On May 10, 2018 Ziopharm Oncology, Inc. (Nasdaq:ZIOP), reported financial results for the first quarter ended March 31, 2018, and provided an update on the Company’s recent activities (Press release, Ziopharm, MAY 10, 2018, View Source [SID1234526499]).

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"The landscapes of CAR-T therapies and the use of cytokines are playing out as anticipated," said Laurence Cooper, M.D., Ph.D., Chief Executive Officer of Ziopharm. "Regarding CAR-T, we find the dominating concern among patients, physicians and payers is the high costs and lengthy manufacturing time. We are addressing these issues head on with Sleeping Beauty CAR-T cells manufactured in two days with our technology called ‘point-of-care,’ which we expect to enter the clinic this year."

Dr. Cooper continued, "Immune-stimulatory cytokines have gained significant momentum as potential combination therapies with immune checkpoint inhibitors. We are excited to build on our Controlled IL-12 platform and its ability to turn cold tumors hot as we explore more tumor types that can benefit from our ability to regulate IL-12."

Program Updates

Controlled IL-12

Ziopharm is advancing Ad-RTS-hIL-12 plus veledimex as a gene therapy to treat patients with recurrent glioblastoma (rGBM) as a monotherapy and in combination with an immune checkpoint inhibitor. Ad-RTS-hIL-12 plus veledimex is an adenoviral vector (Ad) administered via a single injection into the tumor and engineered to express human IL-12 (hIL-12), a powerful cytokine that has demonstrated a targeted, anti-tumor immune response with the ability to activate and recruit killer T cells to the tumor site. The expression of hIL-12 is controlled and modulated with the RheoSwitch Therapeutic System (RTS) by the small molecule veledimex, an activator ligand which is taken by mouth and crosses the blood-brain barrier.

The Company reported that it is focusing its resources on studies of Controlled IL-12 in additional tumor types to demonstrate the value of this platform technology and, as a result, the Company is pausing plans for the pivotal trial in rGBM.

Combination Trial with OPDIVO (nivolumab) in rGBM Initiated. Ziopharm has initiated a trial of adult patients with rGBM to evaluate a single dose of Ad-RTS-hIL-12 plus daily veledimex for 15 days in combination with OPDIVO (nivolumab), an immune checkpoint inhibitor targeting programmed death-1 (PD-1). In January, the protocol for this first-ever dosing combination was finalized with the U.S. Food and Drug Administration (FDA), and since then the Company has been working with clinical trial sites. Ziopharm expects the first patient to be dosed in this trial in the second quarter.

Additional Oncology Indications to be Explored Including in Combination with Immune Checkpoint Inhibitors. The Company previously has presented compelling data demonstrating that Ad-RTS-hIL-12 plus veledimex can turn cold tumors hot by recruiting and activating a sustained immune response that favorably changes the tumor microenvironment in different tumor types. Therefore, Ziopharm plans to explore the potential of the Controlled IL-12 platform by combining it with immune checkpoint inhibitors in multiple tumor types in addition to rGBM later this year.

Pivotal Trial in rGBM Paused. Ziopharm is pausing plans for its pivotal randomized control trial for Ad-RTS-hIL-12 plus 20mg dose of veledimex for the treatment of rGBM. The Company is progressing in resolving previously disclosed technical requirements related to Chemistry and Manufacturing Control (CMC), making this asset phase-3 ready for rGBM.

Expansion Substudy Added to Phase 1 Trial in rGBM. Ziopharm is initiating an expansion substudy in its Phase 1 trial to evaluate Ad-RTS-hIL-12 plus veledimex as a monotherapy to treat patients with rGBM. The Company is adding patients who have not received steroids for four weeks prior and have not been treated with bevacizumab for their disease to the cohort receiving a 20mg dose of veledimex. Previously, the Company has shown improvement in survival benefit in patients who received Ad-RTS-hIL-12 plus 20mg of veledimex with no steroids or low-dose steroids. The data from these patients will help further understand the benefits of IL-12 as a single-agent.

