Trial Outcomes & Findings for Repeated-dose Behavioral Intervention to Reduce Opioid Overdose (NCT NCT03838510)

NCT ID: NCT03838510

Last Updated: 2025-06-15

Results Overview

Number of overdose events will be measured by self-report via timeline follow-back (TLFB) assessment, ED/EMS records, and Vital records.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

268 participants

Primary outcome timeframe

16 Months

Results posted on

2025-06-15

Participant Flow

Participant milestones

Participant milestones
Measure
Brief Counseling Intervention
REBOOT: The brief counseling intervention will utilize Motivational Interviewing and skills-building techniques to modify personal overdose risk behaviors and develop skills as a peer responder for witnessed overdose. The counselor will draw upon themes of safer substance use to address overdose risk behaviors and determine readiness for change in substance use.
Control Group
The attention control group will watch a show or listen to a podcast for the same time duration as the intervention sessions.
Overall Study
STARTED
133
135
Overall Study
COMPLETED
112
121
Overall Study
NOT COMPLETED
21
14

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Repeated-dose Behavioral Intervention to Reduce Opioid Overdose

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Brief Counseling Intervention
n=133 Participants
REBOOT: The brief counseling intervention will utilize Motivational Interviewing and skills-building techniques to modify personal overdose risk behaviors and develop skills as a peer responder for witnessed overdose. The counselor will draw upon themes of safer substance use to address overdose risk behaviors and determine readiness for change in substance use.
Control Group
n=135 Participants
Participants in the control group will watch a show or listen to a podcast for the same amount of time as an intervention session as an attention control.
Total
n=268 Participants
Total of all reporting groups
Age, Continuous
43.4 years
STANDARD_DEVIATION 10.2 • n=5 Participants
41.7 years
STANDARD_DEVIATION 9.9 • n=7 Participants
43 years
STANDARD_DEVIATION 10 • n=5 Participants
Sex/Gender, Customized
Male
86 Participants
n=5 Participants
79 Participants
n=7 Participants
165 Participants
n=5 Participants
Sex/Gender, Customized
Female
46 Participants
n=5 Participants
54 Participants
n=7 Participants
100 Participants
n=5 Participants
Sex/Gender, Customized
Trans female
1 Participants
n=5 Participants
1 Participants
n=7 Participants
2 Participants
n=5 Participants
Sex/Gender, Customized
Trans male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Sex/Gender, Customized
Other
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
17 Participants
n=5 Participants
22 Participants
n=7 Participants
39 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
116 Participants
n=5 Participants
110 Participants
n=7 Participants
226 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
4 Participants
n=5 Participants
2 Participants
n=7 Participants
6 Participants
n=5 Participants
Race (NIH/OMB)
Asian
2 Participants
n=5 Participants
1 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
18 Participants
n=5 Participants
19 Participants
n=7 Participants
37 Participants
n=5 Participants
Race (NIH/OMB)
White
90 Participants
n=5 Participants
84 Participants
n=7 Participants
174 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
10 Participants
n=5 Participants
15 Participants
n=7 Participants
25 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
9 Participants
n=5 Participants
14 Participants
n=7 Participants
23 Participants
n=5 Participants
Region of Enrollment
United States
133 Participants
n=5 Participants
135 Participants
n=7 Participants
268 Participants
n=5 Participants

PRIMARY outcome

Timeframe: 16 Months

Number of overdose events will be measured by self-report via timeline follow-back (TLFB) assessment, ED/EMS records, and Vital records.

Outcome measures

Outcome measures
Measure
Brief Counseling Intervention
n=133 Participants
REBOOT: The brief counseling intervention will utilize Motivational Interviewing and skills-building techniques to modify personal overdose risk behaviors and develop skills as a peer responder for witnessed overdose. The counselor will draw upon themes of safer substance use to address overdose risk behaviors and determine readiness for change in substance use.
Control Group
n=135 Participants
Participants in the control group will watch a show or listen to a podcast for the same amount of time as an intervention session as an attention control.
Number of Overdose Events
0 overdoses
Interval 0.0 to 1.0
0 overdoses
Interval 0.0 to 1.0

