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Comparison · NCT01785459-deaths

Treatment vs Standard Care: deaths from any cause

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

2 sourcestrial-comparisons-2026-03-23-0.1.0

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ConductScience Library. Treatment vs Standard Care: deaths from any cause. Trial comparisons, record NCT01785459-deaths. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01785459-deaths

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Measures6

Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.

MeasureValue95% interval, lower95% interval, upperMethodNote
Risk in group 100.00000000000000002780.242wilson
Risk in group 2000.259wilson
Risk difference, group 1 minus group 20-0.2590.242newcombe hybrid score
Risk ratio, group 1 over group 2loga group has no participants with the outcome
Odds ratio, group 1 over group 2loga cell of the two-by-two table is zero
Number needed to harmfrom the risk difference intervalthe two groups' risks are equal

Groups2

Group 2 names the comparator: standard care.

GroupTitleDescriptionWith the outcomeAnalysedClinicalTrials.gov code
Group 1Treatment
0.5% bupivacaine~0.5% bupivacaine: The injection site will be prepared using common sterile technique with 2% chlorhexidine. 1.5 mL of 0.5% bupivacaine will be will be injected bilaterally in the paraspinal musculature of the cervical spine. Location would be approximately 1 cm superior to spinous process of C7 and approximately 2-3 cm laterally. The needle is inserted 1 to 1.5 inches into the paraspinous musculature at this level. A 27-gauge needle would be used to minimize tissue trauma and pain to the patient. Our method of injection is followed quite closely with the technique depicted in multiple retrospective studies. We chose to follow previous reported technique secondary to good clinical efficacy and impressive documented safety profile. Additionally, before injection, aspiration would be performed to lesson chance of intravascular injection.
012EG001
Group 2Standard Careintravenous Prochlorperazine~Standard Care: 10 mg Intravenous injection of Prochlorperazine011EG000

Harm

What it counts
Total, all-cause mortality
Time frame
72 hours and immediately following injection

Source ClinicalTrials.gov

Trial

Title
Bupivacaine for Benign Headache in the ED
NCT number
NCT01785459
Phases
PHASE2
Conditions
Benign Headache
Interventions
0.5% bupivacaine, Standard Care
Lead sponsor
Wake Forest University Health Sciences
Results first posted
2019-04-03

Source ClinicalTrials.gov

Source

Release
trial-comparisons-2026-03-23-0.1.0
Release manifest SHA-256
f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
AACT copy
2026-03-23
Tables read
outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet

Source ClinicalTrials.gov

Sources 2

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.

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