Stemline Therapeutics Clears First Cohort of Patients in Ongoing SL-801 Phase 1 Trial

On May 03, 2016 Stemline Therapeutics, Inc. (Nasdaq:STML) reported that it has completed the initial dosing cohort in its SL-801 Phase 1 advanced solid tumor trial (Press release, Stemline Therapeutics, MAY 3, 2016, View Source [SID:1234511819]). The second cohort is currently open. SL-801 is a novel, oral, small molecule that reversibly inhibits the XPO1 (Exportin-1) nuclear transport protein, a clinically validated target active in a wide variety of cancer types.

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This Phase 1 dose escalation trial will enroll up to 50 patients with advanced solid tumors at multiple centers in the U.S. The trial is designed to evaluate safety, identify an optimal dosing regimen, and detect potential signals of efficacy in one or more cancer types.

Ivan Bergstein, M.D., Stemline’s Chief Executive Officer, stated, "We are very pleased to have dosed the first patients in our SL-801 program during the first quarter, in-line with our expectations, and recently cleared the first dosing cohort. We are continuing to enroll patients with a wide range of solid cancer types in this trial in order to identify specific indications with both sensitivity to the agent as well as viable registration pathways. We believe we can leverage the unique properties of this compound along with our knowledge of the XPO1 space to create significant value from the program early on."

AstraZeneca completes acquisition of Takeda’s respiratory business

On May 3, 2016 AstraZeneca reported that it has completed the acquisition of the core respiratory business of Takeda Pharmaceutical Company Limited ("Takeda") (Press release, AstraZeneca, MAY 3, 2016, View Source [SID:1234511817]). The agreement, announced in December 2015, includes the expansion of rights to roflumilast (marketed as Daliresp in the US and Daxas in other countries), the only approved oral PDE4 inhibitor for the treatment of chronic obstructive pulmonary disease. AstraZeneca has marketed Daliresp in the US since the acquisition of the rights from Actavis in the first quarter of 2015.

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CNTX-4975

Our lead pipeline candidate is CNTX-4975, a highly potent, ultrapure, synthetic form of capsaicin (a derivative of the chili plant), called trans-capsaicin, which is the first and only, patented capsaicin designed to be administered via injection into the site of pain (Company Pipeline, Centrexion Therapeutics, MAY 3, 2016, View Source [SID:1234511816]). CNTX-4975 was developed in a research lab at The Johns Hopkins School of Medicine by co-founder and CSO, James Campbell, M.D. It is being evaluated for the treatment of osteoarthritis (OA) pain of the knee in humans and canines, as well as in patients with Morton’s neuroma, a painful foot condition. CNTX-4975 is injected directly into the affected knee or neuroma.

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Centrexion harnessed the natural analgesic power of capsaicin to develop its exclusive injectable therapy designed to provide fast-acting, long-lasting and targeted pain relief.
It works by selectively targeting the capsaicin receptor (also known as TRPV1) that inactivates the nerve fibers transmitting pain signals to the brain – a therapeutic affect that can last for months until the nerve fiber regenerates. Through its targeted delivery process and method of action, CNTX-4975 manages pain without disrupting other nerve functions.

Modulation of splicing catalysis for therapeutic targeting of leukemia with mutations in genes encoding spliceosomal proteins.

Mutations in genes encoding splicing factors (which we refer to as spliceosomal genes) are commonly found in patients with myelodysplastic syndromes (MDS) and acute myeloid leukemia (AML). These mutations recurrently affect specific amino acid residues, leading to perturbed normal splice site and exon recognition. Spliceosomal gene mutations are always heterozygous and rarely occur together with one another, suggesting that cells may tolerate only a partial deviation from normal splicing activity. To test this hypothesis, we engineered mice to express a mutated allele of serine/arginine-rich splicing factor 2 (Srsf2(P95H))-which commonly occurs in individuals with MDS and AML-in an inducible, hemizygous manner in hematopoietic cells. These mice rapidly succumbed to fatal bone marrow failure, demonstrating that Srsf2-mutated cells depend on the wild-type Srsf2 allele for survival. In the context of leukemia, treatment with the spliceosome inhibitor E7107 (refs. 7,8) resulted in substantial reductions in leukemic burden, specifically in isogenic mouse leukemias and patient-derived xenograft AMLs carrying spliceosomal mutations. Whereas E7107 treatment of mice resulted in widespread intron retention and cassette exon skipping in leukemic cells regardless of Srsf2 genotype, the magnitude of splicing inhibition following E7107 treatment was greater in Srsf2-mutated than in Srsf2-wild-type leukemia, consistent with the differential effect of E7107 on survival. Collectively, these data provide genetic and pharmacologic evidence that leukemias with spliceosomal gene mutations are preferentially susceptible to additional splicing perturbations in vivo as compared to leukemias without such mutations. Modulation of spliceosome function may thus provide a new therapeutic avenue in genetically defined subsets of individuals with MDS or AML.