Adverse Events

Brief Counseling Intervention

Serious events: 88 serious events
Other events: 69 other events
Deaths: 4 deaths

Control Group

Serious events: 78 serious events
Other events: 60 other events
Deaths: 4 deaths

Serious adverse events

Serious adverse events
Measure
Brief Counseling Intervention
n=133 participants at risk
REBOOT: The brief counseling intervention will utilize Motivational Interviewing and skills-building techniques to modify personal overdose risk behaviors and develop skills as a peer responder for witnessed overdose. The counselor will draw upon themes of safer substance use to address overdose risk behaviors and determine readiness for change in substance use.
Control Group
n=135 participants at risk
Participants in the control group will watch a show or listen to a podcast for the same amount of time as an intervention session as an attention control.
Infections and infestations
COVID-19
0.75%
1/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
fungal infection of blood
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
food poisoning
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
blood poisoning/sepsis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
blood infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
soft tissue infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
knee infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
overdose
0.00%
0/133 • 16 months
0.00%
0/135 • 16 months
Cardiac disorders
heart failure
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Cardiac disorders
heart attack
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Gastrointestinal disorders
hernia
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Gastrointestinal disorders
norovirus
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Hepatobiliary disorders
gallstone
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Hepatobiliary disorders
gallbladder infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Immune system disorders
adverse reaction to medication
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
endocarditis
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
muscle infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
hand infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
pneumonia
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
upper respiratory infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
UTI
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
abcess
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
excessive sweating/fever
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
car accident
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
fall
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
head injury
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
broken wrist
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
physical assault
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
dislocated shoulder
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
blood poisoning and kidney failure
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Musculoskeletal and connective tissue disorders
car accident
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Musculoskeletal and connective tissue disorders
broken ankle
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Musculoskeletal and connective tissue disorders
back and shoulder pain
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
prostate cancer
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
breast cancer
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Nervous system disorders
seizure
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Nervous system disorders
memory loss and headache
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Nervous system disorders
confusion, loss of balance, slurred speech
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Nervous system disorders
coma
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Psychiatric disorders
suicidal ideation
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Psychiatric disorders
panic attack
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Psychiatric disorders
psych emergency
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Psychiatric disorders
depressive episode
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Psychiatric disorders
5150 hold
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Renal and urinary disorders
complications related to dialysis
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Renal and urinary disorders
kidney failure
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Renal and urinary disorders
bladder cancer
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Respiratory, thoracic and mediastinal disorders
pneumonia
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
abscess
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
cellulitis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
wrist abscess
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Skin and subcutaneous tissue disorders
cyst
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Skin and subcutaneous tissue disorders
abscess/cellulitis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Cardiac disorders
heart murmur
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Cardiac disorders
endocarditis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Cardiac disorders
overdose
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Endocrine disorders
high blood sugar
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Gastrointestinal disorders
constipation
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Gastrointestinal disorders
GERD
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
General disorders
adverse reaction to medication
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Immune system disorders
sepsis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
strep throat
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
tooth infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
stabbing
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
coma
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
staph infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
brain bruise
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
withdrawal symptoms
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
stimulant overdose
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
death, suspected overdose
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
adverse reaction to medication
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Metabolism and nutrition disorders
hypoglycemia
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
back and hip pain
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
foot pain and swelling
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
hip pain
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
physical assault
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
staph infection, rhabdomyolysis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
spinal fractures
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
hernia
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Nervous system disorders
head injury
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Nervous system disorders
confusion/disorientation
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Nervous system disorders
stroke
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Nervous system disorders
loss of consciousness
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Pregnancy, puerperium and perinatal conditions
high risk pregnancy
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Psychiatric disorders
mental health crisis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Psychiatric disorders
inpatient psych hold
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Renal and urinary disorders
kidney stone
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Respiratory, thoracic and mediastinal disorders
low oxygen
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Respiratory, thoracic and mediastinal disorders
chest pain
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Respiratory, thoracic and mediastinal disorders
asthma
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
staph infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
leg infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
foot infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
thigh abscess
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
neck abscess
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
sepsis/cellulitis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
thumb blister
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
arm infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Surgical and medical procedures
hysterectomy
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months

