Cellectar Biosciences’ CLR 131 Demonstrates Preliminary Activity in Phase I Study for Pediatric Brain and Solid Tumors

On November 5, 2020 Cellectar Biosciences, Inc. (NASDAQ: CLRB), a late-stage clinical biopharmaceutical company focused on the discovery, development and commercialization of drugs for the treatment of cancer, reported CLR 131 has demonstrated preliminary activity in inoperable brain tumors in a Phase 1 study (Press release, Cellectar Biosciences, NOV 5, 2020, View Source [SID1234570166]). The study is an international, open-label, dose escalation, safety study of CLR 131 in children and adolescents with relapsed or refractory cancers, specifically high grade gliomas (HGGs), high risk neuroblastomas and select soft tissue sarcomas.

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Highlights from the study:

-Four dose levels (15, 30, 45 and 60mCi/m2 ) have been evaluated to date with all deemed safe and tolerated by the independent Data Monitoring Committee; patients are currently being evaluated at the 75mCi/m2 dose level

-Initial activity was expected to occur at doses of 60mCi/m2 and higher; activity has been noted at lower dose levels

-CLR 131 has been measured in tumors, confirming that systemic administration of CLR 131 crosses the blood brain barrier and is delivered into tumors

-Disease control has been exhibited in heavily pretreated patients with ependymomas

"CLR 131’s ability to cross the blood brain barrier along with the initial responses in pediatric brain tumors are most encouraging. CLR 131 may provide an attractive new treatment option for these patients beyond the current paradigms of external beam radiation and/or systemic targeted radiation as standards of care," said Dr. John Friend, CMO of Cellectar. "These ultra-orphan pediatric indications align with the development and regulatory strategy that we have successfully employed with our lead program in heme-oncology. We look forward to providing feedback from our recent FDA Guidance meeting, outlining the registrational pathway for our priority adult hematology indications and planned initiation of our pivotal trial later in the fourth quarter."

Similar to previous CLR 131 studies in adults, this study demonstrated that 20-40% of the infused CLR 131 is delivered to the tumors. Additionally, the study demonstrated that systemic administration of CLR 131 results in a sufficient proportion of infused drug crossing the blood brain barrier and is delivered to different types of malignant brain tumors. CLR 131 has achieved disease control at multiple dose levels in rapidly progressing, heavily pretreated patients, including two patients at distinct dose levels with rapidly growing ependymomas. Pediatric HGGs are a collection of aggressive brain and central nervous system tumor subtypes (i.e. diffuse intrinsic pontine gliomas, glioblastomas, astrocytomas, ependymomas, etc.) with about 400 new pediatric cases diagnosed annually in the United States. Children with these tumors have a poor prognosis and limited 5 year survival.

It is noteworthy that CLR 131 is currently being dosed at 75mCi/m2 and when compared to another targeted radiotherapeutic, MIBG-Iodine-131 (second line standard of care in neuroblastoma), CLR 131 achieves a nearly 16 fold increase in the amount of radiation delivered to the tumor. This enhanced delivery suggests that doses of CLR 131 between 60 and 75mCi/m2 would be predicted to achieve similar responses in patients as an MIBG-Iodine-131 dose of up to 1,300mCi. Neuroblastoma is a cancer type that occurs in immature nerve cells of the adrenal gland, neck, chest or spinal cord with approximately 800 new cases diagnosed per year in the United States. Over 60% of the newly diagnosed cases of neuroblastoma are advanced with at least one site of metastasis resulting in a poor patient prognosis.

About CLR 131

CLR 131 is a small-molecule Phospholipid Drug Conjugate designed to provide targeted delivery of iodine-131 (radioisotope) directly to cancer cells, while limiting exposure to healthy cells unlike many traditional on-market treatment options. CLR 131 is the company’s lead product candidate and is currently being evaluated in a Phase 2 study in B-cell lymphomas, and a Phase 1 dose-escalating clinical study in pediatric solid tumors and lymphomas. The company recently completed a Phase 1 dose-escalation clinical study in relapsed/refractory (r/r) multiple myeloma. The U.S. Food and Drug Administration (FDA) granted CLR 131 Fast Track Designation for both r/r multiple myeloma and r/r diffuse large B-cell lymphoma and Orphan Drug Designation (ODD) for the treatment of multiple myeloma, lymphoplasmacytic lymphoma (LPL)/Waldenstrom’s macroglobulinemia (WM), neuroblastoma, rhabdomyosarcoma, Ewing’s sarcoma and osteosarcoma. CLR 131 was also granted Rare Pediatric Disease Designations for the treatment of neuroblastoma, rhabdomyosarcoma, Ewing’s sarcoma and osteosarcoma. Earlier this year, the European Commission granted an ODD for r/r multiple myeloma and most recently, the FDA granted Fast Track Designation for CLR 131 in LPL/WM in patients having received two prior treatment regimens or more.