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Momenta Pharmaceuticals Reports First Quarter 2016 Financial Results

On May 03, 2016 Momenta Pharmaceuticals, Inc. (Nasdaq:MNTA) today reported its financial results for the first quarter ended March 31, 2016 (Press release, Momenta Pharmaceuticals, MAY 3, 2016, View Source [SID:1234511810]).

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For the first quarter of 2016, the Company reported total revenues of $19.9 million, including $14.8 million in product revenues from Sandoz’s sale of Glatopa (glatiramer acetate injection). Momenta reported a net loss of $(24.0) million, or $(0.35) per share for the first quarter compared to a net loss of $(21.9) million, or $(0.40) per share for the same period in 2015. At March 31, 2016, the Company had cash, cash equivalents, and marketable securities of $362.8 million compared to $350.0 million at December 31, 2015.

"Since the beginning of 2016, Momenta has made steady progress in each of our business areas," said Craig A. Wheeler, President and Chief Executive Officer of Momenta Pharmaceuticals. "Our biosimilars pipeline continues to advance. The pivotal trial for M923, our biosimilar version of HUMIRA developed in collaboration with Baxalta, is now fully enrolled and our collaboration with Mylan for the development of six biosimilar candidates received HSR clearance and is progressing nicely. In our novel drug portfolio, our Phase 2 trial of necuparanib in patients with pancreatic cancer continues to enroll, and we remain on track for availability of top line data in the second half of 2017. We also received regulatory clearance to initiate a Phase 1 dosing study for M281, our novel anti-FcRn antibody, and anticipate dosing our first subject in the next several weeks.

"For the remainder of 2016, we look forward to continued progress across our pipeline of biosimilar and novel drug programs including the presentation of final Phase 1 results from our necuparanib trial and Phase 1 study of M923," continued Mr. Wheeler.

First Quarter Highlights and Recent Events

Complex Generics:

In the first quarter of 2016, Momenta recorded $14.8 million in product revenues from Sandoz’s Glatopa sales. Since the launch of Glatopa in June 2015, Momenta has recorded $58.2 million in product revenues from Sandoz’s sales of Glatopa reflecting $67.3 million in profit share net of a deduction of $9.1 million for reimbursement to Sandoz of the Company’s share of pre-launch Glatopa-related legal expenses.
The ANDA submitted by Sandoz for a three-times-a-week generic COPAXONE 40 mg (glatiramer acetate injection) is under FDA review. The Company expects to receive tentative regulatory approval in 2016.
A district court trial challenging Teva’s four Orange Book-listed patents for COPAXONE 40 mg (glatiramer acetate injection) is scheduled for September 26, 2016.
Momenta’s product revenues from Sandoz’s net sales of enoxaparin sodium injection decreased from $2.7 million in the first quarter of 2015 to zero for the same period in 2016.
Biosimilars:

In April 2016, Momenta and Baxalta completed enrollment in the pivotal clinical trial for M923, a biosimilar candidate of HUMIRA (adalimumab). The companies are targeting first regulatory submission in 2017 and a first commercial launch as early as 2018. The Company plans to present data from the pharmacokinetics study of M923 in a poster session at the European League against Rheumatism (EULAR) Annual Congress in London on June 10, 2016.
In January 2016, Momenta announced a global collaboration with Mylan N.V. to develop, manufacture and commercialize six of the Company’s biosimilar candidates, including M834, a biosimilar candidate of ORENCIA (abatacept). On February 9, 2016, the companies received clearance for the collaboration under the Hart-Scott-Rodino Antitrust Improvements Act. In the first quarter of 2016 Momenta received an upfront cash payment of $45 million from Mylan.
In January 2016, the U.S. Patent and Trademark Office (PTAB) instituted Momenta’s request for an Inter Partes Review proceeding to challenge Bristol Myers Squibb’s U.S. formulation Pat. 8,476,239 for ORENCIA. The Company expects a decision from the PTAB in January 2017.
Novel Drugs:
Necuparanib (novel oncology candidate)

Momenta’s Phase 2 trial to evaluate the antitumor activity of necuparanib in combination with Abraxane (nab-paclitaxel) plus gemcitabine, versus Abraxane plus gemcitabine alone, is enrolling. The Company expects to have clinical data in the second half of 2017.
Momenta continues to collect data from the Phase 1 study of necuparanib and plans to present final data in a poster session at the upcoming American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting in June 2016.
Autoimmune Drugs
Momenta’s three novel autoimmune candidates are in preclinical development. These candidates include a hyper-sialylated IVIg (hsIVIg), a high potency alternative to IVIg, and two recombinant molecules: M230, a Selective Immunomodulator of Fc receptors (SIF3) and M281, an anti-FcRn monoclonal antibody. The Company is advancing the recombinant candidates with a goal of initiating clinical trials in 2016 for M281, and in 2017 for M230. The Company is continuing its efforts to identify and explore potential collaboration opportunities for the further development and commercialization of its hsIVIg program.

