Stemline Targeting cancer at its root
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Stemline Therapeutics Reports Second Quarter 2018 Financial Results

Stemline Therapeutics Reports Second Quarter 2018 Financial Results

Aug 9, 2018

NEW YORK, Aug. 09, 2018 (GLOBE NEWSWIRE) -- Stemline Therapeutics, Inc. (Nasdaq: STML), a clinical-stage biopharmaceutical company developing novel oncology therapeutics, announced today its financial results for the quarter ended June 30, 2018. The Company also reviewed recent clinical and regulatory events, and outlined key upcoming milestones:

ELZONRIS™ (SL-401, tagraxofusp) – BLA submission completed

  • We completed submission of a rolling Biologics License Application (BLA) to the U.S. Food and Drug Administration (FDA) for ELZONRIS, which has been granted breakthrough therapy designation (BTD), for the treatment of patients with blastic plasmacytoid dendritic cell neoplasm (BPDCN). If successful, we anticipate acceptance of our BLA within 60 days of submission (i.e. in the coming weeks) and potential U.S. marketing approval by 1Q19, or possibly sooner.

  • Data from our pivotal trial in patients with BPDCN was the subject of an oral presentation at the 23rdCongress of the European Hematology Association (EHA) in Stockholm, Sweden.

  • We anticipate feedback from the European Medicines Agency (EMA) later this year regarding a potential ELZONRIS regulatory filing in Europe.

  • In preparation for potential marketing approval, we continue to build out our pre-launch and commercial activities, including our disease awareness campaign targeting key stakeholders including hematologist-oncologists, dermatologists, and pathologists.

ELZONRIS – Other potential indications

  • ELZONRIS is also being evaluated in clinical trials in additional indications including chronic myelomonocytic leukemia (CMML) and myelofibrosis (MF).

  • Clinical data from ongoing trials in patients with CMML and MF were selected for presentation at EHA in June.

    • In relapsed/refractory CMML (n=16 patients), ELZONRIS demonstrated 100% (8/8) spleen responses in evaluable patients with baseline splenomegaly by physical exam and 2 bone marrow complete responses (BMCRs), coupled with a tolerable safety profile. Given the results observed to date, we are currently formulating registrational trial designs.

    • In relapsed/refractory MF (n=15 patients), ELZONRIS demonstrated 50% (6/12) spleen responses in evaluable patients with baseline splenomegaly (>5 cm palpable below the costal margin by physical exam), coupled with a tolerable safety profile. Given the results observed to date, we are currently evaluating next steps including possible registrational trial designs.

SL-801

  • Data from the ongoing Phase 1 trial of SL-801 in patients with advanced solid tumors were presented at the 2018 American Society of Clinical Oncology (ASCO) annual meeting in June. Patient enrollment and dose escalation continues.

SL-701

  • Data from the Phase 2 trial of SL-701 in patients with second-line glioblastoma (GBM) were presented at the 2018 ASCO meeting in June. Notably, there were long-term (>12 month) overall survivors in the SL-701+bevacizumab cohort which consisted primarily of patients who demonstrated an elevated immune response (i.e. potentially representing an “immunocompetent” population). Further analyses, including registration-directed designs are ongoing.

Ivan Bergstein, MD, CEO of Stemline, commented, “We have completed our rolling BLA submission and are quickly approaching the very important milestone of a potential BLA acceptance for filing by the FDA. We continue to advance closer to our ultimate goal of potentially making ELZONRIS widely available to patients with BPDCN. In parallel, ELZONRIS continues to generate very promising clinical data in additional indications including CMML and MF, two settings of unmet medical need for which we are actively evaluating registration pathways. Additionally, we continue to expand our commercial infrastructure including the build out of our sales and marketing teams ahead of our potential approval.”

Second Quarter 2018 Financial Results Review
Stemline ended the second quarter of 2018 with $97.1 million in cash, cash equivalents and investments, with a cash burn of $17.6 million in the second quarter. The Company ended the second quarter of 2018 with 30.9 million shares outstanding. For the second quarter of 2018, Stemline had a net loss of $18.9 million, or $0.66 per share, compared with a net loss of $15.5 million, or $0.66 per share, for the same period in 2017.

Research and development expense was $11.2 million for the quarter ended June 30, 2018, compared with $11.5 million for the quarter ended June 30, 2017, representing a decrease of $0.3 million.

General and administrative expense was $8.6 million for the quarter ended June 30, 2018, compared with $4.5 million for the quarter ended June 30, 2017, representing an increase of $4.1 million. The increase in expense was primarily attributed to a $3.0 million increase in pre-launch expenses in support of our potential commercialization of ELZONRIS in BPDCN, if marketing approval from the FDA is received. Additionally, the higher expense was also due to an increase of non-cash stock-based compensation expense and increased headcount.

About BPDCN
Please visit the BPDCN disease awareness website: www.bpdcninfo.com.