Phase 1 for Pediatric Tumors Ongoing. Ziopharm is enrolling pediatric patients in its Phase 1 trial of Ad-RTS-hIL-12 with veledimex for the treatment of brain tumors at multiple U.S. sites.

ASCO 2018 Poster Title Announced. The company reported that a research poster entitled, "Demonstration of Anti-Tumor Immunity via Intratumoral Regulated Platform Ad-RTS-hIL-12 in Advanced Breast Cancer and Recurrent Glioblastoma Patients," has been accepted for presentation during the 2018 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) annual meeting. The presentation is scheduled for the Developmental Therapeutics-Immunotherapy poster session on Monday, June 4, 8 to 11:30 a.m. CT in Hall A. Abstract details will be made public on May 16, per ASCO (Free ASCO Whitepaper) embargo rules.

Sleeping Beauty and Adoptive Cell Therapies

Using Ziopharm’s non-viral approach leveraging Sleeping Beauty platform to genetically modify cells, the Company is developing chimeric antigen receptor (CAR) T-cell (CAR-T) and T-cell receptor (TCR) T-cell (TCR-T) therapies. These programs are being advanced in collaboration with Precigen Inc., a wholly-owned subsidiary of Intrexon Corporation, and with MD Anderson Cancer Center, the National Cancer Institute and Merck KGaA, Darmstadt, Germany. This non-viral approach to genetically modifying T cells has the potential to reduce the costs of and expand access to this immunotherapy based on very rapid production and thus avoiding the need for centralized manufacturing.

Initiation of First Point-of-Care Clinical Trial Expected in Second Half of 2018. Ziopharm is advancing the Sleeping Beauty platform towards point-of-care manufacturing for the very rapid manufacturing of genetically modified CAR+ T cells, with Ziopharm’s first clinical trial utilizing this approach expected to begin in the second half of 2018. Ziopharm’s third-generation point-of-care trial intends to use the Sleeping Beauty platform to manufacture CAR+ T cells co-expressing membrane-bound interleukin-15, or mbIL15, within two days after genetically modifying T cells from the patient. The Company reported that the investigational new drug (IND) application has been submitted to the FDA by MD Anderson to initiate a Phase 1 trial to evaluate the point-of-care technology for the investigational treatment of CD19+ leukemia and lymphoma.

Phase 1 Trial of Sleeping Beauty-Modified TCRs to Treat Solid Tumors Expected to Initiate in Second Half of 2018. The NCI expects to initiate a Phase 1 trial in the second half of 2018 to evaluate adoptive cell transfer-based immunotherapies genetically modified using the Sleeping Beauty platform to express TCRs for the treatment of solid tumors. Ziopharm, Intrexon, and the NCI last year entered into a Cooperative Research and Development Agreement to develop and evaluate adoptive cell therapy for patients with advanced cancers using autologous peripheral blood lymphocytes genetically modified using the Sleeping Beauty system to express TCRs that recognize specific immunogenic mutations, or neoantigens, expressed within a patient’s solid tumor.

Phase 1 Trial of CD33-specific CAR+ T Therapy for Acute Myeloid Leukemia (AML). Enrollment is underway at MD Anderson in the Phase 1 adoptive cellular therapy clinical trial of CAR+ T-cell therapy in patients with refractory/recurrent AML that express CD33. This trial infuses autologous T cells genetically modified with lentivirus to express a CD33-specific CAR and a kill switch for elimination of genetically modified cells. Data from this trial are expected to serve as the basis for evaluating CD33 as a potential target for further development using non-viral manufacturing of T cells with Ziopharm’s point-of-care technology.

Corporate Update

Ziopharm appointed Robert Hadfield, who has financial, biotech and legal experience, to serve as general counsel. He joined the company from the Longwood Fund, a health care venture capital firm in Boston, and Flex Pharma before that, serving as general counsel in both. Mr. Hadfield received his J.D. from Georgetown University.

