On September 11, 2018 Provectus (OTCQB: PVCT) reported that data from two ongoing clinical trials, single agent PV-10 and PV-10 in combination with checkpoint inhibition for the treatment of uveal melanoma metastatic to the liver (an expansion cohort of NCT00986661) and PV-10 in combination with checkpoint inhibition for the treatment of metastatic melanoma (NCT02557321), will be presented in poster presentations at the SMR 2018 Congress (the Society for Melanoma Research annual meeting), held in Manchester, England from October 24-27, 2018 (Press release, Provectus Biopharmaceuticals, SEPT 11, 2018, View Source [SID1234529387]).

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The accepted abstracts are entitled:

"Percutaneous Oncolytic Rose Bengal Disodium for Metastatic Uveal Melanoma Patients with Hepatic Metastases," and

"Interim Results of a Phase 1b/2 Study of PV-10 and Anti-PD-1 in Advanced Melanoma."
Presentation details will be announced closer to the SMR 2018 Congress.

About Metastatic Uveal Melanoma

Uveal melanoma is a rare disease that is biologically and clinically distinct from cutaneous melanoma.1,2 Nearly 50% of uveal melanoma patients develop metastatic disease, with 80-90% of them presenting with the liver as the first site of disease involvement.1,2,3 Outcomes of metastatic uveal melanoma are poor, with a median overall survival of 12 months.4

About our Phase 1 Study of PV-10 for Cancers Metastatic to the Liver

Provectus’ ongoing, open-label, Phase 1 study is evaluating the safety, tolerability, and preliminary efficacy of PV-10 in patients with solid tumors metastatic to the liver. A single percutaneous injection of PV-10 is administered to a designated hepatic tumor. Response assessments are performed at Day 28, and then every three months. Patients with multiple injectable tumors may receive additional PV-10 after Day 28.

This study also includes a single-center cohort of 10 uveal melanoma patients with hepatic metastases. This site is MD Anderson Cancer Center in Houston, Texas, and the principal investigator for the basket study’s new cohort is Sapna Patel, MD. Eligible patients may also receive standard of care checkpoint blockade immunotherapy during treatment with PV-10.

About our Phase 1b/2 Study of PV-10 + KEYTRUDA for Metastatic Melanoma

Patients with metastatic melanoma having at least one injectable cutaneous or soft tissue lesion were eligible for participation in the Phase 1b portion of the study and received the combination of IL PV-10 and KEYTRUDA every three weeks for up to five cycles (i.e., for up to 12 weeks, with no further PV-10 administered after week 12), followed by only KEYTRUDA every three weeks for up to 24 months. The primary endpoint for the Phase 1b trial is safety and tolerability. Objective response rate and progression-free survival are key secondary endpoints; both are assessed via RECIST 1.1 after five treatment cycles, and then every 12 weeks thereafter.

Preliminary results were presented at the Society for Melanoma Research 2017 Congress in October 2017. Enrollment in the Phase 1b portion of this study was completed in May 2018.

About PV-10

Provectus’ lead investigational oncology drug product, PV-10, the first small molecule oncolytic immunotherapy, can induce immunogenic cell death. PV-10 is undergoing clinical study for adult solid tumor cancers, like melanoma and cancers of the liver, and preclinical study for pediatric cancers.

On September 10, 2018 Five Prime Therapeutics, Inc. (Nasdaq:FPRX), a biotechnology company discovering and developing innovative immuno-oncology protein therapeutics, reported that the company completed the Phase 1 safety lead-in portion and has initiated the Phase 3 portion of the FIGHT Phase 1/3 clinical trial of bemarituzumab (FPA144), an isoform-selective anti-FGF receptor 2b antibody, in combination with chemotherapy in patients with previously untreated, advanced gastric cancer (GC) or gastroesophageal junction (GEJ) cancer (Press release, Five Prime Therapeutics, SEPT 10, 2018, View Source [SID1234529372]).

