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May 14, 2025: MaaT Pharma To Present Updated Data for MaaT013 in Early Access Program at the European Hematology Association (EHA) Annual Congress

On May 14, 2025 MaaT Pharma (EURONEXT: MAAT – the "Company"), a clinical-stage biotechnology company and a leader in the development of Microbiome Ecosystem TherapiesTM (MET) dedicated to enhancing survival for patients with cancer through immune modulation, reported that updated data from its Early Access Program for 173 patients with aGvHD treated with MaaT013 have been selected for oral presentation at the European Hematology Association (EHA) (Free EHA Whitepaper) Annual congress, taking place in Milan from June 12–15, 2025 (Press release, MaaT Pharma, MAY 14, 2025, View Source [SID1234653066]). The oral presentation of MaaT013 data at EHA (Free EHA Whitepaper)—Europe’s leading hematology conference—underlines the growing recognition of the drug’s clinical potential and the Company’s leadership in hemato-oncology using microbiome-based approach.

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These updated EAP results for 173 patients, to be presented at EHA (Free EHA Whitepaper) Congress, are consistent with the positive topline results of the Phase 3 trial announced in January 2025 and further confirm MaaT013’s high efficacy and favorable safety profile in treating patients with gastrointestinal aGvHD. There are currently no approved options for patients with GI-aGvHD who are refractory to steroids and either refractory or intolerant to ruxolitinib, despite the poor prognosis with one-year survival rates of 15% (Abedin et al., 2021).

MaaT Pharma has observed a 75% increase in physician demand with MaaT013 under the ongoing EAP in 2024 compared to 2023, across Europe and, more recently, in the United States. This steady demand for access to MaaT013 reflects its growing adoption by the medical community as a treatment option for patients with GI-aGvHD. To date, the Company has safely treated more than 300 patients with aGvHD across clinical trials and the Company’s EAP ongoing in both Europe and the U.S.

With upcoming regulatory milestones in Europe including a Marketing Authorization submission expected in June 2025, growing global physician interest, and continued clinical validation, MaaT013 has the potential to become the first approved third-line treatment for GI-aGvHD, significantly improving survival outcomes for approximately 3,000 third-line patients annually across the U.S., Canada, and Europe.

Details of the Oral Presentation:

Title: Pooled Fecal Allogeneic Microbiotherapy for Refractory Gastrointestinal Acute Graft-Versus-Host Disease: Results from the Early Access Program in Europe
Abstract number: S260
Presenting Author: Mohamad Mohty, Professor of Hematology and Head of the Hematology and Cellular Therapy Department at Saint-Antoine Hospital and Sorbonne University
Session title: s424 Stem cell transplantation – Session 2
Date & Time: 13/06/2025 (17:00 – 18:15 CEST) – Brown Hall 3
MaaT Pharma will also present its ongoing Phase 2b trial (PHOEBUS) design for MaaT033 developed as an adjunctive therapy to enhance overall survival in allo-HSCT. This international, multi-center trial (NCT05762211) is the largest randomized controlled study to date of a microbiome-based therapy in oncology, enrolling up to 387 patients across 60 sites. To date, the independent Data Safety Monitoring Board (DSMB) has conducted two safety reviews and one unblinded interim analysis, all of which concluded positively with the recommendation that the PHOEBUS trial proceed as planned.

Lineage to Present at 3rd Annual H.C. Wainwright BioConnect Investor Conference at Nasdaq NYC

On May 14, 2025 Lineage Cell Therapeutics, Inc. (NYSE American and TASE: LCTX), a clinical-stage biotechnology company developing allogeneic cell therapies for unmet medical needs, reported that Brian M. Culley, Lineage’s Chief Executive Officer, will be presenting at the 3rd Annual H.C. Wainwright BioConnect Investor Conference, in a fireside chat hosted by Joseph Pantginis, Ph.D., Managing Director, Equity Research, on Tuesday, May 20, 2025, at 2:30pm ET (Press release, Lineage Cell Therapeutics, MAY 14, 2025, View Source [SID1234653065]). The 3rd Annual H.C. Wainwright BioConnect Investor Conference takes place on Tuesday, May 20, 2025, at the Nasdaq stock exchange headquarters in New York, NY.