Other adverse events

Other adverse events
Measure
Brief Counseling Intervention
n=133 participants at risk
REBOOT: The brief counseling intervention will utilize Motivational Interviewing and skills-building techniques to modify personal overdose risk behaviors and develop skills as a peer responder for witnessed overdose. The counselor will draw upon themes of safer substance use to address overdose risk behaviors and determine readiness for change in substance use.
Control Group
n=135 participants at risk
Participants in the control group will watch a show or listen to a podcast for the same amount of time as an intervention session as an attention control.
Respiratory, thoracic and mediastinal disorders
chest pain
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Blood and lymphatic system disorders
leg swelling
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Cardiac disorders
dizziness
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Cardiac disorders
heart murmur
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Gastrointestinal disorders
ulcers
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Gastrointestinal disorders
GI lesions/ulcers
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Gastrointestinal disorders
ulcerative colitis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
General disorders
fatigue
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
Hepatitis C infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
spinal infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
UTI
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
flu
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
toe infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
stomach flu
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
testicle infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Infections and infestations
infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
knee injury
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
back injury
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
shoulder injury
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
head injury
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
broken wrist
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
blood clots
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
fall
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
broken thumb
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Injury, poisoning and procedural complications
physical assault
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
dislocated shoulder
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Metabolism and nutrition disorders
unintentional weight loss
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
scoliosis worsening
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Musculoskeletal and connective tissue disorders
leg pain
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Musculoskeletal and connective tissue disorders
painful sciatic nerve
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Musculoskeletal and connective tissue disorders
knee pain
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Musculoskeletal and connective tissue disorders
arthritis in feet
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Musculoskeletal and connective tissue disorders
osteoarthritis
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Musculoskeletal and connective tissue disorders
broken finger
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Nervous system disorders
losing control of hand
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Nervous system disorders
pain, loss of sensation on right side of body
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Nervous system disorders
neurological changes s/p stroke
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Nervous system disorders
seizure
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Psychiatric disorders
insomnia
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Psychiatric disorders
ED visit (unspecified)
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Respiratory, thoracic and mediastinal disorders
congestion and cough
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Respiratory, thoracic and mediastinal disorders
chest discomfort
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Respiratory, thoracic and mediastinal disorders
difficulty breathing
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Skin and subcutaneous tissue disorders
abscess
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
MRSA infection
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Skin and subcutaneous tissue disorders
cellulitis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
herpes
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Skin and subcutaneous tissue disorders
sublocade injection reaction
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Skin and subcutaneous tissue disorders
leg wound
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Skin and subcutaneous tissue disorders
psoriasis
0.00%
0/133 • 16 months
0.74%
1/135 • 16 months
Gastrointestinal disorders
stomach/bowel issue
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Gastrointestinal disorders
colon pain
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Gastrointestinal disorders
diarrhea
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Gastrointestinal disorders
withdrawal symptoms
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
General disorders
soreness due to dental work
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
General disorders
withdrawal symptoms
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Immune system disorders
allergic reaction
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
COVID-19
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
stomach virus
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
orchitis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
chlamydia
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
HIV
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
bacterial infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Infections and infestations
tooth pain
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
overdose
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
bike accident
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
car accident
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
injury due to physical assault
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
headache due to physical assault
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
sprained ankle
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
burn
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
injury from fall
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
pulled muscle
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
lost teeth due to injury
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
dog bite
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
knife injury
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
broken foot
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Injury, poisoning and procedural complications
hand injury
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Metabolism and nutrition disorders
unintentional weight gain
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
broken cast
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
hip pain
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Musculoskeletal and connective tissue disorders
hip pain/arthritis
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Nervous system disorders
nervous twitching
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Psychiatric disorders
anxiety attack
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Reproductive system and breast disorders
painful menstruation
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Reproductive system and breast disorders
cervical polyp
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Reproductive system and breast disorders
HPV infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Respiratory, thoracic and mediastinal disorders
pneumonia
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Respiratory, thoracic and mediastinal disorders
asthma
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
lump in neck
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
swollen feet
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
rash/lesions
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
wound due to injection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
leg infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
swollen eye
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
infection
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Skin and subcutaneous tissue disorders
blood infection/abscess
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Social circumstances
needle stick
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months
Vascular disorders
blood clot
0.75%
1/133 • 16 months
0.00%
0/135 • 16 months

Additional Information

Phillip Coffin, MD, MIA

San Francisco Department of Public Health, University fo California San Francisco

Phone: 628-217-6282

Results disclosure agreements

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