First-Quarter 2018 Financial Results

Net loss applicable to the common shareholders for the first quarter of 2018 was $21.1 million, or $(0.15) per share, compared to a net loss of $19.7 million, or $(0.15) per share, for the first quarter of 2017. The increased net loss is primarily due to a decrease in revenue recognized related to the implementation of ASU 2014-09 and an increase in operating expenses.
Research and development expenses were $10.2 million for the first quarter of 2018, compared to $12.0 million for the first quarter of 2017. The decrease in research and development expenses for the three months ended March 31, 2018 is primarily due to decreased manufacturing and preclinical activity related to our cell and gene therapy programs, as our trials prepare to be moved forward in the clinic.
General and administrative expenses were $6.2 million for the first quarter of 2018, compared to $3.6 million for the first quarter of 2017. The increase in general and administrative expenses for the three months ended March 31, 2018 is primarily due to severance and non-cash stock compensation expense.
The Company ended the quarter with unrestricted cash resources of approximately $51.1 million.
In addition, a prepayment of approximately $32.4 million remains for programs to be conducted by the Company at MD Anderson Cancer Center under the current Research and Development Agreement.
The Company believes its current resources will be sufficient to fund its currently planned operations into the second quarter of 2019.
Conference Call and Slide Webcast

Ziopharm will host a webcast and conference call today, May 10, at 4:30 p.m. ET. The call can be accessed by dialing 1-844-309-0618 (U.S. and Canada) or 1-661-378-9465 (international). The passcode for the conference call is 4857096. To access the slides and live webcast or the subsequent archived recording, visit the "Investors & Media" section of the Ziopharm website at www.ziopharm.com. The webcast will be recorded and available for replay on the Company’s website for two weeks.

Sangamo Therapeutics has filed a 10-Q – Quarterly report [Sections 13 or 15(d)] with the U.S. Securities and Exchange Commission .

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On May 9, 2018 Adaptimmune Therapeutics plc (Nasdaq:ADAP), a leader in T-cell therapy to treat cancer, reported financial results for the first quarter ended March 31, 2018, as well as provided a business update (Press release, Adaptimmune, MAY 9, 2018, View Source;p=RssLanding&cat=news&id=2348055 [SID1234526342]).

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"2018 is off to an outstanding start, and the remainder of the year promises to be even more exciting for Adaptimmune as we look forward to response data from our wholly owned assets in a variety of solid tumors," commented James Noble, Adaptimmune’s Chief Executive Officer. "The transition of the NY-ESO program to GSK is progressing, our manufacturing capabilities are strengthening, and we have a robust pipeline delivering novel therapeutic approaches to cancer patients. We look forward to presenting further progress in the coming months as we move towards our ambition to be the first to market with an approved TCR T-cell therapy."

Clinical momentum
Adaptimmune continues to make good progress across all trial cohorts. Clinical data highlights include:

Initial safety data (https://bit.ly/2HAuhTS) with Adaptimmune’s wholly owned SPEAR T-cell therapy targeting MAGE-A10 reported in January. These data will be presented and updated in a poster at the upcoming American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) annual meeting in June.
Dosing at the target dose of one billion transduced SPEAR T-cells in the MAGE-A10 triple tumor study reported in January (https://bit.ly/2HAuhTS).
Dosing at the target dose of one billion transduced SPEAR T-cells after recent recommendation from the scientific review committee (SRC) to dose escalate in the MAGE-A10 non-small cell lung cancer (NSCLC) study.
Responses in a second solid tumor, myxoid round/cell liposarcoma (MRCLS), with NY-ESO reported in March (https://bit.ly/2HAluxz). These data will be presented and updated at an oral presentation during ASCO (Free ASCO Whitepaper).
Initial safety data from the MAGE-A4 "basket study" (required to support dose escalation to one billion cells) is on track for the second quarter of 2018. MAGE-A4 response data and initial AFP safety data are anticipated throughout the second half of this year.

Manufacturing progress
In another important step towards its ambition to become a fully integrated cell therapy company, Adaptimmune has now received regulatory approval to produce SPEAR T-cells for all of its wholly owned programs (MAGE‑A10, MAGE-A4, and AFP) at its Philadelphia Navy Yard facility. The Company is routinely manufacturing SPEAR T-cells at the Navy Yard, and achieving cell volumes in the range of the therapeutic doses seen with NY‑ESO in synovial sarcoma.