Investors interested in scheduling an in-person meeting with the Lineage management team should contact their H.C. Wainwright representative or email [email protected]. A replay of Lineage’s fireside chat will be available on the Events and Presentations section of Lineage’s website, following the conclusion of the conference.

Kura Oncology and Kyowa Kirin Announce Combination Data for Ziftomenib in Oral Presentation at the 2025 European Hematology Association (EHA) Congress

On May 14, 2025 Kura Oncology, Inc. (Nasdaq: KURA, "Kura") and Kyowa Kirin Co., Ltd. (TSE: 4151, "Kyowa Kirin") reported that an abstract highlighting clinical data from the KOMET-007 combination trial of ziftomenib, a once-daily, oral investigational menin inhibitor, has been accepted for presentation at the upcoming 2025 European Hematology Association (EHA) (Free EHA Whitepaper) Congress, to be held in Milan, Italy, from June 12-15, 2025 (Press release, Kura Oncology, MAY 14, 2025, View Source [SID1234653064]).

KOMET-007 is a multicenter Phase 1 trial of ziftomenib in combination with standards of care, including cytarabine plus daunorubicin (7+3) and venetoclax/azacitidine (ven/aza), in patients with NPM1-mutant (NPM1-m) and KMT2A-rearranged (KMT2A-r) acute myeloid leukemia (AML). The data presented at EHA (Free EHA Whitepaper) will be from the Phase 1a dose-escalation and Phase 1b dose-expansion portions of the trial, in the cohort evaluating ziftomenib in combination with 7+3 in newly diagnosed patients with AML.

"The latest findings from the KOMET-007 trial underscore the potential of the combination of ziftomenib with intensive chemotherapy for newly diagnosed patients, strengthening our confidence in its role as a potential treatment option for a broad segment of the AML community," said Mollie Leoni, M.D., Chief Medical Officer of Kura Oncology. "The Phase 1a/b KOMET-007 trial positions us to further evaluate this combination, and its potential to expand treatment options for AML patients, in the upcoming pivotal Phase 3 KOMET-017 trial."

In addition to the oral presentation, two abstracts for the KOMET-001 and KOMET-017 trials have been accepted for an encore presentation and publication, respectively. Session titles and information for all three abstracts are listed below and are now available on the EHA (Free EHA Whitepaper)web.org website. Updated data from the published abstract for KOMET-007 will be disclosed during the oral presentation.

Ziftomenib Combined with Intensive Induction (7+3) in Newly Diagnosed NPM1-m or KMT2A-r Acute Myeloid Leukemia (AML): Updated Phase 1a/b Results from KOMET-007
Session: s411. Menin inhibitors and venetoclax-based regimens in AML treatment
Date and Session Time: Thursday, June 12, 2025; 5:00PM – 6:15PM CEST
Location: Allianz MiCo, Milano Convention Centre, Auditorium
Publication Number: S136

Ziftomenib in Relapsed/Refractory NPM1-Mutant Acute Myeloid Leukemia: Phase 1b/2 Clinical Activity and Safety Results from the Pivotal KOMET-001 Study Session: Poster Session 1
Date and Time: Friday, June 13, 2025; 6:30 PM – 7:30 PM CEST
Location: Allianz MiCo, Milano Convention Centre, Poster Hall
Publication Number: PF473

Registrational Phase 3 Study of Ziftomenib in Combination with Non-Intensive or Intensive Chemotherapy for Newly Diagnosed NPM1-m and/or KMT2A-r Acute Myeloid Leukemia (AML): The KOMET-017 Trial
Online Publication Only
Publication Number: PB2573

Copies of the presentations will be available on Kura’s website at www.kuraoncology.com/pipeline/publications/ following presentation at the meeting.

