Trovagene to Present New Data from Onvansertib Phase 2 Study in Metastatic Castration-Resistant Prostate Cancer at Asia-Pacific Prostate Cancer Conference

On August 15, 2019 Trovagene, Inc. (Nasdaq: TROV), a clinical-stage, Precision Cancer Medicine oncology therapeutics company, developing drugs that target cell division (mitosis), for the treatment of various cancers, including prostate, colorectal and leukemia, reported that new clinical data from its Phase 2 trial of onvansertib, in combination with Zytiga (abiraterone acetate)/prednisone, in metastatic Castration-Resistant Prostate Cancer (mCRPC), will be presented as an oral poster at the 20th Asia-Pacific Prostate Cancer Conference, which will be held August 23-26 in Melbourne, Australia (Press release, Trovagene, AUG 15, 2019, View Source [SID1234538785]).

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The data will be presented in an oral, moderated poster session on Saturday, August 24, 2019 at 1:00 pm (AEDT)

Details of the Trovagene Poster Presentation are as follows:

Title: A Phase 2 Study of the Combination of PLK1 Inhibitor, Onvansertib, with Abiraterone and Prednisone in Patients with Metastatic Castration-Resistant Prostate Cancer (mCRPC)

Abstract Number: 1044

Moderated Poster Session: Clinical Urology

Location: Goldfields Exhibition

NOXXON Announces Completion of €1 Million Capital Increase

On August 15, 2019 NOXXON Pharma N.V. (Paris:ALNOX) (Euronext Growth Paris: ALNOX), a biotechnology company focused on improving cancer treatments by targeting the tumor microenvironment (TME), reported that the previously announced capital increase of €1 million through a private placement of shares without warrants (see press release of August 6, 2019) has been completed and that further investment is already committed for a future investment round (Press release, NOXXON, AUG 15, 2019, View Source [SID1234538786]).

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"We are pleased to announce the completion of the capital increase, which has placed NOXXON in a solid position that will facilitate the advancement and initiation of the Phase 1/2 clinical trial in brain cancer. We are working at full speed to open the clinical trial sites in Germany where the trial has already been approved by the regulatory authorities and Ethics Committees. In parallel, we are in active discussions regarding additional financing, industry partnerships and M&A," said Aram Mangasarian, CEO of NOXXON.

Sutro Biopharma Reports Second Quarter 2019 Financial Results and Recent Business Highlights and Developments

On August 14, 2019 Sutro Biopharma, Inc. (NASDAQ: STRO), a clinical-stage drug discovery, development and manufacturing company focused on the application of precise protein engineering and rational design to create next-generation oncology therapeutics, reported its financial results for the three and six months ended June 30, 2019 (Press release, Sutro Biopharma, AUG 14, 2019, View Source [SID1234538728]).

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"During the second quarter of 2019, we presented encouraging interim safety data from our Phase 1 trial for STRO-001 at the EHA (Free EHA Whitepaper) Congress and continued to advance our pipeline of product candidates and programs," said Bill Newell, Sutro’s Chief Executive Officer. "We believe our proprietary technology allows us to rapidly and precisely create optimally designed, next-generation protein therapeutics candidates for cancer and autoimmune disorders. At Sutro, we hold ourselves to the highest standards and set ambitious goals for ourselves which we have been meeting and exceeding."

Recent Business Highlights and Developments

STRO-001 Clinical Program

Potential first-in-class and best-in-class Antibody Drug Conjugate ("ADC") directed against CD74, which is highly expressed in many B cell malignancies
Phase 1 dose-escalation, with dose expansion, clinical trial enrolling patients with multiple myeloma and non-Hodgkin lymphoma, with initial safety data presented at the EHA (Free EHA Whitepaper) Congress on June 15, 2019 and initial efficacy data expected by year end 2019
STRO-002 Clinical Program

Potential best-in-class ADC directed against folate receptor-alpha, which is highly expressed in ovarian cancer
Phase 1 dose-escalation, with dose expansion, clinical trial enrolling women with advanced ovarian and endometrial cancers, with initial safety data expected by year end 2019
BCMA ADC Clinical Program and Celgene Collaboration