ERYTECH Announces Abstract with Results from Eryaspase Phase 2 Trial in Acute Lymphoblastic Leukemia Selected for
Oral Presentation at the American Society of Hematology 2020 Annual Meeting

On November 5, 2020 ERYTECH Pharma (Nasdaq & Euronext: ERYP), a clinical-stage biopharmaceutical company developing innovative therapies by encapsulating therapeutic drug substances inside red blood cells, reported that an abstract detailing results from the NOPHO sponsored Phase 2 trial of eryaspase in ALL patients, has been selected for oral presentation at the upcoming 62nd American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting being held virtually December 5-8 (Press release, ERYtech Pharma, NOV 5, 2020, View Source [SID1234570160]). A second abstract detailing population pharmacokinetics of eryaspase in ALL or pancreatic adenocarcinoma patients has been accepted for a poster presentation at the meeting.

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Abstract #467: NOR-GRASPALL 2016 (NCT03267030): Asparaginase encapsulated in Erythrocytes (eryaspase) – a promising alternative to PEG-asparaginase in case of hypersensitivity

The NOR-GRASPALL-2016 trial evaluated the safety and pharmacological profile of eryaspase in ALL patients who developed hypersensitivity reactions to pegylated asparaginase. The trial was conducted at 21 clinical sites in the Nordic and Baltic countries of Europe and enrolled 55 patients. The study findings will be featured as an oral presentation at ASH (Free ASH Whitepaper) by Dr. Line Stensig Lynggaard, representing NOPHO, on 6th December 2020 2.45pm PST/ 5.45pm EST / 11.45pm CET. Final results from this trial will be presented at the meeting.

The abstract can be found on-line at: View Source

Abstract #2799: Population Pharmacokinetics of Eryaspase in Patients with Acute Lymphoblastic Leukemia or Pancreatic Adenocarcinoma

An analysis of the population pharmacokinetics (Pop PK) of eryaspase in patients with ALL or pancreatic adenocarcinoma (PAC) will be presented as a poster by Dr. Frank Hoke (ERYTECH’s Head of Clinical Pharmacology) on Monday 7th December 2020 from 8am PST / 11am EST / 5pm CET. The analysis shows the extended circulation time of eryaspase, provides information on patient factors that influence the exposure of eryaspase, and evaluates patient population (PAC vs ALL) and formulation (native vs recombinant).

The abstract can be found on-line at: View Source

"We are proud to be working with the NOPHO group and look forward to their presentation of new clinical data for the treatment of ALL at ASH (Free ASH Whitepaper) this year. Alongside the POP PK analysis, the reporting of the NOPHO study represents significant progress towards our goal of finding a potential path forward with the FDA for eryaspase in ALL," said Dr. Iman El-Hariry, ERYTECH’s Chief Medical Officer. "We believe that our science-driven approach to the development of eryaspase will provide a new option for people with ALL and, potentially, other haematological malignancies and solid tumours."

Data included in the abstracts is based on data cut-offs in second quarter 2020. The final oral presentation and poster will include additional data collected between the abstract submission cut-off and the ASH (Free ASH Whitepaper) congress.

About Acute Lymphoblastic Leukemia

Acute lymphoblastic leukemia (ALL) is a cancer of the blood and bone marrow that is the most common type of cancer in children in the US and Europe. More than 13,000 cases are diagnosed in the US and Europe each year with the majority of patients diagnosed before age 20. Asparaginase has been an integral component of ALL treatment for several years but is associated with treatment-limiting hypersensitivity in up to 30% of patients. Discontinuation of asparaginase therapy in ALL patients has been associated with inferior event free survival highlighting the need for additional asparaginase based treatment options.

