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8-K - FORM 8-K - INFINITY PHARMACEUTICALS, INC.d246217d8k.htm
Building a Sustainable, Fully Integrated
Biotechnology Company
October 2011
Exhibit 99.1


Forward Looking Statements
2
This presentation contains forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995.
These statements involve risks and uncertainties that could cause actual results to be materially different from historical results or from any
future results expressed or implied by such forward-looking statements.
Such forward-looking statements include statements regarding: the therapeutic potential of Infinity’s Hedgehog pathway, Hsp90, PI3K and
FAAH inhibitors; the potential of IPI-926 and Hedgehog pathway inhibition in addressing chondrosarcoma, pancreatic cancer and
myelofibrosis; the potential of combination therapy based on retaspimycin HCl in addressing non-small cell lung cancer; the potential
expansion of the Phase 2 trial of retaspimycin HCl in combination with docetaxel; the commencement of Phase 1 clinical development of IPI-
145 in the second half of 2011 and Phase 2 development of IPI-940 in pain by Purdue; 2011 financial guidance (including total revenues,
operating cash burn, and year-end cash and investments balance), and the expectation that Infinity will have capital to support its current
operating plan into 2014.
Such forward-looking statements are subject to numerous factors, risks and uncertainties that may cause actual events or results to differ
materially from the company's current expectations. For example, there can be no guarantee that Infinity’s strategic alliance with
Purdue/Mundipharma will continue for its expected term or that these entities will fund Infinity’s programs as agreed, or that any product
candidate Infinity is developing will successfully complete necessary preclinical and clinical development phases. Further, there can be no
guarantee that any positive developments in Infinity’s product portfolio will result in stock price appreciation. Infinity’s expectations could also
be affected by risks and uncertainties relating to: results of clinical trials and preclinical studies, including subsequent analysis of existing data
and new data received from ongoing and future studies; the content and timing of decisions made by the U.S. Food and Drug Administration
and other regulatory authorities, investigational review boards at clinical trial sites, and publication review bodies; Infinity's ability to enroll
patients in its clinical trials; unplanned cash requirements and expenditures, including in connection with business development activities;
development of agents by Infinity’s competitors for diseases in which Infinity is currently developing its product candidates; market acceptance
of any products Infinity or its partners may successfully develop; and, Infinity's ability to obtain, maintain and enforce patent and other
intellectual property protection for any product candidate it is developing.
These and other risks which may impact management's expectations are described in greater detail under the caption "Risk Factors" included
in Infinity's quarterly report on Form 10-Q for the quarter ended June 30, 2011 filed with the U.S. Securities and Exchange Commission on
August 9, 2011.
Further, any forward-looking statements contained in this presentation speak only as of the date hereof, and Infinity expressly disclaims any
obligation to update any forward-looking statements, whether as a result of new information, future events or otherwise.
All trademarks used in this presentation are the property of their respective owners.
Our Internet website is http://www.infi.com. We regularly use our website to post information regarding our business, product development
programs and governance.  We encourage investors to use www.infi.com, particularly the information in the section entitled “Investors/Media,”
as a source of information about Infinity. References to www.infi.com in this presentation are not intended to, nor shall they be deemed to,
incorporate information on www.infi.com into this presentation by reference.


Clear registration paths
Multiple possible indications
Substantial market potential
Full U.S. commercial rights
in oncology/inflammation
INFI in 2011: Considerable Near-Term
Momentum
Well-financed, with capital into 2014 
Purdue/Mundipharma alliance enables robust clinical development and approval
strategies; provides access to markets ex-US & those best served by a GP sales force
Compelling scientific rationale
Intriguing Phase 1b clinical data
Underserved markets
Novel
candidates in
development
Rigorous trials
Companion biomarker strategy
Active
phase
2 trials


Advancing Pipeline with Broad Commercial
Potential
4
Discovery
Phase 1
Phase 2
Phase 3
Preclinical
Hedgehog: IPI-926
Hsp90: Retaspimycin HCl
FAAH: IPI-940
PI3K: IPI-145
Pancreatic Cancer
Chondrosarcoma
Solid Tumors
Non-Small Cell Lung Cancer
Discovery Programs
Myelofibrosis
Non-Small Cell Lung Cancer
Gemcitabine Combo
Docetaxel Combo
Everolimus Combo