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"We are very pleased to have completed the safety lead-in and move into the Phase 3 registrational portion of the bemarituzumab trial in patients with gastric cancer," said Helen Collins, M.D., Senior Vice President and Chief Medical Officer of Five Prime. "Patients with advanced gastric cancer are in dire need of new treatment options. Bemarituzumab is a targeted therapy and we are using state-of-the-art diagnostic tools to help us identify patients with FGFR2b overexpression, which is associated with a worse prognosis. Bemarituzumab has demonstrated encouraging monotherapy activity as a late-line treatment for gastric cancer and we believe that combining with chemotherapy in the front-line setting should provide the greatest patient benefit."

In December 2017, Five Prime initiated the Phase 1 portion (NCT03343301) of the Phase 1/3 FIGHT (FGFR2b Inhibition in Gastric and Gastroesophageal Junction Cancer Treatment) global registrational trial. The Phase 1 portion tested bemarituzumab doses of 6 mg/kg and 15 mg/kg in combination with modified FOLFOX6 (mFOLFOX6) with no overlapping toxicities identified.

The randomized, controlled, double-blinded Phase 3 portion of the FIGHT trial will evaluate bemarituzumab plus mFOLFOX6 versus placebo plus mFOLFOX6 in approximately 550 patients with gastric cancer (GC) or gastroesophageal junction (GEJ) cancer whose tumors overexpress FGFR2b. The Phase 3 trial will include approximately 250 sites in the U.S., Europe and Asia, including China, South Korea and Japan, where the incidence of gastric cancer is high. Zai Lab will manage the Phase 3 portion of the FIGHT trial in China.

The primary endpoint of the FIGHT trial is overall survival (OS) with secondary endpoints of progression-free survival (PFS), objective response rate (ORR), safety and pharmacokinetic (PK) parameters.

Unmet Need in GC and GEJ

GC, including GEJ cancer, is the fifth most common cancer worldwide and third leading cause of cancer death.

Current first-line chemotherapy treatment delays progression by approximately 6 months compared to best supportive care, but median OS remains poor with literature-reported ranges of approximately 10 to 11 months and PFS of approximately 6 months. The presence of FGFR2b overexpression is present in approximately 10% of patients with GC/GEJ and is associated with a worse prognosis. Few treatment options following progression are available after first-line chemotherapy and a significant unmet need remains in the treatment of GC/GEJ.

Five Prime is developing companion diagnostics to identify FGFR2b overexpression using an IHC test and FGFR2 gene amplification using ctDNA analysis. Five Prime will use both assays to select patients for the FIGHT trial.

About Bemarituzumab

Bemarituzumab is a first-in-class, isoform-selective, humanized monoclonal antibody in clinical development as a targeted immunotherapy for tumors that overexpress FGFR2b, a splice variant of a receptor for some members of the fibroblast growth factor (FGF) family. Bemarituzumab blocks FGFs 7, 10 and 22 from binding to FGFR2b, and has been engineered for enhanced antibody-dependent cell-mediated cytotoxicity (ADCC) to increase direct tumor cell killing by recruiting natural killer (NK) cells. Clinical results to date suggest that the specificity of bemarituzumab avoids the dose-limiting toxicities that have been seen with less selective pan-FGFR tyrosine kinase inhibitors that act on multiple FGFRs, including FGFR2.

In December 2017, Five Prime and Zai Lab announced a strategic collaboration for the development and commercialization of bemarituzumab in Greater China.

On September 10, 2018 TRACON Pharmaceuticals (NASDAQ:TCON), a clinical stage biopharmaceutical company focused on the development and commercialization of novel targeted therapeutics for cancer, wet age-related macular degeneration and fibrotic diseases, reported the publication of results from a Phase 1b clinical trial combining TRC105 with Inlyta (axitinib) in patients with advanced or metastatic renal cell carcinoma (RCC) (Press release, Tracon Pharmaceuticals, SEPT 10, 2018, View Source [SID1234529373]). Dr. Toni Choueiri of the Dana Farber Cancer Institute and colleagues published these results in the peer-reviewed journal, The Oncologist (Epublication ahead of print is available at PubMed.gov through PubMed ID number 30190302), and Dr. Andrew Hahn of the Huntsman Cancer Institute and co-authors published an accompanying editorial (Epublication ahead of print is available at PubMed.gov through PubMed ID number 30139834). These data were previously presented at the European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper) 2016 Congress in Copenhagen, Denmark.

