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Affimed Provides Follow-up Data of AFM24 plus Atezolizumab Showing Durable Responses in Heavily Pretreated NSCLC EGFR Wild-type Patients and Positive Initial Data from the NSCLC EGFR Mutant Cohort

Affimed N.V.
Affimed N.V.
  • In 17 EGFR wild-type (EGFRwt) non-small cell lung cancer (NSCLC) patients who failed chemotherapy and PD-1/PD-L1, AFM24 plus atezolizumab achieved 4 objective responses; 3 of 4 responses were ongoing for more than 7 months and progression free survival (PFS) was 5.9 months

  • Objective responses were also seen in 4 of 13 response-evaluable EGFR mutant (EGFRmut) NSCLC patients confirming the activity of AFM24 and atezolizumab in heavily pretreated NSCLC patients

  • In both NSCLC cohorts, the combination therapy shows a manageable safety profile

  • Company to host a conference call / webcast today at 6:00 p.m. CDT / 7:00 p.m. EDT to discuss the updated data from the AFM24-102 trial

MANNHEIM, Germany, June 01, 2024 (GLOBE NEWSWIRE) -- Affimed N.V. (Nasdaq: AFMD), a clinical-stage immuno-oncology company committed to giving patients back their innate ability to fight cancer, today announced longer follow-up data from the EGFRwt cohort and initial clinical efficacy data from the EGFRmut cohort from the on-going AFM24-102 study in NSCLC.

As of the updated data cutoff on May 13, 2024 for the 17 EGFRwt patients previously reported on, 15 patients were response-evaluable. Four confirmed objective responses were seen: 1 complete response (CR) and 3 partial responses (PR). In addition, 8 patients achieved stable disease (SD), resulting in a disease control rate of 71%. Median progression-free survival was 5.9 months with median follow-up of 7.4 months. Importantly 3 of 4 responses were ongoing for more than 7 months. All responders were resistant to checkpoint inhibitor treatment prior to the study, which supports the hypothesis that combining AFM24 with atezolizumab may provide an alternative strategy to overcome resistance to existing therapies.

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As of May 21, 2024, 21 heavily pretreated EGFRmut patients (median of 3 prior therapies) had received the combination therapy of which 13 were response-evaluable. The combination of AFM24 with atezolizumab showed encouraging signals of clinical activity including 1 CR, 3 PRs and 6 patients with SD. As of the data cut-off, all responses were on-going. EGFRmut NSCLC is considered an immunogenically weak subtype where single-agent therapy with immune checkpoint inhibitors have exhibited poor response rates. The data suggests that the combination of AFM24 and atezolizumab could be acting synergistically to improve efficacy outcomes.

AFM24 and atezolizumab combination therapy demonstrated a manageable safety profile. Side effects were consistent with the known safety profiles of these agents. The most frequent side effects observed were mild to moderate infusion related reactions and transient mild to moderate increase in liver enzymes.

“The efficacy of the combination of AFM24 and atezolizumab in these heavily pretreated NSCLC patients is encouraging and supports our hypothesis of a synergistic activity of AFM24 with PD-1/PD-L1 blockade. We believe the durability of the responses in EGFRwt tumors is remarkable and is unlikely driven by PD-1/PD-L1 blockade alone, as all patients with responses had documented progression on their previous PD-1/PD-L1 therapy. In addition, median PFS of atezolizumab, even in checkpoint naïve patients, is only 2.8 months,” said Dr. Andreas Harstrick, Chief Medical and acting Chief Executive Officer of Affimed. “This growing body of evidence reinforces our belief that AFM24 in combination with check point targeting can address pressing unmet medical needs in refractory NSCLC patients.”

The EGFRwt NSCLC cohort of the study will enroll up to 40 patients and the EGFRmut NSCLC cohort will enroll up to 25 patients. Recruitment in both cohorts is ongoing, and further updates are expected in H2 2024.

Conference Call and Webcast Information

Affimed will host a conference call and webcast for the financial community on June 1, 2024, at 6:00 p.m. CDT / 7:00 p.m. EDT. Dr. Harstrick and Dr. Hye Ryun Kim, Professor at Yonsei University College of Medicine, Seoul, Korea, will review the latest clinical findings and address questions.

