Study of Epigallocatechin-3-gallate (EGCG) for Esophagus Protection in Patients With Lung Cancer Receiving Radial Radiotherapy

April 25, 2020 updated by: Han Xi Zhao, Shandong Cancer Hospital and Institute
The investigators conducted this phase II study of EGCG therapy protection of the esophagus from damage induced by radiotherapy. In order to observe the effectiveness of EGCG, esophageal toxicity was recorded weekly using a grading scale based on symptomatology, following the Radiation Therapy Oncology Group (RTOG) scoring system. Patient-reported pain related to esophagitis was measured using the numerical rating scale (NRS) every week from EGCG application to 2 weeks after the end of radiotherapy. The scales are translated into Chinese and guides in Chinese are developed instructing how to use the scales and perform the assessments.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Unknown

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
83

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • pathologically documented LC
  • considered medically inoperable stage IIIA or stage IIIB or limited stage small cell lung cancer
  • age ≥18 years
  • Karnofsky ≥70
  • adequate hematologic, hepatic and renal function
  • FEV1 > 800 cc
  • mean esophagus dose >20 Gy

Exclusion criteria were as follows:

  • a known allergy or hypersensitivity to EGCG
  • pregnancy or lactation
  • prior radiation to the thorax

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: Single

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: prophylactic EGCG group
Drug: EGCG
EGCG (purity≥95% by high pressure liquid chromatography; from Ningbo HEP Biotech Co., Ltd) is dissolved in 0.9% saline solution three times a day. A new batch is made up each time. For esophageal application, repeated swallowing of 10 ml of the EGCG solution is indispensable to assure the prolonged presence of drug the esophageal walls. We choose a dose of 440 lmol/L as the recommended concentration for this study by referring to our previous phase I study. Immediately at the beginning of radiotherapy, the EGCG solution is given until two weeks after radiotherapy completed. Steroids, non-steroidal anti-inflammatory drugs, narcotics, local anesthetics, or other antibiotic/antifungal therapy are not given unless esophagitis progressed to grade 4.
Drug: EGCG
EGCG (purity≥95% by high pressure liquid chromatography; from Ningbo HEP Biotech Co., Ltd) is dissolved in 0.9% saline solution three times a day. A new batch is made up each time. For esophageal application, repeated swallowing of 10 ml of the EGCG solution is indispensable to assure the prolonged presence of drug the esophageal walls. We choose a dose of 440 lmol/L as the recommended concentration for this study by referring to our previous phase I study. Patients begin medications as soon as grade 1 esophagitis occurred during radiation according to the RTOG criterion.
Experimental: therapeutic EGCG group
Drug: EGCG
EGCG (purity≥95% by high pressure liquid chromatography; from Ningbo HEP Biotech Co., Ltd) is dissolved in 0.9% saline solution three times a day. A new batch is made up each time. For esophageal application, repeated swallowing of 10 ml of the EGCG solution is indispensable to assure the prolonged presence of drug the esophageal walls. We choose a dose of 440 lmol/L as the recommended concentration for this study by referring to our previous phase I study. Immediately at the beginning of radiotherapy, the EGCG solution is given until two weeks after radiotherapy completed. Steroids, non-steroidal anti-inflammatory drugs, narcotics, local anesthetics, or other antibiotic/antifungal therapy are not given unless esophagitis progressed to grade 4.
Drug: EGCG
EGCG (purity≥95% by high pressure liquid chromatography; from Ningbo HEP Biotech Co., Ltd) is dissolved in 0.9% saline solution three times a day. A new batch is made up each time. For esophageal application, repeated swallowing of 10 ml of the EGCG solution is indispensable to assure the prolonged presence of drug the esophageal walls. We choose a dose of 440 lmol/L as the recommended concentration for this study by referring to our previous phase I study. Patients begin medications as soon as grade 1 esophagitis occurred during radiation according to the RTOG criterion.
Placebo Comparator: conventional therapy group
Drug: mLDG
mLDG (lidocaine 0.16mg/mL, dexamethasone 0.02mg/mL, and gentamycin 0.16mg/mL) dissolved in 0.9% saline solution was administered three times a day. Patients were given oral mLDG solution, and began medications as soon as grade 1 esophagitis occurred during radiation according to the RTOG criterion.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
Superiority of EGCG in reducing Grade II esophagitis as assessed by RTOG scores in patients with lung cancer receiving radiation
Time Frame: Each patient will be enrolled for a 8-9 week trial
Each patient will be enrolled for a 8-9 week trial

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Superiority of EGCG in decreasing the serum Inflammatory factors in patients with lung cancer receiving radiation
Time Frame: Each patient will be enrolled for a 8-9 week trial
Each patient will be enrolled for a 8-9 week trial
Improved quality of life with usage of EGCG for treatment of radiation-esophagitis in patient with lung cancer.
Time Frame: Each patient will be enrolled for a 8-9 week trial
Each patient will be enrolled for a 8-9 week trial

Collaborators and Investigators

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

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Shandong Cancer Hospital and Institute

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Study Chair: Ligang Xing, MD,PhD, Shandong Cancer Hospital and Institute

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)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
April 1, 2015

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 1, 2022

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
August 1, 2022

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
September 28, 2015

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 13, 2015

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
October 16, 2015

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
April 28, 2020

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 25, 2020

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
April 1, 2020

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • GTEEC-2015

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