Adaptimmune Reports Q3 Financial Results and Business Update

On November 5, 2020 Adaptimmune Therapeutics plc (Nasdaq: ADAP), a leader in cell therapy to treat cancer,reported financial results and provided a business update for the third quarter ended September 30, 2020 (Press release, Adaptimmune, NOV 5, 2020, View Source [SID1234570156]).

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"Later this month, we will present data at SITC (Free SITC Whitepaper) and CTOS. Data to be presented at SITC (Free SITC Whitepaper) from the dose escalation cohorts of our SURPASS trial confirm that ADP-A2M4CD8 is a highly active agent across a range of tumors. At CTOS, we will present data regarding the durability of responses in synovial sarcoma, which support our ambition to market ADP‑A2M4 in 2022. And finally, at our Investor Day, I will lay out our broader strategy including the opportunity we see for our late-stage pipeline," said Adrian Rawcliffe, Adaptimmune’s Chief Executive Officer. "Recruitment into our clinical trials has been steadily recovering following the first wave of COVID-19 and projected patient numbers currently look good for the remainder of this year and into 2021."

PLANNED MILESTONES Q4 2020

Four posters to be presented at the virtual SITC (Free SITC Whitepaper) meeting (November 9-14)
Poster entitled "Initial safety, efficacy, and product attributes from the SURPASS trial with ADP‑A2M4CD8, a SPEAR T-cell therapy incorporating an affinity optimized TCR targeting MAGE-A4 and a CD8α co-receptor" with an update on the dose escalation cohorts (6 patients in total)
Poster entitled "Inhibition of AKT signaling during expansion of TCR-Engineered T-Cells from patient leukocyte material generates SPEAR T-Cells with enhanced functional potential in vitro" with data indicating that AKT inhibition during manufacture of SPEAR T-cells results in a more consistent expansion and phenotype of the final product
Two posters about the previously terminated ADP-A2M10 Phase 1 program: one for the lung cancer trial, and one for the triple tumor trial in melanoma, urothelial, and head & neck cancers
Durability of response data from patients with synovial sarcoma from the ADP-A2M4 Phase 1 trial to be presented in an oral presentation at the virtual CTOS conference ("Immunotherapy in Sarcoma" session on November 19, 2020 from 9 a.m. to 10 a.m. EST)
Investor Day to be held on November 20, 2020
CLINICAL UPDATES

As the management of COVID-19 at clinical sites continues to evolve, there has been an increase in recruitment and enrollment during the latter part of Q3 and into Q4 for all ongoing clinical trials
SPEARHEAD-1 is recruiting well and remains on target to complete enrollment in the first half of 2021
On track to start a Phase 2 trial with ADP-A2M4CD8 in gastroesophageal cancers (gastric, esophageal, and esophagogastric junction) in the first half of 2021
Data update from the Phase 1 ADP-A2AFP trial presented in an oral presentation and poster, at the International Liver Congress, confirmed safety profile and demonstrated potential benefit for patients with hepatocellular carcinoma. Four patients were treated with ~5 billion or more transduced cells with best responses of one complete response, one patient with stable disease, and two patients with progressive disease.
Presented SPEARHEAD-2 trial-in-progress poster at ESMO (Free ESMO Whitepaper) summarizing design for this first combination clinical trial with ADP-A2M4 and pembrolizumab
Financial Results for the three and nine month periods ended September 30, 2020

Cash / liquidity position: As of September 30, 2020, Adaptimmune had cash and cash equivalents of $78.5 million and Total Liquidity1 of $399.9 million.

Revenue: Revenue for the three and nine months ended September 30, 2020 was $1.2 million and $2.5 million, respectively, compared to $0.2 million and $0.4 million for the same periods in 2019. Revenue increased due to the commencement of development activity under the Astellas Collaboration Agreement and increased development activity under the GSK Collaboration and License Agreement.

Research and development (R&D) expenses: R&D expenses for the three and nine months ended September 30, 2020 were $24.1 million and $65.8 million, respectively, compared to $29.6 million and $77.1 million for the same periods in 2019. R&D expenses were higher in the three and nine months ended September 30, 2019 due to recognition of accrued purchase commitment expenses related to the supply of the Dynabeads CD3/CD28 technology of $5.0 million and in-process research and development as a result of entering into a collaboration agreement with Noile-Immune Biotech, Inc. in August 2019. The nine-month period ended September 30, 2019 also included $2.0 million of in-process research and development as a result of entering into a collaboration agreement with Alpine Immune Sciences, Inc. in May 2019.

