On March 16, 2021 Infinity Pharmaceuticals, Inc. (NASDAQ: INFI) ("Infinity" or the "Company"), a clinical-stage biotechnology company developing eganelisib (IPI-549), a potentially first-in-class, oral, immuno-oncology macrophage reprogramming therapeutic, reported its full year 2020 financial results and provided an update on the Company, including recent progress with eganelisib (Press release, Infinity Pharmaceuticals, MAR 16, 2021, View Source [SID1234576728]).

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"Over the past months, we have presented transformative data across multiple indications, I/O combinations, and lines of therapy which together demonstrate the broad potential of eganelisib to improve upon standard of care therapy across a broad range of treatment settings addressing some of the most challenging unmet needs in oncology," said Adelene Perkins, Chief Executive Officer and Chair of Infinity Pharmaceuticals. "Our data from MARIO-275, a randomized, double-blind, placebo controlled study, clearly demonstrate the benefit of adding eganelisib to nivolumab monotherapy, a standard of care in advanced 2L urothelial cancer, with improved ORR, DCR and PFS as compared to nivolumab monotherapy. Striking benefits were observed in the PD-L1 low patient population, who are underserved by checkpoint inhibitor monotherapy and represent the majority of this patient population. Based on these results, we are planning a registration enabling study in this population.

"Compelling safety and efficacy results presented at SITC (Free SITC Whitepaper), SABCS, and GU ASCO (Free ASCO Whitepaper) suggest that eganelisib may have broad potential to improve outcomes in both PD-L1 low and high patients across tumor types, driven by the immune modulatory mechanism of eganelisib targeting macrophages and other myeloid-derived immune cells," said Brian Schwartz, M.D., consulting Chief Physician of Infinity. "Our initial results from MARIO-3 show that adding eganelisib to an approved front-line regimen in TNBC provide clear patient benefit above standard-of-care atezolizumab and nab-paclitaxel. We observed tumor reductions in 100% of evaluable patients, irrespective of PD-L1 status, and are excited by the broad potential of this novel triplet regimen in both PD-L1 low and high patients given the significant unmet need in this aggressive and difficult-to-treat disease. We look forward to presenting additional data in the first and second half of this year, which will include increased patient numbers, response rate, disease control rate and initial response durability data, with preliminary PFS data by the end of the year. In parallel, the RCC cohort of MARIO-3 continues to advance with data from this proof-of-concept study in a novel triplet regimen expected in the first half of 2022. With our recently strengthened balance sheet, we will continue to advance our development of eganelisib across multiple indications, leveraging data from MARIO-275 in UC, MARIO-3 in TNBC, as well as the ARC-2 data presented by Arcus Biosciences at SABCS in second line TNBC and are evaluating opportunities to further unlock the potential of eganelisib in melanoma and SCCHN from MARIO-1 and in ovarian cancer from the ARC-2 study as we seek to improve outcomes in multiple treatment settings and patient populations including those least likely to respond to immunotherapies."

Recent Updates and Program Guidance:

MARIO-275 and Advanced Urothelial Cancer

Presented positive data from the MARIO-275 randomized, placebo-controlled Phase 2 study evaluating eganelisib in combination with Opdivo in platinum-refractory, I/O naïve patients with advanced urothelial cancer (aUC), in collaboration with Bristol Myers Squibb (BMS) at the 2021 ASCO (Free ASCO Whitepaper) Genitourinary Cancers Symposium
Combination of eganelisib with nivolumab demonstrated improved ORR, DCR, and PFS versus 2L standard of care nivolumab monotherapy
Greatest benefit of eganelisib with nivolumab combination therapy over nivolumab monotherapy was observed in the PD-L1 low patient population (n=23) with improvement over nivolumab monotherapy (n=7) for overall response rate (ORR) (26% vs. 14%); disease control rate (DCR) (57% vs. 14%); and best responses of complete response (CR) (9% vs. 0%), and stable disease (SD) (30% vs. 0%)
PD-L1 low patients demonstrated an extended progression free survival (PFS) with a hazard ratio of 0.54 reflecting a 46% reduction in probability of progression
The combination of eganelisib and nivolumab was well tolerated at the 30mg once daily dose
Translational data support immune modulatory mechanism of action of eganelisib with increased immune activation and decreased immune suppression observed in both the PD-L1 high and low patient populations
Infinity is planning a registration enabling study leveraging findings from MARIO-275. After initial feedback from the U.S. Food and Drug Administration (FDA), additional trial details are expected by the end of Q2 2021, and will likely focus on PD-L1 low aUC patients with a 30 mg QD dose of eganelisib.
MARIO-3 Triple Negative Breast Cancer Cohort