Celgene received FDA clearance on its IND application for an ADC targeting B-cell maturation antigen ("BCMA") for the treatment of multiple myeloma. This is the third product candidate to originate from Sutro’s proprietary discovery and manufacturing platform to enter clinical development since early 2018, and for which Celgene has worldwide development and commercialization rights. Sutro is entitled to development and regulatory milestone payments and tiered royalties ranging from mid to high single digit percentages from Celgene for this BCMA ADC.
Existing pipeline was bolstered as Sutro gained back rights to three bispecific assets from the collaboration with Celgene. Sutro holds U.S. development and commercialization rights targeting BCMA-CD3, PD1-LAG3 and PD1-TIM3. For any products resulting from these three programs, Celgene will own ex-U.S. development and commercialization rights and will be obligated to pay Sutro development and regulatory milestone payments and tiered royalties.
Second Quarter 2019 Financial Highlights

Cash, Cash Equivalents and Marketable Securities

As of June 30, 2019, Sutro had cash, cash equivalents and marketable securities of $168.2 million, as compared to $204.5 million as of December 31, 2018, which represents net cash usage of $36.3 million during the six months ended June 30, 2019.

Revenue

Revenue was $10.5 million and $19.2 million for the three and six months ended June 30, 2019, respectively, compared to $5.7 million and $11.5 million for the same periods in 2018. The 2019 periods included collaboration revenue from Celgene, Merck and EMD Serono. On January 1, 2019, Sutro adopted Accounting Standards Update No. 2014-09 Revenue from Contracts with Customers (Accounting Standards Codification Topic 606). For more information on the impact of the adoption of the new revenue standard, see "Notes to Unaudited Interim Condensed Financial Statements" contained in Part I, Item 1 of Sutro’s Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 14, 2019. Future collaboration revenue from Celgene, Merck and EMD Serono, and from any future collaboration partners, will fluctuate as a result of the amount and timing of revenue recognition of upfront, milestones and other collaboration agreement payments.

Operating Expenses

Total operating expenses for the three and six months ended June 30, 2019, were $24.2 million and $47.1 million, respectively, compared to $17.8 million and $35.3 million for the same periods in 2018, including non-cash stock-based compensation of $2.5 million and $0.2 million, and depreciation and amortization expense of $1.2 million and $1.1 million, in the 2019 and 2018 second quarters, respectively. Total operating expenses for second quarter 2019 were comprised of research and development expenses of $16.1 million and general and administrative expenses of $8.1 million, with both expense types expected to increase in 2019 as Sutro’s internal product candidates advance in clinical development and additional general and administrative expenses are incurred as a public company.

Titan Pharmaceuticals Reports Second Quarter 2019 Financial Results

On August 14, 2019 Titan Pharmaceuticals, Inc. (NASDAQ: TTNP) reported financial results for the second quarter ended June 30, 2019 and provided an update on its business (Press release, Titan Pharmaceuticals, AUG 14, 2019, View Source [SID1234538746]).

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Second Quarter 2019 and Recent Business Highlights

In May 2019, Titan announced a product purchase and supply agreement for Probuphine (buprenorphine) with Accredo specialty pharmacy, a subsidiary of Express Scripts.
In June 2019, Titan announced a pharmacy services agreement for Probuphine with Southside Specialty Pharmacy.
In June 2019, Titan and Molteni & C. dei F.lli Alitti Società di Esercizio S.p.A. ("Molteni") announced that the European Commission approved Sixmo-buprenorphine, the brand name for Probuphine implant in the European Union ("EU").
In July 2019, Titan announced a specialty product distribution agreement for Probuphine with CVS Caremark, a subsidiary of CVS Health.
In August 2019, Titan completed a $2.1 million offering resulting in net proceeds of approximately $1.8 million.
"During the second quarter, we continued to build on the foundation required to transition from a small product development company to a successful commercial enterprise. We now have a new user-friendly hub for processing Probuphine prescriptions and product orders, as well as a wider and more streamlined distribution network to support the commercialization of the product, all of which are essential for achieving commercial success," said Titan’s President and CEO, Sunil Bhonsle. "The global footprint of Probuphine expanded when Titan and our partner, Molteni, achieved a major milestone in June with the approval in the EU of Sixmo. We hope to see operational and commercial synergies as we continue supporting Molteni in preparation for Sixmo’s progressive launch across the world’s second largest market for buprenorphine-based products, and look forward to initiating product shipments to Molteni by the end of this year."

Probuphine is indicated for the maintenance treatment of opioid dependence in eligible patients. Please see full indication below.

Titan’s Executive Chairman, Dr. Marc Rubin, commented, "In addition to obtaining regulatory approval in a third major market, we are working hard to continue building our commercial capabilities. We are seeing an increase in Probuphine prescribers which we believe, when combined with our improved capabilities, will translate to product growth. Moving forward, with sufficient resources, we can expect to see this progress to be increasingly reflected in our financial results."

