- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01294072
Study Investigating the Ability of Plant Exosomes to Deliver Curcumin to Normal and Colon Cancer Tissue
Phase I Clinical Trial Investigating the Ability of Plant Exosomes to Deliver Curcumin to Normal and Malignant Colon Tissue
Study Overview
Status
Conditions
Detailed Description
Curcumin is a constituent of the spice turmeric, which is one of the primary ingredients of curry powder. Curcumin has been shown to interfere with colon carcinogenesis in a variety of chemical and genetic rodent models. It has also been shown to have a strong inhibitory effect on the growth of colon cancer cell lines. There is considerable evidence that the effects of curcumin are mediated by changes in signal transduction. There is an extensive body of work showing effects on several signaling pathways, including the beta-catenin and NF-κB pathways. Although curcumin has been viewed as an ideal chemopreventative agent in colon cancer for many years, its application has been impeded by important issues with drug delivery and bioavailability in the reported clinical trials of this compound.
Work from the James Graham Brown Cancer Center published recently suggests that using exosomes as a delivery vehicle leads to overcoming all the major obstacles of using curcumin as an anti-inflammatory agent, including increased stability, solubility, and bioavailability of curcumin. The work was further extended to define the resource that can supply a large quantity of exosomes with a maximum binding capacity of curcumin. Emerging data indicate that exosomes derived from many fruits release exosome-like particles, strongly bind to many hydrophobic drugs including curcumin, and are taken up by the intestine cells as well as the immune cells in the intestine. These results suggest that these fruit-derived exosomes are potentially used as a delivery vehicle to treatment of intestinal diseases. Moreover, both fruit exosomes and curcumin should not generate any side-effects since they are consumed by humans daily.
In this clinical trial, the effect of exosomally delivered curcumin on the immune modulation, cellular metabolism, and phospholipid profile of normal and malignant colon cells in subjects who are undergoing surgery for newly diagnosed colon cancer will be characterized. In selected subjects, the effect of exosomally delivered curcumin on the production of cytokines, the changes of immune cells, and glucose metabolism by administration of 13C-glucose prior to surgical resection will also be characterized.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Gerald W Dryden Jr, MD, Ph.D
- Phone Number: 502-852-6991
- Email: gerald.dryden@louisville.edu
Study Locations
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Kentucky
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Louisville, Kentucky, United States, 40202
- Recruiting
- University of Louisville Hospital
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Principal Investigator:
- Gerald W Dryden, MD, Ph.D
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Subjects must have definitive diagnosis of colon cancer.
- Surgical resection of the primary tumor must be an option for the newly diagnosed cancer.
- No history of diabetes
- Subjects must be informed of the investigational nature of this study and sign and give written informed consent in accordance with institutional and federal guidelines.
- Absence of life-limiting medical conditions
- Ability to understand and willingness to sign a written informed consent document.
- Eastern Cooperative Oncology Group (ECOG) performance status 0, 1, or 2 (Karnofsky > 60%; see Appendix A).
- Subjects must have adequate bone marrow function. ANC > 1000/microliters (microL) and Platelet count >100,000/microL
- Age >20 years
Exclusion Criteria:
- Known familial colon cancer syndrome
- Pregnancy
- Known Human Immunodeficiency Virus (HIV)
- Patients receiving immunosuppressive drugs
- Inflammatory bowel disease
- Active second malignancy in the last 5 years
- Patients receiving any other investigational agent(s)
- Patients who have received any prior chemotherapy or radiation therapy to the primary colon cancer
- Intolerance to grapes, grapefruit, or curcumin
- History of diabetes mellitus
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Arm 1: Curcumin alone
Subjects take curcumin orally.
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tablets-3.6 gram (gm) taken daily for 7 days - 15 subjects
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Experimental: Arm 2: Curcumin with plant exosomes
Subjects take curcumin conjugated with plant exosomes.
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tablets-taken daily for 7 days - 15 subjects
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Experimental: Arm 3: no treatment
subjects will not take curcumin or plant exosomes
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no treatment
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Concentration of curcumin in normal and cancerous tissue
Time Frame: 7 days after start of curcumin ingestion
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Concentration of curcumin delivered with curcumin alone or curcumin conjugated with plant exosomes to normal and cancerous colon cells will be compared.
This exploratory trial is designed to estimate the effect of a fixed concentration of curcumin when delivered by plant exosomes compared to oral tablets of curcumin alone.
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7 days after start of curcumin ingestion
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
safety and tolerability of curcumin alone as determined by adverse events
Time Frame: 7 days after study enrollment
|
Curcumin will be taken orally.
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7 days after study enrollment
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effects of curcumin on normal and cancerous colon cells by measuring the biomarkers using histochemical staining
Time Frame: 7 days after patient enrollment
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7 days after patient enrollment
|
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the immune system response to curcumin, measured by serum cytokine levels
Time Frame: 7 days after patient enrollment in study
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7 days after patient enrollment in study
|
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immune response in ex vivo cell cultures of colon cancer cells treated with curcumin and Exo-cur, to be evaluated by using histochemical staining
Time Frame: 7 days after patient enrollment in study
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7 days after patient enrollment in study
|
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measurement of curcumin alone on metabolic characteristics of normal colon mucosa and colon tumors
Time Frame: 7 days after patient enrollment
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7 days after patient enrollment
|
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safety and tolerability of curcumin with plant exosomes as determined by adverse events
Time Frame: 7 days after study enrollment
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Curcumin and plant exosomes will be taken orally.
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7 days after study enrollment
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measurement of curcumin mixed with plant exosomes on metabolic characteristics of normal colon mucosa and colon tumors
Time Frame: 7 days after patient enrollment on study
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7 days after patient enrollment on study
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Gerald W Dryden Jr, MD, PhD, University of Louisville
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Primary Completion (Estimated)
Study Completion (Estimated)
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
Keywords
Additional Relevant MeSH Terms
- Digestive System Diseases
- Neoplasms
- Neoplasms by Site
- Gastrointestinal Neoplasms
- Digestive System Neoplasms
- Gastrointestinal Diseases
- Colonic Diseases
- Intestinal Diseases
- Intestinal Neoplasms
- Colorectal Neoplasms
- Colonic Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Analgesics
- Sensory System Agents
- Anti-Inflammatory Agents, Non-Steroidal
- Analgesics, Non-Narcotic
- Anti-Inflammatory Agents
- Antirheumatic Agents
- Antineoplastic Agents
- Curcumin
Other Study ID Numbers
- BCC-GI-10 Curcumin
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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National Cancer Institute (NCI)NSABP Foundation IncCompletedColon Adenocarcinoma | Stage IIIA Colon Cancer AJCC v7 | Stage IIIB Colon Cancer AJCC v7 | Stage IIIC Colon Cancer AJCC v7 | Stage IIA Colon Cancer AJCC v7 | Stage IIB Colon Cancer AJCC v7 | Stage IIC Colon Cancer AJCC v7United States
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National Cancer Institute (NCI)CompletedStage IIIA Rectal Cancer | Stage IIIB Rectal Cancer | Stage IIIC Rectal Cancer | Stage IIIA Colon Cancer | Stage IIIB Colon Cancer | Stage IIIC Colon Cancer | Recurrent Colon Cancer | Recurrent Rectal Cancer | Stage IVA Colon Cancer | Stage IVA Rectal Cancer | Stage IVB Colon Cancer | Stage IVB Rectal CancerUnited States
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