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

Motion Sifnos: A Randomized, Double-blind, Placebo-controlled Study to Investigate the Efficacy of Tradipitant in Subjects Affected by Motion Sickness During Travel

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03772340
Enrollment
126
Registered
2018-12-11
Start date
2018-12-20
Completion date
2019-06-27
Last updated
2025-05-09

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

Conditions

Motion Sickness

Brief summary

Randomized, double-blind, placebo-controlled investigating the efficacy of tradipitant in the treatment of motion sickness.

Interventions

Oral capsule

DRUGPlacebo

Oral capsule

Sponsors

Vanda Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* Male or non-pregnant, non-lactating female patients aged 18 - 75 years (inclusive); * Body Mass Index (BMI) of ≥18 and \<40 kg/m2; * History or symptoms consistent with motion sickness

Exclusion criteria

* Chronic nausea due to condition other than motion sickness; * A positive test for drugs of abuse at the screening or evaluation visits; * Clinically significant deviation from normal clinical laboratory results

Design outcomes

Primary

MeasureTime frameDescription
The Most Severe Motion Sickness Severity During Vehicle Travel1 dayAs measured by the Motion Sickness Severity Scale (MSSS) (NRS 0-6); Lower score indicates improvement
Percentage of Vomiting1 dayDefined 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).

Countries

United States

Participant flow

Participants by arm

ArmCount
Tradipitant
Tradipitant: Oral capsule
63
Placebo
Placebo: Oral capsule
63
Total126

Baseline characteristics

CharacteristicTradipitantPlaceboTotal
Age, Continuous38.6 years
STANDARD_DEVIATION 11.44
39.7 years
STANDARD_DEVIATION 12.65
39.1 years
STANDARD_DEVIATION 12.02
Baseline BMI26.58 kg/m^2
STANDARD_DEVIATION 5.03
27.87 kg/m^2
STANDARD_DEVIATION 4.858
27.22 kg/m^2
STANDARD_DEVIATION 4.967
Ethnicity (NIH/OMB)
Hispanic or Latino
22 Participants21 Participants43 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
41 Participants42 Participants83 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race/Ethnicity, Customized
American Indian or Alaskan Native
0 Participants1 Participants1 Participants
Race/Ethnicity, Customized
Asian
6 Participants8 Participants14 Participants
Race/Ethnicity, Customized
Black or African American
6 Participants4 Participants10 Participants
Race/Ethnicity, Customized
Native Hawaiian or Pacific Islander
2 Participants0 Participants2 Participants
Race/Ethnicity, Customized
Other
5 Participants1 Participants6 Participants
Race/Ethnicity, Customized
White
44 Participants49 Participants93 Participants
Region of Enrollment
United States
63 participants63 participants126 participants
Sex: Female, Male
Female
50 Participants47 Participants97 Participants
Sex: Female, Male
Male
13 Participants16 Participants29 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
0 / 630 / 63
other
Total, other adverse events
39 / 6339 / 63
serious
Total, serious adverse events
0 / 630 / 63

Outcome results

Primary

Percentage of Vomiting

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).

Time frame: 1 day

ArmMeasureCategoryValue (COUNT_OF_PARTICIPANTS)
TradipitantPercentage of VomitingVomiting Yes11 Participants
TradipitantPercentage of VomitingVomiting No52 Participants
PlaceboPercentage of VomitingVomiting No38 Participants
PlaceboPercentage of VomitingVomiting Yes25 Participants
Primary

The Most Severe Motion Sickness Severity During Vehicle Travel

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

Time frame: 1 day

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
TradipitantThe Most Severe Motion Sickness Severity During Vehicle Travel3.4 units on a scaleStandard Error 0.238
PlaceboThe Most Severe Motion Sickness Severity During Vehicle Travel3.75 units on a scaleStandard Error 0.239

Source: ClinicalTrials.gov · Data processed: Feb 10, 2026