IPI-926:
Addressing Difficult-to-Treat Cancers by
Targeting the Hedgehog Pathway
5


IPI-926: Overview
6
Disrupts malignant activation of the Hedgehog pathway by inhibiting
Smoothened
Hedgehog pathway known to drive multiple difficult-to-treat cancers
Product strategy
Target areas of significant unmet need
Leverage strong scientific rationale
Pursue tractable clinical development path
Deliver commercially differentiated product


Large unmet need
~35,000 deaths /
year in the U.S. alone
Average survival
<6 months
5-year survival <5%
Resistant to therapy
Gemcitabine
approved Rx with
only a ~6 wk survival
benefit
Multiple failures in
Phase 2 and Phase 3
Treating Pancreatic Cancer Requires a
Fundamentally Novel Approach
7
Source: Xiong et. al, 2006. Drugs 66 (8): 1059-72.
Multiple Failures in Pancreatic Cancer
Single Agents
Topotecan
Irinotecan
Cisplatin
Oxaliplatin
Ifosfamide
Epirubicin
Docetaxel
Paclitaxel
Capeticabine
Pemetrexed
Combinations with Gemcitabine (Gem)
Gem + Fluorouracil
Gem + Cisplatin
Gem + Irinotecan
Gem + Oxaliplatin
Gem + Exatecan
Gem + Epirubicin
Gem + Carboplatin
Gem + Mitomycin
Gem + Docetaxel
Gem + Capeticabine
Gem + Pemetrexed
Gem + Tegafur/Uracil
Gem + Fluorouracil +
Leucovorin
Gem + Fluorouracil +
Cisplatin
Gem + Fluorouracil  +
Tegafur/Uracil
Gem + Fluorouracil +
Cisplatin + Epirubicin


IPI-926 Enhances Delivery of Gemcitabine
to Tumor
8
Vehicle
Gemcitabine alone
IPI-926 +
gemcitabine
Current standard of care
in pancreatic cancer
Tumor cell nuclei
Fluorescent contrast agent
IPI-926 + gemcitabine doubles median survival in a mouse model of pancreatic cancer
(Olive et al. 2009, Science 324: 1457-61.)


Rapid Translation of Preclinical Insights to
Randomized Phase 2 Clinical Trial
9
Primary endpoint is overall survival
Secondary endpoints include progression free survival, time to progression,
overall response rate
Rigorous design to mitigate Phase 3 risk
Enrollment
completed
October
17  ,
ahead
of
schedule
Dose
Escalation
MTD
Phase 1b
Phase 2
th
1:1
Randomization


Encouraging Activity and Tolerability Observed
in Phase 1b
IPI-926 + gemcitabine
led to a 31% response
rate
Overall response rate to
gemcitabine is historically
<10%*
Favorable PK and safety
profile
No interaction between IPI-
926 and gemcitabine
Most common AEs were
fatigue and nausea
Combination did not reveal
unique or more severe AEs
10
Stephenson et al., ASCO 2011.
*Moore, et al. J Clin Oncol 25:1960-6.; Seitz et al. Oncology 18:43-7.


Myelofibrosis: Phase 2 Trial
Hedgehog pathway plays a key role in pathogenic fibrosis
Significant need exists for novel treatment options that can directly target the
malignant fibrosis underlying this disease
No current treatments for underlying disease
Agents in development reduce spleen size, address symptoms
Phase 2 trial initiated October 2011
Design:  Single-arm, single-agent, exploratory trial in up to
45 patients with myelofibrosis
Dose:  160 mg IPI-926 administered orally once daily
Primary endpoint:  Hematologic response rate
11


Chondrosarcoma: First and Only
Randomized Trial in this Patient Population
Significant unmet need
Chondrosarcoma is highly resistant to chemotherapy
and radiotherapy
Therapeutic standard is surgery
No effective treatments and no established standard of care for
patients with metastatic or locally advanced, inoperable disease
12
Preclinical data suggests inhibiting the Hedgehog pathway
reduces tumor volume and leads to calcification
IPI-926 granted Orphan Drug Designation by FDA and EMA
in this indication


