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Adaptimmune Reports Third Quarter 2018 Financial Results and Business Update

Progressed to expansion phase for MAGE-A10 triple tumor and MAGE-A4 basket studies after favorable safety review of Cohort 3 data with target doses of 5 billion cells

Continued dosing in Cohort 1 of AFP study, with anticipated dose escalation to Cohort 2 early 2019

 ~$26 million upon completion of transition of NY-ESO SPEAR T-cell program IND to GSK

Closed registered direct offering with net proceeds of ~$100 million; guidance updated,
funded to late 2020

Conference call to be held today at 8:00 a.m. EST (1:00 p.m. GMT)

PHILADELPHIA and OXFORD, United Kingdom, Nov. 06, 2018 (GLOBE NEWSWIRE) -- Adaptimmune Therapeutics plc (Nasdaq:ADAP), a leader in T-cell therapy to treat cancer, today reported financial results for the third quarter ended September 30, 2018, and provided a business update.

“We have now completed the three dose escalation cohorts of the studies with MAGE‑A4 and MAGE‑A10, our leading wholly owned programs. The Safety Review Committee has agreed that the higher pre‑conditioning regimen and cell doses are tolerable and there were no dose limiting toxicities. These studies will now move into the expansion phase, which allows us to treat patients with up to ten billion cells, without a pre-determined stagger across a broad range of tumor types. We have also continued dosing patients in the AFP study with 100 million cells and anticipate escalating to Cohort 2 in early 2019. We expect to report our next clinical data by no later than our first quarter financial results in May 2019,” said James Noble, Chief Executive Officer.

Clinical momentum in wholly owned programs

Ongoing MAGE-A10 and MAGE-A4 studies

  • There are three ongoing studies with MAGE-A10 and MAGE-A4 SPEAR T-cells
     - Two MAGE-A10 studies: one in non-small cell lung cancer (NSCLC) and a triple tumor study in bladder, melanoma, and head & neck cancers
     - A MAGE-A4 basket study in NSCLC, bladder, melanoma, synovial sarcoma, myxoid/round cell liposarcoma (MRCLS), head & neck, ovarian, gastric, and esophageal cancers
  • All three studies are first-in-human trials utilizing a modified 3+3 design with escalating target doses of 100 million (Cohort 1), 1 billion (Cohort 2), and 5 billion (Cohort 3) transduced SPEAR T‑cells to evaluate safety, including dose limiting toxicities (DLTs)
  • The preconditioning regimen in the first two cohorts was cyclophosphamide (600mg/m2/day) and fludarabine (30 mg/m2/day) on days -7, -6 and -5, and an extra day of fludarabine was added to the third cohorts and expansion phases, as clinical and translational data indicate that this extra day may be important for optimal T-cell expansion post infusion
  • Following the initial three cohorts, the Safety Review Committee (SRC) meets to decide whether to progress to the expansion phase, which has a target dose of 5 billion cells (range 1.2 to 10B) without pre-determined intervals between patient dosing
  • The SRC recommended moving into the expansion phase for the MAGE-A10 triple tumor and MAGE-A4 basket studies
  • As in the first two cohorts of these studies, there was no evidence of toxicity related to off-target binding or alloreactivity in the third cohorts at target doses of 5 billion cells
  • Most adverse events were consistent with those experienced by cancer patients undergoing chemotherapy or other immunotherapies           

ESMO data

  • Initial safety data from the first two cohorts of the MAGE-A10 and MAGE-A4 studies were presented at the European Society for Medical Oncology (ESMO) 2018 Congress (https://bit.ly/2PdB3CR)
  • In brief, these data showed:
     - Disease progressed for all eight patients treated in the first dose cohorts of the two MAGE-A10 studies (five patients with lung cancer, two with head & neck cancer, and one with melanoma)
     - For the three patients treated in Cohort 2 of the MAGE-A10 study (all lung cancer patients), one patient died of pneumonia (unrelated to therapy) and two had stable disease (SD), albeit transient
     - Of the six patients treated in Cohorts 1 and 2 of the MAGE-A4 basket study, best response was SD in four patients and progressive disease (PD) in two patients
     - One patient in the MAGE-A4 basket study with SD had an overall 27% reduction of target lesions observed at Week 6, and was assessed as PD at the time of the second scan, which took place after the ESMO poster cut-off date
     - No evidence of toxicity related to off-target binding or alloreactivity at target doses of 100 million or 1 billion cells
     - Most adverse events consistent with those experienced by cancer patients undergoing chemotherapy or other immunotherapies
     - Transduced cells detectable in peripheral blood at levels consistent with dose.