General and administrative (G&A) expenses: G&A expenses for the three and nine months ended September 30, 2020 were $13.0 million and $32.6 million, respectively, compared to $10.7 million and $32.7 million for the same periods in 2019. The increase in the three months ended September 30, 2020 was primarily driven by an increase in professional fees, investment in our IT systems, and costs associated with the buildout of our commercial capabilities.

Net loss: Net loss attributable to holders of the Company’s ordinary shares for the three and nine months ended September 30, 2020 was $35.4 million and $93.5 million, respectively, and $(0.04) and $(0.11) per ordinary share, respectively, compared to $39.3 million and $107.8 million and $(0.06) and $(0.17) per ordinary share for the same periods in 2019.
Financial guidance

The Company believes that its existing cash, cash equivalents and marketable securities will fund the Company’s current operations into 2022, as further detailed in the Company’s Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2020, to be filed with the Securities and Exchange Commission following this earnings release.

Conference Call and Webcast Information
The Company will host a live teleconference at 8:00 a.m. EST (1:00 p.m. GMT) today, November 5, 2020. The live webcast of the conference call will be available in the investor section of Adaptimmune’s corporate website at www.adaptimmune.com. An archive will be available after the call at the same address. To participate in the live conference call, please dial (833) 652-5917 (U.S. or Canada) or +1 (430) 775-1624 (International). After placing the call, please ask to be joined into the Adaptimmune conference call and provide the confirmation code (6183339).

XOMA Highlights Recent Royalty Asset Portfolio Developments and Reports Third Quarter 2020 Financial Results

On November 5, 2020 XOMA Corporation (Nasdaq: XOMA), reported recent royalty asset portfolio advancements and its third quarter 2020 financial results (Press release, Xoma, NOV 5, 2020, View Source [SID1234570155]).

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"Our partners continue to make advances in their missions to bring new therapies to patients in need. Recently, two separate partners dosed the first patients in their respective Phase 2 studies – Novartis with NIS793, an anti-TGFß monoclonal antibody, in patients with metastatic pancreatic cancer, and one undisclosed partner’s Phase 2 trial in an undisclosed indication. These two events resulted in our earning a combined $25.5 million in milestones, and a portion of the $25 million Novartis milestone will be applied to reduce our Novartis debt obligation to less than $10 million," stated Jim Neal, Chief Executive Officer at XOMA. "Another three partners announced the initiation of Phase 2 studies in the third quarter – Bayer’s osocimab CONVERT study in patients with kidney failure requiring hemodialysis, Rezolute’s RZ358 study in congenital hyperinsulinism, and Incyte’s triple combination therapy study in select advanced malignancies. Additionally, the medical community received its first look at early data from two assets in our portfolio, Merck’s MK-4830 and Alligator/Janssen’s mitazalimab (anti-CD40 mAb), via presentations at medical conferences over the summer.

"We were pleased to learn Rezolute completed a sizable fundraise that attracted high-quality investors. Their successful financing resulted in the accelerated payment of $1.4 million to XOMA," Mr. Neal continued. "On the royalty interest acquisition front, we exercised our option to acquire the royalty rights associated with the enzymes being investigated as potential treatments for four lysosomal storage disorders under Bioasis’ strategic alliance with Chiesi Group. This basket of enzymes expands our portfolio beyond monoclonal antibodies and small molecules and adds another four assets to our potential milestone and royalty portfolio of 65-plus disclosed and undisclosed assets."

Financial Results

XOMA recorded total revenues of $0.6 million for the third quarter of 2020, compared with $8.9 million in the third quarter of 2019. The decrease for the three months ended September 30, 2020, as compared to the corresponding period of 2019, was primarily due to $6.0 million recognized under the Rezolute agreement and $2.5 million recognized under the Janssen license agreement in the third quarter of 2019.