Presented positive data from the ongoing Phase 2 study in collaboration with Roche/Genentech to evaluate eganelisib in a novel triple combination in the front-line setting, adding to the approved doublet of Tecentriq and Abraxane in triple negative breast cancer (TNBC) at the 2020 San Antonio Breast Cancer Symposium
100% of evaluable patients (n=13) demonstrated tumor reduction with a clinical benefit (disease control rate) in 92% of patients (12/13)
69.2% (9/13) overall response rate (ORR) with best responses of complete response (CR) or partial response (PR)
100% (5/5) ORR (CR + PR) with 1 CR and 4 PRs observed in PD-L1 high patients
50% (4/8) ORR (CR + PR) with 4 PRs observed in PD-L1 low patients
The novel triple combination treatment with eganelisib, atezolizumab (atezo) and nab-paclitaxel (nab-pac) demonstrated safety in line with expectations of the component drugs with no additive or new safety signals
Translational data support immune modulatory mechanism of action of eganelisib with increased immune activation and decreased immune suppression observed in both the PD-L1 high and low patient populations
Additional data presentations from the TNBC cohort of MARIO-3 are expected in the first and second half of 2021 with increased patient numbers and early durability data which will include progression free survival in the second half of 2021.
Completion of enrollment is expected in the 2H 2021.
MARIO-3 Renal Cell Carcinoma Cohort

Data from the ongoing, proof-of-concept novel triple combination of eganelisib with Tecentriq and Avastin in the front line setting in renal cell cancer (RCC) are expected in the first half of 2022.
MARIO-1

MARIO-1 melanoma and squamous cell carcinoma of the head and neck (SCCHN) cohorts were designed to isolate the clinical benefit of eganelisib by examining clinical activity in patients not expected to respond to checkpoint inhibitors due to progression following immediately prior checkpoint inhibitor therapy which were presented at the 35th Anniversary Annual Meeting of the Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper). The data presented demonstrated that eganelisib had a manageable safety and tolerability profile with ORR ≥ 20% and DCR ≥ 40% in melanoma and SCCHN patients who had progressed on a CPI as their immediate prior therapy after having ≤ 2 prior lines of therapy and support the ongoing strategic prioritization of earlier lines of treatment with eganelisib.
Arcus Collaboration

Data presented at the 2020 San Antonio Breast Cancer Symposium from the Phase 1b collaboration study conducted by Arcus Biosciences, evaluating a checkpoint-inhibitor free, novel triple-combination regimen of eganelisib + etrumadenant (AB928, a dual adenosine receptor antagonist) + Doxil in advanced TNBC patients demonstrated improved activity on top of the doublet therapy of etrumadenant +Doxil. The triplet including eganelisib demonstrated numerical ORR benefit over the doublet in the overall cohort population (42% vs 11%) as well as in the ovarian cancer patient subset (75% vs 14%) and the TNBC patient subset (25% and 9%).
Corporate Update

Significantly strengthened balance sheet with the successful completion in February 2021 of a $92 million public offering with approximately $86 million net proceeds to support execution on the next phase of eganelisib development.
Full Year 2020 Financial Results:

At December 31, 2020, Infinity had total cash, cash equivalents and available-for-sale securities of $34.1 million, compared to $42.4 million at December 31, 2019.
Revenue during 2020 was $1.7 million, which relates to royalties on net sales of Copiktra from Verastem, Inc. and Secura Bio, Inc., who purchased the rights to Copiktra in 2020. Revenue during 2019 was $3.0 million which primarily relates to the achievement of a $2.0 million milestone from PellePharm.
Research and development expense for 2020 was $26.8 million, compared to $27.1 million in 2019.
General and administrative expense was $12.4 million for 2020, compared to $14.3 million for 2019. The decrease in G&A expense in 2020 compared to 2019 was primarily due to a decrease of $0.8 million in compensation, primarily related to a reduction in stock compensation, and a decrease of $0.5 million in professional services.
Net loss for 2020 was $40.5 million, or a basic and diluted loss per common share of $0.68, compared to a net loss of $47.1 million, or a basic and diluted loss per common share of $0.83 for 2019. The decrease in net loss was mostly driven by a decrease in royalty expense in 2020. In 2019, Takeda consented to the sale of the royalties to HealthCare Royalty Partners III, L.P. (HCR) and agreed to forego its rights to an equal share of the royalties due from Secura Bio. In exchange, we paid Takeda $6.7 million representing 25% of the net proceeds from the royalty monetization which we recognized as royalty expense in 2019.
Financial Outlook: Infinity’s 2021 financial guidance, following the closing in February 2021 of a $92 million public offering of Infinity’s common stock is as follows:

Net Loss: Infinity expects net loss for 2021 to range from $40 million to $50 million.
Cash and Investments: Infinity expects to end 2021 with a year-end-cash, cash equivalents and available for sale securities balance ranging from $70 million to $80 million.
Infinity’s financial guidance does not include
additional funding or business development activities, or
a potential $5 million milestone payment from BVF for positive patidegib Phase 3 data and any milestones from, or the sale of the company’s equity interest in, PellePharm
Conference Call Information

Infinity will host a conference call today, March 16, 2021, at 4:30 p.m. ET to discuss these financial results and company updates. A live webcast of the conference call can be accessed in the "Investors/Media" section of Infinity’s website at www.infi.com. To participate in the conference call, please dial (877) 316-5293 (domestic) and (631) 291-4526 (international) five minutes prior to start time. The conference ID number is 7174736. An archived version of the webcast will be available on Infinity’s website for 30 days.