Data from ongoing AFP study

  • Dosing in Cohort 1 of AFP study is ongoing
  • Anticipate dose escalation to Cohort 2 in early 2019.

NY-ESO data updates to be presented at SITC

  • The NY-ESO program transitioned to GSK in July 2018
  • An abstract summarizing NY-ESO SPEAR T-cells in MRCLS was accepted for presentation at SITC, and is available online today
  • Data in the abstract state that out of ten MRCLS patients, there were four with partial responses (PRs) and four with SD, as per investigator assessment
  • These data will be updated in a poster at SITC
  • Overall, there was evidence of reduction in target lesions in seven patients out of eight evaluable patients
  • The data submitted in the abstract included investigator assessments. These assessments showed a best response of four confirmed PR, one unconfirmed PR, and three patients with SD out of eight evaluable patients
  • Two of the responses were confirmed before the minimum 28 days required by RECIST v1.1 (22 and 25 days), and the patients subsequently progressed
  • Therefore, the response rate by RECIST, which will be presented in the poster, is two confirmed PRs and six patients with SD out of the eight evaluable patients
  • Patients in the MRCLS study received the same preconditioning regimen as was used in Cohort 4 of the synovial sarcoma study, and these patients had less durable responses compared to Cohort 1 patients in the synovial sarcoma study, who received a more intense preconditioning regimen
  • The most frequent AEs were consistent with those experienced by patients with cancer who are undergoing cytotoxic chemotherapy or other immunotherapies
  • A second poster with NY-ESO data will also be presented at SITC summarizing translational research conducted in the context of the NY-ESO synovial sarcoma study examining serum factors that lead to T-cell expansion with different preconditioning regimens (including the impact of fludarabine), tumor micro-environment analyses pre- and post-infusion, and SPEAR T-cell functionality post‑infusion. This abstract is also available online.

Manufacturing
Adaptimmune on its way to becoming a fully integrated cell therapy company  

  • 2018 has been a successful year for manufacturing with the Navy Yard facility regularly producing target cell doses > 1 billion cells with more than 50% producing > 5 billion cells
  • Producing cell doses across multiple solid tumor indications
  • Cells have been manufactured for a number of patients who could enter the MAGE-A4 and/or MAGE-A10 expansion phases, once eligible            

Other corporate news
Adaptimmune is focused on its next stage of development and in a strong position to deliver success with SPEAR T-cell therapies

  • Announced the closing of a registered direct offering of Adaptimmune’s American Depositary Shares (“ADSs”) (https://bit.ly/2MZFEIH) with net proceeds of approximately $100 million
  • Adaptimmune intends to use the net proceeds from this offering to advance the Company’s wholly owned pipeline of SPEAR T-cell candidates through clinical trials as well as for other general corporate purposes
  • Completed transition of NY-ESO IND to GSK and received approximately $26 million in milestone payments
  • Funded through to late 2020 with cash and cash equivalents of $153.1 million and total liquidity1 of $237.7 million
  • Held annual Scientific Advisory Board meeting in October with Adaptimmune R&D leaders and external experts in immunology and oncology (bios available here: https://bit.ly/2PvHH4w); focused on optimal employment of NY-ESO learnings in ongoing and future studies as well as strategies for novel target identification.

