participants
Avascular necrosis
22 Participants
n=53 Participants • Data not collected on 4 participants
17 Participants
n=47 Participants • Data not collected on 4 participants
39 Participants
n=100 Participants • Data not collected on 4 participants
Kidney dysfunction
2 Participants
n=51 Participants • Data not collected on 3 participants
5 Participants
n=50 Participants • Data not collected on 3 participants
7 Participants
n=101 Participants • Data not collected on 3 participants
Heart Failure
3 Participants
n=52 Participants • Data not collected on 2 participants
1 Participants
n=50 Participants • Data not collected on 2 participants
4 Participants
n=102 Participants • Data not collected on 2 participants
Gallbladder disease
18 Participants
n=52 Participants • Data not collected on 2 participants
15 Participants
n=50 Participants • Data not collected on 2 participants
33 Participants
n=102 Participants • Data not collected on 2 participants
Seizure
8 Participants
n=50 Participants • Data not collected on 4 participants
4 Participants
n=50 Participants • Data not collected on 4 participants
12 Participants
n=100 Participants • Data not collected on 4 participants
Liver Dysfunction
3 Participants
n=52 Participants • Data not collected on 2 participants
0 Participants
n=50 Participants • Data not collected on 2 participants
3 Participants
n=102 Participants • Data not collected on 2 participants

PRIMARY outcome

Timeframe: baseline (bed placement), to disposition decision or a maximum treatment duration of 6 hours, whichever came first

Population: 3 participants were excluded following COVID-19 diagnosis, 5 participants had missing data following baseline so analysis could not be made.

Pain is measured by having the patient mark pain on a scale of 0 to 100, with 0 being no pain and 100 being the worst pain ever. Pain scores were initially measured using a 0-100 millimeter visual analog scale with higher (closer to 100 being worse); however during the COVID-19 pandemic, one site removed paper forms from the emergency department as an infection control measure. The protocol was amended to add collection of a 0-100 verbal numerical rating scale and sites were ask to obtain both a vision and verbal score if possible collecting the visual score first. For the analysis, the visual score was used if available for the primary outcome. if not available, the verbal score was used.

Outcome measures

Outcome measures
Measure
Patient-Specific Protocol
n=50 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on the pain medicine(s) they take at home for pain and what was needed during their past hospital and emergency department visits to treat pain. Medicines will include opioids, either morphine or hydromorphone. A member of the outpatient SCD provider team will review the patient's medical record to determine: 1) the patient's maximum home opioid dose, and 2) previous ED analgesic medication(s) and doses that have been effective and safe in the past. The patient's regular hematologist/sickle cell team will write the treatment plans. Medications will be given every 20-30 minutes for up to 6 hours. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Weight-based Protocol
n=46 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Weight-based Protocol: Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Medicines will include opioids, either morphine or hydromorphone. Plans will be written by the patients regular hematologist/sickle cell team. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
The Change in Pain Score
-27.0 score on a scale
Standard Deviation 27.54
-27.6 score on a scale
Standard Deviation 28.13

SECONDARY outcome

Timeframe: From bed placement to discharge or 6 hours whichever comes first

Population: Patients had to be placed in bed in emergency department. Time was calculated from placement to change in disposition or at the end of 6 hours whichever came first.

Length of index ED stay in hours from bed placement to discharge

Outcome measures

Outcome measures
Measure
Patient-Specific Protocol
n=50 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on the pain medicine(s) they take at home for pain and what was needed during their past hospital and emergency department visits to treat pain. Medicines will include opioids, either morphine or hydromorphone. A member of the outpatient SCD provider team will review the patient's medical record to determine: 1) the patient's maximum home opioid dose, and 2) previous ED analgesic medication(s) and doses that have been effective and safe in the past. The patient's regular hematologist/sickle cell team will write the treatment plans. Medications will be given every 20-30 minutes for up to 6 hours. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Weight-based Protocol
n=46 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Weight-based Protocol: Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Medicines will include opioids, either morphine or hydromorphone. Plans will be written by the patients regular hematologist/sickle cell team. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Length of Index ED (Emergency Department) Stay
3.4 hours
Standard Deviation 1.48
4.2 hours
Standard Deviation 1.72

SECONDARY outcome

Timeframe: up to 6 hours

Population: Data not collected on 10 participants

Length of care from bed placement to last drug dose in hours.

Outcome measures

Outcome measures
Measure
Patient-Specific Protocol
n=49 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on the pain medicine(s) they take at home for pain and what was needed during their past hospital and emergency department visits to treat pain. Medicines will include opioids, either morphine or hydromorphone. A member of the outpatient SCD provider team will review the patient's medical record to determine: 1) the patient's maximum home opioid dose, and 2) previous ED analgesic medication(s) and doses that have been effective and safe in the past. The patient's regular hematologist/sickle cell team will write the treatment plans. Medications will be given every 20-30 minutes for up to 6 hours. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Weight-based Protocol
n=45 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Weight-based Protocol: Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Medicines will include opioids, either morphine or hydromorphone. Plans will be written by the patients regular hematologist/sickle cell team. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Length of Care
2.5 hours
Standard Deviation 1.46
2.6 hours
Standard Deviation 1.62

SECONDARY outcome

Timeframe: Up to 7 days post enrollment

Number of hospitalizations for Vaso-Occlusive Episode (VOE) within 7 days following enrollment