The conference call will be available via phone and webcast. The live audio webcast of the call will be available in the “Webcasts” section on the “Investors” page of the Affimed website at https://www.affimed.com/investors/webcasts-and-corporate-presentation/. To access the call by phone, please use link:

https://register.vevent.com/register/BIff607338e5d247f99b548240be2ad413, and you will be provided with dial-in details and a pin number.

About AFM24 
AFM24 is a tetravalent, bispecific ICE® that activates the innate immune system by binding to CD16A on innate immune cells and epidermal growth factor receptors (EGFR), a protein widely expressed on solid tumors, to kill cancer cells. Generated by Affimed’s fit-for-purpose ROCK® platform, AFM24 represents a distinctive mechanism of action that uses EGFR as a docking site to engage innate immune cells for tumor cell killing through antibody-dependent cellular cytotoxicity and antibody-dependent cellular phagocytosis.

About Affimed N.V.

Affimed (Nasdaq: AFMD) is a clinical-stage immuno-oncology company committed to giving patients back their innate ability to fight cancer by actualizing the untapped potential of the innate immune system. The Company’s innate cell engagers (ICE®) enable a tumor-targeted approach to recognize and kill a range of hematologic and solid tumors. ICE® are generated on the Company’s proprietary ROCK® platform which predictably generates customized molecules that leverage the power of innate immune cells to destroy tumor cells. A number of ICE® molecules are in clinical development, being studied as mono- or combination therapy. Headquartered in Mannheim, Germany, Affimed is led by an experienced team of biotechnology and pharmaceutical leaders united by the bold vision to stop cancer from ever derailing patients’ lives. For more about the Company’s people, pipeline and partners, please visit: www.affimed.com.

Forward-Looking Statement

This press release contains forward-looking statements. All statements other than statements of historical fact are forward-looking statements, which are often indicated by terms such as “anticipate,” “believe,” “could,” “estimate,” “expect,” “goal,” “intend,” “look forward to,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “will,” “would” and similar expressions. Forward-looking statements appear in a number of places throughout this release and include statements regarding the Company’s intentions, beliefs, projections, outlook, analyses and current expectations concerning, among other things, the potential of acimtamig (AFM13), AFM24, AFM28 and the Company’s other product candidates, the value of its ROCK® platform, its ongoing and planned preclinical development and clinical trials, its corporate restructuring, the associated headcount reduction and the impact this may have on Company’s anticipated savings and total costs and expenses, its collaborations and development of its products in combination with other therapies, the timing of and its ability to make regulatory filings and obtain and maintain regulatory approvals for its product candidates, its intellectual property position, its collaboration activities, its ability to develop commercial functions, clinical trial data, its results of operations, cash needs, financial condition, liquidity, prospects, future transactions, growth and strategies, the industry in which it operates, the macroeconomic trends that may affect the industry or the Company, such as the instability in the banking sector experienced in the first quarter of 2023, impacts of the COVID-19 pandemic, the benefits to Affimed of orphan drug designation, the impact on its business by political events, war, terrorism, business interruptions and other geopolitical events and uncertainties, such as the Russia-Ukraine conflict, the fact that the current clinical data of acimtamig in combination with NK cell therapy is based on acimtamig precomplexed with fresh allogeneic cord blood-derived NK cells from The University of Texas MD Anderson Cancer Center, as opposed to Artiva’s AlloNK® NK cells and other uncertainties and factors described under the heading “Risk Factors” in Affimed’s filings with the SEC. Given these risks, uncertainties, and other factors, you should not place undue reliance on these forward-looking statements, and the Company assumes no obligation to update these forward-looking statements, even if new information becomes available in the future.

Investor Relations Contact

Alexander Fudukidis
Director, Investor Relations
E-Mail: a.fudukidis@affimed.com
Tel.: +1 (917) 436-8102

Media Contact

Mary Beth Sandin
Vice President, Marketing and Communications
E-Mail: m.sandin@affimed.com