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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03182959
Other study ID # 1612032762
Secondary ID 5P50CA097190
Status Completed
Phase Early Phase 1
First received
Last updated
Start date April 24, 2017
Est. completion date January 19, 2021

Study information

Verified date June 2021
Source University of Arizona
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study is being done to see whether Avmacol®, a dietary supplement made from broccoli sprout and seed extract powder, induces changes in inner cheek cells that may be protective against environmental toxins such as tobacco. There are three main goals of the study: 1. To learn whether the dietary supplement, Avmacol®, can stimulate cheek cells to repair damage from environmental toxins; 2. to learn how the body metabolizes Avmacol®, by measuring its byproducts in the participant's urine and blood; 3. to learn whether the immune system can be stimulated by Avmacol®, by studying the natural killer cells and T cells in the participant's blood.


Description:

This study hypothesizes that nuclear factor erythroid 2-related factor 2 (NRF2) pathway activation in oral epithelium can be induced by administering Avmacol® to patients curatively treated for a first tobacco-related HNSCC. The aim of this Phase 0 clinical study is to determine the oral bioavailability of sulforaphane in the commercially available dietary supplement, Avmacol®, and to determine the level of pharmacodynamic upregulation of NRF2 target gene transcripts that occurs in the oral epithelium of patients who have completed curative treatment for tobacco-related HNSCC, including high grade dysplasia, carcinoma in situ, or invasive carcinoma.


Recruitment information / eligibility

Status Completed
Enrollment 6
Est. completion date January 19, 2021
Est. primary completion date January 1, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Patients must have completed curative-intent therapy (including surgery, radiation, and/or chemotherapy) for a first tobacco-related oral premalignant lesion (OPL) or HNSCC of any stage (eligible lesions include high grade dysplasia; carcinoma in situ; or stage I-IVa HNSCC). - Primary site may include oral cavity, pharynx, or larynx. Oropharynx primaries must be human papillomavirus (HPV) negative as defined by routine p16 IHC at the local site. - Patients may be enrolled between 3 months and 5 years AFTER completion of curative-intent therapy (including surgery, radiotherapy, and/or chemotherapy). - Patients may have untreated OPLs (i.e., hyperplasia, dysplasia, carcinoma in situ) at the time of study entry, provided the index OPL or HNSCC was definitively treated. - Patients must have a Karnofsky Performance Status of 80% or higher or an Eastern Cooperative Oncology Group (ECOG) of 0-1 - Current and former tobacco users are eligible. - Able to perform written, informed consent. - Women of childbearing potential (WCBP) must have a negative urine pregnancy test within 7 Days prior to the first study intervention. - WCBP and men must agree to use adequate contraception (hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately. Men treated or enrolled on this protocol must also agree to use adequate contraception prior to the study and for the duration of study participation. Exclusion Criteria: - Patient has a history of another malignancy within 2 years prior to starting study treatment, except for excised and cured carcinoma-in-situ of breast or cervix; non-melanomatous skin cancer; T1-2, N0, M0 differentiated thyroid carcinoma either resected or under active surveillance; superficial bladder cancer; T1a or T1b prostate cancer comprising < 5% of resected tissue with normal prostate specific antigen (PSA) since resection, or status post external beam radiation or brachytherapy with normal PSA since radiation. - Primary oropharyngeal HNSCC which is HPV (+) as defined by p16 immunohistochemistry. - Participants with acute intercurrent illness or those who had major surgery within the preceding 4 weeks unless they have fully recovered. - Participants who have a positive pregnancy test, are pregnant, or breast feeding. - Patients who are not practicing adequate contraception are ineligible if they are of child bearing potential. - Patients currently using anti-neoplastic or anti-tumor agents, including chemotherapy, radiation therapy, immunotherapy, and hormonal anticancer therapy. - Chronic anticoagulation with warfarin. Patients on low molecular weight heparin or fondaparinux may be enrolled. - Use of chronic prescribed medications which are potent inducers or inhibitors of CYP3A4 - Chronic use of steroids at immunosuppressive doses. - History of severe food intolerance to broccoli.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Avmacol®
Avmacol® tablets