Karyopharm Announces Poster Presentation on Selinexor in Myelofibrosis at the 2025 European Hematology Association Annual Meeting

On May 14, 2025 Karyopharm Therapeutics Inc. (Nasdaq: KPTI), a commercial-stage pharmaceutical company pioneering novel cancer therapies, reported its abstract has been selected for a poster presentation at the 2025 European Hematology Association (EHA) (Free EHA Whitepaper) Annual Meeting (EHA) (Free EHA Whitepaper) being held June 12-15 in Milan, Italy (Press release, Karyopharm, MAY 14, 2025, View Source [SID1234653063]). The abstract contains data on selinexor monotherapy in a hard-to-treat, heavily pretreated myelofibrosis patient population from the Phase 2 XPORT-MF-035 trial.

"We are encouraged by our new data in hard-to-treat myelofibrosis patients where we observed spleen volume reduction, symptom improvement, hemoglobin stabilization and evidence of disease modification with selinexor monotherapy, addressing all four hallmarks of the disease," said Reshma Rangwala, MD, PhD, Chief Medical Officer of Karyopharm. "This new data adds to our growing body of evidence highlighting selinexor’s potential in patients with myelofibrosis."

The accepted abstract and data highlights are below.

Abstract number: PS1821
Title: A study to evaluate single-agent selinexor versus physician’s choice in participants with previously treated myelofibrosis
Date/Time: Saturday, June 14, 18:30-19:30 CEST
Presenter: Alessandro Lucchesi, MD
Highlights

Data from the XPORT-MF-035 (NCT04562870) Phase 2, randomized, open-label trial of selinexor versus physician’s-choice (PC) in hard-to-treat patients with heavily pretreated myelofibrosis indicated signs of single-agent clinical activity with selinexor, including spleen volume reduction, hemoglobin stabilization, symptom improvement and evidence of disease modification.
Patients were randomized 1:1 to either selinexor monotherapy or PC. Selinexor was administered at 80 mg weekly for the first two cycles and then decreased to 60 mg weekly from cycle 3 onwards. An optional crossover was available for PC treated patients if they met predefined spleen progression criteria.
In total, 12 patients were randomized to the selinexor arm and 12 patients to the PC arm; 6 patients crossed over from PC to selinexor. Inclusive of crossover, spleen volume reduction of 25% or more (SVR25) at anytime was achieved in 8/12 (67%) efficacy evaluable selinexor treated patients versus 3/8 (38%) efficacy evaluable patients treated with PC. Spleen volume reduction of 35% or more (SVR35) at anytime was observed in 4/12 (33%) efficacy evaluable patients treated with selinexor versus 1/8 (13%) efficacy evaluable patients treated with PC.
Patients treated with selinexor had higher mean hemoglobin levels throughout the study duration and lower rates of red blood cell transfusions than those treated with PC.
Data on key cytokines that are relevant to myelofibrosis pathogenesis, symptom development, and anemia including IL-6, IL-8, TNFa, and hepcidin, demonstrated greater reductions at week 4 compared to baseline in patients treated with selinexor than patients treated with PC.
Most common (≥25% overall) treatment emergent adverse events (TEAEs) in the randomized arms were decreased weight (selinexor: 50%; PC: 50%), anemia (25%; 58%), asthenia (42%; 25%), nausea (33%; 25%), thrombocytopenia (33%; 25%) and upper respiratory tract infection (25%; 33%). Most common (≥15% in any arm) Grade 3+ TEAEs were anemia (17%; 58%), cardiac failure (0%; 17%), decreased appetite (17%; 0%) and nausea (17%; 0%). No treatment discontinuations due to TEAEs were observed in the selinexor arm.
About XPOVIO (selinexor)

XPOVIO is a first-in-class, oral exportin 1 (XPO1) inhibitor and the first of Karyopharm’s Selective Inhibitor of Nuclear Export (SINE) compounds for the treatment of cancer. XPOVIO functions by selectively binding to and inhibiting the nuclear export protein XPO1. XPOVIO is approved in the U.S. and marketed by Karyopharm in multiple oncology indications, including: (i) in combination with VELCADE (bortezomib) and dexamethasone (XVd) in adult patients with multiple myeloma after at least one prior therapy; (ii) in combination with dexamethasone in adult patients with heavily pre-treated multiple myeloma; and (iii) under accelerated approval in adult patients with diffuse large B-cell lymphoma (DLBCL), including DLBCL arising from follicular lymphoma, after at least two lines of systemic therapy. XPOVIO (also known as NEXPOVIO in certain countries) has received regulatory approvals in various indications in a growing number of ex-U.S. territories and countries, including but not limited to the European Union, the United Kingdom, Mainland China, Taiwan, Hong Kong, Australia, South Korea, Singapore, Israel, and Canada. XPOVIO/NEXPOVIO is marketed in these respective ex-U.S. territories by Karyopharm’s partners: Antengene, Menarini, Neopharm, and FORUS. Selinexor is also being investigated in several other mid- and late-stage clinical trials across multiple high unmet need cancer indications, including in endometrial cancer and myelofibrosis.