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The open-label dose escalation and expansion Phase 1b study enrolled a total of 18 patients (17 of whom were evaluable for response) who had received at least one prior line of therapy with a VEGF receptor tyrosine kinase inhibitor (VEGFR TKI). The median number of prior therapies in the group was three, with a range of one to six. All patients in the trial received a combination of TRC105 and Inlyta. The data are summarized in the table below.

For comparison, in a separate trial, the objective response rate (ORR) seen in the large subgroup of VEGFR TKI-refractory patients treated with Inlyta (n=194) in the Inlyta AXIS Phase 3 study in second-line clear cell RCC patients was 11.3%, and median progression-free survival (PFS) was 4.8 months.

The publication also notes that plasma levels of TGF-β receptor 3 (betaglycan) at baseline were significantly higher in patients who experienced a partial response, while levels of osteopontin were significantly lower at baseline for patients that achieved a partial response. Both markers correlated with time on study and their potential prognostic value are being investigated in the ongoing Phase 2b TRAXAR study. TRACON’s Phase 2b TRAXAR clinical trial of TRC105 in combination with Inlyta completed enrollment of 150 patients with advanced or metastatic RCC in Q3 2017 and top-line data are expected to be available in December 2018.

About the TRAXAR Phase 2b Clinical Trial in RCC

The Phase 2b TRAXAR clinical trial is a multicenter, open-label, randomized clinical trial of TRC105 in combination with Inlyta versus Inlyta in patients with advanced or metastatic RCC. The primary endpoint of the Phase 2b study is progression-free survival. Patients may have also failed one prior mTOR inhibitor and one prior immunotherapy. For additional information on this clinical trial, please visit www.clinicaltrials.gov, identifier NCT01806064.

About Carotuximab (TRC105)

TRC105 is a novel, clinical stage antibody to endoglin, a protein overexpressed on proliferating endothelial cells that is essential for angiogenesis, the process of new blood vessel formation. TRC105 is currently being studied in a pivotal Phase 3 trial in angiosarcoma and multiple Phase 2 clinical trials, in combination with VEGF inhibitors, as well as in a Phase 1 trial with Opdivo. TRC105 has received orphan designation for the treatment of soft tissue sarcoma in both the U.S. and EU. The ophthalmic formulation of TRC105, DE-122, is currently in a randomized Phase 2 trial for patients with wet AMD. For more information about the clinical trials, please visit TRACON’s website at www.traconpharma.com/clinical_trials.php.

On September 10, 2018 Advaxis, Inc. (NASDAQ:ADXS), a late-stage biotechnology company focused on the discovery, development and commercialization of immunotherapy products, reported business highlights and financial results for the fiscal year 2018 third quarter, ended July 31, 2018 (Press release, Advaxis, SEPT 10, 2018, View Source [SID1234529374]).

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Recent key accomplishments include:

Dosing of the first patient in the Company’s Phase 1 trial with ADXS-NEO, a personalized immunotherapy approach targeting neoantigens identified by sequencing a patient’s own cancer cells, partnered with Amgen.
U.S. Food and Drug Administration (FDA) allowance of the Company’s Investigational New Drug (IND) application for its first ADXS-HOT drug candidate, ADXS-503, for non-small cell lung cancer. ADXS-HOT is an off-the-shelf cancer-type specific immunotherapy approach that leverages the Company’s proprietary Lm technology platform to target hotspot mutations and other tumor-associated antigens that commonly occur in specific cancer types.
Selecting prostate and bladder cancers as the second and third ADXS-HOT drug candidates to take into the clinic.
Granting of a license to OS Therapies for the use of ADXS31-164, also known as ADXS-HER2, for evaluation in the treatment of osteosarcoma, a rare and aggressive tumor that forms in the bone.
Pricing of its public offering of common stock and warrants. The planned underwritten public offering is expected to result in gross proceeds of approximately $20 million and close on or around September 11, 2018.
Management Commentary

"We are encouraged by the momentum achieved with both of our neoantigen-focused programs during our third fiscal quarter and continue on our path of achieving our goal of having five neoantigen-based product candidates in clinical evaluation by the end of 2019," said Kenneth A. Berlin, President and Chief Executive Officer of Advaxis. "We believe in the powerful impact neoantigens may have on the cancer treatment paradigm. Several of the unique attributes of our Lm platform including the capacity of our vector to contain a large number of neoantigens in each single drug construct, as well as the vector’s ability to generate strong T-cell responses to neoantigens as demonstrated in previously reported studies, provide us with an opportunity to lead in this potentially revolutionary field of cancer treatment.

