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Elements of a Profitable Biopharmacutical Company Roland E. Dolle September 24, 2003 August 2003 1 Outline • Evolution of biotech business models • Adolor Corporation August 2003 2 Business model evolution • 1980s: Product-based August 2003 3 Business model evolution • 1980s: Product-based • R&D + Sales & Marketing • Some big success stories - Amgen, Genentec • More companies failed than succeeded • Many unfulfilled promises August 2003 4 Business model evolution • Project risks • Failure to optimize a lead into a clinical candidate • Clinical candidate failure on safety, PK • Failure of mechanism to treat disease • Failure to differentiate over existing treatments • Failure to make a return on investment if launched August 2003 5 Business model evolution • Attrition prior to Phase II • Biggest problem as a percent • >80% loss prior to NDA • Attrition in Phase II and later • Biggest problem in cost • Target validation issue August 2003 6 Business model evolution • 1980s: Product-based companies • 1990s: Technology-based companies August 2003 7 Business model evolution • 1990s: Technology-based • Genomic platforms • Combinatorial chemistry platforms • Miscellaneous drug discovery services • Investor rationale • Product-based model seen as too risky • Enabling technology will accelerate R • Instant revenue stream ($$) August 2003 8 Business model evolution • Reality • Genomic and combichem platforms did not live up to expectation (over sold) • More targets - but not validated • More compounds - but not drug-like • Drugs to market have been declining while expenditures escalating • Profit margins slim • Tech-based companies can’t “hit the home-run” • Little up-side potential for shareholders August 2003 9 Business model evolution • 1980s: Product-based • 1990s: Technology-based • 2000s: Product-based August 2003 10 Business model evolution • 2000s: Product-based • Pure technology service platforms - out of favor • Technology companies transforming themselves into product-based companies • Miscellaneous drug discovery services - moving outside of U.S. August 2003 11 Business model evolution • Example: Millennium Pharmaceuticals (Boston, MA) • 1993: Genomic screening platform (target validation) • 1997: ChemGenics acquired for library screening and lead optimization • 1999: LeukoSite acquired for clinical development and product pipeline • 2000: Cambridge Discovery acquired for chemistry/screening • 2001: CorTherapeutics acquired for clinical product including sales and marketing infrastructure • 2003: Restructuring initiative shuttered R&D in San Francisco, Cambridge, England • 2004: Plans to cut staff by 26% to focus on drug development and commercialization August 2003 12 Product-based Business Model of the 2000s Target ID Validation Drug Discovery Development • Must build profitable business • Build the company in stages • Corporate alliances/partnerships August 2003 Sales & Marketing • Technology • Management expertise • Finance 13 Mission Build a profitable pharmaceutical company specializing in the discovery, licensing, acquisition, development and commercialization of prescription pain management products. August 2003 14 Forward-Looking Statements This presentation and the questions and answers that follow contain forward-looking statements including but not limited to statements about the following: • • • • • • • • • • • • • • • • • Our ability to submit, if positive confirming results are achieved in our other studies, our alvimopan clinical study 302 in an NDA Our ability to achieve positive confirming results in the other alvimopan Phase 3 clinical studies Our target dates for completing accrual and announcing results in our alvimopan clinical studies 308 and 313 Our target date to submit an NDA for alvimopan in the first half of 2004 Our alvimopan clinical study 304 results and plans for further development of alvimopan in opioid bowel dysfunction Our ability to complete a Phase 2 study for ADL 08-7223 in late 2004 Our ability to submit an NDA for ADL 08-7223 in 2006 Our product development efforts, including results from clinical trials Anticipated dates of clinical trial initiation, completion, and announcement of trial results Anticipated trial results and regulatory filing dates for our product candidates Analysis and interpretation of data by regulatory authorities; the status and anticipated timing of regulatory approval for our product candidates Anticipated operating losses and capital expenditures Our intentions regarding the establishment of collaborations Anticipated efforts of our collaborators, including initiation of clinical studies of alvimopan in opioid bowel dysfunction in 2003 Our intention to rely on third parties for manufacturing Our plans to build a hospital-focused sales force