Locations

Country Name City State
United States The University of Arizona Cancer Center Tucson Arizona

Sponsors (2)

Lead Sponsor Collaborator
University of Arizona National Cancer Institute (NCI)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Determine whether Avmacol® results in acute and/or sustained induction of NRF2 target gene transcripts in the oral mucosa of patients who have been curatively treated for a tobacco-related HNSCC. Quantitative changes in NRF2 target gene transcripts (i.e. NAD(P)H Quinone Dehydrogenase 1 [NQO1] and GCLC) in buccal cytobrush by quantitative polymerase chain reaction (qPCR) according to a linear mixed model framework. 4 months
Secondary Determine whether NRF2 target protein expression is upregulated by Avmacol® in the oral mucosa. Change in NRF2 target proteins in buccal punch biopsies by immunoblotting. 4 months
Secondary Evaluate for a dose-response relationship between Avmacol® dose and quantitative change in candidate NRF2 pathway biomarkers in oral mucosa. Acute change in NRF2 target gene transcripts, as compared to baseline, between the two doses of Avmacol®. 4 months
Secondary Evaluate oral mucosa for quantitative modulation of NRF2-independent biomarkers of sulforaphane (SF) chemopreventive efficacy, as defined in parallel preclinical models. Change in NRF2-independent proteins by immunoblotting, eg. STAT3, phospho-STAT3 (pSTAT3). 4 months
Secondary Evaluate biomarkers of Avmacol® activity in PBMCs gene expression Alterations in Peripheral Blood Mononuclear Cells (PBMC) gene expression patterns 4 months
Secondary Evaluate biomarkers of Avmacol® activity in PBMCs flow cytometry Alterations in Peripheral Blood Mononuclear Cells (PBMC) immune cell sub-populations 4 months
Secondary Evaluate biomarkers of Avmacol® activity in PBMCs functional assays of T cells and NK cells Alterations in Peripheral Blood Mononuclear Cells (PBMC) Tcell/ Natural Killer (NK) cell function 4 months
Secondary Evaluate cytokine biomarkers of Avmacol® activity in serum, including CXCL8, Interleukin 8 (IL8). Change in serum cytokine levels, as determined by multiplexed bead-based cytokine assays. 4 months
Secondary Measurement of serum albumin-bound SF using isotope dilution mass spectrometry. Sulforaphane metabolites will be assessed in overnight urine collected following the first dose of each cycle. The steady state concentration of broccoli seed preparations will be characterized by measuring albumin-bound sulforaphane in serum collected on the last day of each cycle. This assay represents an integrated measure of sulforaphane exposure, which will be correlated with biomarker modulation by means of repeated measures analysis of covariance. 4 months
Secondary Measure urinary metabolites of SF during administration of two doses of Avmacol®. Measurement of urinary metabolites of SF using isotope dilution mass spectrometry. 4 months
Secondary Description of safety profile in accordance with NCI CTCAE v.4. Patients will receive a diary for daily logging of adverse events. This will tabulated by Avmacol dose and type and grade of adverse events. The mean frequency and grade of events will be calculated by dose, and between-dose differences compared by means of mixed effects analysis of covariance. 4 months
Secondary Description of the proportion of patients with HNSCC primary tumors harboring genomic alteration of NRF2. Describe the genetic profile of NRF2 within the index HNSCC primary tumor in the target population.
Archived tumor specimens from the index tobacco-related head and neck squamous cell carcinoma will be collected. Tumor specimens analyzed for genomic alterations in NRF2 and related genes. The frequency of genomic alterations will be characterized.
4 months
Secondary Description of the proportion of patients with HNSCC primary tumors harboring genomic alteration of NRF2 related genes. Describe the genetic profile of other related genes within the index HNSCC primary tumor in the target population.
Archived tumor specimens from the index tobacco-related head and neck squamous cell carcinoma will be collected. Tumor specimens analyzed for genomic alterations in NRF2 and related genes. The frequency of genomic alterations will be characterized.
4 months
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