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Trial · NCT02551731

Cannabidiol Oral Solution for Treatment of Refractory Infantile Spasms

NCT02551731, Phase 2, Terminated, INSYS Therapeutics Inc; results first posted 2018-09-19

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Cannabidiol Oral Solution for Treatment of Refractory Infantile Spasms. Trials, record NCT02551731. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT02551731

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Cannabidiol Oral Solution for Treatment of Refractory Infantile Spasms
NCT number
NCT02551731
Status
Terminated
Phases
Phase 2
Enrollment
9 participants, actual
Lead sponsor
INSYS Therapeutics Inc
Conditions
Spasms, Infantile
Interventions
Cannabidiol Oral Solution
First posted
2015-09-16
Last updated
2018-09-19
Results first posted
2018-09-19

Source ClinicalTrials.gov

Registered outcomes14

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryPart A: Percentage of Participants Who Are Considered Complete Responders at Day 14Day 14Complete response was defined as complete resolution of spasms and hypsarrythmia (if present at baseline) confirmed by video-electroencephalogram (EEG) at Day 14.
PrimaryPart B: Percentage of Participants Experiencing Adverse Events (AEs), Treatment-Emergent AEs (TEAEs), and Serious Adverse Events (SAEs)Up to Week 64
SecondaryPart A: Percentage of Participants With Absence of Infantile Spasms at Day 14Day 14
SecondaryPart A: Percentage of Participants With Absence of Hypsarrhythmia at Day 14Day 14
SecondaryPart A: Median Reduction in Seizure-burden Comparing Video-EEG at Baseline to Repeat Video-EEG at Day 14Baseline, Day 14
SecondaryPart A: Parent Impression of Efficacy and Tolerability of Study DrugVisit 3 (Day 14), Visit 4 (Week 4), Visit 5 (Week 8), Visit 6 (Week 10), and end of study.
Parent impression of efficacy and tolerability, as measured by Clinical Global Impression-Global Improvement Scale (CGI-I), was summarized by visit and status of response (Complete/Partial and No Response) at Visit 3 (Day 14), Visit 4 (Week 4), Visit 5 (Week 8), Visit 6 (Week 10), and end of study. The CGI-I was also analyzed in a continuous scale, as follows: 1 = Very much improved, 2 = Much improved, 3 = Minimally improved, 4 = No change, 5 = Minimally worse, 6 = Much worse, and 7 = Very much worse
SecondaryPart A: Percentage of Participants With a Partial Response to TreatmentDay 14Partial response was defined as a substantive change in background EEG or reduction in spasms on video EEG obtained at Day 14.
SecondaryPart A: Percentage of Complete Responders With RelapseDay 14Complete response was defined as complete resolution of spasms and hypsarrythmia (if present at baseline) confirmed by video-EEG at Day 14.
SecondaryPart A: Time to Complete Responder RelapseDay 14Complete response was defined as complete resolution of spasms and hypsarrythmia (if present at baseline) confirmed by video-EEG at Day 14.
Secondary
Part B: Parent Impression of Efficacy and Tolerability of Study Drug as Measured by the Change in Clinical Global Impression of Improvement Assessment (CGI-I), Responses at Every Visit Throughout Part B
Up to Week 64

Outcomes14

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYPart A: Percentage of Participants Who Are Considered Complete Responders at Day 14Day 14Efficacy Analysis Population: included all participants who received study drug for at least 14 days and underwent video EEG on Day 14.Percentage of participantsNUMBER
PRIMARYPart B: Percentage of Participants Experiencing Adverse Events (AEs), Treatment-Emergent AEs (TEAEs), and Serious Adverse Events (SAEs)Up to Week 64Safety Analysis Population: included all participants who received at least one dose of study drug.Percentage of participantsNUMBER
SECONDARYPart A: Percentage of Participants With Absence of Infantile Spasms at Day 14Day 14Efficacy Analysis Population: included all participants who received study drug for at least 14 days and underwent video EEG on Day 14.Percentage of participantsNUMBER
SECONDARYPart A: Percentage of Participants With Absence of Hypsarrhythmia at Day 14Day 14Efficacy Analysis Population: included all participants who received study drug for at least 14 days and underwent video EEG on Day 14.Percentage of participantsNUMBER
SECONDARYPart A: Median Reduction in Seizure-burden Comparing Video-EEG at Baseline to Repeat Video-EEG at Day 14Baseline, Day 14Efficacy Analysis Population: included all participants who received study drug for at least 14 days and underwent video EEG on Day 14.Number of spasmsMEDIAN
SECONDARYPart A: Parent Impression of Efficacy and Tolerability of Study DrugVisit 3 (Day 14), Visit 4 (Week 4), Visit 5 (Week 8), Visit 6 (Week 10), and end of study.Efficacy Analysis Population: included all participants who received study drug for at least 14 days and underwent video EEG on Day 14.Units on a scaleMEAN
SECONDARYPart A: Percentage of Participants With a Partial Response to TreatmentDay 14Efficacy Analysis Population: included all participants who received study drug for at least 14 days and underwent video EEG on Day 14.Percentage of participantsNUMBER
SECONDARYPart A: Percentage of Complete Responders With RelapseDay 14Efficacy Analysis Population: included all participants who received study drug for at least 14 days and underwent video EEG on Day 14.Percentage of participantsNUMBER
SECONDARYPart A: Time to Complete Responder RelapseDay 14Efficacy Analysis Population: included all participants who received study drug for at least 14 days and underwent video EEG on Day 14.DaysNUMBER
SECONDARY
Part B: Parent Impression of Efficacy and Tolerability of Study Drug as Measured by the Change in Clinical Global Impression of Improvement Assessment (CGI-I), Responses at Every Visit Throughout Part B
Up to Week 64Due to concerns of participant confidentiality this outcome measure was not analyzed. Only 1 participant participated in Part B due to study termination.