Research and development expenses were $0.03 million for the third quarter of 2020, compared to $0.1 million for the third quarter of 2019. The decrease of $0.1 million for the three months ended September 30, 2020, compared to the same period of 2019, was due to a $0.1 million decrease in salary and related expenses as a result of the recategorization of employees to department codes mapped to general and administrative expenses.

General and administrative ("G&A") expenses were $3.2 million for the third quarter of 2020, compared to $5.8 million for the third quarter of 2019. The decrease of $2.6 million between the corresponding periods of 2020 and 2019 was primarily due to a $1.3 million decrease in salary and related expenses and a $0.9 million decrease in facilities costs.

In the third quarter of 2020, G&A expenses included $0.7 million in stock-based compensation, which is a non-cash expense. The Company’s net cash used in operations was $2.4 million.

In the third quarter of 2020, XOMA recorded $0.4 million in total interest expense, as compared to $0.5 million in the corresponding period of 2019, both of which reflect the Company’s outstanding loan balances with Silicon Valley Bank (SVB) and Novartis.

Net loss for the third quarter of 2020 was $1.1 million, compared to net income of $3.2 million for the third quarter of 2019.

On September 30, 2020, XOMA had cash of $45.7 million. The Company ended December 31, 2019, with cash of $56.7 million. Since September 30, 2020, XOMA has earned $25.5 million, including debt reduction, from its partners. The Company continues to believe its current cash balance will be sufficient to fund XOMA’s operations for multiple years.

Regeneron Reports Third Quarter 2020 Financial and Operating Results

On November 5, 2020 Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) reported financial results for the third quarter of 2020 and provided a business update (Press release, Regeneron, NOV 5, 2020, View Source [SID1234570154]).

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"Last week, Regeneron achieved an important milestone in the fight against COVID-19 with prospective Phase 2/3 results showing REGN-COV2 significantly reduced virus levels and the need for further medical attention in non-hospitalized patients; we have shared these important data with regulatory authorities," said Leonard S. Schleifer, M.D., Ph.D., President and Chief Executive Officer of Regeneron. "Even with our intense commitment to fighting COVID-19, Regeneron continues to deliver across all aspects of our business. This quarter we had robust top- and bottom-line growth driven by EYLEA in retinal diseases and Dupixent in atopic dermatitis and asthma. In 2021, we look forward to important potential launches including for our PD-1 inhibitor Libtayo in non-small cell lung cancer and advanced basal cell carcinoma. Lastly, we are proud that our novel antibody cocktail REGN-EB3 recently became the first FDA-approved treatment for Ebola, underscoring the potential of antibody therapies to address deadly infectious diseases."

"We continue to invest in our promising pipeline while delivering meaningful revenue and earnings growth. Our revenue base is becoming more diversified with increasing contribution from Dupixent and Libtayo," said Robert E. Landry, Executive Vice President, Finance and Chief Financial Officer of Regeneron. "This is evidenced by Dupixent achieving in excess of $1 billion in global net sales this quarter."
Key Pipeline Progress
Regeneron has more than 20 product candidates in clinical development, including five marketed products for which it is investigating additional indications. Updates from the clinical pipeline include:
Dupixent (dupilumab)
•In October 2020, the Company and Sanofi announced that a Phase 3 trial met its primary and all key secondary endpoints in children aged 6 to 11 years with uncontrolled moderate-to-severe asthma. Regulatory submissions in the United States and European Union (EU) are planned by the first quarter of 2021.
•The European Medicines Agency’s Committee for Medicinal Products for Human Use (CHMP) adopted a positive opinion for Dupixent, recommending to extend the approval in the EU to include children aged 6 to 11 years with severe atopic dermatitis who are candidates for systemic therapy.
•The U.S. Food and Drug Administration (FDA) granted Breakthrough Therapy designation for the treatment of patients 12 years and older with eosinophilic esophagitis (EoE).

