Trial Outcomes & Findings for Motion Sifnos: A Study to Investigate the Efficacy of Tradipitant in Subjects Affected by Motion Sickness (NCT NCT03772340)

NCT ID: NCT03772340

Last Updated: 2025-05-09

Results Overview

As measured by the Motion Sickness Severity Scale (MSSS) (NRS 0-6); Lower score indicates improvement

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

126 participants

Primary outcome timeframe

1 day

Results posted on

2025-05-09

Participant Flow

Participant milestones

Participant milestones
Measure
Tradipitant
Tradipitant: Oral capsule
Placebo
Placebo: Oral capsule
Overall Study
STARTED
63
63
Overall Study
COMPLETED
63
63
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Motion Sifnos: A Study to Investigate the Efficacy of Tradipitant in Subjects Affected by Motion Sickness

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Tradipitant
n=63 Participants
Tradipitant: Oral capsule
Placebo
n=63 Participants
Placebo: Oral capsule
Total
n=126 Participants
Total of all reporting groups
Age, Continuous
38.6 years
STANDARD_DEVIATION 11.44 • n=5 Participants
39.7 years
STANDARD_DEVIATION 12.65 • n=7 Participants
39.1 years
STANDARD_DEVIATION 12.02 • n=5 Participants
Sex: Female, Male
Female
50 Participants
n=5 Participants
47 Participants
n=7 Participants
97 Participants
n=5 Participants
Sex: Female, Male
Male
13 Participants
n=5 Participants
16 Participants
n=7 Participants
29 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
22 Participants
n=5 Participants
21 Participants
n=7 Participants
43 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
41 Participants
n=5 Participants
42 Participants
n=7 Participants
83 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race/Ethnicity, Customized
American Indian or Alaskan Native
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race/Ethnicity, Customized
Asian
6 Participants
n=5 Participants
8 Participants
n=7 Participants
14 Participants
n=5 Participants
Race/Ethnicity, Customized
Black or African American
6 Participants
n=5 Participants
4 Participants
n=7 Participants
10 Participants
n=5 Participants
Race/Ethnicity, Customized
Native Hawaiian or Pacific Islander
2 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
Race/Ethnicity, Customized
White
44 Participants
n=5 Participants
49 Participants
n=7 Participants
93 Participants
n=5 Participants
Race/Ethnicity, Customized
Other
5 Participants
n=5 Participants
1 Participants
n=7 Participants
6 Participants
n=5 Participants
Region of Enrollment
United States
63 participants
n=5 Participants
63 participants
n=7 Participants
126 participants
n=5 Participants
Baseline BMI
26.58 kg/m^2
STANDARD_DEVIATION 5.03 • n=5 Participants
27.87 kg/m^2
STANDARD_DEVIATION 4.858 • n=7 Participants
27.22 kg/m^2
STANDARD_DEVIATION 4.967 • n=5 Participants

PRIMARY outcome

Timeframe: 1 day

As measured by the Motion Sickness Severity Scale (MSSS) (NRS 0-6); Lower score indicates improvement

Outcome measures

Outcome measures
Measure
Tradipitant
n=63 Participants
Tradipitant: Oral capsule
Placebo
n=63 Participants
Placebo: Oral capsule
The Most Severe Motion Sickness Severity During Vehicle Travel
3.4 units on a scale
Standard Error 0.238
3.75 units on a scale
Standard Error 0.239

PRIMARY outcome

Timeframe: 1 day

Defined as subjects ever vomited (MSSS=6) or terminated early due to severity during the vehicle travel. As measured by the Motion Sickness Severity Scale (NRS 0-6).

Outcome measures

Outcome measures
Measure
Tradipitant
n=63 Participants
Tradipitant: Oral capsule
Placebo
n=63 Participants
Placebo: Oral capsule
Percentage of Vomiting
Vomiting No
52 Participants
38 Participants
Percentage of Vomiting
Vomiting Yes
11 Participants
25 Participants

Adverse Events

Tradipitant

Serious events: 0 serious events
Other events: 39 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 39 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Tradipitant
n=63 participants at risk
Tradipitant: Oral capsule
Placebo
n=63 participants at risk
Placebo: Oral capsule
Ear and labyrinth disorders
Motion Sickness
30.2%
19/63 • All Adverse Events (AEs) were collected from the time of the subject's informed consent signature until the end of the subject's study participation. AEs reported or learned up to 7 days after the subject's last study visit or a new SAE(s) up to 30 days after last study visit were recorded. AEs were monitored for approximately one month after randomization.
42.9%
27/63 • All Adverse Events (AEs) were collected from the time of the subject's informed consent signature until the end of the subject's study participation. AEs reported or learned up to 7 days after the subject's last study visit or a new SAE(s) up to 30 days after last study visit were recorded. AEs were monitored for approximately one month after randomization.
Nervous system disorders
Somnolence
27.0%
17/63 • All Adverse Events (AEs) were collected from the time of the subject's informed consent signature until the end of the subject's study participation. AEs reported or learned up to 7 days after the subject's last study visit or a new SAE(s) up to 30 days after last study visit were recorded. AEs were monitored for approximately one month after randomization.
12.7%
8/63 • All Adverse Events (AEs) were collected from the time of the subject's informed consent signature until the end of the subject's study participation. AEs reported or learned up to 7 days after the subject's last study visit or a new SAE(s) up to 30 days after last study visit were recorded. AEs were monitored for approximately one month after randomization.
Nervous system disorders
Headache
12.7%
8/63 • All Adverse Events (AEs) were collected from the time of the subject's informed consent signature until the end of the subject's study participation. AEs reported or learned up to 7 days after the subject's last study visit or a new SAE(s) up to 30 days after last study visit were recorded. AEs were monitored for approximately one month after randomization.
7.9%
5/63 • All Adverse Events (AEs) were collected from the time of the subject's informed consent signature until the end of the subject's study participation. AEs reported or learned up to 7 days after the subject's last study visit or a new SAE(s) up to 30 days after last study visit were recorded. AEs were monitored for approximately one month after randomization.
Gastrointestinal disorders
Nausea
6.3%
4/63 • All Adverse Events (AEs) were collected from the time of the subject's informed consent signature until the end of the subject's study participation. AEs reported or learned up to 7 days after the subject's last study visit or a new SAE(s) up to 30 days after last study visit were recorded. AEs were monitored for approximately one month after randomization.
3.2%
2/63 • All Adverse Events (AEs) were collected from the time of the subject's informed consent signature until the end of the subject's study participation. AEs reported or learned up to 7 days after the subject's last study visit or a new SAE(s) up to 30 days after last study visit were recorded. AEs were monitored for approximately one month after randomization.

Additional Information

Vanda Pharmaceuticals Inc.

Vanda Pharmaceuticals Inc.

Phone: 2027343400

Results disclosure agreements

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

Restriction type: OTHER