About Stemline Therapeutics
Stemline Therapeutics, Inc. is a clinical-stage biopharmaceutical company developing novel oncology therapeutics. Stemline is developing three clinical stage product candidates, ELZONRISTM (tagraxofusp; SL-401), SL-801, and SL-701. ELZONRIS is a targeted therapy directed to the interleukin-3 receptor (CD123) present on a range of malignancies. ELZONRIS has completed a pivotal trial in blastic plasmacytoid dendritic cell neoplasm (BPDCN), for which it was granted breakthrough therapy designation (BTD). The pivotal trial met its primary endpoint, and a rolling Biologics License Application (BLA) submission has been completed. ELZONRIS is also being evaluated in clinical trials in additional indications including chronic myelomonocytic leukemia (CMML), myelofibrosis (MF), and other indications. SL-801 is a novel oral small molecule reversible inhibitor of XPO1 that is currently in a Phase 1 trial of patients with advanced solid tumors; dose escalation is ongoing. SL-701, an immunotherapeutic, has completed a Phase 2 trial in patients with second-line glioblastoma; data and next steps for the program are being evaluated.

Forward-Looking Statements
Some of the statements included in this press release may be forward-looking statements that involve a number of risks and uncertainties. For those statements, we claim the protection of the safe harbor for forward-looking statements contained in the Private Securities Litigation Reform Act of 1995. The factors that could cause our actual results to differ materially include: the success and timing of our BLA submission to the FDA; the success and timing of our clinical trials and preclinical studies for our product candidates, including site initiation, institutional review board approval, scientific review committee approval, patient accrual, safety, tolerability and efficacy data observed, and input from regulatory authorities including the risk that the FDA or other ex-U.S. national drug authority ultimately does not agree with our data, find our data supportive of approval, or approve any of our product candidates; our plans to develop and commercialize our product candidates; market acceptance of our products; reimbursement available for our products; our available cash and investments; our ability to obtain and maintain intellectual property protection for our product candidates; our ability to obtain and maintain intellectual property protection for our product candidates; our ability to manufacture; the performance of third-party manufacturers, clinical research organizations, clinical trial sponsors and clinical trial investigators; and other risk factors identified from time to time in our reports filed with the SEC. Any forward-looking statements set forth in this press release speak only as of the date of this press release. We do not intend to update any of these forward-looking statements to reflect events or circumstances that occur after the date hereof.

Contact
Investor Relations
Stemline Therapeutics, Inc.
750 Lexington Avenue
Eleventh Floor
New York, NY 10022
Tel: 646-502-2307
Email: investorrelations@stemline.com


Table 1. Stemline Therapeutics, Inc. - Balance Sheets

    June 30, 2018
(Unaudited)
  December 31, 2017  
Assets          
Current assets:          
Cash and cash equivalents    $ 16,909,400   $ 4,795,098  
Short-term investments   79,232,550   46,924,612  
Prepaid expenses and other current assets   2,221,982   469,067  
Total current assets    98,363,932   52,188,777  
Property and equipment, net    142,137   136,672  
Long-term investments    992,317   14,468,414  
Other Assets   212,305   212,305  
Total assets    $ 99,710,691   $ 67,006,168  
 

Liabilities and stockholders’ equity
         
Current liabilities:          
Accounts payable and accrued expenses   $ 18,179,418   $ 19,742,087  
Other current liabilities     106,222     96,826  
Total current liabilities    18,285,640   19,838,913  
Other liabilities   67,785   96,826  
Total liabilities    18,353,425   19,935,739  
Stockholders’ equity:          
Preferred stock $0.0001 par value, 5,000,000 shares authorized, none issued and outstanding at June 30, 2018 and December 31, 2017       
Common stock $0.0001 par value, 53,750,000 shares authorized at June 30, 2018 and December 31, 2017. 30,917,705 shares issued
and outstanding at June 30, 2018 and 25,313,595 shares issued and outstanding at December 31, 2017 
  3,092   2,531  
Additional paid-in capital    322,886,302   251,489,546  
Accumulated other comprehensive loss   (122,973 ) (145,958 )
Accumulated deficit    (241,409,155 ) (204,275,690 )
Total stockholders’ equity    81,357,266   47,070,429  
Total liabilities and stockholders’ equity    $  99,710,691   $ 67,006,168  
               
               

Table 2. Stemline Therapeutics, Inc. - Statements of Operations (Unaudited)

  Three Months Ended June 30,     Six Months Ended June 30,  
  2018
    2017     2018
    2017
 
Revenues:                          
Grant income $ 500,000     $ 299,401     $ 500,000     $ 598,802  
                               
Operating expenses:                              
Research and development   11,184,064       11,479,030       23,892,122       21,099,354  
General and administrative   8,622,616       4,480,630       14,561,216       9,848,406  
                             
Total operating expenses   19,806,680       15,959,660       38,453,338       30,947,760  
                             
Loss from operations   (19,306,680 )     (15,660,259 )     (37,953,338 )     (30,348,958 )
Other expense               (3,897 )      
Interest expense   (123 )           (123 )      
Interest income   378,100       203,323       611,902       326,012  
Net loss $ (18,928,703 )   $ (15,456,936 )   $ (37,345,456 )   $ (30,022,946 )
                               
Net loss per common share:                          
                           
Basic and Diluted $ (0.66 )   $ (0.66 )   $ (1.34 )   $ (1.33 )
                           
Weighted-average shares outstanding:                              
                               
Basic and Diluted   28,567,982       23,412,409       27,851,707       22,615,909  
                   

 

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