REGN-COV2, a dual antibody therapy to SARS-CoV-2 virus
•In October 2020, the Company submitted a request to the FDA for an Emergency Use Authorization (EUA) for REGN-COV2 in patients with mild-to-moderate COVID-19 who are at risk for poor outcomes.
•In October 2020, the Company announced positive results from an ongoing Phase 2/3 seamless trial in the COVID-19 outpatient setting showing REGN-COV2 met the primary and key secondary endpoints. REGN-COV2 significantly reduced viral load and patient medical visits (hospitalizations, emergency room, urgent care visits, and/or physician office/telemedicine visits). In September 2020, the Company also reported the first data from a descriptive analysis in this trial.
•In October 2020, the Independent Data Monitoring Committee (IDMC) for the REGN-COV2 treatment trials for COVID-19 recommended that the current hospitalized patient trial be modified. Specifically, based on a potential safety signal and an unfavorable risk/benefit profile at this time, the IDMC recommended that further enrollment of patients requiring high-flow oxygen or mechanical ventilation be placed on hold pending collection and analysis of further data on patients already enrolled. The IDMC also recommended continuing enrollment of hospitalized patients requiring either no or low-flow oxygen as the risk/benefit remains acceptable in these cohorts. Finally, the IDMC recommended continuation of the outpatient trial (described further above) without modification.
2

•In September 2020, the Company and the University of Oxford announced that the RECOVERY Phase 3 open-label trial in the United Kingdom will evaluate REGN-COV2. This trial, which is being coordinated by researchers at the University of Oxford, is in patients hospitalized with COVID-19 and will compare the effects of adding REGN-COV2 to the usual standard-of-care versus standard-of-care on its own. The RECOVERY IDMC is aware of the IDMC recommendations made in connection with the REGN-COV2 treatment trials (described above), and will be discussing the impact, if any, on the RECOVERY trial.

Oncology Program
•The FDA accepted for priority review, with a target action date of February 28, 2021, the supplemental Biologics License Application (sBLA) for Libtayo (cemiplimab) as monotherapy to treat patients with first-line locally advanced or metastatic non-small cell lung cancer (NSCLC) with ≥50% PD-L1 expression. A regulatory application for Libtayo as monotherapy in first-line NSCLC was also submitted in the EU.
•The FDA accepted for priority review, with a target action date of March 3, 2021, the sBLA for Libtayo for the treatment of patients with locally advanced or metastatic basal cell carcinoma (BCC). A regulatory application for Libtayo in advanced BCC was also submitted in the EU.
•Patient enrollment in the Libtayo Phase 3 first-line NSCLC chemotherapy combination study was completed.
•The Company and Sanofi presented positive data from pivotal trials for Libtayo monotherapy in first-line NSCLC and Libtayo monotherapy in BCC at the European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper) Virtual Congress 2020.
•A Phase 2 study of REGN5458, a bispecific antibody targeting BCMA and CD3, was initiated in multiple myeloma.

InmazebTM (atoltivimab, maftivimab, and odesivimab-ebgn)
•In October 2020, the FDA approved Inmazeb (REGN-EB3) for the treatment of infection caused by Zaire ebolavirus in adult and pediatric patients, including newborns of mothers who have tested positive for the infection.

Praluent (alirocumab)
•The FDA accepted for review the sBLA for homozygous familial hypercholesterolemia (HoFH) in adults, with a target action date of April 4, 2021.

Evinacumab, an antibody to ANGPTL3
•The FDA accepted for priority review the BLA for HoFH, with a target action date of February 11, 2021. An MAA for HoFH has also been submitted in the EU.
•The New England Journal of Medicine (NEJM) published positive results from the Phase 3 trial in HoFH, showing that adding evinacumab to other lipid-lowering therapies cut bad cholesterol levels in half in patients with HoFH, including the most difficult to treat patients who had nearly non-existent LDL-receptor activity.

3

Corporate and Business Development Update
•In July 2020, the Company announced an agreement whereby the Company was awarded a $450 million contract to manufacture and supply REGN-COV2 to the U.S. government. The Company commenced delivery of REGN-COV2 drug product under the agreement during the third quarter of 2020. The Company continues to ramp up production for REGN-COV2 and now expects to have approximately 80,000 doses available by the end of November, approximately 200,000 total doses ready by the first week of January 2021, and approximately 300,000 total doses ready by the end of January 2021.
•In August 2020, the Company entered into a collaboration agreement with Roche to develop, manufacture, and distribute REGN-COV2. Each company has committed to dedicate a certain amount of manufacturing capacity to REGN-COV2 each year, and the collaboration is expected to substantially increase supply of REGN-COV2. Under the terms of the agreement, Regeneron will distribute and record sales for REGN-COV2 in the United States and Roche will be responsible for distribution outside the United States.
•In July 2020, the U.S. Department of Health and Human Services (HHS) exercised its option under the existing agreement for the treatment of Ebola virus infection to provide additional funding for the manufacture and supply of Inmazeb, pursuant to which Regeneron expects to deliver a pre-specified number of treatment doses over the course of approximately six years.
•In August 2020, the Company issued and sold $2.0 billion aggregate principal amount of senior unsecured notes. See further details in the "Other Financial Information" section below.

