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Galena Biopharma to Present Two Posters at the San Antonio Breast Cancer Symposium

  • VADIS: Phase 2 Trial of the Nelipepimut-S Peptide Vaccine in Women with DCIS of the Breast
  • GALE-301 and GALE-302 data in breast cancer patients

/EIN News/ -- SAN RAMON, Calif., Nov. 30, 2016 (GLOBE NEWSWIRE) -- Galena Biopharma, Inc. (NASDAQ:GALE), a biopharmaceutical company committed to the development and commercialization of hematology and oncology therapeutics that address unmet medical needs, today announced that two posters will be presented at the upcoming San Antonio Breast Cancer Symposium taking place December 6-10, 2016 in San Antonio, TX. 

A poster will be presented on the trial design for the planned, Phase 2 investigator-sponsored clinical trial with NeuVax™ (nelipepimut-S) in patients with Ductal Carcinoma in Situ (DCIS). The trial is being run in collaboration with the National Cancer Institute (NCI) and The University of Texas MD Anderson Cancer Center Phase I and II Chemoprevention Consortium. The trial was suspended in July 2016, but is now open for enrollment and is expected to initiate by the end of the year.  Details of the poster presentation are as follows:

Title:     VADIS trial: Phase 2 trial of the nelipepimut-S peptide vaccine in women with DCIS of the breast
Session Title:     Ongoing Clinical Trials: Ongoing Trials -- Immunotherapy
Date:     Friday, December 9, 2016
Time:     5:00 p.m. to 7:00 p.m. local time
Location:     Hall 1
Poster #:     1646
Abstract #:     OT3-01-04 – the abstract can be found on the conference website here

A poster will be presented on the breast cancer patients in the Company’s GALE-301 (E39) and GALE-302 (E39’) Phase 1b clinical trial targeting Folate Binding Protein.  Details of the poster presentation are as follows:

Title:     Determining the optimal vaccination strategy using a combination of the folate binding protein (FBP) peptide vaccine (E39+GM-CSF) and an attenuated version (E39') to maximize the immunologic response in breast cancer patients
Session Title:     Poster Session 6: Treatment: Immunotherapy (Clinical)
Date:     Saturday, December 10, 2016
Time:     7:30 a.m. to 9:00 a.m. local time
Location:     Hall 1
Abstract #:     P6-10-04 – the abstract can be found on the conference website here

About NeuVax™ (nelipepimut-S)

NeuVax™ (nelipepimut-S) is a first-in-class, HER2-directed cancer immunotherapy under evaluation to prevent breast cancer recurrence after standard of care treatment in the adjuvant setting.  It is the immunodominant peptide derived from the extracellular domain of the HER2 protein, a well-established target for therapeutic intervention in breast carcinoma. The nelipepimut-S sequence stimulates specific CD8+ cytotoxic T lymphocytes (CTLs) following binding to specific HLA molecules on antigen presenting cells (APC). These activated specific CTLs recognize, neutralize and destroy, through cell lysis, HER2 expressing cancer cells, including occult cancer cells and micrometastatic foci. The nelipepimut-S immune response can also generate CTLs to other immunogenic peptides through inter- and intra-antigenic epitope spreading.   In clinical studies, NeuVax is combined with recombinant granulocyte macrophage-colony stimulating factor (GM-CSF).

NeuVax is currently in two breast cancer studies in combination with trastuzumab (Herceptin®; Genentech/Roche): a Phase 2b trial in node positive and triple negative HER2 IHC 1+/2+ (clinicaltrials.gov identifier: NCT01570036); and, a Phase 2 trial in high risk, node positive or negative HER2 IHC 3+ patients (clinicaltrials.gov identifier: NCT02297698).  Phase 2 clinical trials with NeuVax are also planned in patients with ductal carcinoma in situ (DCIS), and in patients with gastric cancer.

About Ductal Carcinoma in Situ

Ductal Carcinoma in Situ (DUK-tul KAR-sih-NOH-muh in SY-too), or DCIS, is defined by the NCI as a noninvasive condition in which abnormal cells are found in the lining of a breast duct, and is the most common type of breast cancer.  The abnormal cells have not spread outside the duct to other tissues in the breast.  In some cases, DCIS may become invasive cancer and spread to other tissues; currently there is no way to know which lesions could become invasive.  Current treatment options for DCIS include breast-conserving surgery and radiation therapy with or without tamoxifen, breast-conserving surgery without radiation therapy, or total mastectomy with or without tamoxifen.  According to the American Cancer Society, in 2015 there were over 60,000 diagnoses of ductal carcinoma in situ.

About GALE-301 and GALE-302

GALE-301 and GALE-302 are cancer immunotherapies that consist of a peptide derived from Folate Binding Protein (FBP) combined with the immune adjuvant, granulocyte macrophage-colony stimulating factor (GM-CSF) for the prevention of cancer recurrence in the adjuvant setting.  GALE-301 is the E39 peptide, while GALE-302 is an attenuated version of this peptide, known as E39’.  FBP is a well-validated therapeutic target that is highly over-expressed in ovarian, endometrial and breast cancers, and is the source of immunogenic peptides that can stimulate cytotoxic T lymphocytes (CTLs) to recognize and destroy FBP-expressing cancer cells. Two trials are ongoing with FBP peptides: the GALE-301 Phase 2a portion of the Phase 1/2a clinical trial is ongoing in ovarian and endometrial adenocarcinomas (ClinicalTrials.gov Identifier: NCT01580696); the GALE-301 plus GALE-302 Phase 1b clinical trial is ongoing in breast and ovarian cancers (ClinicalTrials.gov Identifier: NCT02019524).

About Breast Cancer1

New cases of breast cancer occur at an annual rate of 125 per 100,000 women in the U.S., with an estimated 246,660 new cases and 40,450 deaths in 2016. Approximately 89.7% of breast cancer patients are expected to survive five years after diagnosis. Approximately 12.4% of women will be diagnosed with breast cancer at some point during their lifetime (2011 – 2013 data).  The prevalence data from 2013 showed an estimated 3,053,450 women living with breast cancer in the United States.

1National Cancer Institute Surveillance, Epidemiology, and End Results Program

About Galena Biopharma

Galena Biopharma, Inc. is a biopharmaceutical company committed to the development and commercialization of hematology and oncology therapeutics that address unmet medical needs. Galena’s pipeline consists of multiple mid-to-late-stage clinical assets led by its hematology asset, GALE-401, and novel cancer immunotherapy programs including NeuVax™ (nelipepimut-S) and GALE-301/GALE-302. For more information, visit www.galenabiopharma.com.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995.  Such statements include, but are not limited to, statements about the progress of the development of Galena’s product candidates, patient enrollment in our clinical trials, as well as other statements related to the progress and timing of our development activities, present or future licensing, collaborative or financing arrangements, expected outcomes with regulatory agencies, and projected market opportunities for product candidates or that otherwise relate to future periods. These forward-looking statements are subject to a number of risks, uncertainties and assumptions, including those identified under “Risk Factors” in Galena’s Annual Report on Form 10-K for the year ended December 31, 2015 and most recent Quarterly Reports on Form 10-Q filed with the SEC. Actual results may differ materially from those contemplated by these forward-looking statements. Galena does not undertake to update any of these forward-looking statements to reflect a change in its views or events or circumstances that occur after the date of this press release.

NeuVax is a trademark of Galena Biopharma, Inc.

Source: Galena Biopharma, Inc.

Contact:

Remy Bernarda 
SVP, Investor Relations & Corporate Communications
(925) 498-7709
ir@galenabiopharma.com

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