Chemotherapy-induced nausea and vomiting (CINV) are among the most bothersome symptoms during cancer treatment according to children and their parents. Most children receiving highly emetogenic chemotherapy (HEC), including those receiving hematopoietic stem cell transplant (HSCT) conditioning, experience CIV despite receiving antiemetic prophylaxis. Olanzapine improves CINV control in adult cancer patients, has a track record of safe use in children with psychiatric illness, does not interact with chemotherapy and is inexpensive. We hypothesize that the addition of olanzapine to standard antiemetics will improve chemotherapy-induced vomiting (CIV) control in children receiving highly emetogenic chemotherapy
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
TRIPLE
Enrollment
200
olanzapine 0.1 mg/kg/dose (maximum 10 mg/dose) by mouth as a single daily dose based on actual body weight
Placebo tablets that look like olanzapine and will be dosed as if they are olanzapine
University of California
San Francisco, California, United States
RECRUITINGThe Children's Mercy Hospital
Kansas City, Missouri, United States
RECRUITINGColumbia University/Morgan Stanley Children's Hospital
New York, New York, United States
WITHDRAWNUniversity of North Carolina at Chapel Hill
Chapel Hill, North Carolina, United States
RECRUITINGNationwide Children's Hospital
Columbus, Ohio, United States
RECRUITINGMedical University of South Carolina
Charleston, South Carolina, United States
RECRUITINGCancer Care Manitoba
Winnipeg, Manitoba, Canada
RECRUITINGHospital for Sick Children
Toronto, Ontario, Canada
RECRUITINGCentre Hospitalier Universitaire Sainte-Justine,
Montreal, Quebec, Canada
TERMINATEDAll India Institute of Medical Sciences
New Delhi, National Capital Territory of Delhi, India
RECRUITINGRate of CIV control during the acute phase
Complete CIV control is no vomiting/retching and no use of breakthrough antiemetic agents during phase
Time frame: up to 8 days
Rate of CIV control during the acute phase
Partial control is defined as no more than two vomits or retches during any 24-hr period
Time frame: up to 8 days
complete and partial CINV control
Complete CIV control is no vomiting/retching and no use of breakthrough antiemetic agents during phase, Partial control is defined as no more than two vomits or retches during any 24-hr period
Time frame: up to 1 month
Safety profile of olanzapine based on toxicities
Based on descriptive statistics on reported toxicities.
Time frame: up to 1 month
Safety profile of olanzapine based on weight
Based on descriptive statistics on reported body weight
Time frame: up to 1 month
Safety profile of olanzapine based on Pediatric Adverse Event Rating Scale (PAERs)
Based on descriptive statistics on reported PAERs, will describe the most reported and most bothersome adverse events reported in the PAERs questionnaire.
Time frame: up to 1 month
Safety profile of olanzapine based on prolactin
Based on descriptive statistics on reported prolactin, will report incidence of abnormal prolactin values comparing the two arms
Time frame: up to 1 month
Safety profile of olanzapine based on amylase
Based on descriptive statistics on reported amylase, will report incidence of abnormal amylase values comparing the two arms
Time frame: up to 1 month
Safety profile of olanzapine based on creatine phophotase
Based on descriptive statistics on reported creatine phophotase, will report incidence of abnormal creatine phophotase values comparing the two arms
Time frame: up to 1 month
Safety profile of olanzapine based on triglycerides
Based on descriptive statistics on reported triglycerides, will report incidence of abnormal triglyceride values comparing the two arms
Time frame: up to 1 month
Impact of olanzapine on HSCT outcomes on incidence of veno-occlusive disease
Looking at incidence of veno-occlusive disease
Time frame: From first HSCT conditioning dose until 100 days post-HSCT
Impact of olanzapine on HSCT outcomes on incidence of GVHD
Looking at incidence of GVHD between the two arms
Time frame: From first HSCT conditioning dose until 100 days post-HSCT
Impact of olanzapine on HSCT outcomes on severity of GVHD
Comparing the incidence of the different maximal grades of GVHD between the two arms
Time frame: From first HSCT conditioning dose until 100 days post-HSCT
Association between PeNAT and MASCC Antiemesis Tool (MAT) scores
taking maximum daily PeNAT scale score and maximum nausea experience in MAT will estimate the degree of association between PeNAT and MAT
Time frame: up to 1 month
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