In addition, Adaptimmune announced in January 2018 (https://bit.ly/2D8A52t ) that it had executed an agreement with Cell and Gene Therapy (CGT) Catapult for its own dedicated manufacturing space to secure vector supply for the medium term for ongoing studies with all three wholly owned SPEAR T-cell therapies. The Catapult space is now officially open.

Highlights

Wholly owned programs

Continued momentum towards safety and response readouts from SPEAR T-cells targeting MAGE-A10 and MAGE-A4 in multiple solid tumors throughout the second half of 2018, and initial safety data from AFP in hepatocellular carcinoma anticipated in late 2018

MAGE-A10
– Dosing at one billion target cell dose in both pilot studies (NSCLC and "triple tumor")
– To date, no evidence of off-target toxicity in MAGE-A10 pilot studies in patients who received 100 million cells
– Response data anticipated in the second half of 2018
– Preclinical data presented at the American Association for Cancer Research (AACR) (Free AACR Whitepaper) annual meeting in April 2018 support the potential specificity and potency of Adaptimmune’s MAGE‑A10 SPEAR T-cells (https://bit.ly/2HulQJG)
MAGE-A4
– Basket study: Dosing continues and on schedule to report initial safety data in Q2 2018
– Response data are anticipated throughout the second half of this year
– Preclinical safety data presented at AACR (Free AACR Whitepaper) identified no major safety concerns for MAGE-A4 SPEAR T‑cell, and analyses of NSCLC tumor samples support the validity of MAGE‑A4 as a target in this indication (https://bit.ly/2HulQJG)
AFP
– Hepatocellular carcinoma: Study open and enrolling with initial safety data anticipated in late 2018

Next generation SPEAR T-cells
– Adaptimmune’s US patent US15/713464 covering a "next generation" approach to making our T‑cells resistant to the immunosuppressive environment of solid tumors, has been granted. This approach is likely to be used in some of the Company’s future clinical trials.
NY-ESO program (partnered with GSK)
Compelling clinical data supports the potential of Adaptimmune’s TCR T-cell therapies to treat solid tumors

MRCLS: Update will be presented in an oral presentation at ASCO (Free ASCO Whitepaper).
GSK option exercise and transition: The transition of the NY-ESO program to GSK is ongoing.
Manufacturing
Adaptimmune is building a fully integrated cell therapy company

Received regulatory approval to produce SPEAR T-cells for all of its wholly owned programs (MAGE-A10, MAGE-A4, and AFP) at its Philadelphia Navy Yard facility.
Routinely manufacturing SPEAR T-cells at the Navy Yard, and achieving cell volumes in the range of the therapeutic doses seen with NY ESO in synovial sarcoma.
Announced in January 2018 (https://bit.ly/2D8A52t ) that it had executed an agreement with CGT Catapult for its own dedicated manufacturing space to secure vector supply for the medium term for ongoing studies with all three wholly owned SPEAR T-cell therapies.
The Catapult space is now officially open.
Had a US patent granted (US9932597), covering a "WPRE-free" vector system, that will further optimize the vector system used for manufacture of its SPEAR T-cells.
Other corporate news
Adaptimmune is in a strong financial position to deliver success with SPEAR T-cell therapies

Funded through to early 2020 with cash and cash equivalents of $53.4 million and total liquidity1 of $161.8 million
Announced in April 2018 (https://bit.ly/2v7v3D3 ) that John Furey, Chief Operating Officer at Spark Therapeutics, was appointed as an independent Non‑Executive Director to Adaptimmune’s Board of Directors (effective July 5, 2018)
Financial Results for the three-month period ended March 31, 2018

