Iodine Supplementation on Breast Cancer

September 26, 2018 updated by: Carmen Aceves, Universidad Nacional Autonoma de Mexico

Effect of Dietary Iodine Supplementation on the Proliferation of Breast Cancer

The trial investigates the effect of oral supplement of molecular iodine (I2) alone and in combination with 4 to 6 cycles of FEC/TE (5-fluorouracil, epirubicin, cyclophosphamide/taxotere, epirubicin) treatment in woman diagnosticated with early (stage II) and advance (stage III) breast cancer, respectively. The study analyzes the clinical response [tumor size, thyroid status, side effects (Common Toxicity Criteria V4.0)] and molecular mechanisms in the tumor samples (transcriptomic, proteins and immune responses).

Study Overview

Detailed Description

The leading causes of failure of breast cancer treatment are the rapid development of metastases and tumor resistance to antineoplastic drugs. Anthracyclines (doxorubicin (DOX), epirubicin, etc.) are the golden standard in neoadjuvant therapy and are commonly used in the FEC/TE (5-fluorouracil, epirubicin, cyclophosphamide/taxotere, epirubicin) combination therapy during advanced breast cancer. However, even when treated with this potent chemotherapeutic combination, 30% of patients develop chemoresistance and cardiomyopathic side effects. Previous studies support that the oral supplement of molecular iodine (I2) exerts synergistic antineoplastic and cardioprotective impact when used in combination with the DOX in rodent and canine mammary cancer model. The present study performed two randomized clinical groups including women with early (stage II) and advanced (stage III) breast cancer. In the Early group, women were treated with I2 (5 mg/day) or placebo (colored water) for 7 to 35 days. In the Advanced group, patients received treatment (I2 or placebo) along with 4 to 6 cycles of FEC/TE treatment. The study analyzes the clinical response [tumor size, thyroid status, side effects (Common Toxicity Criteria V4.0)] and molecular mechanisms in the tumor samples (transcriptomic, proteins and immune responses).

Study Type

Interventional

Enrollment (Anticipated)

120

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

  • Name: Carmen Aceves, PhD
  • Phone Number: 52 442 2381067
  • Email: caracev@unam.mx

Study Locations

    • Queretaro
      • Querétaro, Queretaro, Mexico, 76001
        • Recruiting
        • Clínica Hospital Dr. Ismael Vázquez Ortiz ISSSTE
        • Contact:
        • Contact:
      • Querétaro, Queretaro, Mexico, 76001
        • Recruiting
        • Hospital General Regional #1 IMSS
        • Contact:
        • Contact:
      • Querétaro City, Queretaro, Mexico, 76000
        • Recruiting
        • Hospital Médico TEC100
        • Contact:

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

16 years to 79 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • Histologically confirmed, stage II or III breast cancer
  • Scheduled to surgical of the primary tumor (stage II)
  • Will receive neoadjuvant FEC/TE chemotherapy (stage III).
  • age > 18 and < 81 years
  • Non-pregnant
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1

Exclusion Criteria:

  • Known sensitivity to iodine or FEC/TE
  • Concurrent severe and/or uncontrolled disease
  • Myocardial infarction within the last six months before the study
  • Unstable or uncontrolled hypertension
  • Thyroid dysfunction

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: Early Cancer placebo

The daily supplement of a vegetable colored water solution (drops) for 7 to 35 days in early breast cancer diagnosticated woman.

Placebo: vegetable colored water solution (drops). Evaluate the activity of placebo on tumor size, and molecular tumor response, as well as side effects attenuation

Selected patients with early breast cancer (stage II) non-pretreated received colored water solution (placebo) within the time before the hospital assigned them to her surgery (7 to 35 days).
Other Names:
  • control
Experimental: Early Cancer Iodine
The daily supplement of an iodine solution (drops, 5 mg/day) for 7 to 35 days in early breast cancer diagnosticated woman
Selected patients with early breast cancer (stage II) non-pretreated received iodine solution (Experimental) within the time before the hospital assigned them to her surgery (7 to 35 days).
Other Names:
  • experimental
Placebo Comparator: Advanced Cancer FEC/TE placebo

The daily supplement of an vegetable colored water solution (drops) within 4 to 6 cycles of chemotherapy with FEC/TE in advanced breast cancer diagnosticated woman.

Placebo: vegetable colored water solution (drops). Evaluate the adjuvancy of placebo in FEC/TE treatment on tumor size and molecular tumor response, as well as side effects attenuation.

