Trial Outcomes & Findings for A Study to Evaluate the Safety of STS101 in the Acute Treatment of Migraine (NCT NCT04406649)

NCT ID: NCT04406649

Last Updated: 2023-07-03

Results Overview

The subject's rating was documented on a four-point scale from no pain (= 0), mild pain (= 1), moderate pain (= 2) to severe pain (= 3). Pain freedom means the pain went from moderate (2) or severe (3) to no pain (0).

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

482 participants

Primary outcome timeframe

At Month 12 of Study Medication Dosing

Results posted on

2023-07-03

Participant Flow

The study was conducted at 54 sites in the United States.

A total of 482 participants were enrolled in the study (all enrolled subjects population).

Participant milestones

Participant milestones
Measure
STS101 5.2 mg
Subjects received a single oral dose of STS101 (dihydroergotamine nasal powder) 5.2 mg.
Overall Study
STARTED
482
Overall Study
COMPLETED
205
Overall Study
NOT COMPLETED
277

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

A Study to Evaluate the Safety of STS101 in the Acute Treatment of Migraine

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
STS101 5.2 mg
n=446 Participants
Subjects received a single oral dose of STS101 (dihydroergotamine nasal powder) 5.2 mg.
Age, Continuous
39.1 years
STANDARD_DEVIATION 10.8 • n=5 Participants
Sex: Female, Male
Female
389 Participants
n=5 Participants
Sex: Female, Male
Male
57 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
15 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
47 Participants
n=5 Participants
Race (NIH/OMB)
White
379 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
5 Participants
n=5 Participants
Region of Enrollment
United States
446 participants
n=5 Participants

PRIMARY outcome

Timeframe: At Month 12 of Study Medication Dosing

The subject's rating was documented on a four-point scale from no pain (= 0), mild pain (= 1), moderate pain (= 2) to severe pain (= 3). Pain freedom means the pain went from moderate (2) or severe (3) to no pain (0).

Outcome measures

Outcome measures
Measure
STS101 5.2 mg
n=183 Participants
Subjects received a single oral dose of STS101 (dihydroergotamine nasal powder) 5.2 mg.
Percentage of Participants With Attacks With Sustained Freedom From Headache Pain 2-48 Hours (Modified Intent to Treat Population)
40.0 Participants

PRIMARY outcome

Timeframe: At Month 12 of Study Drug Administration

Subjects were prompted to document the presence of 3 symptoms (photophobia, phonophobia, and nausea) immediately before study drug administration and during the treated migraine attack.

Outcome measures

Outcome measures
Measure
STS101 5.2 mg
n=183 Participants
Subjects received a single oral dose of STS101 (dihydroergotamine nasal powder) 5.2 mg.
Percentage of Participants With Attacks With Sustained Freedom From Most Bothersome Symptom 2-48 Hours (Modified Intent to Treat Population)
60 Participants

Adverse Events

STS101 5.2 mg

Serious events: 3 serious events
Other events: 206 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
STS101 5.2 mg
n=446 participants at risk
Subjects received a single oral dose of STS101 (dihydroergotamine nasal powder) 5.2 mg.
Cardiac disorders
Acute Myocardial infarction
0.22%
1/446 • Adverse event data was collected for 1 year.
The all subjects (Mk1/Mk2 device) safety population was used for adverse event reporting.
Cardiac disorders
Postural Orthostatic Tachycardia Syndrome
0.22%
1/446 • Adverse event data was collected for 1 year.
The all subjects (Mk1/Mk2 device) safety population was used for adverse event reporting.
Hepatobiliary disorders
Cholecystitis Acute
0.22%
1/446 • Adverse event data was collected for 1 year.
The all subjects (Mk1/Mk2 device) safety population was used for adverse event reporting.

Other adverse events

Other adverse events
Measure
STS101 5.2 mg
n=446 participants at risk
Subjects received a single oral dose of STS101 (dihydroergotamine nasal powder) 5.2 mg.
Respiratory, thoracic and mediastinal disorders
Nasal Discomfort
14.3%
64/446 • Adverse event data was collected for 1 year.
The all subjects (Mk1/Mk2 device) safety population was used for adverse event reporting.
Respiratory, thoracic and mediastinal disorders
Nasal Congestion
6.7%
30/446 • Adverse event data was collected for 1 year.
The all subjects (Mk1/Mk2 device) safety population was used for adverse event reporting.
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
5.2%
23/446 • Adverse event data was collected for 1 year.
The all subjects (Mk1/Mk2 device) safety population was used for adverse event reporting.
Infections and infestations
COVID-19
5.6%
25/446 • Adverse event data was collected for 1 year.
The all subjects (Mk1/Mk2 device) safety population was used for adverse event reporting.
Nervous system disorders
Dysgeusia
7.4%
33/446 • Adverse event data was collected for 1 year.
The all subjects (Mk1/Mk2 device) safety population was used for adverse event reporting.
Gastrointestinal disorders
Nausea
7.0%
31/446 • Adverse event data was collected for 1 year.
The all subjects (Mk1/Mk2 device) safety population was used for adverse event reporting.

Additional Information

Vice President of Regulatory Affairs and Quality

Satsuma Pharmaceuticals, Inc.

Phone: 650-837-0799

Results disclosure agreements

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

Restriction type: OTHER