Third Quarter 2020 Financial Results

Effective January 1, 2020, Regeneron implemented changes in the presentation of its financial statements related to certain reimbursements and other payments for products developed and commercialized with collaborators. The Company made these changes in presentation to better reflect the nature of the Company’s costs incurred and revenues earned pursuant to arrangements with collaborators and to enhance the comparability of Regeneron’s financial statements with industry peers. The change in presentation has been applied retrospectively. See note (4) below for further information.
Revenues
Total revenues increased by 32% to $2.294 billion in the third quarter of 2020, compared to $1.744 billion in the third quarter of 2019.
EYLEA net product sales in the United States increased to $1.318 billion in the third quarter of 2020, compared to $1.188 billion in the third quarter of 2019. Overall distributor inventory levels for EYLEA in the United States remained within the Company’s one-to-two-week targeted range.
Total revenues also include Sanofi and Bayer collaboration revenues(2) of $653 million in the third quarter of 2020, compared to $469 million in the third quarter of 2019. Sanofi collaboration revenue increased primarily due to the Company’s share of profits from commercialization of antibodies, which increased to $213 million in the third quarter of 2020 from $94 million in the third quarter of 2019. The change in the Company’s share of profits from commercialization of antibodies was primarily driven by higher Dupixent profits. In addition, in the third quarter of 2020, the Company earned the first $50 million sales-based milestone from Sanofi, upon annual sales of antibodies outside the United States exceeding $1.0 billion on a rolling twelve-month basis.
4
Refer to Table 4 for a summary of collaboration revenue.
Other revenues in the third quarter of 2020 include recognition of revenue in connection with the Company’s agreements with BARDA related to funding of certain REGN-COV2 and Inmazeb development activities.
•The higher GAAP and non-GAAP R&D expenses in the third quarter of 2020 were primarily due to additional costs incurred in connection with COVID-19 related development activities, higher headcount and headcount-related costs, and an increase in clinical manufacturing activities.
•The higher GAAP and non-GAAP SG&A expenses in the third quarter of 2020 were primarily due to commercialization-related costs for EYLEA and Praluent, and higher headcount-related costs.
•The increase in cost of collaboration and contract manufacturing in the third quarter of 2020 was primarily due to the recognition of manufacturing costs associated with higher sales of Dupixent and recognition of costs in connection with manufacturing ex-U.S. commercial supplies of Praluent for Sanofi.
•Other operating (income) expense, net, includes recognition of a portion of amounts previously deferred in connection with up-front and development milestone payments, as applicable, received in connection with the Company’s collaborative arrangements.
Other Financial Information
GAAP other income (expense), net, includes the recognition of net losses on equity securities of $37 million in the third quarter of 2020, compared to net gains of $3 million in the third quarter of 2019.
In the third quarter of 2020, the Company’s GAAP effective tax rate was 15.6%, compared to 12.9% in the third quarter of 2019. The GAAP effective tax rate for the third quarter of 2020 was positively impacted, compared to the U.S. federal statutory rate, primarily by stock-based compensation, and, to a lesser extent, income earned in foreign jurisdictions with tax rates lower than the U.S. federal statutory rate and federal tax credits for research activities. In the third quarter of 2020, the non-GAAP effective tax rate was 16.3%, compared to 13.6% in the third quarter of 2019.
GAAP net income per diluted share was $7.39 in the third quarter of 2020, compared to GAAP net income per diluted share of $5.86 in the third quarter of 2019. Non-GAAP net income per
diluted share was $8.36 in the third quarter of 2020, compared to non-GAAP net income per diluted share of $6.67 in the third quarter of 2019. A reconciliation of the Company’s GAAP to non-GAAP results is included in Table 3 of this press release.
In August 2020, the Company issued and sold $1.250 billion aggregate principal amount of 1.750% senior unsecured notes due 2030 and $750 million aggregate principal amount of 2.800% senior unsecured notes due 2050. Net proceeds to the Company from the issuance and sale of the notes were used in part to repay the $1.5 billion bridge loan facility, which was previously entered into in May 2020 in connection with the Company’s purchase of shares of its common stock held by Sanofi.
Net cash used in operating activities in the third quarter of 2020 was $254 million, compared to $557 million in net cash provided by operating activities in the third quarter of 2019, which led to $(408) million in free cash flow for the third quarter of 2020, compared to $436 million for the third quarter of 2019. The decrease in cash from operating activities primarily resulted from an increase in trade accounts receivable in connection with extending payment terms to certain of the Company’s EYLEA customers due to the COVID-19 pandemic.
This press release uses non-GAAP R&D, non-GAAP SG&A, non-GAAP COGS, non-GAAP other income (expense) net, non-GAAP effective tax rate, non-GAAP net income, non-GAAP net income per share, and free cash flow, which are financial measures that are not calculated in accordance with U.S. Generally Accepted Accounting Principles (GAAP). These non-GAAP financial measures are computed by excluding certain non-cash and/or other items from the related GAAP financial measure. The Company also includes a non-GAAP adjustment for the estimated income tax effect of reconciling items.