Estimates of the market opportunity and the commercialization plans for our product candidates, including our plans for the establishment of a sales force Our forward-looking statements are subject to risks and uncertainties, known and unknown, that could cause actual results and developments to differ materially from those expressed or implied in such statements. Further information about these and other relevant risks and uncertainties may be found in Adolor’s filings with the SEC, available in its EDGAR database at http://www.sec.gov and from Adolor at www.adolor.com. Given the uncertainties affecting pharmaceutical companies in the development stage, you are cautioned not to place undue reliance on any such forward-looking statements, any of which may turn out to be wrong due to inaccurate assumptions, unknown risks, uncertainties or other factors. Adolor undertakes no obligation to publicly update or revise the statements made herein or the risk factors that may relate thereto. August 2003 15 Profile Capabilities 130 employees: from discovery and clinical research to business development, manufacturing and marketing Alvimopan Peripheral mu opioid receptor antagonist developed to manage negative gastrointestinal (G.I.) side effects of opioid pain products Positive results in late-stage clinical trials in two distinct indications Substantial potential market opportunities in both hospital and out-patient settings GlaxoSmithKline partner for collaborative development and commercialization ADL 08-7223 Sterile lidocaine impregnated patch being developed for management of postoperative incisional pain in North America Potential customer synergy with alvimopan Discovery August 2003 Research focus on cannabinoid, delta, kappa, mixed mu/kappa, peripheral mu and other receptor targets 16 Importance of Pain Management/Treatment • Pain costs approximately $100 Billion in treatment and lost productivity Most common symptom that causes people to seek medical care in the U.S. • Recognition and Acceptance Pain - “The Fifth Vital Sign” as defined by the American Pain Society The Joint Commission on Accreditation of Healthcare Organizations (JCAHO) developed guidelines in 1999 that mandates hospitals recognize the rights of patients to appropriate assessment and management of pain • Market Potential Total U.S. market for pain pharmaceuticals: $15 billion Opioids in U.S.: 190 million annual prescriptions; $4.6 billion in sales Increasing number of surgeries/aging population August 2003 17 R & D Pipeline Program R&D Postoperative Ileus Alvimopan Chronic Opioid Induced Bowel Dysfunction Acute Opioid Induced Bowel Dysfunction Combination Product (alvimopan + opioid) ADL 08-7223 Kappa Peripheral Mu Delta Pain Postoperative Incisional Pain Post-surgical/Inflammatory/ Visceral Pain Joint Pain Neuropathic Pain Irritable Bowel Syndrome Mixed Mu/Kappa Post-surgical/Inflammatory Pain Cannabinoid Agonist Post-surgical/Inflammatory Pain August 2003 18 Phase 1 Phase 2 Phase 3 Alvimopan Mechanism Of Action Central Mu Opioid Narcotic Analgesics: - morphine - codeine - oxycodone Mu Opioid Receptor Alvimopan Selectively Antagonizes GI Opioid Receptors Peripheral Mu Opioid Receptors in Bowel Postoperative Ileus Opioid Bowel Dysfunction August 2003 19 Postoperative Ileus • POI is a temporary impairment of gastrointestinal motility after abdominal or other surgeries • Severity / duration is associated with type of intraabdominal surgery • Opioid analgesics used for postoperative pain delay G.I. recovery • Patient recovery and recovery of G.I. function is often rate limiting in patient satisfaction and hospital discharge • No FDA approved drugs for this indication; current treatments are not adequate August 2003 20 Alvimopan for the Management of Postoperative Ileus - Studies 302, 308, 313 Design • Double-blind, placebo-controlled, multi-center • Placebo, 6 mg, 12 mg, equal randomization • First dose at least two hours prior to surgery, and then twice a day until hospital discharge or up to 7 days post-surgery • Postoperative pain management with intravenous Patient Controlled Analgesia (PCA pump) with opioids Subjects • Limited simple hysterectomies 20% max in Study 302 and 308; none in Study 313 • Radical hysterectomy; large bowel resection • Small bowel resection (Studies 308 and 313) August 2003 21 Alvimopan for the Management of Postoperative Ileus - Studies 302, 308, 313 • Primary Efficacy Endpoint Time to recovery of gastrointestinal (G.I.) function (composite endpoint is upper AND lower G.I. recovery) • Time to upper G.I. recovery: tolerating solid foods • Time to lower G.I. recovery: flatus or bowel movement • Secondary Efficacy Endpoints Proportion of Responders Time to be Ready for Discharge based solely on Recovery of Gastrointestinal Function Time to First Solid Food Time to Hospital