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Her 2 Testing in Indian Patients With Gastric Cancer

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Tata Memorial Hospital

关键词

抽象

Gastric cancer remains a major health issue and a leading cause of cancer death worldwide, although the prevalence and mortality of the disease have gradually decreased. The investigators have very few options for patients with advanced disease.
The trastuzumab for Gastric Cancer (ToGA) trial, a pivotal randomized clinical trial of patients with HER-2 positive advanced, mostly metastatic, gastric cancer, proved the efficacy of trastuzumab (anti-Her 2 therapy) in combination with chemotherapy. The median overall survival was significantly prolonged in the trastuzumab-containing arm (13.8 vs. 11.1 months; HR 0.74; p=0.0046) without unexpected toxicity including cardiac events. The survival benefit was most pronounced in the subgroup of high HER-2/neu protein overexpression (median overall survival of 16 months). Only 20% of the patients screened and subsequently enrolled for this study were found to be HER2-positive when utilizing both immunohistochemistry and FISH. Her2 testing is recommended for all patients with advanced gastric cancers and type III oesophageal adenocarcinomas.
Data on Indian patients is lacking. Hence, the investigators plan to test for Her 2 in 100 patients with IHC and FISH in 2+ and 3+ patients.

描述

1. Study Objective/ Aims Aim: - Rate of Her 2 positivity in 100 consecutive gastric cancer patients Primary Objective

Test for Her 2 in 100 consecutive gastric cancer patients Immuno-histochemistry will be done in all patients. Patients with 2 and 3+ IHC will also have FISH done.

2. Study Design& Methodology

Patients will have the Her2 tested in 100 consecutive gastric cancer samples by immunohistochemistry and patients with 2+ and 3+ result will also have FISH done. This will not affect patient management

3. Overview of Data collection Dr.Bhawna Sirohi the principal investigators will maintain and supervise data collection and maintaining records. The patient will be de-identified.

4. Selection of Study Population

Inclusion Criteria:

100 consecutive patients with gastric cancer who have a pathology specimen at TMH

Exclusion Criteria:

If histopathology blocks were not available

5) Sample size 100 to be enrolled. Patient consent waiver applied for as this does not affect patient care 6) Statistical Analysis It is an Observational study so Results will be given as %age of total population.

日期

最后验证: 03/31/2017
首次提交: 02/26/2013
提交的预估入学人数: 03/17/2013
首次发布: 03/18/2013
上次提交的更新: 04/24/2017
最近更新发布: 04/26/2017
实际学习开始日期: 05/31/2013
预计主要完成日期: 01/31/2017
预计完成日期: 01/31/2017

状况或疾病

Gastric Cancer

-

资格标准

有资格学习的年龄 18 Years 至 18 Years
有资格学习的性别All
取样方式Non-Probability Sample
接受健康志愿者
标准

Inclusion Criteria:

- 100 consecutive patients with gastric cancer who have a pathology specimen at TMH

Exclusion Criteria:

- If histopathology blocks were not available

结果

主要结果指标

1. Incidence of Her2 testing in Gastric cancer [6 month]

Immuno-histochemistry will be done in all patients. Patients with 2 and 3+ IHC will also have FISH done.

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