For more information about Karyopharm’s products or clinical trials, please contact the Medical Information department at: Tel: +1 (888) 209-9326; Email: [email protected]

XPOVIO (selinexor) is a prescription medicine approved:

In combination with bortezomib and dexamethasone for the treatment of adult patients with multiple myeloma who have received at least one prior therapy (XVd).
In combination with dexamethasone for the treatment of adult patients with relapsed or refractory multiple myeloma who have received at least four prior therapies and whose disease is refractory to at least two proteasome inhibitors, at least two immunomodulatory agents, and an anti‐CD38 monoclonal antibody (Xd).
For the treatment of adult patients with relapsed or refractory diffuse large B‐cell lymphoma (DLBCL), not otherwise specified, including DLBCL arising from follicular lymphoma, after at least two lines of systemic therapy. This indication is approved under accelerated approval based on response rate. Continued approval for this indication may be contingent upon verification and description of clinical benefit in confirmatory trial(s).
SELECT IMPORTANT SAFETY INFORMATION

Warnings and Precautions

Thrombocytopenia: Monitor platelet counts throughout treatment. Manage with dose interruption and/or reduction and supportive care.
Neutropenia: Monitor neutrophil counts throughout treatment. Manage with dose interruption and/or reduction and granulocyte colony‐stimulating factors.
Gastrointestinal Toxicity: Nausea, vomiting, diarrhea, anorexia, and weight loss may occur. Provide antiemetic prophylaxis. Manage with dose interruption and/or reduction, antiemetics, and supportive care.
Hyponatremia: Monitor serum sodium levels throughout treatment. Correct for concurrent hyperglycemia and high serum paraprotein levels. Manage with dose interruption, reduction, or discontinuation, and supportive care.
Serious Infection: Monitor for infection and treat promptly.
Neurological Toxicity: Advise patients to refrain from driving and engaging in hazardous occupations or activities until neurological toxicity resolves. Optimize hydration status and concomitant medications to avoid dizziness or mental status changes.
Embryo‐Fetal Toxicity: Can cause fetal harm. Advise females of reproductive potential and males with a female partner of reproductive potential, of the potential risk to a fetus and use of effective contraception.
Cataract: Cataracts may develop or progress. Treatment of cataracts usually requires surgical removal of the cataract.
Adverse Reactions

The most common adverse reactions (≥20%) in patients with multiple myeloma who receive XVd are fatigue, nausea, decreased appetite, diarrhea, peripheral neuropathy, upper respiratory tract infection, decreased weight, cataract and vomiting. Grade 3‐4 laboratory abnormalities (≥10%) are thrombocytopenia, lymphopenia, hypophosphatemia, anemia, hyponatremia and neutropenia. In the BOSTON trial, fatal adverse reactions occurred in 6% of patients within 30 days of last treatment. Serious adverse reactions occurred in 52% of patients. Treatment discontinuation rate due to adverse reactions was 19%.
The most common adverse reactions (≥20%) in patients with multiple myeloma who receive Xd are thrombocytopenia, fatigue, nausea, anemia, decreased appetite, decreased weight, diarrhea, vomiting, hyponatremia, neutropenia, leukopenia, constipation, dyspnea and upper respiratory tract infection. In the STORM trial, fatal adverse reactions occurred in 9% of patients. Serious adverse reactions occurred in 58% of patients. Treatment discontinuation rate due to adverse reactions was 27%.
The most common adverse reactions (incidence ≥20%) in patients with DLBCL, excluding laboratory abnormalities, are fatigue, nausea, diarrhea, appetite decrease, weight decrease, constipation, vomiting, and pyrexia. Grade 3‐4 laboratory abnormalities (≥15%) are thrombocytopenia, lymphopenia, neutropenia, anemia, and hyponatremia. In the SADAL trial, fatal adverse reactions occurred in 3.7% of patients within 30 days, and 5% of patients within 60 days of last treatment; the most frequent fatal adverse reactions was infection (4.5% of patients). Serious adverse reactions occurred in 46% of patients; the most frequent serious adverse reaction was infection (21% of patients). Discontinuation due to adverse reactions occurred in 17% of patients.
Use In Specific Populations