Cash / liquidity position: As of March 31, 2018, Adaptimmune had cash and cash equivalents of $53.4 million and Total Liquidity1 of $161.8 million that will fund the Company through early 2020 based on management’s estimates.
Revenue: With effect from January 1, 2018, the Company has adopted a new accounting standard2. Under this new accounting standard, revenue represents the upfront payment and milestones under the GSK Collaboration and License Agreement, which are recognized based on the percentage completion of the NY-ESO and PRAME development programs. Revenue for the three months ended March 31, 2018 was $8.2 million. Revenue for the three months ended March 31, 2018 under the previous guidance would have been $9.0 million, compared to $2.9 million for the same period of 2017. This increase in revenue, compared to the same period in 2017, is primarily due to a reduction in the period over which the Company is recognizing revenue following GSK’s exercise of its option over the NY-ESO program in September 2017 and additional development milestones achieved.
Research and development ("R&D") expenses: R&D expenses for the three months ended March 31, 2018 were $25.7 million, compared to $18.6 million for the same period of 2017. The increase was primarily due to increased costs associated with clinical trials, manufacturing for clinical trials, and increased personnel costs.
General and administrative ("G&A") expenses: G&A expenses for the three months ended March 31, 2018 were $11.2 million, compared to $6.5 million for the same period of 2017. The increase was primarily due to increased personnel costs consistent with the Company’s planned growth, an increase in costs associated with developing its IT infrastructure and an increase in other corporate costs.
Other income, net: Other income for the three months ended March 31, 2018 was $7.1 million, compared to $0.4 million for the same period of 2017. Other income primarily comprises unrealized foreign exchange gains, which fluctuate depending on exchange rate movements and the amount of foreign currency assets and liabilities.
Net loss: Net loss attributable to holders of the Company’s ordinary shares for the three months ended March 31, 2018 was $21.1 million ($(0.04) per ordinary share) compared to $21.8 million ($(0.05) per ordinary share) in the same period of 2017.
Financial guidance
The Company believes that its existing cash, cash equivalents, marketable securities and income from GSK upon transition of the NY-ESO program will fund the Company’s current operating plan through to early 2020.

_________________________________________
1 Total liquidity is a non-GAAP financial measure, which is explained and reconciled to the most directly comparable financial measures prepared in accordance with GAAP below.
2 ASC 606, Revenue from Contracts with Customers.

Conference call information
The Company will host a live teleconference and webcast to provide additional details at 8:00 a.m. EDT (1:00 p.m. BST) today, May 9, 2018. The live webcast of the conference call will be available via the events page 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, if preferred, please dial 1-833-652-5917 (U.S.) 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 (2967789).

On May 9, 2018 Innovation Pharmaceuticals (OTCQB:IPIX) ("the Company"), a clinical stage biopharmaceutical company, reported to inform shareholders that the Company has concluded its review of all data outputs and corresponding analyses from its successfully completed Phase 2 Brilacidin-OM trial (see NCT02324335) for the indication of decreasing the incidence of Severe Oral Mucositis (Severe OM) (WHO Grade ≥3) in Head and Neck Cancer (HNC) patients receiving chemoradiation (Press release, Innovation Pharmaceuticals, MAY 9, 2018, View Source [SID1234526372]).

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"The Company would like to thank the trial’s patients who volunteered for this study. It is often a difficult decision for a patient to volunteer for a clinical trial with a placebo arm—and gratitude is owed to all who participated in the face of their respective cancer battles," said Arthur P. Bertolino, MD, PhD, MBA, President and Chief Medical Officer of Innovation Pharmaceuticals. "We would also like to thank our shareholders and institutional partners that have made it possible to advance Innovation’s drug candidates."

"Given the notable interest from global and specialty pharmaceutical companies that we have received following recent Brilacidin-OM data releases, we continue to carefully assess all of our potential alliance opportunities—toward cementing the best pathway forward," said Leo Ehrlich, Chief Executive Officer of Innovation Pharmaceuticals. "The expedient advancement of Brilacidin-OM into later clinical development is a priority, as is the broader expansion of the complete Brilacidin Franchise."

