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Iressa (Gefitinib) - Summary



IRESSA® (gefitinib tablets) contain 250 mg of gefitinib and are available as brown film-coated tablets for daily oral administration.

IRESSA is indicated as monotherapy for the treatment of patients with locally advanced or metastatic non-small cell lung cancer after failure of both platinum-based and docetaxel chemotherapies.

The effectiveness of IRESSA is based on objective response rates (see CLINICAL PHARMACOLOGY Clinical Studies section). There are no controlled trials demonstrating a clinical benefit, such as improvement in disease-related symptoms or increased survival.

Results from two large, controlled, randomized trials in first-line treatment of non-small cell lung cancer showed no benefit from adding IRESSA to doublet, platinum-based chemotherapy. Therefore, IRESSA is not indicated for use in this setting.

See all Iressa indications & dosage >>


Media Articles Related to Iressa (Gefitinib)

Iressa Approved for Specific Late-Stage Lung Cancer
Source: MedicineNet gefitinib Specialty [2015.07.14]
Title: Iressa Approved for Specific Late-Stage Lung Cancer
Category: Health News
Created: 7/13/2015 12:00:00 AM
Last Editorial Review: 7/14/2015 12:00:00 AM

Small cell vs. non-small cell lung cancer: What are the differences?
Source: Respiratory / Asthma News From Medical News Today [2017.03.21]
In this article, we take a close look at two types of lung cancer. Learn about the symptoms, diagnosis, and various treatments here.

Non-small cell lung cancer: Treatment, symptoms, and outlook
Source: Lung Cancer News From Medical News Today [2017.03.17]
What is non-small cell lung cancer and what are the different types? Learn about its potential complications and the tests that are used to diagnose it.

Lung cancer: Blood test may lead to earlier, personalized treatment
Source: Genetics News From Medical News Today [2017.04.19]
Researchers have created a blood test that they say can identify genetic mutations linked to non-small cell lung cancer with high accuracy.

Lung cancer: Delayed chemotherapy after surgery may still be beneficial
Source: Lung Cancer News From Medical News Today [2017.01.09]
Non-small cell lung cancer patients who need time to recover from surgery may still benefit from delayed chemotherapy started up to 4 months afterward.

more news >>

Published Studies Related to Iressa (Gefitinib)

Fuzheng Kang'ai decoction combined with gefitinib in advanced non-small cell lung cancer patients with epidermal growth factor receptor mutations: study protocol for a randomized controlled trial. [2015]
BACKGROUND: Patients with advanced non-small cell lung cancer (NSCLC) harboring mutations of the epidermal growth factor receptor (EGFR) gene respond well to the EGFR tyrosine kinase inhibitor (TKI) gefitinib... This study will provide objective evidence to evaluate the efficiency of CHM combined with gefitinib in NSCLC patients with EGFR mutations, and may provide a novel regimen for patients with NSCLC.

Gefitinib for oesophageal cancer progressing after chemotherapy (COG): a phase 3, multicentre, double-blind, placebo-controlled randomised trial. [2014]
advanced oesophageal cancer... INTERPRETATION: The use of gefitinib as a second-line treatment in oesophageal

Icotinib versus gefitinib in previously treated advanced non-small-cell lung cancer (ICOGEN): a randomised, double-blind phase 3 non-inferiority trial. [2013]
with non-small-cell lung cancer... INTERPRETATION: Icotinib could be a new treatment option for pretreated patients

Symptom and quality of life benefit of afatinib in advanced non-small-cell lung cancer patients previously treated with erlotinib or gefitinib: results of a randomized phase IIb/III trial (LUX-Lung 1). [2013]
in a double-blind, randomized, phase IIb/III trial (LUX-Lung 1)... CONCLUSION: In the LUX-Lung 1 trial, the addition of afatinib to BSC

Gefitinib versus placebo as maintenance therapy in patients with locally advanced or metastatic non-small-cell lung cancer (INFORM; C-TONG 0804): a multicentre, double-blind randomised phase 3 trial. [2012]
setting... INTERPRETATION: Maintenance treatment with gefitinib significantly prolonged

more studies >>

Clinical Trials Related to Iressa (Gefitinib)

Postoperative Radiotherapy Plus Iressa or Radiotherapy Plus Cisplatin and Iressa for Advanced Head & Neck Cancer [Completed]

Study of Iressa in Patients With Relapsed or Refractory Acute Myelogenous Leukemia [Completed]
The purpose of this study is to determine how effective, and to what extent, Iressa is in the treatment of acute myelogenous leukemia.

An Open-label, Phase II Trial of ZD1839 (IRESSA) in Patients With Malignant Mesothelioma [Completed]
This study is a multicentre, open label, non-comparative, two stage phase II trial to assess the activity of ZD1839 (IRESSA) in patients with malignant mesothelioma. Patients will receive trial treatment as first-line therapy, administered continuously once daily until the completion of six 4-week cycles of treatment, disease progression, unacceptable toxicity or withdrawal of consent. Patients continuing to show evidence of response, disease stabilization or clinical benefit from ZD1839 may continue to receive therapy beyond completion of the trail.

Arimidex/Faslodex/Iressa Study: A Trial Using Arimidex, Faslodex and Iressa in Women With Breast Cancer [Terminated]
The investigators want to know if combining Arimidex and Faslodex with Iressa will be an effective treatment for breast cancer. They also want to know, using special tests on the tumor, the changes that occur with the treatment so they can try to improve their treatment for breast cancer in the future.

Gefitinib in Treating Patients Who Are Undergoing Surgery and/or Radiation Therapy for Locally Advanced or Recurrent Squamous Cell Skin Cancer [Completed]
The goal of this clinical research study is to learn if giving Iressa (Gefitinib or ZD1839) with surgery and/or radiation will help to control squamous cell carcinoma of the skin. The safety of this treatment will also be studied

more trials >>

Reports of Suspected Iressa (Gefitinib) Side Effects

Diarrhoea (17)Vomiting (10)Nausea (9)Dyspnoea (8)Rash (8)Cystitis Haemorrhagic (7)Death (7)Interstitial Lung Disease (7)Liver Disorder (6)Pleural Effusion (6)more >>

Page last updated: 2017-04-19

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