Second Quarter 2019 Financial Results

For the three months ended June 30, 2019, Titan reported approximately $0.5 million in revenues, which reflect approximately $0.3 million in product revenues and $0.2 million of grant revenues. This compared with revenues of approximately $2.7 million in the same period in 2018, which were primarily related to license revenues from the sale of European intellectual property rights to Molteni; and the return of the Braeburn license and earned royalties.

Total operating expenses for the second quarter of 2019 were approximately $5.4 million, compared with approximately $3.3 million in the same quarter in 2018, and consisted primarily of research and development ("R&D") and selling, general and administrative ("SG&A") expenses and costs of goods sold, inclusive of distribution expenses.

R&D expenses for both the quarters ended June 30, 2019 and June 30, 2018 were approximately $1.9 million. SG&A expenses for the 2019 second quarter were approximately $3.2 million, compared with approximately $1.4 million in the same quarter a year ago. The increase in SG&A expenses for the three months ended June 30, 2019 was primarily due to expenses associated with the commercialization of Probuphine, which included increases in employee related expenses of approximately $0.8 million, consulting and professional fees of approximately $0.5 million, other outside services of approximately $0.3 million, travel related expenses of approximately $0.2 million and facilities related expenses of approximately $0.1 million. Costs of goods sold, which reflects product costs and other distribution expenses associated with sales of Probuphine, were approximately $0.2 million for the second quarter of 2019, compared with cost of goods sold of approximately $70,000 for the three months ended June 30, 2018.

Net other expense was approximately $0.3 million for the three month period ended June 30, 2019, compared with net other expense of approximately $0.2 million in the same quarter a year ago. The increase was primarily attributable to loss on debt extinguishment associated with the conversion of the Molteni convertible loan.

Net loss applicable to common shareholders in the second quarter of 2019 was approximately $5.2 million, or approximately $0.38 per share, compared with a net loss applicable to common shareholders of approximately $0.9 million, or approximately $0.25 per share, in the same quarter in 2018.

As of June 30, 2019, Titan had cash and cash equivalents of approximately $2.3 million. Titan believes that its cash and cash equivalents as of June 30, 2019, along with the approximately $1.8 million of net proceeds from the registered direct offering and concurrent private placement completed in August 2019, will be sufficient to fund its operation through October 2019.

Conference Call Details

Titan management will host a conference call today at 4:30 p.m. EDT to review these financial results and discuss business developments in the period. The conference call will be hosted by Sunil Bhonsle, President and CEO; Dane Hallberg, Executive Vice President and Chief Commercial Officer; Brian Crowley, Vice President of Finance; and Marc Rubin, M.D., Executive Chairman.

The live conference call may be accessed by dialing 1-888-317-6003 (U.S.) or 1-412-317-6061 (international) and providing passcode 9110840. The call will also be broadcast live and archived on Titan’s website at www.titanpharm.com/news/events.

About Probuphine

Probuphine is the only subdermal implant designed to deliver buprenorphine continuously for six months following insertion.

Probuphine was developed using ProNeura, the continuous drug delivery system developed by Titan that consists of a small, solid implant made from a mixture of ethylene-vinyl acetate and a drug substance. The resulting construct is a solid matrix that is placed subdermally, normally in the upper arm, in an outpatient office procedure and removed in a similar manner at the end of the treatment period. The U.S. Food and Drug Administration ("FDA") approved Probuphine in May 2016, and it is the first and only buprenorphine implant available for the maintenance treatment of opioid addiction in eligible patients.

IMPORTANT SAFETY INFORMATION INCLUDING INDICATION AND BOXED WARNING

INDICATION

PROBUPHINE is an implant that contains the medicine buprenorphine. PROBUPHINE is used to treat certain adults who are addicted to (dependent on) opioid drugs (either prescription or illegal). PROBUPHINE is indicated for the maintenance treatment of opioid dependence in patients who have achieved and sustained prolonged clinical stability on low-to-moderate doses (doses no more than 8 mg per day) of a buprenorphine-containing product.

PROBUPHINE is part of a complete treatment program that also includes counseling and behavioral therapy.

It is not known if PROBUPHINE is safe or effective in children less than 16 years of age.