Summary of Brilacidin-OM Phase 2 Study Results

Key Efficacy Outcomes were:

· Reduced Incidence of Severe OM (Primary Endpoint)

o Placebo 60.0%, reduced to Brilacidin 42.9% [Modified Intent to Treat (mITT) Population].

o Placebo 60.0%, reduced to Brilacidin 36.8% [Per Protocol (PP) Population].

· Delayed Onset of Severe OM (Secondary Endpoint)

o For those patients in the Brilacidin group who did experience Severe OM, onset occurred generally later during radiation therapy.

· Reduced Duration of Severe OM (Secondary Endpoint)

o Severe OM median duration was 0.0 days for Brilacidin (mITT and PP Populations), indicating that more than half of all patients on active treatment did not experience Severe OM.

o Overall Severe OM median durations for placebo were 3.0 days and 5.5 days for the mITT and PP Populations, respectively.

Brilacidin was more effective in decreasing the incidence of Severe OM in patients receiving the more aggressive chemotherapy regimen – cisplatin administered in a higher concentration (80-100 mg/m2), approximately every 21 days – as compared to lower concentrations of cisplatin (30-40 mg/m2) administered weekly.

· Reduced Incidence of Severe OM, 21-day Cisplatin Regimen subset

o Placebo 71.4%, reduced to Brilacidin 25.0% [mITT Population] (p=0.048).

o Placebo 72.7%, reduced to Brilacidin 14.3% [PP Population] (p=0.025).

· Delayed Onset of Severe OM, 21-day Cisplatin Regimen subset

o The time to onset of Severe OM was delayed with Brilacidin treatment compared to placebo, even more markedly in the 21-day cisplatin regimen subgroup.

A 65.0% (mITT Population) and 80.3% (PP Population) relative risk reduction ([incidence control- incidence active]/incidence control) in the incidence of Severe OM was achieved with Brilacidin compared to placebo, for the approximately every 21 days cisplatin regimen subset. The academic literature indicates that a once-every-3-weeks cisplatin regimen, versus once-a-week, largely remains the recommended dosing schedule for the treatment of HNC.

The ‘Blue Sky’ Commercial Opportunity in Severe Oral Mucositis

There is no drug approved to prevent or treat Severe OM in patients with HNC. This is not due to lack of effort, however, with many companies having tried to address the unmet medical need with limited success (see ClinicalTrials.gov). According to posted information, over 250 clinical studies (as of 05-May-2018) have been, or are being, conducted targeting Oral Mucositis—indicative of the substantial pharmaceutical industry effort and investment toward attempting to identify new OM treatments.

The commercial potential for Brilacidin-OM in HNC is substantial and untapped, with no effective drug currently approved worldwide. In the U.S. alone, the annual incidence of HNC is estimated to be approximately 65,000 new cases, and worldwide, these numbers approach approximately 750,000 new cases each year. With Brilacidin-OM, Innovation Pharmaceuticals is positioned to fill a substantial void in supportive cancer care by reducing the incidence of Severe OM in HNC, making a considerable difference to the general well-being of these patients.

About Unmet Need in Treating Severe Oral Mucositis

Severe Oral Mucositis is a serious, costly, complex and frequent complication of treatment for HNC. In cases of Severe OM, patients cannot eat solid food (Grade 3) and cannot consume either solids or liquids (Grade 4)—a situation that can result in, most critically, suspension of cancer therapy. As noted in a video on Severe OM published on the "Healthy Body, Healthy Mind" website, negative effects of developing Severe OM can also be overwhelming to a patient’s physical well-being and positive mental attitude.

Severe OM incidence rates in HNC can range from 60-70 percent, on the low end, to over 90 percent. Further, morbidity attributable to ulcerative and Severe OM can result in not just chemoradiation treatment interruption, but also placement of feeding tubes, and potentially greater mortality due to deleterious effects of subsequent treatment interruptions (worsening local tumor control and lower overall survival). Added health care costs attributable to Severe OM average ~$18,000 to $25,000 per case when patients require hospitalization.

