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Ondansetron

Phase 2

Hematologic Diseases | Small molecule | Oncology |Merck & Company, Inc.|Last Updated: Jun 25, 2015

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment100
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00954941Ondansetron Versus Aprepitant Plus Ondansetron for EmesisPHASE2 COMPLETED 100Nov 1, 2009May 1, 2015Jun 25, 20151 United States
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Study Endpoints
Primary Endpoints
Participant Responses
First 6 treatment days

Participant response defined as: Complete response - no emetic episode, no nausea and no rescue medication during the administration of chemotherapy; Partial response - less than or equal to one episode of emesis in 24 hours, no rescue medication, and no more than moderate nausea (grade 2 National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE)) during chemotherapy. Vomit was defined as expulsion of stomach contents through the mouth, nausea as stomach distress with distaste for food and an urge to vomit, and rescue medication as antiemetic medications given to treat nausea and/or vomit that did not respond to the initial prophylactic regimen. Treatment success was defined as no nausea, no vomiting and no need for rescue medication within the first 6 treatment days with continuous monitoring.

Treatment Success Rate
First 6 treatment days

Treatment success is defined as no nausea, no vomiting and no need for rescue medication (or complete response) within the first 6 treatment days. Treatment success rate defined as percentage of participants achieving treatment success.

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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Group 1: OndansetronEXPERIMENTALOndansetron 8 mg bolus by vein from 30 minutes before receiving chemotherapy followed by 24 mg by vein continuous infusion daily while receiving chemotherapy until 12 hours after chemotherapy.
Group 2: Ondansetron + AprepitantACTIVE_COMPARATOROndansetron 8 mg bolus by vein from 30 minutes before receiving chemotherapy followed by 24 mg by vein continuous infusion daily while receiving chemotherapy until 12 hours after chemotherapy. Aprepitant 125 mg capsule by mouth every morning while receiving chemotherapy followed by 80 mg capsule by mouth daily while receiving chemotherapy continued till 1 day after last chemotherapy dose.
Interventions
NameTypeDescription
OndansetronDRUG8 mg bolus by vein from 30 minutes before receiving chemotherapy followed by 24 mg by vein continuous infusion daily while receiving chemotherapy until 12 hours after chemotherapy.
AprepitantDRUG125 mg capsule by mouth every morning while receiving chemotherapy followed by 80 mg capsule by mouth daily while receiving chemotherapy continued till 1 day after last chemotherapy dose.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: 1. Patients greater than or equal to 18 years of age. 2. Patients with a diagnosis of acute myelogenous leukemia, high-risk myelodysplastic syndrome, chronic myelogenous leukemia in blast crisis or acute undifferentiated leukemia who will receive chemotherapy with regimens conta...

Countries:United States
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