IMPORTANT SAFETY INFORMATION

WARNING: COMPLICATIONS FROM INSERTION AND REMOVAL OF PROBUPHINE
See Full Prescribing Information for complete Boxed Warning

Serious complications may happen from insertion and removal of PROBUPHINE, including:

Nerve or blood vessel injury in your arm
Movement of implant (migration). PROBUPHINE or pieces of it can move into blood vessels, possibly to your lung, and could lead to death
Implant sticks out of the skin (protrusion)
Implant comes out by itself (expulsion)
Call your healthcare provider right away if:

PROBUPHINE sticks out of the skin or comes out by itself
You have bleeding or symptoms of infection at the site after insertion or removal, including excessive or worsening itching, pain, irritation, redness, or swelling
You have numbness or weakness in your arm after the insertion or removal procedure
You have weakness or numbness in your arm, or shortness of breath
If the implant comes out by itself, keep it away from others, especially children, as it may cause severe difficulty in breathing and possibly death.

Because of the risk of complications of, migration, protrusion, expulsion and nerve injury with insertion and removal of PROBUPHINE, it is only available through a restricted program called the PROBUPHINE REMS Program. Healthcare providers who prescribe and/or insert PROBUPHINE must be certified with the program by enrolling and completing live training.

PROBUPHINE is not available in retail pharmacies
PROBUPHINE must be inserted or removed only in the facility of the certified prescriber
Implants may be difficult to locate if inserted too deeply, if you manipulate them, or if you gain significant weight after insertion. Your healthcare provider may do special procedures or tests, or refer you to a surgical specialist to remove the implants if they are difficult to locate.

The medicine in PROBUPHINE can cause serious and life-threatening problems, especially if you take or use certain other medicines or drugs. Call your healthcare provider right away or get emergency help if you:

Feel faint or dizzy, have mental changes such as confusion, slower breathing than you normally have, severe sleepiness, blurred vision, problems with coordination, slurred speech, cannot think well or clearly, high body temperature, slowed reflexes, feel agitated, stiff muscles or have trouble walking.

These can be signs of an overdose or other serious problems.

Coma or death can happen if you take anxiety medicines or benzodiazepines, sleeping pills, tranquilizers, or sedatives, antidepressants, or antihistamines, or drink alcohol during treatment with PROBUPHINE. Tell your healthcare provider if you are taking any of these medicines or if you drink alcohol.

Who should not use PROBUPHINE?

Do not use PROBUPHINE if you are allergic to buprenorphine or any of its ingredients, this includes buprenorphine hydrochloride and the inactive ingredient ethylene vinyl acetate or EVA.

PROBUPHINE may not be right for you. Before starting PROBUPHINE tell your doctor about all of your medical conditions, including:

Trouble breathing or lung problems, an enlarged prostate gland (men), a head injury or brain problem, problems urinating, a curve in your spine that affects your breathing, liver problems, gallbladder or adrenal gland problems, Addison’s disease, low thyroid hormone levels (hypothyroidism), a history of alcoholism, a history of keloid formation, connective tissue disease (such as scleroderma), or history of MRSA infections, mental problems such as hallucinations, an allergy to numbing medicines or medicines used to clean your skin, are pregnant or plan to become pregnant or are breastfeeding or plan to breastfeed.

Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins and herbal supplements.

What should I avoid while being treated with PROBUPHINE?

Do not drive, operate heavy machinery, or perform any other dangerous activities until you know how this medication affects you
You should not drink alcohol during treatment. You should not take anxiety medicines or benzodiazepines, sleeping pills, tranquilizers, or sedatives that are not prescribed to you during treatment with PROBUPHINE, as this can lead to slowed breathing, drowsiness, delayed reaction time, loss of consciousness or even death
What are the possible side effects of PROBUPHINE?

PROBUPHINE can cause serious side effects, including:

Infection at the insertion or removal site. Infection may happen at the implant site during insertion or removal. Do not try to remove PROBUPHINE yourself
Opioid withdrawal. If PROBUPHINE comes out of your arm or if you stop treatment, tell your doctor right away as you can have symptoms of shaking, sweating more than normal, feeling hot or cold more than normal, runny nose, watery eyes, goose bumps, diarrhea, vomiting and muscle aches
Physical dependency
Liver problems. Call your doctor right away if you notice signs of liver problems that may include your skin or the white part of your eyes turning yellow (jaundice)
Allergic reaction. If you get a rash, hives, itching, swelling of your face, or wheezing, low blood pressure, dizziness or decrease in consciousness
Decrease in blood pressure. You may feel dizzy when you get up from sitting or lying down
Tell your healthcare provider if you develop any of the symptoms listed.

Common side effects of PROBUPHINE include: Headache, nausea, toothache, constipation, depression, vomiting, back pain, mouth and throat pain.

