Olanzapine Versus Placebo for Moderately Emetogenic Chemotherapy
A Prospective Randomized, Double-blind Controlled Trial of Olanzapine Versus Placebo in Addition to Ondansetron Plus Dexamethasone As Antiemetic Prophylaxis in Patients Receiving Moderately Emetogenic Chemotherapy
1 other identifier
interventional
140
1 country
1
Brief Summary
A study comparing efficacy of olanzapine versus placebo to prevent nausea and vomiting from moderate emetic risk chemotherapy
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Jan 2025
Shorter than P25 for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 7, 2024
CompletedStudy Start
First participant enrolled
January 10, 2025
CompletedFirst Posted
Study publicly available on registry
February 27, 2025
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 10, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
January 31, 2026
CompletedFebruary 27, 2025
November 1, 2024
1 year
November 7, 2024
February 21, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
total protection rate of nausea and vomiting
Proportion of patients without vomiting or requiring rescue therapy and VAS nausea score of less than 25 mm
5 days
Secondary Outcomes (6)
no nausea rate
5 days
severity of nausea and vomiting
5 days
adverse events
5 days
rescue therapy
5 days
quality of life score
5 days
- +1 more secondary outcomes
Study Arms (2)
olanzapine
EXPERIMENTALolanzapine 5 mg on day 1-4
placebo
PLACEBO COMPARATORplacebo 5 mg day 1-4
Interventions
Eligibility Criteria
You may qualify if:
- histologically confirmed cancer patients who will be started on first dose of oxaliplatin, irinotecan or carboplatin
- age of \>18 years old
You may not qualify if:
- pregnancy or breast feeding
- has emetic episode within 24 hours
- gut obstruction
- uncontrolled brain metastasis
- allergy to or current use of olanzapine
- concomittant moderate or high emetogenic chemotherapy on day 2-5
- Total bilirubin \> 2 mg/dl or creatinine clearance \< 30 ml/min
- unable to swallow drug
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Faculty of Medicine Siriraj Hospital, Mahidol University
Bangkok, Bangkok, 10700, Thailand
Related Publications (2)
Shen J, Zhao J, Jin G, Li H, Jiang Y, Wu Y, Gao J, Chen F, Li J, Wang W, Li Q. A prospective randomized controlled clinical trial investigating the efficacy of low-dose olanzapine in preventing nausea and vomiting associated with oxaliplatin-based and irinotecan-based chemotherapy. J Cancer Res Clin Oncol. 2024 May 28;150(5):283. doi: 10.1007/s00432-024-05712-7.
PMID: 38806870BACKGROUNDYamamoto S, Iihara H, Uozumi R, Kawazoe H, Tanaka K, Fujita Y, Abe M, Imai H, Karayama M, Hayasaki Y, Hirose C, Suda T, Nakamura K, Suzuki A, Ohno Y, Morishige KI, Inui N. Efficacy and safety of 5 mg olanzapine for nausea and vomiting management in cancer patients receiving carboplatin: integrated study of three prospective multicenter phase II trials. BMC Cancer. 2021 Jul 19;21(1):832. doi: 10.1186/s12885-021-08572-3.
PMID: 34281514BACKGROUND
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- SUPPORTIVE CARE
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate professor
Study Record Dates
First Submitted
November 7, 2024
First Posted
February 27, 2025
Study Start
January 10, 2025
Primary Completion
January 10, 2026
Study Completion
January 31, 2026
Last Updated
February 27, 2025
Record last verified: 2024-11
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, CSR
- Time Frame
- After study completion and published, lasting for 5 years
- Access Criteria
- The IPD will be provided upon request by email.
IPD will be shared upon request