Medical Cannabis Observational Study for Antiemetic Intervention in Chemotherapy
MOSAIC
1 other identifier
observational
50
1 country
1
Brief Summary
The goal of this observational study is to evaluate the associations between patient-directed medical cannabis use and chemotherapy-induced nausea and vomiting (CINV), as well as other treatment-related symptoms, among patients receiving chemotherapy that is known to cause nausea. The main questions it aims to answer are:
- Is patient-directed medical cannabis use associated with reduced nausea severity during chemotherapy treatment?
- Is-patient directed medical cannabis use associated with improved CINV control?
- Is patient directed medical cannabis use associated with improved appetite during chemotherapy treatment?
- Is patient-medical cannabis use associated with reduced treatment-related side effects, such as fatigue, sleep disturbances, general pain, and peripheral neuropathic pain? Researchers will compare participants who report using medical cannabis with participants who do not report using medical cannabis to determine whether differences exist in nausea, CINV outcomes, and other treatment-related symptoms. Participants will be followed over the course of 3 chemotherapy cycles, and asked to complete questionnaires, nausea diaries, and partake in a blood sample collection. Study participation can last from 6 - 12 weeks, depending on their prescribed chemotherapy cycle frequency.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for all trials
Started Sep 2026
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
January 16, 2026
CompletedFirst Posted
Study publicly available on registry
January 29, 2026
CompletedStudy Start
First participant enrolled
September 1, 2026
ExpectedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2028
Study Completion
Last participant's last visit for all outcomes
March 1, 2028
June 9, 2026
June 1, 2026
1.5 years
January 16, 2026
June 4, 2026
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Average and Maximum Nausea Severity as Measured by the Nausea and Vomiting Diary
Average nausea severity will be measured using a participant completed nausea and vomiting diary. Nausea severity is rated on an 11 point numeric scale anchored by "Not at all nauseated" (0) and "Extremely nauseated" (10). Average nausea is calculated as the mean of up to 15 assessment points, including afternoon, evening, and night on Day 1 and morning, afternoon, evening, and night on Days 2 through 4. Higher scores indicate greater nausea severity. Scores will be set to missing if 11 or more of the 15 assessments are missing. Maximum nausea severity will be measured using a participant-completed nausea and vomiting diary. Nausea severity is rated on an 11-point numeric scale anchored by "Not at all nauseated" (0) and "Extremely nauseated" (10). Maximum nausea is defined as the highest nausea rating reported across the same 15 assessment points.
Days 1-4 following chemotherapy administration during up to 3 on-study chemotherapy cycles (Day 1 defined as the day of chemotherapy administration; each chemotherapy cycle is 14-28 days, depending on regimen)
Number of Emesis Episodes Recorded in the Nausea and Vomiting Diary
Emesis episodes will be recorded daily by participants using the nausea and vomiting diary. The outcome is the total number of vomiting episodes recorded during the assessment period.
Days 1-4 following chemotherapy administration during up to 3 on-study chemotherapy cycles (Day 1 defined as the day of chemotherapy administration; each chemotherapy cycle is 14-28 days, depending on regimen)
Secondary Outcomes (19)
Complete Protection From Chemotherapy Induced Nausea and Vomiting
Days 1-4 following chemotherapy administration during up to 3 on-study chemotherapy cycles (Day 1 defined as the day of chemotherapy administration; each chemotherapy cycle is 14-28 days, depending on regimen)
Complete Control of Chemotherapy Induced Nausea and Vomiting
Days 1-4 following chemotherapy administration during up to 3 on-study chemotherapy cycles (Day 1 defined as the day of chemotherapy administration; each chemotherapy cycle is 14-28 days, depending on regimen)
Complete Response to Chemotherapy Induced Nausea and Vomiting
Days 1-4 following chemotherapy administration during up to 3 on-study chemotherapy cycles (Day 1 defined as the day of chemotherapy administration; each chemotherapy cycle is 14-28 days, depending on regimen)
Change in Appetite as Measured by the University of Rochester Cancer Center (URCC) Symptom Inventory
Baseline (within 7 days before chemotherapy) and Day 4 following chemotherapy during Cycles 1 and 3; post-cycle questionnaires completed on Day 4 or within 48 hours (Day 1 defined as the day of chemotherapy administration; cycles are 14-28 days).