Rigorous Phase 2 Trial Under Way
Global trial at approximately 50 sites
Randomized, double-blind, single-agent, placebo controlled study in
metastatic or locally advanced, inoperable chondrosarcoma
Trial design reviewed with FDA and EMA prior to study
Primary endpoint is progression free survival
Secondary endpoints include time to progression, overall survival, overall
response rate and response duration
13
2:1
Randomization
Progression -
crossover to IPI-926
~140
Patients
IPI-926 (QD)
Placebo


Retaspimycin HCl (IPI-504)
Targeting Non-Small Cell Lung Cancer Through
Hsp90 Inhibition
14


Function of Hsp90
“Chaperone”
protein necessary for stability
and
function
of
certain
‘client’
proteins,
including oncoproteins
Retaspimycin HCl (IPI-504)
Highly potent, selective, water
soluble Hsp90 inhibitor
Program strategy; determine optimal:
Dose and schedule
Combination agents
Indications
Current status:  Two clinical trials in NSCLC
15
Heat Shock Protein 90 (Hsp90):
An Important Cancer Target


Retaspimycin HCl: Potential Breakthrough
Approach to NSCLC
Pursuing multiple development paths as combination therapy
16
Based on clinical data from
Phase 1b study
Randomized, double-blind, placebo-
controlled Phase 2
Biomarker exploration
Combination with
Everolimus in
Patients with a
KRAS Mutation
Based on preclinical data in well-
defined patient population
Phase 1b/2 exploratory study
Combination with
Docetaxel in
Patients with a
Smoking History


Phase 1b Trial: Clinically Active in
Combination with Docetaxel
17
Compelling Phase 1b data
Partial response seen in 6
patients (ORR = 26%)
1
Stable disease seen in 7
patients
1
Riely et al., ASCO 2011.


Responses Observed in Patients with
Historically Poor Prognoses
In exploratory analyses, patients with the highest response rates fell into overlapping
categories:
Current or former smokers (ORR = 33%)
Those with squamous cell carcinoma (ORR = 43%)
18
Historical 2
nd
Line
Docetaxel
NSCLC
Patients in
Trial
N=23
Smokers
N=18
Squamous
Cell
Carcinoma
N=7
Patient Populations
Retaspimycin HCl plus Docetaxel
Overall Response Rate
Riely et al., ASCO 2011.


Phase 1b Trial: Favorable Safety Profile
All toxicities were manageable
No unexpected or overlapping toxicities seen
GI toxicities were primarily Grade 1 or Grade 2
No significant ocular toxicities were observed
No dose reductions or discontinuations in response to liver
function tests
19
Riely et al., ASCO 2011.


Phase 2 Trial Ongoing in NSCLC
20
~200 smokers w/
2
nd
-
or 3
rd
-line
NSCLC
(docetaxel naïve)
Endpoint:
OS
Endpoints:
PFS,
ORR,
Safety
Exploratory:
Biomarkers,
PG
markers
Follow-up for OS
Follow-up for OS
Docetaxel (q3w) +
Retaspimycin HCl (weekly)
(N=100)
Docetaxel (q3w) +
placebo (weekly)
(N=100)
Dosing Schedule
Retaspimycin
HCl:
450
mg/m
2
IV QW
Docetaxel:
75
mg/m
2
IV
Q3W
R


Phase 1b/2 Trial Ongoing in NSCLC Patients
with mKRAS
Encouraging preclinical rationale
Retaspimycin HCl plus an mTOR inhibitor resulted in synergistic
activity and substantial tumor regression in a mouse model
Exploratory Phase 1b/2 trial underway in up to 45 patients with a
KRAS mutation
Phase 1b:  Dose-escalation study to determined recommended dose
combination
Phase 2:  Will evaluate safety and clinical activity; may be expanded
based on overall response rate
21


% NSCLC Patients
by Cell Type (2009)
% Stage IIIb/IV NSCLC Patients
by Smoking Status (2009)
NSCLC: Significant Commercial Opportunity
% NSCLC Patients
by Mutation Status (2009)
22
Squamous
Cell
Carcinoma
35%
Adenocarcinoma
47%
Large Cell
Carcinoma
18%
> 15 pack years
70%
Non-smokers &
15 pack years
30%
KRAS
30%
Non-KRAS
70%
Sources:
Decision
Resources
NSCLC
Pharmacor
Report,
June
2009;
Cancer.
2010
February
1;
116(3):
670–675.
doi:
10.1002/cncr.24813. 
Estimates based upon G7 regions (US, UK, IT, DE, ES, FR, JP)
Phase 1b/2 trial of
retaspimycin HCl +
everolimus
Phase 2 trial of retaspimycin HCl + docetaxel
~145,000
~182,000
~125,000