SELLAS Life Sciences Provides Business Update and Reports Second Quarter 2019 Financial Results

On August 14, 2019 SELLAS Life Sciences Group, Inc. (Nasdaq:SLS) ("SELLAS" or the "Company"), a late-stage biopharmaceutical company focused on the development of novel cancer immunotherapies for a broad range of cancer indications, reported financial results for the quarter ended June 30, 2019 (Press release, Sellas Life Sciences, AUG 14, 2019, View Source [SID1234538766]).

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"In recent months, we have made clinical advancements across our pipeline of novel cancer peptide vaccines, particularly with our program for galinpepimut-S (GPS) in combination with anti-PD-1 therapies where we believe these treatments may be synergistic," said Angelos Stergiou, MD, ScD h.c., President and Chief Executive Officer of SELLAS. "As we look forward, we anticipate the following key milestones during the remainder of the year: (i) initiation of our Phase 3 registrational study of GPS in patients with acute myeloid leukemia (AML), (ii) first patient dosed in the investigator-sponsored study of GPS in combination with nivolumab in patients with malignant pleural mesothelioma (MPM), and (iii) initial clinical data from our Phase 2 trial of nelipepimut-S (NPS) in ductal carcinoma in situ (DCIS). Additionally, in the first quarter of 2020, initial clinical data is expected from our Phase 1/2 basket study of GPS in combination with KEYTRUDA (pembrolizumab)."

Dr. Stergiou added, "Importantly, with our recent follow-on offering, we strengthened our balance sheet in order to support our clinical development programs through what we believe will be value-creating inflection points. We look forward to hosting our first R&D Investor Day in November where we will present our GPS immunotherapy programs in greater detail, particularly the Phase 3 AML study, and key opinion leaders will discuss the current treatments of solid tumors and hematologic malignancies and the potential role of GPS in treating these devastating diseases."

Recent Pipeline Highlights

Galinpeptimut-S (GPS) Program
The Company’s planned Phase 3 registrational randomized, open-label study comparing GPS in the maintenance setting to investigators’ choice of best available treatment in adult AML patients who have achieved hematologic complete remission, with or without thrombocytopenia (CR2/CR2p), after second-line antileukemic therapy and who are deemed ineligible for or unable to undergo allogeneic stem-cell transplantation is expected to be initiated in the fourth quarter of 2019.
In July 2019, the Company announced the dosing of the first patient in its Phase 1/2 open-label, non-comparative, multicenter, multi-arm study of GPS in combination with Merck’s anti-PD-1 therapy, pembrolizumab, in patients with selected WT1-positive advanced cancers, including both solid tumors and hematologic malignancies. The study is initially evaluating patients with ovarian cancer (second or third line) and colorectal cancer (third or fourth line), to be followed by patients with AML who are unable to attain deeper morphological response than partial on hypomethylating agents and who are not eligible for allogeneic hematopoietic stem cell transplant and patients with triple negative breast cancer (TNBC) (second line), and small cell lung cancer (second line). The primary endpoints of this study include safety and overall response rate, and secondary endpoints include progression-free survival, overall survival and immune response correlates. Initial clinical data is expected from the study in the first quarter of 2020.
In April 2019, the Company announced an agreement with Memorial Sloan Kettering Cancer Center to conduct an investigator-sponsored clinical trial of GPS in combination with Bristol-Myers Squibb’s anti-PD-1 therapy, nivolumab, in patients with MPM. The Phase 1 open-label clinical study will enroll patients with MPM who harbor relapsed or refractory disease after having received frontline standard of care multimodality therapy with study drug provided by both SELLAS and Bristol-Myers Squibb.
In April 2019, SELLAS was granted its first licensed patent in China, covering additional analog peptides of the Wilms’ tumor oncogene protein (WT1), shown to induce enhanced T cell responses.