Financial Results for the three and nine month period ended September 30, 2018

  • Cash / liquidity position: As of September 30, 2018, Adaptimmune had cash and cash equivalents of $153.1 million and Total Liquidity1 of $237.7 million.
  • Revenue: Revenue for the three and nine months ended September 30, 2018 was $40.8 million and $58.0 million, respectively, compared to $27.2 million and $33.6 million for the same periods of 2017.  The revenue in the three and nine months ended September 30, 2018 includes $39.1 million of revenue for the license to NY-ESO, which commenced in September 2018.
  • Research and development (“R&D”) expenses: R&D expenses for the three and nine months ended September 30, 2018 were $23.5 million and $75.5 million, respectively, compared to $24.0 million and $62.2 million for the same periods of 2017. The R&D expenses in the nine months ended September 30, 2018 has increased compared to the same period in 2017 due to increased clinical trial and related manufacturing activities.  R&D expenses in the three months ended September 30, 2018 compared to the same period in 2017 decreased due to the transfer of the NY-ESO program to GSK.
  • General and administrative (“G&A”) expenses: G&A expenses for the three and nine months ended September 30, 2018 were $10.3 million and $32.8 million, respectively, compared to $8.1 million and $22.3 million for the same periods of 2017. The increase was primarily due to increased personnel costs consistent with the Company’s planned infrastructure growth.
  • Other (expense) income, net: Other expense for the three and nine months ended September 30, 2018 was $2.2 million and $10.5 million, respectively, compared to an income of $3.6 million and $7.2 million for the same periods 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 income (loss): Net income (loss) attributable to holders of the Company’s ordinary shares for the three and nine months ended September 30, 2018 was an income of $5.2 million and a loss of $59.3 million, respectively, ($0.01 and $(0.10) per ordinary share) compared to a loss of $0.9 million and $42.9 million, respectively, ($(0.00) and $(0.08) per ordinary share) in the same periods of 2017.

______________________________________
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.

Financial guidance
The Company believes that its existing cash, cash equivalents and marketable securities will fund the Company’s current operations through to late 2020.

Conference call information

The Company will host a live teleconference and webcast at 8:00 a.m. EST (1:00 p.m. GMT) today. 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, please dial (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 (2458438).

About Adaptimmune
Adaptimmune is a clinical-stage biopharmaceutical company focused on the development of novel cancer immunotherapy products. The Company’s unique SPEAR (Specific Peptide Enhanced Affinity Receptor) T‑cell platform enables the engineering of T-cells to target and destroy cancer, including solid tumors. Adaptimmune is currently conducting clinical trials with SPEAR T-cells targeting MAGE-A4, -A10, and AFP across several solid tumor indications. The Company is located in Philadelphia, USA and Oxfordshire, U.K. For more information, please visit http://www.adaptimmune.com

Forward-looking statements
This release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 (PSLRA). These forward-looking statements involve certain risks and uncertainties. Such risks and uncertainties could cause our actual results to differ materially from those indicated by such forward-looking statements, and include, without limitation: the success, cost and timing of our product development activities and clinical trials and our ability to successfully advance our TCR therapeutic candidates through the regulatory and commercialization processes. For a further description of the risks and uncertainties that could cause our actual results to differ materially from those expressed in these forward-looking statements, as well as risks relating to our business in general, we refer you to our Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission (SEC) on August 2, 2018, and our other SEC filings. The forward-looking statements contained in this press release speak only as of the date the statements were made and we do not undertake any obligation to update such forward-looking statements to reflect subsequent events or circumstances.

Total liquidity (a non-GAAP financial measure)
Total Liquidity is the total of cash and cash equivalents and marketable securities. Each of these components appears in the Consolidated Balance Sheet. The U.S. GAAP financial measure most directly comparable to Total Liquidity is cash and cash equivalents as reported in the Consolidated Financial Statements, which reconciles to Total Liquidity as follows:

(in thousands)
(unaudited) 
  September,
2018
    December 31,
2017
Cash and cash equivalents $ 153,081   $ 84,043
Marketable securities   84,652     124,218
Total Liquidity $ 237,733   $ 208,261

The Company believes that the presentation of Total Liquidity provides useful information to investors because management reviews Total Liquidity as part of its management of overall liquidity, financial flexibility, capital structure and leverage.

Condensed Consolidated Statement of Operations
(unaudited, in thousands, except per share data)

  Three months ended
September 30,
  Nine months ended
September 30,
  2018     2017     2018     2017  
Revenue $ 40,792     $   27,185         58,026         33,563  
Operating expenses                      
Research and development     (23,484 )      (24,034 )      (75,500 )      (62,240 )
General and administrative     (10,290 )       (8,111 )      (32,785 )      (22,284 )
Total operating expenses     (33,774 )       (32,145 )       (108,285 )       (84,524 )
Operating income (loss)     7,018         (4,960 )       (50,259 )       (50,961 )
Interest income     606         705         1,805         1,465  
Other (expense) income, net     (2,249 )       3,602         (10,525 )       7,242  
Income (loss) before income taxes     5,375         (653 )       (58,979 )       (42,254 )
Income taxes     (133 )       (225 )       (362 )       (621 )
Net income (loss) attributable to ordinary shareholders $   5,242     $   (878 )   $   (59,341 )   $   (42,875 )
                       