IPI-926 and Retaspimycin HCl:
Development Summary
IPI-926
Opportunity to deliver commercially differentiated product for broad
range of difficult-to-treat cancers
Phase 2 clinical trial program underway
Enrollment completed in pancreatic cancer
Enrollment ongoing in myelofibrosis and chondrosarcoma
Retaspimycin HCl
Combination therapy based on retaspimycin HCl may provide important
therapeutic benefit in NSCLC
Two trials underway
Phase 2 trial in combination with docetaxel in smokers
Phase 1b/2 trial in combination with everolimus in patients
with KRAS mutation
23


Additional Pipeline Opportunities


IPI-145: Novel PI3K Inhibitor Rapidly
Advancing to the Clinic
25
IPI-145 is a potent, oral inhibitor of PI3K
and
PI3K
PI3K plays a role in hematologic
malignancies and inflammatory conditions
Compelling
human
proof-of-concept
of
PI3K
inhibition in heme malignancies
IPI-145 is 10-
to 30-fold more potent inhibitor of
PI3K
than PI3K
inhibitor with reported data
Data
suggest
inhibition
of
PI3K
is
important,
particularly in inflammation
IPI-145 has shown compelling preclinical activity in
several models of inflammation
Phase 1 development expected to begin in 2H
2011


IPI-940 inhibits FAAH and is designed to potentiate the effect
of anandamide
Encouraging data from Phase 1 trial in healthy volunteers
Purdue and Mundipharma exercised rights for
worldwide development and commercialization
IPI-940: Phase 2-Ready FAAH Inhibitor
26
Constitutively active FAAH degrades anandamide, the body’s
natural source of pain relief
Marked FAAH inhibition and increased anandamide levels
No observed dose-limiting toxicities
Purdue expected to begin Phase 2 development in pain


Strong Financial Foundation to
Reach Key Inflection Points
27


Strategic Alliances Provide Funding and
Access to Global Markets
28
Hedgehog, PI3K and early discovery
R&D funding from Mundipharma
INFI to develop and register product candidates globally
INFI to commercialize products in the U.S.
Access to ex-US markets: Mundipharma to commercialize
products ex-U.S.
INFI entitled to royalty of 10% to 20% on ex-U.S. sales
FAAH
Purdue and Mundipharma responsible for global development
and commercialization
Access to GP sales force: Purdue and Mundipharma
responsible for global commercialization
INFI entitled to royalty of 10% to 20% on global sales


Financial Strength to Drive Value Creation
29
$152.5M
Committed R&D Funding
Remaining in 2011 and 2012
(as of 6/30/11)
$50M
Line
of
Credit
1
(Balloon note at prime, matures 2019)
Cash and Investments
(as of 6/30/10)
Current and Committed Capital
$285 Million
1
Line of credit may be drawn for any corporate purpose.
~$82M
0
50
100
150
200
250
300


2011 Financial Guidance:
Cash Runway into 2014
Projected
2011
revenue
of
$90M
-
$95M
Projected
2011
operating
cash
burn
of
$30M
-
$40M
Anticipate year-end cash and investments balance of
$110M -
$120M
Based on current operating plan; excludes $110M R&D funding
commitment from Mundipharma for 2012
Approximately 26.6 million shares outstanding
30


INFI in 2011: Considerable Near-Term
Momentum
Well-financed, with capital into 2014 
Purdue/Mundipharma alliance enables robust clinical development and approval
strategies; provides access to markets ex-US & those best served by a GP sales force
Compelling scientific rationale
Intriguing Phase 1b clinical data
Underserved markets
Novel
candidates in
development
Rigorous trials
Companion biomarker strategy
Active
phase
2 trials
Clear registration paths
Multiple possible indications
Substantial market potential
Full U.S. commercial rights
in oncology/inflammation


Building a Sustainable, Fully Integrated
Biotechnology Company
October 2011