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Sphenopalatine Nerve Block for Headache Tx360

A Prospective, Randomized, Double-Blind Study Comparing the Efficacy of Sphenopalatine Nerve Block by Localized Mucosal Application of an Anesthetic vs Placebo for the Emergency Department Management

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01939314
Enrollment
93
Registered
2013-09-11
Start date
2012-10-31
Completion date
2013-12-31
Last updated
2015-07-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Headache, Migraine

Keywords

Headache, Migraine

Brief summary

The primary objective of this study is to evaluate the efficacy of sphenopalatine nerve block utilizing the Tx360 (device) to deliver an anesthetic agent (bupivacaine) and to assess the duration of the analgesia.

Interventions

DRUGBupivacaine

Bupivavaine Delivered by the Tx 360 Device to the Sphenopalatine Ganglion

DRUGPlacebo

Normal Saline Delivered by the Tx 360 Device to the Sphenopalatine Ganglion

Sponsors

Indiana University
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* are 18 - 65 years of age * present to emergency department (ED) triage with chief complaint of crescendo-onset anterior/frontal headache (affecting frontal, temporal, orbital, maxillary, and mandible region) * have a normal neurological exams

Exclusion criteria

* are less than 18 years old or greater than 65 * have any focal neurological dysfunction signs or symptoms * have a posterior/occipital/cervicogenic source predominance of headache * are febrile (oral temperature 37.7 C or 100 F) or signs of acute or chronic sinusitis, such as congestion, has been present more than 10 days, there is a high fever, the nasal mucus is an abnormal color, or complains of face pain or headaches * have self treated with pain medication or anti-emetic 4 hours prior to arrival * have a history of peripheral vascular disease, cancer, or HIV infection * are known to be pregnant

Design outcomes

Primary

MeasureTime frame
Number of Participants Who Reported a 50% or Greater Reduction in Pain at 15 Minutes as Measured on the 100mm Visual Analog Scale15 minutes from dose

Secondary

MeasureTime frameDescription
Categorical Pain Relief15 minutes from doseCategorical Pain Relief at 15 minutes. Participants were asked to categorize their pain relief at 15 minutes as No, Little, Some, A Lot or Complete. The table displays the number of participants who identified their pain relief in the categories provided.
Headache Free at 24 Hours24 hoursThe percentage of patients that were headache free at 24 hours by follow-up phone conversation.

Countries

United States

Participant flow

Recruitment details

165 Patients Identified

Pre-assignment details

93 Patients Enrolled 47 Patients Excluded 25 Patients Declined

Participants by arm

ArmCount
Bupivacaine
Bupivacaine delivered by the Tx 360 device to the sphenopalatine ganglion bilaterally
41
Normal Saline
Normal Saline delivered by the Tx 360 device to the sphenopalatine ganglion bilaterally
46
Total87

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyLost to Follow-up56
Overall StudyPregnancy01
Overall StudyProtocol Violation10
Overall StudyWithdrawal by Subject31

Baseline characteristics

CharacteristicNormal SalineTotalBupivacaine
Age, Continuous41 years39 years33 years
Median Baseline Headache Score79 units on a scale79 units on a scale80 units on a scale
Median Baseline Nausea Score0 units on a scale20 units on a scale29 units on a scale
Sex: Female, Male
Female
33 Participants64 Participants31 Participants
Sex: Female, Male
Male
13 Participants23 Participants10 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
5 / 413 / 46
serious
Total, serious adverse events
0 / 410 / 46

Outcome results

Primary

Number of Participants Who Reported a 50% or Greater Reduction in Pain at 15 Minutes as Measured on the 100mm Visual Analog Scale

Time frame: 15 minutes from dose

ArmMeasureValue (NUMBER)
BupivacaineNumber of Participants Who Reported a 50% or Greater Reduction in Pain at 15 Minutes as Measured on the 100mm Visual Analog Scale48.8 percentage of participants
Normal SalineNumber of Participants Who Reported a 50% or Greater Reduction in Pain at 15 Minutes as Measured on the 100mm Visual Analog Scale41.3 percentage of participants
95% CI: [-13, 27.1]
Secondary

Categorical Pain Relief

Categorical Pain Relief at 15 minutes. Participants were asked to categorize their pain relief at 15 minutes as No, Little, Some, A Lot or Complete. The table displays the number of participants who identified their pain relief in the categories provided.

Time frame: 15 minutes from dose

ArmMeasureGroupValue (NUMBER)
BupivacaineCategorical Pain ReliefA Lot of Pain Relief11 participants
BupivacaineCategorical Pain ReliefA Little Pain Relief6 participants
BupivacaineCategorical Pain ReliefSome Pain Relief3 participants
BupivacaineCategorical Pain ReliefComplete Pain Relief8 participants
BupivacaineCategorical Pain ReliefNo Pain Relief13 participants
Normal SalineCategorical Pain ReliefComplete Pain Relief6 participants
Normal SalineCategorical Pain ReliefSome Pain Relief8 participants
Normal SalineCategorical Pain ReliefA Lot of Pain Relief10 participants
Normal SalineCategorical Pain ReliefNo Pain Relief13 participants
Normal SalineCategorical Pain ReliefA Little Pain Relief9 participants
Secondary

Headache Free at 24 Hours

The percentage of patients that were headache free at 24 hours by follow-up phone conversation.

Time frame: 24 hours

ArmMeasureValue (NUMBER)
BupivacaineHeadache Free at 24 Hours72.2 percentage of participants
Normal SalineHeadache Free at 24 Hours47.5 percentage of participants
95% CI: [2.6, 43.6]

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026