It is widely acknowledged that there is a large unmet need for novel therapeutics in this area, with many interventions limited in their application and/or ranging widely in quality and with conflicting results, as conveyed in the Multinational Association of Supportive Care in Cancer (MASCC) and International Society of Oral Oncology (ISOO) Clinical Practice Guidelines for the Management of Mucositis Secondary to Cancer Therapy.

On May 9, 2018 PTC Therapeutics, Inc. (NASDAQ: PTCT) reported financial results for the first quarter ending March 31, 2018 (Press release, PTC Therapeutics, MAY 9, 2018, View Source [SID1234526388]).

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"Over the past twenty years it has been our mission to bring clinically differentiated therapies to patients with rare disorders," said Stuart W. Peltz, Ph.D., Chief Executive Officer, PTC Therapeutics, Inc. "As we look forward, we are executing on that mission and consolidating our position as a leading rare disorder biotech company. We intend to continue to leverage our deep scientific expertise and world class commercial capabilities."

First Quarter 2018 Financial Highlights:

Translarna net product sales were $36.8 million for the first quarter of 2018, representing 39% growth over $26.4 million reported in the first quarter of 2017.

Emflaza net product sales were $19.2 million for the first quarter of 2018.

Total revenues for the first quarter of 2018 were $56.1 million compared to $26.5 million in the same period in 2017. The change in total revenue was a result of Emflaza sales and the expanded commercial growth of Translarna.

GAAP R&D expenses were $31.4 million for the first quarter of 2018 compared to $27.4 million for the same period in 2017. Non-GAAP R&D expenses were $27.6 million for the first quarter of 2018, excluding $3.7 million in non-cash, stock-based compensation expense, compared to $22.9 million for the same period in 2017, excluding $4.5 million in non-cash, stock-based compensation expense. The increase in R&D expenses for the first quarter of 2018 as compared to the prior year period was primarily due to increased investment in research programs and advancement of the clinical pipeline.

GAAP SG&A expenses were $33.0 million for the first quarter of 2018 compared to $25.5 million for the same period in 2017. Non-GAAP SG&A expenses were $29.0 million for the first quarter of 2018, excluding $4.0 million in non-cash, stock-based compensation expense, compared to $20.9 million for the same period in 2017, excluding $4.6 million in non-cash, stock-based compensation expense. The increase in SG&A expenses for the first quarter of 2018 as compared to the prior year period was primarily due to the continued commercial support for the Emflaza launch and continued growth of Translarna marketing activities.

Net interest expense for the first quarter of 2018 was $3.3 million compared to $2.2 million in the same period in 2017. The increase in net interest expense for the first

quarter of 2018 as compared to the prior year period was primarily due to increased interest expense related to the $40 million secured loan facility which we closed during the second quarter of 2017 partially offset by interest income from investments.

Net loss for the first quarter of 2018 was $19.3 million compared to a net loss of $29.1 million for the same period in 2017.

Cash, cash equivalents, and marketable securities totaled approximately $178.3 million at March 31, 2018 compared to approximately $191.2 million at December 31, 2017.

Shares issued and outstanding as of March 31, 2018 were 41.8 million.

In April 2018, PTC completed a public offering of 4,600,000 shares of common stock, resulting in net offering proceeds of $117.9 million.
2018 Guidance

Full year 2018 net product revenues to be between $260 and $295 million. PTC anticipates Translarna net product revenue for the full year 2018 to be between $170 and $185 million. PTC projects a 5-year (December 31, 2022) compound annual growth rate of 15% for net product revenues representing continued strong growth year-over-year by increasing penetration in current countries and pursuing opportunities for label expansion. PTC anticipates Emflaza net product revenue for the full year 2018 to be between $90 and $110 million.

GAAP R&D and SG&A expense for the full year 2018 to be between $280 and $290 million.

Non-GAAP R&D and SG&A expense for the full year 2018 to be between $250 and $260 million, excluding estimated non-cash, stock-based compensation expense of approximately $30 million.

