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SEC Comment Letter for SELLAS Life Sciences Group, Inc. (SLS) (CIK 0001390478) (SLS) — Mar 11, 2014

SELLAS Life Sciences Group, Inc. (SLS) (CIK 0001390478)
Date: March 11, 2014 · CIK: 0001390478 · Accession: 0000000000-14-012084

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File numbers found in text: 001-33958

Date
March 10, 2014
Author
/s/ Joel Parker for
Form
UPLOAD
Company
SELLAS Life Sciences Group, Inc. (SLS) (CIK 0001390478)

Letter

March 10, 2014 Via E-mail Dr. Mark J. Ahn, PhD President and C hief Executive Officer Galena Biopharma, Inc. 4640 SW Macadam Avenue, Suite 270 Portland, Oregon 97239

Re: Galena Biopharma, Inc. Form 10-K for Fiscal Year Ended December 31, 201 2 Filed March 12 , 2013 Form 10 -Q for the Quarterly Period Ended September 30, 2013 Filed November 6, 2013 and amended on November 7, 2013 File No. 001-33958

Dear Dr. Ahn:

We have reviewed your January 29, 2014 response to our January 14, 2014 letter and have the following comment.

Please respond to this letter within 10 business days by providing the requested information or by advising us when you will provide the reque sted response. If you do not believe the comment applies to your facts and circumstances, please tell us why in your response. Please furnish us a letter on EDGAR under the form type label CORRESP that keys your response to our comment.

After reviewing t he information provided, we may raise additional comments and/or request that you amend your filings.

Form 10 -Q for the Quarterly Period Ended September 30, 2013 Management’s Discussion and Analysis of Financial Condition and Results of Operations Developing Novel Cancer Immunotherapies, page 21

1. We note the following statement on page 22: “after establishing statistical significance in the prevention of recurrence in 24 - and 36 -month analyses, the 60 - month median follow -up from the Phase 1/2 trial de monstrated a 5.6% recurrence rate with NeuVax versus 25.9% recurrence rate in the control arm, a reduction of 78.4%.” We compare this statement to the following statement from an abstract entitled “Peptide Vaccine Strategies in the Treatment of Cancer,” c o-authored by

Dr. Mark J. Ahn Galena Biopharma, Inc. March 10 , 2014 Page 2

a number of individuals, including your principal investigator on NeuVax, which abstract appeared in J Proteomics Bioinform 6: 081 -084 (2013):

After a median follow -up of 60 months, there has been a persistent decrease in recurrences observe d in the vaccinated patients compared to the control patients (10.6% vs 20.3%, p=0.098).

While not entirely clear, there does appear to be some inconsisten cy between these two statements. Please provide us with a concise explanation that r econciles the two statements. In addition, please provide draft language for inclusion in future filings which explains in layman’s terms what you mean by “recurrence,” how the rate is determined, and how the recurrence rate impacts the determination of a vaccine’s efficacy.

Please contact Frank Wyman, Staff Accountant, at (202) 551 -3660 or Joel Parker, Accounting Branch Chief , at (202) 551 -3651 if you have any questions regarding th e comment. In this regard, do not hesitate to contact me at (202) 551-3679.

Sincerely,
/s/ Joel Parker for

Show Raw Text
March 10, 2014

Via E-mail
Dr. Mark J. Ahn, PhD
President  and C hief Executive Officer
Galena Biopharma, Inc.
4640 SW Macadam Avenue, Suite 270
Portland, Oregon  97239

Re: Galena Biopharma, Inc.
  Form 10-K for Fiscal Year Ended December 31, 201 2
  Filed March 12 , 2013
  Form 10 -Q for the Quarterly Period Ended September 30, 2013
Filed November 6, 2013  and amended on November 7, 2013
File No. 001-33958

Dear  Dr. Ahn:

We have reviewed your January 29, 2014  response to our January 14, 2014  letter
and have the following comment.

Please respond to this letter within 10 business days by providing the requested
information or by advising us when you will provide the reque sted response. If you do
not believe the comment applies to your facts and circumstances, please tell us why in
your response. Please furnish us a letter on EDGAR under the form type label CORRESP
that keys your response to our comment.

After reviewing t he information provided, we may raise additional comments
and/or request that you amend your filings.

Form 10 -Q for the Quarterly Period Ended September 30, 2013
Management’s Discussion and Analysis of Financial Condition and Results of Operations
Developing Novel Cancer Immunotherapies, page 21

1. We note the following statement on page 22:  “after establishing statistical
significance in the prevention of recurrence in 24 - and 36 -month analyses, the 60 -
month median follow -up from the Phase 1/2 trial de monstrated a 5.6% recurrence
rate with NeuVax versus 25.9% recurrence rate in the control arm, a reduction of
78.4%.”  We compare this statement to the following statement from an abstract
entitled “Peptide Vaccine Strategies in the Treatment of Cancer,” c o-authored by

Dr. Mark J. Ahn
Galena Biopharma, Inc.
March 10 , 2014
Page 2

 a number of individuals, including your principal investigator on NeuVax, which
abstract appeared in J Proteomics Bioinform 6: 081 -084 (2013):

After a median follow -up of 60 months, there has been a persistent decrease in
recurrences observe d in the vaccinated patients compared to the control patients (10.6%
vs 20.3%, p=0.098).

While not entirely clear, there does appear to be some inconsisten cy between
these two statements. Please provide us with a concise explanation that r econciles
the two statements. In addition, please provide draft language for inclusion in
future filings which explains in layman’s terms what you mean by “recurrence,”
how the rate is determined, and how the recurrence rate impacts the determination
of a vaccine’s efficacy.

Please contact Frank Wyman, Staff Accountant, at (202) 551 -3660  or Joel Parker,
Accounting Branch Chief , at (202) 551 -3651 if you have any questions regarding th e
comment. In this regard, do not hesitate to contact me at (202) 551-3679.

Sincerely,

/s/ Joel Parker for

Jim B. Rosenberg
Senior Assistant Chief
Accountant