Outcome measures

Outcome measures
Measure
Patient-Specific Protocol
n=50 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on the pain medicine(s) they take at home for pain and what was needed during their past hospital and emergency department visits to treat pain. Medicines will include opioids, either morphine or hydromorphone. A member of the outpatient SCD provider team will review the patient's medical record to determine: 1) the patient's maximum home opioid dose, and 2) previous ED analgesic medication(s) and doses that have been effective and safe in the past. The patient's regular hematologist/sickle cell team will write the treatment plans. Medications will be given every 20-30 minutes for up to 6 hours. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Weight-based Protocol
n=46 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Weight-based Protocol: Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Medicines will include opioids, either morphine or hydromorphone. Plans will be written by the patients regular hematologist/sickle cell team. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Total Number of Hospitalizations for Vaso-Occlusive Episode 7 Days Post Enrollment
11 hospitalizations
14 hospitalizations

SECONDARY outcome

Timeframe: Bed placement to discharge or 6 hours, whichever comes first

Side effects and safety at any time during the emergency department visit

Outcome measures

Outcome measures
Measure
Patient-Specific Protocol
n=50 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on the pain medicine(s) they take at home for pain and what was needed during their past hospital and emergency department visits to treat pain. Medicines will include opioids, either morphine or hydromorphone. A member of the outpatient SCD provider team will review the patient's medical record to determine: 1) the patient's maximum home opioid dose, and 2) previous ED analgesic medication(s) and doses that have been effective and safe in the past. The patient's regular hematologist/sickle cell team will write the treatment plans. Medications will be given every 20-30 minutes for up to 6 hours. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Weight-based Protocol
n=46 Participants
Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Weight-based Protocol: Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Medicines will include opioids, either morphine or hydromorphone. Plans will be written by the patients regular hematologist/sickle cell team. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%.
Number of Participants Experiencing Side Effects
Low blood pressure (SBP,90mmHg and/or DBP<50mmHg
3 Participants
1 Participants
Number of Participants Experiencing Side Effects
Nausea
19 Participants
19 Participants
Number of Participants Experiencing Side Effects
vomiting
7 Participants
6 Participants
Number of Participants Experiencing Side Effects
pruritus
31 Participants
36 Participants
Number of Participants Experiencing Side Effects
SPO2<95% requiring supplemental oxygen via nasal cannula due to opioid therapy
4 Participants
7 Participants
Number of Participants Experiencing Side Effects
Moderate to severe sedation (sedation score of >=3
4 Participants
5 Participants
Number of Participants Experiencing Side Effects
Drowsiness
15 Participants
9 Participants
Number of Participants Experiencing Side Effects
respiratory depression not requiring intubation
0 Participants
1 Participants

Adverse Events

Patient-Specific Protocol

Serious events: 0 serious events
Other events: 50 other events
Deaths: 0 deaths

Weight-based Protocol

Serious events: 0 serious events
Other events: 46 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Patient-Specific Protocol
n=50 participants at risk
Patients assigned to this treatment protocol will be given pain medicine(s) based on pain medicine(s) taken at home \& what was needed during past emergency department visits to treat pain. Medicines include opioids, morphine or hydromorphone. A member of the outpatient provider team reviews patient's medical record to determine patient's maximum home opioid dose, previous ED analgesic medication(s) \& doses that have been effective \& safe in the past. Patient's regular hematologist/sickle cell team will write the treatment plans. Medications will be given every 20-30 minutes for up to 6 hours. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing \> or equal to 90 kgs. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing \> or equal to 90 kgs. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. There are only two, not four, randomized interventions in this trial: patient specific pain management protocol and weight-based pain management protocol. Here the word "protocol" refers to pain management approach. The AEs have been submitted by each of these two interventions.
Weight-based Protocol
n=46 participants at risk
Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Weight-based Protocol: Patients assigned to this treatment protocol will be given pain medicine(s) based on their weight. Medicines will include opioids, either morphine or hydromorphone. Plans will be written by the patients regular hematologist/sickle cell team. Morphine: 4 mg for participants weighing \<50 kgs, 6mg for participants weighing 50-69.9 kgs, 8mg for participants weighing 70 - 89.9 kgs and 10mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. Hydromorphone: 1 mg for participants weighing \<60 kgs, 1.5 mg for participants weighing 60 - 89.9 kgs, and 2 mg for participants weighing greater than or equal to 90 kgs. dose is given. Re-dosing is every 20-30 minutes up to 6 hours with one possible dose escalation of 25%. There are only two, not four, randomized interventions in this trial: patient specific pain management protocol and weight-based pain management protocol. Here the word "protocol" refers to pain management approach. The AEs have been submitted by each of these two interventions.
General disorders
nausea
38.0%
19/50 • Number of events 19 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
41.3%
19/46 • Number of events 19 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
General disorders
vomiting
14.0%
7/50 • Number of events 7 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
13.0%
6/46 • Number of events 6 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
Skin and subcutaneous tissue disorders
Pruritus
62.0%
31/50 • Number of events 31 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
78.3%
36/46 • Number of events 36 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
Respiratory, thoracic and mediastinal disorders
SPO2<95%
8.0%
4/50 • Number of events 4 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
15.2%
7/46 • Number of events 7 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
General disorders
Moderate to severe sedation
8.0%
4/50 • Number of events 4 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
10.9%
5/46 • Number of events 5 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
General disorders
Drowsiness
30.0%
15/50 • Number of events 15 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
19.6%
9/46 • Number of events 9 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
Respiratory, thoracic and mediastinal disorders
Respiratory depression not requiring intubation
0.00%
0/50 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
2.2%
1/46 • Number of events 1 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
General disorders
low blood pressure
6.0%
3/50 • Number of events 3 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.
2.2%
1/46 • Number of events 1 • From enrollment in the emergency department through 7 days post enrollment for up to 8 days.

Additional Information

Huiman Barnhardt, PhD

Duke Clinical Research Institute - Duke University Medical Center

Phone: 919-668-7313

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place