- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02512718
Safety and Tolerability of Intravenous Fish Oil Lipid Emulsion in Children Undergoing Hematopoietic Cell Transplantation
Children undergoing hematopoietic cell transplantation (HCT) for cancer or blood disorders frequently develop gastrointestinal, metabolic and infectious complications related to preparative high-dose chemotherapy and/or radiation-related toxicity. Parenteral nutrition (PN) with lipid emulsion is commonly required while gastrointestinal complications preclude adequate oral or enteral intake. PN and lipids may increase the risk of metabolic and infectious complications in HCT patients who are inherently immune compromised.
Supplementation with omega-3 fatty acids has been linked to improvements in outcomes in several populations. Provision of fish oil lipid emulsion (FOLE), rich in omega-3 fatty acids, to children undergoing HCT is an innovative nutritional strategy that could mitigate the metabolic and inflammatory side effects of HCT and its treatment. With its potential to safely maintain essential fatty acid status, normalize blood lipids and alleviate the inflammatory response to illness, the use of FOLE may reduce the risk of infections, regimen-related toxicity, and other morbidities after HCT.
A randomized, controlled pilot study is proposed to test the safety and tolerability of FOLE, compared to standard lipid emulsion, in 20 children during hospitalization for HCT. Results of this study will provide the preliminary data needed for a larger clinical trial examining the effect of FOLE on important clinical outcomes in this population. This novel approach to nutritional care of this high-risk group will advance clinical knowledge of the impact of FOLE, and will support further investigation into nutritional adjuncts to pediatric cancer treatment.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Parenteral nutrition (PN) is often necessary for children undergoing allogeneic allogeneic bone marrow, cord, or peripheral blood stem cell (from any donor, including haploidentical donor) hematopoietic cell transplantation (HCT) to avoid malnutrition and growth failure due to the gastrointestinal toxicity associated with preparative myeloablative conditioning regimens. Intravenous lipid emulsion is a required component of PN to provide energy and essential fatty acids when oral or enteral intake is nil or minimal. Soybean oil lipid emulsion (SOLE) is the standard lipid emulsion used in PN. Complications such as metabolic instability, cholestasis, hypertriglyceridemia, and anorexia, which are common during HCT, may also be attributable to the SOLE component of PN. Fish oil based lipid emulsion (FOLE) is used in certain populations and is associated with improved outcomes, specifically in infants with intestinal failure and PN associated cholestasis. It has been reported that supplementation with omega-3 fatty acids from fish oil emulsion may preserve lean body mass, improve quality of life, and decrease length of hospital stay. Provision of FOLE to children undergoing HCT is a novel and innovative strategy to potentially mitigate the metabolic and inflammatory side effects of HCT and its treatment.
HYPOTHESIS: The provision of FOLE is safe and well tolerated in children following HCT. Our aims are to determine the safety profile (as measured by the number of grade 2 or higher adverse events) and tolerability of intravenous FOLE (as measured by serum fatty acid profiles) among children undergoing HCT compared to children receiving SOLE.
HYPOTHESIS: The provision of FOLE is associated with reduced incidence of hypertriglyceridemia in children following HCT, compared to children receiving SOLE and our aim is to determine the number (and percentage) of subjects with fasting hypertriglyceridemia during the trial. To explore trends in associations with other relevant outcomes, other exploratory outcomes (inflammatory biomarkers, body composition measurements, and quality of life indicators) will be assessed in both groups of children following HCT.
METHODS: This is a randomized, controlled, unblinded pilot study to test the safety and tolerability of FOLE, compared to standard SOLE, in children hospitalized for HCT with an underlying hematologic malignancy or myelodysplasic syndrome.
Children cared for in the Dana-Farber Cancer Institute/Boston Children's Cancer and Blood Disorders Center and who will be admitted to BCH for allogeneic HCT will be enrolled (10 subjects in each arm). Patients will be included if they meet all of the entry criteria and none of the exclusion criteria.
All enrolled subjects will receive standard transplant and medical care per HCT guidelines and protocols. A baseline study visit will occur between 14 and 7 days prior to transplant day (day 0). Regardless of enteral intake, at day 0, subjects will be randomized to either control or experimental lipid infusion. The experimental group will receive FOLE and the control group will receive SOLE beginning at day 0 of HCT. All patients, in both the control and experimental groups, will receive standard nutritional care as follows:
- The energy goal for each patient will be the measured resting energy expenditure REE, or the estimated energy expenditure determined and calculated by the clinical dietitian, to be provided by oral, enteral, and/or parenteral energy intake. Intravenous lipids will provide approximately 10 kcal/kg/day. Energy intake from other sources (oral intake, enteral feeding, PN) will be titrated to meet the individualized energy goal, accounting for the contribution from intravenous lipids.
- PN (i.e., dextrose/amino acids) will be initiated if oral or enteral energy intake declines to less than estimated or measured (REE) for >3-5 days, but no earlier than "day 0" of the transplant course.
- Amino acids in PN will be provided according to standard, age-adjusted estimations, minus any contributions from oral or enteral protein intake.
