Immuneering Provides Positive Update on Phase 2a Arm Studying IMM-1-104 in Combination with Modified FOLFIRINOX for First-Line Pancreatic Cancer

By: Immuneering Corporation via GlobeNewswire

January 13, 2025 at 08:00 AM EST

- Two new partial responses (PRs) reported in Phase 2a arm studying IMM-1-104 in combination with modified FOLFIRINOX (mFFX) in first-line pancreatic cancer -

- Overall Response Rate (ORR) of 50%; historic benchmark of 32% for FOLFIRINOX alone -

- Nearly $14M in net proceeds raised in January 2025 through utilization of Company’s ATM -

CAMBRIDGE, Mass., Jan. 13, 2025 (GLOBE NEWSWIRE) -- Immuneering Corporation (Nasdaq: IMRX), a clinical-stage oncology company seeking to develop and commercialize more effective and better tolerated therapies for cancer patients, today announced a positive update from its Phase 2a arm studying IMM-1-104 in combination with modified FOLFIRINOX (mFFX) in first-line pancreatic cancer, and provided a corporate update.

“We are thrilled to report two more responses in our Phase 2a arm studying IMM-1-104 in combination with modified FOLFIRINOX in first-line pancreatic cancer,” said Ben Zeskind, Ph.D., CEO of Immuneering. “The response rates emerging from both of our Phase 2a combination arms in first-line pancreatic cancer are comparable to one another, and speak not only to IMM-1-104’s potential to drive a new standard of care in pancreatic cancer, but also its potential as a first-of-its-kind, well-tolerated MEK inhibitor that could be safely used in a variety of combinations to drive better outcomes for patients across a range of indications.”

Zeskind continued: “Building on our positive January 7, 2025 data update, we strengthened our cash balance with nearly $14 million in net proceeds raised through our ATM facility. We began 2025 strong and intend to sustain that momentum throughout the year, including with a planned second quarter 2025 Phase 2a trial data update, the anticipated initiation of new combination trial arms, and planning for a pivotal trial of IMM-1-104 in combination with modified gemcitabine/nab-paclitaxel.”

Data Update from Phase 2a Arm Evaluating IMM-1-104 with Modified FOLFIRINOX in First Line Pancreatic Cancer as of January 6, 2025

Source: Immuneering Corporation

Since the Company’s prior update on January 7, 2025 (which used a data cutoff date of December 5, 2024), two new partial responses (PRs) have been reported.
As of January 6, 2025, there were six evaluable patients in the Phase 2a arm evaluating IMM-1-104 with modified FOLFIRINOX in first-line pancreatic cancer; three patients achieved partial responses (one unconfirmed) for an overall response rate of 50% (3/6). Four patients remain on treatment. The historic benchmark ORR is 32% for FOLFIRINOX alone.
The combination of IMM-1-104 plus modified FOLFIRINOX (mFFX) was observed to be generally well tolerated.
The Company is currently evaluating the 320 mg QD dose of IMM-1-104 in combination with modified FOLFIRINOX.

Additionally, Immuneering today announced that it raised net proceeds of $13.7 million through utilization of its ATM facility following its January 7, 2025 update from its ongoing Phase 2a clinical trial.

Near-Term Milestone Expectations

IMM-1-104

Further IMM-1-104 Phase 2a data expected in the second quarter of 2025
Initiation of Phase 2a arms of IMM-1-104 in combination with a BRAF inhibitor, as well as IMM-1-104 in combination with a checkpoint inhibitor, planned for 2025

About Immuneering Corporation

Immuneering is a clinical-stage oncology company seeking to develop and commercialize more effective and better tolerated therapies for cancer patients. The Company’s lead product candidate, IMM-1-104, is an oral, once-daily deep cyclic inhibitor of MEK designed to improve tolerability and expand indications to include RAS-driven tumors such as most pancreatic cancers. IMM-1-104 is currently in a Phase 1/2a trial in patients with advanced solid tumors including pancreatic cancer. IMM-6-415 is an oral, twice-daily deep cyclic inhibitor of MEK currently in a Phase 1/2a trial in patients with advanced solid tumors harboring RAS or RAF mutations. The company’s development pipeline also includes several early-stage programs. For more information, please visit www.immuneering.com.

Forward-Looking Statements

This press release contains forward-looking statements, including within the meaning of the Private Securities Litigation Reform Act of 1995. All statements contained in this press release that do not relate to matters of historical fact should be considered forward-looking statements, including, without limitation, statements regarding: Immuneering’s plans to develop, manufacture and commercialize its product candidates; the treatment potential of IMM-1-104, alone or in combination with other agents, including chemotherapy, checkpoint inhibitors and BRAF inhibitors; the plans and objectives of Company management for future operations, including with respect to the planning and execution of additional IMM-1-104 combination trials and potential pivotal trial of IMM-1-104 in combination with modified gemcitabine/nab-paclitaxel; and the timing for release of additional results from the Phase 2a portion of the trial for IMM-1-104.

These forward-looking statements are based on management’s current expectations. These statements are neither promises nor guarantees, but involve known and unknown risks, uncertainties and other important factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements, including, but not limited to, the following: the risks inherent in oncology drug research and development, including target discovery, target validation, lead compound identification, and lead compound optimization; we have incurred significant losses, are not currently profitable and may never become profitable; our projected cash runway; our need for additional funding and ability to continue as a going concern; our unproven approach to therapeutic intervention; our ability to address regulatory questions and the uncertainties relating to regulatory filings, reviews and approvals; the lengthy, expensive, and uncertain process of clinical drug development, including potential delays in or failure to obtain regulatory approvals; our reliance on third parties and collaborators to conduct our clinical trials, manufacture our product candidates, and develop and commercialize our product candidates, if approved; failure to compete successfully against other drug companies; protection of our proprietary technology and the confidentiality of our trade secrets; potential lawsuits for, or claims of, infringement of third-party intellectual property or challenges to the ownership of our intellectual property; our patents being found invalid or unenforceable; costs and resources of operating as a public company; and unfavorable or no analyst research or reports.

These and other important factors discussed under the caption “Risk Factors” in our Quarterly Report on Form 10-Q for the period ended September 30, 2024, and our other reports filed with the U.S. Securities and Exchange Commission, could cause actual results to differ materially from those indicated by the forward-looking statements made in this press release. Any such forward-looking statements represent management's estimates as of the date of this press release. While we may elect to update such forward-looking statements at some point in the future, except as required by law, we disclaim any obligation to do so, even if subsequent events cause our views to change. These forward-looking statements should not be relied upon as representing our views as of any date subsequent to the date of this press release.

Media Contact:
Gina Nugent
gina@nugentcommunications.com

Investor Contact:
Laurence Watts
619-916-7620
laurence@newstreetir.com

A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/fabe23d6-4839-489f-93d8-7d65f946f5ee

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Immuneering Provides Positive Update on Phase 2a Arm Studying IMM-1-104 in Combination with Modified FOLFIRINOX for First-Line Pancreatic Cancer

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