Results by group16

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Part A: Percentage of Participants Who Are Considered Complete Responders at Day 14Cannabidiol Oral Solution: 20 or 40 mg/kg/Day BID14.3Percentage of participants
Part B: Percentage of Participants Experiencing Adverse Events (AEs), Treatment-Emergent AEs (TEAEs), and Serious Adverse Events (SAEs)Cannabidiol Oral Solution: 20 or 40 mg/kg/Day BIDAEs44.4Percentage of participants
Part B: Percentage of Participants Experiencing Adverse Events (AEs), Treatment-Emergent AEs (TEAEs), and Serious Adverse Events (SAEs)Cannabidiol Oral Solution: 20 or 40 mg/kg/Day BIDTEAEs33.3Percentage of participants
Part B: Percentage of Participants Experiencing Adverse Events (AEs), Treatment-Emergent AEs (TEAEs), and Serious Adverse Events (SAEs)Cannabidiol Oral Solution: 20 or 40 mg/kg/Day BIDSAEs0.0Percentage of participants
Part A: Percentage of Participants With Absence of Infantile Spasms at Day 14Cannabidiol Oral Solution: 20 or 40 mg/kg/Day BID42.9Percentage of participants
Part A: Percentage of Participants With Absence of Hypsarrhythmia at Day 14Cannabidiol Oral Solution: 20 or 40 mg/kg/Day BID42.9Percentage of participants
Part A: Median Reduction in Seizure-burden Comparing Video-EEG at Baseline to Repeat Video-EEG at Day 14Cannabidiol Oral Solution: 20 or 40 mg/kg/Day BIDVisit 1(Baseline)0.0Inter-Quartile Range 0 to 3Number of spasms
Part A: Median Reduction in Seizure-burden Comparing Video-EEG at Baseline to Repeat Video-EEG at Day 14Cannabidiol Oral Solution: 20 or 40 mg/kg/Day BIDVisit 3 (Day 14)9.0Inter-Quartile Range 8 to 10Number of spasms
Part A: Parent Impression of Efficacy and Tolerability of Study DrugCannabidiol Oral Solution: 20 or 40 mg/kg/Day BIDVisit 3 (Day 14)3.0Standard Deviation 1.0Units on a scale
Part A: Parent Impression of Efficacy and Tolerability of Study DrugCannabidiol Oral Solution: 20 or 40 mg/kg/Day BIDVisit 4 (Week 4)1.0Standard Deviation NAUnits on a scale

Participant flow3

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDCannabidiol Oral Solution: 20 or 40 mg/kg/Day BID9
Overall StudyCOMPLETEDCannabidiol Oral Solution: 20 or 40 mg/kg/Day BID7
Overall StudyNOT COMPLETEDCannabidiol Oral Solution: 20 or 40 mg/kg/Day BID2

Adverse events6

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
otherInfantile SpasmsNervous system disordersCannabidiol Oral Solution: 20-40 mg/kg/Day BID39
otherInfectionInfections and infestationsCannabidiol Oral Solution: 20-40 mg/kg/Day BID19
otherInfluenzaInfections and infestationsCannabidiol Oral Solution: 20-40 mg/kg/Day BID19
otherIrritabilityPsychiatric disordersCannabidiol Oral Solution: 20-40 mg/kg/Day BID19
otherSedationNervous system disordersCannabidiol Oral Solution: 20-40 mg/kg/Day BID19
otherUpper Respiratory Tract InfectionInfections and infestationsCannabidiol Oral Solution: 20-40 mg/kg/Day BID19

Adverse event totals3

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityCannabidiol Oral Solution: 20-40 mg/kg/Day BID09
Total, other adverse eventsCannabidiol Oral Solution: 20-40 mg/kg/Day BID49
Total, serious adverse eventsCannabidiol Oral Solution: 20-40 mg/kg/Day BID09

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
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
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT02551731

GET https://conductscience.org/api/trials/v1/NCT02551731/registered