Change in Appetite Related Quality of Life as Measured by the Functional Assessment of Anorexia Cachexia Therapy Questionnaire
Baseline (within 7 days before chemotherapy) and Day 4 following chemotherapy during Cycles 1 and 3; post-cycle questionnaires completed on Day 4 or within 48 hours (Day 1 defined as the day of chemotherapy administration; cycles are 14-28 days).
- +14 more secondary outcomes
Study Arms (2)
Cannabis Use Group
Participants who independently choose to obtain and use Medical Cannabis during chemotherapy.
Standard Care Group
Participants who choose not to use cannabis and continue with antiemetic therapy as prescribed by their oncology care team.
Interventions
Eligibility Criteria
The MOSAIC study aims to enroll 50 participants. The study population consists of both males and females, aged 21 years or older, who are initiating first-line moderately or highly emetogenic chemotherapy, as defined by MASCC/NCCN criteria. Participants must be able to understand and communicate in English, and meet the various inclusion and exclusion criteria to be enrolled into this study.
You may qualify if:
- Have a diagnosis of cancer with no previous chemotherapy treatments (aside from current treatment)
- Be scheduled to receive treatment with a chemotherapeutic agent that is classified by the National Comprehensive Cancer Network (NCCN) as having a high emetogenic potential (\>90% incidence) or moderate emetogenic potential (30-90% incidence).
- Must be scheduled for a minimum of 3 additional chemotherapy cycles at the time of enrollment.
- Chemotherapy agents may be given intravenously or orally.
- Chemotherapy cycles must be at least two weeks apart.
- For the purposes of this study, Day 1 is defined as the day of chemotherapy administration.
- Chemotherapy may be for adjuvant, neoadjuvant, curative, or palliative intent.
- Highly emetogenic - common types of chemotherapy
- AC combination defined as any chemotherapy regimen that contains an anthracycline and cyclophosphamide
- Carboplatin AUC ≥4
- Carmustine \>250 mg/m2
- Cisplatin
- Cyclophosphamide \>1,500 mg/m2
- Dacarbazine
- Doxorubicin ≥60 mg/m2
- +37 more criteria
You may not qualify if:
- Participants must not:
- Use of any THC-containing cannabis products within 30 days prior to enrollment, verified by participant self-report.
- Allowable: Use of hemp-derived CBD products containing \< 0.3 % THC is permitted, consistent with the 2018 Agriculture Improvement Act (federal definition of hemp). Use of CBD products will be documented in baseline case report forms.
- Have any allergies to cannabis or contraindication for cannabis.
- Have an active or recent (\< 6 months) substance use disorder, as determined by medical history.
- Have recently quit smoking (\< 6 months) or are actively engaged in a smoking-cessation program.
- Have a history of severe anxiety or paranoia on prior exposure to cannabis.
- Have a previous diagnosis of bipolar disorder or schizophrenia.
- Be pregnant or nursing.
- Have had a prior stroke.
- Have moderate or severe chronic obstructive pulmonary disease (COPD), defined as FEV₁ \< 50 % predicted or current use of home supplemental oxygen.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
University of Rochester Medical Center
Rochester, New York, 14642, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor - Department of Surgery, Cancer Control (SMD)
Study Record Dates
First Submitted
January 16, 2026
First Posted
January 29, 2026
Study Start (Estimated)
September 1, 2026
Primary Completion (Estimated)
March 1, 2028
Study Completion (Estimated)
March 1, 2028
Last Updated
June 9, 2026
Record last verified: 2026-06
Data Sharing
- IPD Sharing
- Will share
De-identified individual participant data (IPD) underlying the primary and secondary outcome analyses will be made available upon reasonable request. Shared data will include analyzable datasets necessary to reproduce reported results.