Nelipepimut-S (NPS) Program
In August 2019, SELLAS announced completion of enrollment in a Phase 2 investigator-sponsored trial of NPS in combination with granulocyte-macrophage colony-stimulating factor (GM-CSF) in women with DCIS of the breast who are HLA-A2+ or A3+ positive, express HER2 at IHC 1+, 2+, or 3+ levels, and are pre- or post-menopausal. The Phase 2 trial is sponsored and operated by the National Cancer Institute to study NPS’ potential clinical effects in earlier-stage disease. The primary endpoint of the trial is the difference in the frequency of newly induced NPS-cytotoxic T lymphocytes (CTL; CD8+ T-cell) in peripheral blood between the two arms of the study, using a dextramer assay. Initial data from this trial is expected by the end of 2019.
In June 2019, immune response data from a preplanned analysis in the cohort of patients with TNBC from the prospective, randomized, single-blinded, controlled Phase 2b independent investigator-sponsored clinical trial of NPS +/- trastuzumab (Herceptin) targeting HER2 low-expressing breast cancer patients were presented at the 55th Annual ASCO (Free ASCO Whitepaper) Meeting. The data showed highly clinically indicative increases in immune responses in the NPS plus trastuzumab patients as compared to the trastuzumab-alone arm.
Recent Corporate Highlights

In June 2019, SELLAS announced the closing of an underwritten public offering of (i) 26,367,200 shares of common stock together with common stock warrants (common warrants) to purchase 26,367,200 shares of common stock and (ii) 73,632,800 pre-funded warrants, with each pre-funded warrant exercisable for one share of common stock, together with common warrants to purchase 73,632,800 shares of common stock, for net proceeds of approximately $13.4 million.
R&D Investor Day Scheduled

The Company will host its first R&D Investor Day in New York, NY on Friday, November 15, 2019. The agenda includes updates regarding the GPS Phase 3 AML clinical trial and Phase 1/2 basket study in combination with pembrolizumab, and scientific discussions from key opinion leaders in cancer immunotherapeutics, including Dr. Hagop M. Kantarjian, MD, Professor and Chair of the Department of Leukemia at the University of Texas MD Anderson Cancer Center, and principal investigator of the Phase 3 AML clinical trial.

Second Quarter 2019 Financial Results

Cash Position: As of June 30, 2019, cash and cash equivalents totaled approximately $12.8 million, which includes the net proceeds of approximately $13.4 million from the Company’s underwritten public offering of shares of common stock and pre-funded warrants and accompanying common stock warrants to purchase shares of common stock consummated in June 2019.

R&D Expenses: Research and development expenses were $1.4 million for the second quarter of 2019, as compared to $1.6 million for the second quarter of 2018. The $0.2 million decrease was primarily attributable to a $0.5 million decrease in personnel related expenses due to reduced headcount and a $0.3 million decrease in outsourced clinical and regulatory consulting services. These decreases were partially offset by a $0.5 million increase in clinical trial expenses related to the Company’s ongoing basket trial of GPS in combination with pembrolizumab and a $0.1 million increase in licensing fees. Research and development expenses for the six months ended June 30, 2019 were $3.2 million, as compared to $3.4 million for the same period in 2018. The decrease of $0.2 million was primarily attributable to a $0.8 million decrease in personnel related expenses resulting from reduced headcount, partially offset by a $0.3 million increase in clinical trial expenses for the GPS basket trial and an increase of $0.3 million in licensing fees.

G&A Expense: General and administrative expenses were $2.6 million for the second quarter of 2019, as compared to $4.9 million for the second quarter of 2018. The $2.3 million decrease was primarily due to a $1.3 million decrease in legal fees, a $0.4 million decrease in public company costs, a $0.3 million decrease in personnel related expenses due to reduced headcount and a $0.3 million decrease in other expenses. General and administrative expenses for the first half of 2019 were $5.1 million, as compared to $8.8 million for the six months ended June 30, 2018. The $3.7 million decrease during the period was primarily related to a $1.8 million decrease in legal fees, a $0.5 million decrease in public company costs, a $0.4 million decrease in accounting and audit fees, a $0.3 million decrease in personnel related expenses due to reduced headcount, a $0.3 million decrease in outsourced consulting fees and a $0.4 million decrease in other expenses.

Net Loss: Net loss attributable to common stockholders was $4.1 million for the second quarter of 2019, or a basic and diluted loss per share attributable to common stockholders of $0.13, as compared to a net loss attributable to common stockholders of $8.5 million for the second quarter of 2018, or a basic and diluted loss per share attributable to common stockholders of $1.26. Net loss attributable to common stockholders was $9.1 million for the six months ended June 30, 2019, or a basic and diluted loss per share attributable to common stockholders of $0.33, as compared to a net loss attributable to common stockholders of $18.5 million for the six months ended June 30, 2018, or a basic and diluted loss per share attributable to common stockholders of $2.89.

Keytruda and Herceptin are registered trademarks of Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, N.J., USA, and Genentech, Inc., respectively, and are not trademarks of SELLAS. The manufacturers of these brands are not affiliated with and do not endorse SELLAS or its products.