The Company makes such adjustments for items the Company does not view as useful in evaluating its operating performance. For example, adjustments may be made for items that fluctuate from period to period based on factors that are not within the Company’s control (such as the Company’s stock price on the dates share-based grants are issued or changes in the fair value of the Company’s investments in equity securities) or items that are not associated with normal, recurring operations (such as restructuring-related expenses, including employee separation costs). Management uses these non-GAAP measures for planning, budgeting, forecasting, assessing historical performance, and making financial and operational decisions, and also provides forecasts to investors on this basis. With respect to free cash flows, the Company believes that this non-GAAP measure provides a further measure of the Company’s operations’ ability to generate cash flows. Additionally, such non-GAAP measures provide investors with an enhanced understanding of the financial performance of the Company’s core business operations. However, there are limitations in the use of these and other non-GAAP financial measures as they exclude certain expenses that are recurring in nature. Furthermore, the Company’s non-GAAP financial measures may not be comparable with non-GAAP information provided by other companies. Any non-GAAP financial measure presented by Regeneron should be considered supplemental to, and not a substitute for, measures of financial performance prepared in accordance with GAAP. A reconciliation of the Company’s historical GAAP to non-GAAP results is included in Table 3 of this press release.
(2) The Company’s collaborators provide it with estimates of the collaborators’ respective sales and the Company’s share of the profits or losses from commercialization of products for the most recent fiscal quarter. The Company’s estimates for such quarter are reconciled to actual results in the subsequent fiscal quarter, and the Company’s share of the profit or loss is adjusted on a prospective basis accordingly, if necessary. (3) The Company’s 2020 financial guidance does not assume the completion of any significant business development transactions not completed as of the date of this press release. (4) Applicable amounts previously reported for the three and nine months ended September 30, 2019 and as of December 31, 2019 have been revised to reflect a change in presentation of cost reimbursements from collaborators who are not deemed to be the Company’s customers from collaboration revenue to a reduction of the corresponding operating expense. The Company also changed the presentation of amounts recognized in connection with up-front and development milestone payments received from collaboration revenue to other operating income, as well as the presentation of the corresponding balance sheet accounts. The revisions were reclassifications only and had no impact on the Company’s previously reported GAAP and non-GAAP net income and net income per share. Refer to the Company’s Form 10-Q for the quarterly period ended September 30, 2020 (Note 1 of the Notes to Condensed Consolidated Financial Statements) for further details. (5) Corresponding reimbursements from collaborators and others for manufacturing of commercial supplies is recorded within revenues.Conference Call Information

Regeneron will host a conference call and simultaneous webcast to discuss its third quarter 2020 financial and operating results on Thursday, November 5, 2020, at 8:30 AM. To access this call, dial (888) 660-6127 (U.S.) or (973) 890-8355 (International), conference ID 1535889. A link to the webcast may be accessed from the "Investors and Media" page of Regeneron’s website at www.regeneron.com. A replay of the conference call and webcast will be archived on the Company’s website and will be available for at least 30 days.