Net income (loss) per ordinary share                      
Basic $   0.01     $   -     $   (0.10 )   $   (0.08 )
Diluted     0.01         -         (0.10 )       (0.08 )
                       
Weighted average shares outstanding:                      
Basic     582,004,954       561,239,864       573,796,275       516,352,141  
Diluted     621,764,201       561,239,864       573,796,275       516,352,141  
                               


Condensed Consolidated Balance Sheets
(unaudited, in thousands)

  September 30,
2018
  December 31,
2017
Assets          
Current assets          
Cash and cash equivalents $   153,081     $   84,043  
Marketable securities - available-for-sale debt securities     84,652         124,218  
Accounts receivable, net of allowance for doubtful accounts of $- and $-     2,031         206  
Other current assets and prepaid expenses (including current portion of clinical materials)     21,841         21,716  
Total current assets     261,605         230,183  
           
Restricted cash     4,163         4,253  
Clinical materials     4,205         4,695  
Property, plant and equipment, net     38,137         40,679  
Intangibles, net     1,515         1,337  
           
Total assets     309,625         281,147  
           
Liabilities and stockholders’ equity          
Current liabilities          
Accounts payable     3,907         8,378  
Accrued expenses and other accrued liabilities     24,314         27,201  
Deferred revenue     1,345         38,735  
Total current liabilities     29,566         74,314  
           
Other liabilities, non-current     3,904         3,849  
           
           
Total liabilities     33,470         78,163  
           
Stockholders’ equity          
 Common stock - Ordinary shares par value £0.001, 701,103,126 authorized and 627,222,076 issued and outstanding (2017: 701,103,126 authorized and 562,119,334 issued and outstanding)     939         854  
Additional paid in capital     570,355         455,401  
Accumulated other comprehensive loss     (12,813 )      (21,641 )
Accumulated deficit     (282,326 )      (231,630 )
Total stockholders’ equity     276,155         202,984  
           
Total liabilities and stockholders’ equity $   309,625     $   281,147  
               


Condensed Consolidated Cash Flow Statement
(unaudited, in thousands)

  Nine months ended
September 30,
  2018     2017  
Cash flows from operating activities          
Net loss $  (59,341 )    $  (42,875 )
Adjustments to reconcile net loss to net cash used in operating activities:          
Depreciation     5,248         3,418  
Amortization     464         267  
Share-based compensation expense     12,453         7,956  
Realized loss on available-for-sale debt securities     2,473         -   
Unrealized foreign exchange gain (losses)     4,921         (6,886 )
Other     262         606  
Changes in operating assets and liabilities:          
(Increase) decrease in receivables and other operating assets    (4,140 )       4,180  
Decrease (increase) in non-current operating assets     490        (484 )
(Decrease) increase in payables and deferred revenue    (35,533 )       859  
Net cash used in operating activities     (72,703 )       (32,959 )
           
Cash flows from investing activities          
Acquisition of property, plant and equipment    (3,823 )      (22,791 )
Acquisition of intangibles    (666 )      (288 )
Proceeds from disposal of property, plant and equipment     -          550  
Maturity of short-term deposits     -          40,645  
Investment in short-term deposits     -         (18,000 )
Maturity or redemption of marketable securities     114,988         7,032  
Investment in marketable securities    (75,545 )      (93,218 )
Net cash provided by (used in) investing activities     34,954         (86,070 )
           
Cash flows from financing activities          
Proceeds from issuance of common stock, net of issuance costs $347 and $4,774     99,653         103,167  
Proceeds from exercise of stock options     2,933         401  
Net cash provided by financing activities     102,586         103,568  
           
Effect of currency exchange rate changes on cash, cash equivalents and restricted cash     4,111         2,223  
Net increase (decrease) in cash, cash equivalents and restricted cash     68,948        (13,238 )
Cash, cash equivalents and restricted cash at start of period     88,296         162,796  
Cash, cash equivalents and restricted cash at end of period  $   157,244      $   149,558  
               


Adaptimmune Contacts:

Media Relations:
Sébastien Desprez – VP, Communications and Investor Relations
T: +44 1235 430 583
M: +44 7718 453 176
Sebastien.Desprez@adaptimmune.com

Investor Relations:
Juli P. Miller, Ph.D. – Director, Investor Relations
T: +1 215 825 9310
M: +1 215 460 8920
Juli.Miller@adaptimmune.com

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Adaptimmune Therapeutics plc