- Lipids will be provided to all enrolled subjects at 1 g/kg/day. On the first day of the lipid infusion, lipids will be infused over 18 hours through a central or peripheral venous line per standard procedures.
- A lipid panel will be obtained 4 hours after the 1st lipid infusion is completed and while the subject is nil per os (NPO) for at least 2 hours.
- Should the subject have hypertriglyceridemia >500 mg/dL with associated abdominal pain, an amylase/lipase level will be drawn to screen for pancreatitis.
- If required (or requested) and after tolerating day 1 of the initial 18-hour lipid infusion, the lipid infusion rate may be changed and lipids may be infused over a range of 8 to 20 hours if the rate does not exceed the maximal lipid infusion rate
- The control group will receive standard SOLE, a 20% lipid solution (Intralipid®, Baxter Healthcare, Deerfield, IL, USA).
- The experimental group will receive FOLE (Omegaven®, Fresenius Kabi AG, Bad Homburg v.d.h., Germany), a 10% lipid solution. The experimental product, Omegaven®, will be purchased from the manufacturer, stored in BCH Research Pharmacy, and labeled appropriately. The experimental product will not be altered in any way from its original manufactured state and may be infused in the same manner as standard SOLE.
- After engraftment occurs (3 consecutive days with absolute neutrophil count >500), lipids will be discontinued at day 30, if clinically indicated, or when the patient is ready for hospital discharge, whichever comes first.
- Lipid rates of 0.15 g fat/kg/hour have been associated with fat overload syndrome; all rates are below this threshold.
Standardized demographic and clinical assessments of all study participants will be performed via medical record review concomitant with the hospitalization and selected clinic visits. Data will include medical record number, underlying diagnosis, type of donor, date of transplant, date of birth, gender, conditioning and prophylactic medication regimens. Results of routine laboratory tests (serum chemistries, blood cell counts) will be recorded twice weekly. Essential fatty acid profiles, pediatric lipid panels, and inflammatory markers will be assessed at specified intervals.
Body weight will be measured by an electronic digital scale accurate to 0.1 kg (same scale used at all visits). Standing height will be measured by stadiometer to the nearest 0.1 cm (same stadiometer used at all visits). Oral and enteral nutrient intake during the inpatient admission period of the study will be evaluated through standard nursing documentation and calorie counts. Daily calorie counts are routine practice in the HCT unit. Nutrient intake will be tabulated from 24-hour recall at outpatient visits. The total enteral and oral intake of calories, protein, carbohydrate, and fat will be calculated by nutrient analysis software (ESHA Food Processor, ESHA Research, Inc., Salem, OR). Parenteral intake will be calculated by the BCH pharmacy's specifications for PN, lipid emulsions, and intravenous fluid. The Pediatric Quality of Life Inventory (Peds QL 4.0) Generic Core and SCT Modules are reliable, validated tools for measuring health related quality of life in children and adolescents ages 2 to 18 with items specific to children who have had HCT. Separate parent and age-appropriate child questionnaires that address similar questions regarding quality of life will be administered at baseline, day +30, and day +100. Air-displacement plethysmography (ADP) is a non-invasive, quick and accurate measure of body density. ADP (BOD POD, Cosmed USA, Concord CA) will be used at specified intervals to estimate body composition (percent body fat and percent lean mass) in subjects.
Individual subjects will be withdrawn from the study if they develop:
- uncontrolled bleeding attributed to the use of Omegaven
- persistent fasting hypertriglyceridemia (triglyceride level > 500 mg/dl on 3 separate occasions, obtained 4 hours after the lipid infusion has been completed and while the subject is NPO for at least 2 hours)
- persistent essential fatty acid deficiency (triene:tetraene >0.2 for 2 consecutive measurements)
- intolerance or allergy to the assigned lipid emulsion
- parent or guardian request
- principal investigator believes withdrawal is in the best medical interest of the patient
- baseline fasting (NPO for 2 hours) triglyceride level > 500 mg/dL on 2 consecutive measurements
Study discontinuation will occur:
- upon recommendation of the data and safety monitoring board
- two or more serious adverse events, occurring across different subjects, possibly or probably related to study participation.
Adverse events for each study arm will be tabulated and categorized by grade. Incidence of adverse events will be presented graphically in a dot plot with each adverse event listed on the vertical axis, incidence displayed as a percentage on the horizontal axis, with different markers for each study. The primary endpoint, the number of adverse events that are grade 2 or higher, will be summarized as mean ± SD. Comparison of the primary endpoint across study arms will be assessed by the two one-sided tests procedure.
This consists of testing:
H1o: μFOLE - μSOLE ≤ θ1 vs H1a: μFOLE - μSOLE > θ1 H2o: μFOLE - μSOLE ≥ θ2 vs H2a: μFOLE - μSOLE < θ2. Equivalence will be declared only if both H1o and H2o are rejected, each at α = 0.05. This is equivalent to testing that the 1 - 2α confidence interval for μFOLE - μSOLE is contained within the equivalence interval [θ1, θ2]. If the distribution of adverse events is more skewed than expected, then a lognormal distribution will be assumed.