"ADXS-NEO, partnered with Amgen, takes a personalized approach to therapy and has the potential to make an important contribution among underserved cancer patient populations with few or no treatment options," he added. "Similarly, the IND allowance by the FDA of our ADXS-HOT drug candidate for non-small cell lung cancer enables us to finalize our Phase 1 trial design and dose our first patient by the end of the year. The ADXS-HOT program, in general, is focused on shared hotspot mutations and other cancer antigens commonly found in cancers with large patient populations such as non-small cell lung cancer and prostate cancer."

"We are also excited about the licensing transaction executed with OS Therapies to evaluate our HER-2 therapy for the treatment of human osteosarcoma. This is a product candidate we believe in, although it falls outside our neoantigen focus. The transaction supports continued clinical development by a team of experts exclusively focused on finding new treatments for osteosarcoma and allows us to remain dedicated to our corporate strategy," he added.

Financial Results for Third Quarter Fiscal Year 2018

The net loss for the third quarter ended July 31, 2018 was $14.0 million or $0.27 per share. This compares with a net loss for the third quarter of fiscal year 2017 of $32.6 million or $0.80 per share. The $18.6 million reduction in the net loss compared to prior year was primarily a result of the significant reduction in spending in research, development and administrative areas.

Research and development expenses for the third quarter of fiscal year 2018 were $10.8 million, compared with $17.8 million for the third quarter of fiscal year 2017. The decrease is primarily attributable to a decrease in laboratory costs, drug manufacturing process validation and drug stability studies supporting the MAA, which we withdrew in July 2018.

General and administrative expenses for the third quarter of fiscal year 2018 were $4.5 million, compared with $18.0 million for the third quarter of fiscal year 2017. The decrease is primarily attributable to a decrease in stock-based compensation of approximately $11.4 million related to the resignation of the Company’s Chief Financial Officer and Chief Executive Officer in April 2018 and July 2017, respectively, two Board members who did not seek re-election in March 2018, a reduction in headcount and the elimination of stock-based compensation paid to consultants.

Balance Sheet Highlights

As of July 31, 2018, the Company had approximately $40.4 million in cash, restricted cash and cash equivalents on its balance sheet. The Company is anticipating closing on an underwritten public offering of its common stock and warrants on or around September 11, 2018 which is expected to result in gross proceeds of approximately $20 million to the Company.

On September 10, 2018 Glythera Limited (Glythera), the next-generation Antibody Drug Conjugate (ADC) development company, reported that it has changed its name to Iksuda Therapeutics (Iksuda) and unveiled a new corporate brand (Press release, Glythera, SEPT 10, 2018, View Source [SID1234529375]). The new identity signifies the Company’s transition from technology licensing to drug development, focusing on cancer therapeutics and the treatment of solid tumours. To coincide with the rebranding, Iksuda Therapeutics has launched a new website: www.iksuda.com.

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Iksuda’s primary focus will be on the development of superior ADCs for treatment of difficult-to-treat cancers, but the Company will continue to support its partners’ portfolios with its advanced conjugation platform, PermaLink, and novel toxin payloads.

Iksuda anticipates that it will nominate two ADCs for clinical progression in Q4 2018, with first indications expected to be ovarian and lung cancers. To support its pre-clinical and clinical activities, the Company has significantly expanded its team over the past 12 months, including the appointment of Dr Robert Lutz’s as CSO in January 2018.

Dr Dave Simpson, Chief Executive Officer, Iksuda, said: "The name Iksuda is derived from the Sumerian word for ‘all conquering’ and was chosen to reflect our ambition of overcoming the issue of ADC instability to create a new generation of stable, effective ADCs for treating the most severe cancers and improving patient lives."