The selected patients with advanced breast cancer (stage III) non-pretreated received colored water solution (placebo) within the time of oncology designed chemotherapy treatment FEC/TE (4 or 6 cycles/ every 21 days).
Experimental: Advanced Cancer FEC/TE + Iodine

The daily supplement of an iodine solution (drops, 5 mg/day) within 4 to 6 cycles of chemotherapy with FEC/TE in advanced breast cancer diagnosticated woman Drug: Iodine solution (5 mg/day). Evaluate the adjuvancy of I2 on FEC/TE treatment on tumor size and molecular tumor response, as well as side effects attenuation.

Other Name: evaluating the adjuvancy of iodine supplement in FEC/TE treatment

The selected patients with advanced breast cancer (stage III) non-pretreated received iodine solution (experimental) within the time of oncology designed chemotherapy treatment (4 or 6 cycles/ every 21 days).

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Tumor response [change in size]
Time Frame: 20 minutes
The size of the tumor is calculated by measuring the largest diameter of the tumor in the axial plane. The first measurement is obtained in the mammography taken before the start of the protocol and the second measurement is made on the tissue after surgery. The change percentage is obtained by dividing the final size between the initial size by 100.
20 minutes
Incidence of treatment-emergent adverse events [Safety and Tolerability]).
Time Frame: 40 minutes
Presence or not of: Edema, hand-foot syndrome, anorexia, vomiting, diarrhea, nausea, asthenia (patient interview and clinical auscultation)
40 minutes
Differential Blood Count
Time Frame: 10 minutes (duration of blood withdrawal)]
Differential blood count gives relative percentage of each type of white blood cell and helps reveal abnormal white blood cell populations (eg, blasts, immature granulocytes, or circulating mature cells in the peripheral blood).
10 minutes (duration of blood withdrawal)]
Thyroid Test
Time Frame: 10 minutes (duration of blood withdrawal)
Serum quantification of thyroxine, triiodothyronine, and thyroid stimulating hormone (nmol/ml) by ELISA Method
10 minutes (duration of blood withdrawal)
Cardiac damage
Time Frame: 10 minutes (duration of blood withdrawal)
Measurement of creatine kinase myocardial band (CK-MB) concentration in serum (ImU/ml) by Colorimetric Method.
10 minutes (duration of blood withdrawal)
Iodine consumes
Time Frame: 10 minutes (duration of urine recollection)
Measurement of iodine concentration in urine (ug/mL) by Ion Chromatography Method.
10 minutes (duration of urine recollection)
Tumor classification type and modification after treatment
Time Frame: 40 minutes
Estrogen receptor (ER), Progesterone receptor (PR) and Human epidermal growth factor receptor 2 (HER2) presence in biopsy (initial) and tumor sample after treatments (final) by immunohistochemical method (number of positive cells/field).
40 minutes

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Disease-free survival
Time Frame: Every 6 months for 5 years
The follow-up of the disease-free survival (DFS) at 5 years. (patient interview and clinical auscultation each six months)
Every 6 months for 5 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 15, 2005

Primary Completion (Actual)

December 1, 2009

Study Completion (Anticipated)

June 1, 2020

Study Registration Dates

First Submitted

August 31, 2018

First Submitted That Met QC Criteria

September 26, 2018

First Posted (Actual)

September 28, 2018

Study Record Updates

Last Update Posted (Actual)

September 28, 2018

Last Update Submitted That Met QC Criteria

September 26, 2018

Last Verified

September 1, 2018

More Information

Terms related to this study

Other Study ID Numbers

  • INB-UNAM-004.H
  • IMSS-HGR1: 185-09-03-05/MPSS (Other Identifier: Hospital General Regional #1 IMSS)
  • ISSSTE 22-205/CEI 248/2009 (Other Identifier: Clínica Hospital Dr. Ismael Vázquez Ortiz ISSSTE)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

Yes

IPD Plan Description

De-identified individual participant data for all primarily and secondary outcome measures will be made available

IPD Sharing Time Frame

Data will be available within 12 months of study completion

IPD Sharing Access Criteria

Requestors will be required to sign a data access agreement

IPD Sharing Supporting Information Type

  • Study Protocol
  • Statistical Analysis Plan (SAP)
  • Informed Consent Form (ICF)
  • Clinical Study Report (CSR)
  • Analytic Code

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

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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