Key 2018 Corporate Highlights:

Analyst Day highlighting PTC’s 20-year commitment to developing therapeutics for rare disorders. PTC’s management and research teams provided an in-depth update on the Company’s commercial products, Translarna and Emflaza, its scientific platforms including alternative splicing with Spinal muscular atrophy in pivotal trials and two indications, Huntington’s disease and Familial dysautonomia which the company anticipates will enter the clinic in 2020. In addition to these indications, PTC also provided updates on our niche oncology pipeline. There are currently two advanced candidates, PTC596 which is currently in the clinic, and PTC299, which PTC anticipates will re-enter the clinic later this year. In 2018, PTC is expecting to initiate clinical trials in two solid tumor indications for PTC596. PTC299, a DHODH inhibitor, is planned to enter clinical trials in hematological tumors in the third quarter of this year. PTC also has a second DHODH inhibitor fast follower currently in late-stage chemical optimization. A replay of the presentations and panel discussions can be found on the Investors page of the website.

Encouraging early data from open-label FIREFISH study in Type 1 SMA babies. Data recently presented at the American Academy of Neurology 2018 Annual Meeting from Part 1 of the FIREFISH study, the dose finding portion, showed that there have been no drug-related safety findings leading to withdrawal at any dose level of the

investigational molecule RG7916. In addition, no babies have required a tracheostomy or permanent ventilation since study initiation and no baby has lost the ability to swallow. The median age of first dose was 6.7 months and the 21 babies in the study received RG7916 for a duration of up to 14.8 months. It was reported in January that two babies had died from causes related to disease progression and the deaths were determined not to be drug related. The primary endpoint of Part 2, the confirmatory part of the FIREFISH study, is the proportion of patients sitting without support after 12 months on RG7916 treatment. Recruitment is ongoing globally for FIREFISH Part 2. The SMA program is a collaboration between PTC, Roche, and the SMA Foundation.

Review of the Translarna Pediatric Label Expansion by the Committee for Medicinal Products for Human Use (CHMP) in progress. The application to expand the label of Translarna for the treatment of nonsense mutation DMD patients who are 2-5 years is currently under review by the CHMP in Europe and a decision is expected mid-year.

Dystrophin study for US NDA for ataluren (Translarna) in DMD to begin by the end of 2018. The Office of New Drugs recommended a possible path forward for the ataluren NDA submission based on the accelerated approval pathway. This would involve a re-submission of an NDA containing the current data on effectiveness of ataluren with new data to be generated on dystrophin production. PTC is working to design such a study and expects to initiate such a study by the end of 2018.

Successful closing of public offering. PTC offered 4,600,000 shares of common stock, successfully raising $117.9 million in the public market. PTC intends to use the net proceeds from this offering to fund its research and development efforts, including clinical trials and studies with respect to its products and product candidates and potential additional indications, including its programs for alternative splicing for the treatment of rare disorders and oncology, commercialization activities for Translarna for the treatment of nmDMD outside of the United States and Emflaza for the treatment of DMD in the United States and for working capital and other general corporate purposes.

Non-GAAP Financial Measures:
In this press release, the financial results and financial guidance of PTC are provided in accordance with accounting principles generally accepted in the United States (GAAP) and using certain non-GAAP financial measures. In particular, the non-GAAP financial measures exclude stock-based compensation expense. This non-GAAP financial measure is provided as a complement to financial measures reported in GAAP because management uses this non-GAAP financial measure when assessing and identifying operational trends. In management’s opinion, this non-GAAP financial measure is useful to investors and other users of PTC’s financial statements by providing greater transparency into the historical and projected operating performance of PTC and the company’s future outlook. Quantitative reconciliations of non-GAAP financial measures to their closest equivalent GAAP financial measures are included in the tables below.

Today’s Conference Call and Webcast Reminder:

Today’s conference call will take place at 4:30 pm ET and can be access by dialing (877) 303-9216 (domestic) or (973) 935-8152 (international) five minutes prior to the start of the call and providing the passcode 3757748. A live, listen-only webcast of the conference call can be accessed on the Investor Relations section of the PTC website at www.ptcbio.com. A webcast replay of the call will be available approximately two hours after completion of the call and will be archived on the company’s website for two weeks.