First Quarter 2016 Financial Results

Total revenues for the first quarter of 2016 were $19.9 million compared to $8.6 million for the same period in 2015. Total revenues for the first quarter of 2016 include $14.8 million in product revenue from Glatopa, which launched in June 2015, and no product revenue from enoxaparin, as no contractual profit was earned on Sandoz’s net sales of enoxaparin for the quarter. Total revenue in the first quarter of 2015 included enoxaparin product revenue of $2.7 million. The decrease in enoxaparin product revenue is due to the change in collaboration economics from a royalty payment to 50% profit share, decreased unit sales due to lower market share and continued competitive pricing.

Collaborative research and development revenue for the first quarter of 2016 was $5.1 million compared to the $5.8 million recorded in the same quarter last year. In the first quarter of 2016, the Company received a $45.0 million upfront payment from Mylan. The upfront payment was allocated to the six products and will be recognized as revenue ratably over the estimated development periods of the six products in the collaboration. In the first quarter of 2016, $0.9 million of collaborative revenue from Mylan was recognized. The decrease in the balance of research and development revenue of $1.6 million from the 2015 period to the 2016 period is due primarily to lower reimbursable costs for M923, as Baxalta has assumed clinical development responsibility for that program.

The Company expects that collaborative research and development revenue earned by Momenta related to reimbursement from Baxalta and Sandoz will fluctuate from quarter to quarter in 2016 depending on research and development activities. The quarterly recognition of consideration under the Company’s collaborations with Baxalta and Mylan is expected to be $2.4 million and $1.8 million per quarter, respectively.

Research and development expenses for the first quarter of 2016 were $28.8 million (net of $3.7 million reimbursable from Mylan), compared to $22.7 million for the same period in 2015. The increase of $6.1 million, or 27%, from the 2015 period was due to increases of $5.0 million in personnel-related expenses primarily attributed to the reversal of prior period share-based compensation expense in the first quarter of 2015 associated with performance-based stock awards, $3.3 million in third-party research and process development costs for the Company’s biosimilar and novel autoimmune drug programs, $0.6 million of facility and depreciation expense, $0.6 million in necuparanib Phase 2 clinical trial expenses and $0.3 million in professional fees.

General and administrative expenses for the quarter ended March 31, 2016 were $15.6 million, compared with $7.9 million for the same period in 2015. The increase of $7.7 million, or 97%, was due to $6.3 million in personnel-related expenses primarily due to the reversal of prior period share-based compensation expense in the first quarter of 2015 associated with performance-based stock awards and a $1.4 million increase in professional fees.

At March 31, 2016, Momenta had $362.8 million in cash, cash equivalents and marketable securities.

Financial Guidance

The Company’s guidance for the first quarter of 2016 for operating expenses, excluding stock-based compensation expense and net of collaborative reimbursement revenues from Sandoz and Baxalta, was $45 – $55 million. As shown in the table below, reported operating expenses, excluding stock-based compensation expense and net of collaborative reimbursement revenues from Sandoz and Baxalta, were $37.9 million. The guidance for the first quarter did not include consideration of the Mylan collaboration, in which the Company presents the cost sharing reimbursement from Mylan as a reduction in operating expenses. Excluding the impact of the Mylan collaboration cost-sharing of $3.8 million, operating expenses were $41.7 million, as compared with guidance of $45 – $55 million. The lower expenses in the first quarter were primarily due to the timing of process development and manufacturing activities.

Three Months
Ended March 31,
2016 2015
Operating expenses:
As reported $ 44,404 $ 30,639
Share-based compensation (expense) income (4,828 ) 4,385
Less: Collaborative reimbursement (1,686 ) (4,154 )
Subtotal 37,890 30,870
Add: Mylan collaboration cost-sharing 3,792 —
$ 41,682 $ 30,870

Today, Momenta provided guidance that it expects operating expenses (which will be reported net of Mylan’s share of collaboration expenses), excluding stock-based compensation expense and net of collaborative reimbursement revenues from Sandoz and Baxalta, to be approximately $40 – $45 million per quarter for the remainder of 2016.