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1. IRESSA®(gefitinib) Tablets Monotherapy for Recurrent Non-Small Cell Lung Cancer (NSCLC) Oncologic Drugs Advisory Committee Meeting
March 4, 2005
2. Introduction and Regulatory History Mark Scott, PhD
US Development Leader, IRESSA®
3. Context for Today’s Meeting Prior ODAC discussions regarding Subpart H approvals
Need for rapid completion of post-approval trials
What if a post-approval trial does not meet its primary endpoint?
How much weight should be given to one trial, when several are ongoing?
4. Why We Are Here Today Communicate outcomes of Trial 709
Describe actions taken on implications ofTrial 709 outcomes
Provide clinical interpretation
Summarize ongoing development
Outline FDA submission timings
5. Agenda
6. Experts Available for Q&A AstraZeneca Staff
Alan Barge, MD
Nick Botwood, MD
Kevin Carroll, MSc
Carolyn Fitzsimons, MBA
Renee Iacona, PhD
Judith Ochs, MD
Alex Oldham, PhD
Patricia Palumbo, BSN, JD
Ann Readman, PhD
Mark Scott, PhD
External Physicians
Howard Burris, MD
Mark Kris, MD
7. Lung Cancer in the US Leading cause of all cancer deaths
170,000 patients per year with 160,000deaths annually
Only 1/3 are diagnosed at an early stage
Median survival in advanced disease <1 yr
Symptoms are a major component of the disease
8. Treatment Options for Advanced NSCLC Prior to Subpart H Approval for IRESSA® Response rates: 25%-45%
Median survival: 8-10 mo
TTP: 4 mo
9. IRESSA® Development Strategy—NSCLC Prior to Subpart H Approval for IRESSA®
10. IDEAL Trials: IRESSA® Monotherapy(N = 416) IDEAL I
Overall response rate 19%
IDEAL II
Overall response rate 10.6%
Higher rates in females, never smokers, adenocarcinoma histology, and Asians
No differences between dosesin efficacy
Greater number of adverse events at 500-mg dose
Highly acceptable safety profile at 250-mg dose
11. Regulatory and Clinical Events 9/2002 – ODAC recommended accelerated approval under Subpart H
5/2003 – IRESSA® granted Subpart H approval
Refractory to both docetaxel and platinum
7/2003 – Post-approval trials started
12. Subpart H Commitments Trial 709 – IRESSA® vs. placebo
Survival improvement
Trial 721 – IRESSA® vs. docetaxel
Non-inferiority design for survival
700/1440 patients randomized
Trial 710 – IRESSA® vs. placebo
Symptoms improvement
Closed 9/04 in agreement with FDA
13. Other Post-Approval Commitments SWOG 0023 – Maintenance
Phase III, IRESSA® vs. placebo inpatients with inoperable locally advanced Stage III NSCLC
259/672, reporting in 2008
BR19 – Adjuvant
Phase III, IRESSA® vs. placebo in completely resected Stage IB, II and IIIA NSCLC
457/1242, reporting in 2008