Study Type
Enrollment (Actual)
Phase
- Phase 1
Contacts and Locations
Study Contact
- Name: Alexandra N Carey, MD
- Phone Number: 8572183612
- Email: alexandra.carey@childrens.harvard.edu
Study Contact Backup
- Name: Erica Denhoff, MPH, CCRP
- Phone Number: 8572184714
- Email: Erica.Denhoff@childrens.harvard.edu
Study Locations
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-
Massachusetts
-
Boston, Massachusetts, United States, 02115
- Boston Children's Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion:
- Planned myeloablative allogeneic bone marrow, cord, or peripheral blood stem cell (from any donor, including haploidentical donor) HCT conditioning regimen using either TBI (planned cumulative dose >1100cGy) or busulfan in addition to other chemotherapeutic agents
- Planned related or unrelated bone marrow donor matched at a minimum of out of 10 human leukocyte antigen (HLA) loci (HLA-A, -B, -C, -DRB1, and -DQ), or planned related or unrelated cord blood donor matched at a minimum of 4 out of 6 HLA loci (HLA-A, -B, and -DRB1), or a haplo- identical related donor; typing must be at the allele level for unrelated donors, antigen level typing is acceptable for related donors
- Diagnosis of a hematological malignancy including myelodysplasia.
Exclusion:
- Unable or unwilling to return for day +30 or day +100 testing
- GVHD prophylaxis that includes rapamycin
Allergy to egg, fish (including seafood and/or shellfish), or soy/legume products
a. Patients with egg, fish (including seafood and/or shellfish), or soy/legume intolerance without a documented allergy may still be included at the discretion of the PI and patient/family
- Other contraindication to PN or intravenous lipids
- Unstable diabetes mellitus
- Stroke, cardiac infarction or embolism within 6 months prior to HCT OR current, ongoing treatment for stroke, infarction, and/or embolism
- Undefined coma status,
- Lipid nephrosis,
- Pathological hyperlipidemia (2 consecutive fasting triglyceride levels > 500 mg/dL),
- Active/acute pancreatitis with hyperlipidemia (fasting triglyceride levels > 500 mg/dL) (see section 3.5 for specific diagnostic criteria),
- History of parenteral nutrition (PN) use with any intravenous lipid product or use of any intravenous lipid product without PN within 6 months prior to HCT
- Co-enrollment in other interventional clinical studies.
Clinically significant pleural or pericardial effusion
a) If a pleural or pericardial effusion is noted on the pre-transplant testing echocardiogram, the PI will contact the cardiologist to ask if it is clinically significant. If clinically insignificant pleural or pericardial effusion exists at baseline AND the patient is randomized to FOLE, the PI will seek approval for inclusion with the primary attending and decide upon appropriate monitoring to include close clinical observation, cardiology consultation and/or serial echocardiograms where appropriate.
- Aluminum toxicity, especially in patients with renal impairment
- Risk of infection
- Refeeding syndrome
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Fish Oil Lipid Emulsion
1 g/kg intravenous fish oil lipid emulsion (Omegaven) daily, provided starting day of transplant through day 30 or hospital discharge, whichever comes first.
|
Comparison of FOLE vs. SOLE
Other Names:
|
Active Comparator: Soybean Oil Lipid Emulsion
1 g/kg intravenous soybean oil lipid emulsion (SOLE) daily, provided starting day of transplant through day 30 or hospital discharge, whichever comes first.
|
Comparison of FOLE vs. SOLE
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of adverse events
Time Frame: From baseline to 100 days following stem cell transplantation
|
Number and type of adverse events, categorized according to NCI Common Toxicity Criteria
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From baseline to 100 days following stem cell transplantation
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Essential fatty acid levels
Time Frame: Baseline, weekly for 4 weeks, 30 & 100 days following stem cell transplantation
|
Essential fatty acid pane, triene:tetraene ratio
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Baseline, weekly for 4 weeks, 30 & 100 days following stem cell transplantation
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Triglyceride levels
Time Frame: Baseline, weekly for 4 weeks, 30 & 100 days following stem cell transplantation
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Incidence of serum fasting triglyceride levels > 200 mg/dl
|
Baseline, weekly for 4 weeks, 30 & 100 days following stem cell transplantation
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Inflammatory markers
Time Frame: Baseline, weekly for 4 weeks, 30 & 100 days following stem cell transplantation
|
Levels of inflammation
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Baseline, weekly for 4 weeks, 30 & 100 days following stem cell transplantation
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Quality of life assessment
Time Frame: Baseline, 30 & 100 days following stem cell transplantation
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Validated quality of life measure (Peds QL) to measure quality of life
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Baseline, 30 & 100 days following stem cell transplantation
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Body composition
Time Frame: Baseline, 30 & 100 days following stem cell transplantation
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Air-displacement plethysmography
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Baseline, 30 & 100 days following stem cell transplantation
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Alexandra N Carey, MD, Boston Children's Hospital
- Study Director: Christopher Duggan, MD, MPH, Boston Children's Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- P00016641
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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