Discharge Order Written Time to First Flatus Time to First Bowel Movement August 2003 22 Alvimopan for the Management of Postoperative Ileus – Study 302 Statistical Analysis Pre-specified primary analysis method • Cox proportional hazard model 6 mg dose vs. placebo • Cox hazard ratio = 1.47 • P <0.01 • 5 of 6 secondary endpoints statistically significant (P = 0.033 for other) 12 mg dose vs. placebo • Positive Trend Cox hazard ratio = 1.23 P = 0.11 • Statistically significant P <0.01 in proportion of responders (first order secondary endpoint) August 2003 23 Specified Primary Endpoint Analysis: Time to Recovery of GI Function - Alvimopan Study 302 6 mg vs. placebo: hazard ratio = 1.47, P<0.01 (Cox Proportional Hazard Model) 6 mg Placebo • 16 hour faster average recovery of G.I. function • 14 hour earlier average time of hospital discharge order written August 2003 24 Number of Subjects Who Had Hospital Discharge Order Written- Alvimopan Study 302 45 40 35 30 25 20 15 10 5 0 Hospital Days: Placebo 6 mg 632 66 1 2 3 4 5 6 7 Post Operative Day August 2003 698 25 8 9 10 Alvimopan for the Management of Postoperative Ileus - Study 302 Most frequent adverse events were: Placebo 6 mg 12 mg n = 153 n = 150 n = 146 Nausea 67.3% 64.0% 56.8% Vomiting 32.0% 25.3% 15.1% Hypotension 15.0% 12.0% 11.6% 6.7% 17.8% Discontinuations for adverse events: 14.4% August 2003 26 Alvimopan for the Management of Postoperative Ileus - Development Targets Studies Accrual Completion Targets Subjects 302 Complete 451 306 Complete 500 308 Q3 – Q4 Enrolling 313 Complete 510 NDA Submission Target First half 2004 » August 2003 NDA submission will depend on achieving confirmatory clinical trial results; timing of any submission is dependent on timing of accrual completion and other factors. 27 Chronic Pain Market U.S. • Approximately 50 million Americans suffer from chronic pain Back Pain - 27 million Osteoarthritis - 20 million Other pain syndromes - 3 million • 190 million prescriptions for opioids written in the U.S. each year Approximately 30 million of those prescriptions are for 14 or more days’ medication • 40% of patients on long term opioid therapy meet the clinical definition of constipation (< 3 bm / per week) August 2003 28 Alvimopan for the Management of Chronic Opioid Bowel Dysfunction (OBD) - Study 304 • Double-blind, randomized, placebo control • Inclusion Criteria On chronic opioid therapy for at least one month Have opioid-induced bowel dysfunction • N = 168 in chronic pain or methadone maintenance • Alvimopan 0.5 or 1.0 mg or placebo • 3 weeks (21 days) consecutive daily dosing • Primary Efficacy Endpoint Average proportion of patients having bowel movement within 8 hours following oral medication, measured each day during the 21- day study August 2003 29 Alvimopan for the Management of Chronic Opioid Bowel Dysfunction (OBD) - Study 304 55% 60% Average proportion of patients with bowel movement < 8 hours of dose measured each day during the 21-day study 43% 50% 40% 29% 30% 20% 10% 0% Placebo August 2003 0.5 mg 1.0 mg P < 0.001 P < 0.001 30 Alvimopan for the Management of Chronic Opioid Bowel Dysfunction (OBD) • Long-term preclinical toxicity studies initiated • Two clinical studies in OBD targeted for initiation in 2003 Will test dosing regimen and extended duration dosing in: - malignant pain patients - chronic pain patients • GlaxoSmithKline is primarily responsible for the completion of the OBD development program August 2003 31 Adolor/GlaxoSmithKline - Alvimopan Collaboration U.S. Acute Care Hospital Products POI, Acute OBD Additional Products (Adolor Products) ROW Chronic Care Outpatient Products Chronic OBD, Additional Products (G.I. Products) GSK Develops & Sells Royalty to Adolor • $50 million upfront Co-Development/ Co-Promotion Profit Split • $220 million in milestones • Development expense sharing for POI, Acute & Chronic OBD indications in U.S. • Adolor supplies API August 2003 32 Adolor R & D Strategy • Utilize proprietary position in opioid receptors and expertise in combinatorial chemistry to develop novel small-molecule therapeutics • Collaborate at appropriate value points with established partners for: Chronic care in the U.S. Opportunities outside the U.S. • Complement internal development efforts with in-licensing and M & A August 2003 33 Discovery and Outsourcing • • • • August 2003 Established relationship with CiVentiChem in 2002 Expanded relationship in 2003 Supplied critical intermediates for discovery operations Viewed as an extension of internal research group 34 Summary Target ID Validation Drug Discovery Development Sales & Marketing • Product platform in pain management • Alvimopan: A potential first-in-class product candidate with substantial potential market opportunities ADL 08-7223: • Multi-target, pain-focused discovery research program August 2003 35