Lactation: Advise not to breastfeed.

For additional product information, including full prescribing information, please visit www.XPOVIO.com.

To report SUSPECTED ADVERSE REACTIONS, contact Karyopharm Therapeutics Inc. at 1‐888‐209‐9326 or FDA at 1‐800‐FDA‐1088 or www.fda.gov/medwatch.

IO Biotech Reports First Quarter 2025 Financial Results and Business Highlights

On May 14, 2025 IO Biotech (Nasdaq: IOBT), a clinical-stage biopharmaceutical company developing novel, immune-modulatory, off-the-shelf therapeutic cancer vaccines, reported financial results and business highlights for the first quarter of 2025 (Press release, IO Biotech, MAY 14, 2025, View Source [SID1234653062]). The company continues to advance its pipeline, presenting new data further defining the mechanism of action for its T-Win therapeutic cancer vaccines, and reaffirming its expectation that the Phase 3 pivotal trial will readout in the third quarter of 2025.

"IO Biotech continues to make meaningful progress developing novel cancer therapies that are designed to address significant unmet needs in melanoma and other hard-to-treat cancers, and we are thrilled to be recognized for our work by Fast Company as one of the most innovative companies in the world," said Mai-Britt Zocca, PhD, President and CEO of IO Biotech. "This year, we remain focused on delivering our Phase 3 data, preparing a Biologics License Application (BLA) and planning for commercialization of Cylembio (imsapepimut and etimupepimut, adjuvanted), our potentially first-in-class, immune-modulatory, off-the-shelf therapeutic cancer vaccine."

Dr. Zocca continued, "Additionally, we continue to explore potential collaborations to expand the global impact of our product candidates and our platform across multiple cancer types."

Recent Business Highlights

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The company’s pivotal Phase 3 trial (IOB-013/KN-D18) is progressing as planned with the readout of the primary endpoint of progression free survival (PFS) still expected in the third quarter of 2025. The trial is evaluating the company’s lead investigational vaccine, Cylembio (imsapepimut and etimupepimut, adjuvanted), in combination with Merck’s (known as MSD outside of the United States and Canada) anti-PD-1 therapy KEYTRUDA (pembrolizumab) for the treatment of advanced melanoma. The company continues to plan to submit a BLA to the U.S. Food & Drug Administration (FDA) in 2025 for Cylembio and, subject to FDA approval, launch a potentially first-in-class therapeutic cancer vaccine for patients with advanced melanoma in the US in 2026.

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The company completed enrollment in its perioperative Phase 2 solid tumor basket trial (IOB-032/PN-E40), studying treatment with Cylembio in combination with pembrolizumab in patients with resectable squamous cell carcinoma of the head and neck (SCCHN) and melanoma in January. The company expects initial data from the perioperative trial as well as longer-term data from the company’s other ongoing Phase 2 basket trial, IOB-022/KN-D38, in patients with advanced SCCHN or non-small cell lung cancer (NSCLC) in the second half of 2025.

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On May 6, 2025, the company announced that it drew tranche A (€10.0 million) from the loan facility it entered into with the European Investment Bank (EIB) in December 2024. The company also believes that it has satisfied the conditions for the second tranche (€12.5 million) of the EIB loan facility.

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IO Biotech was named to Fast Company’s World’s Most Innovative Companies of 2025 list for its potentially game-changing approach to immune-modulatory cancer vaccines, earning its place on the coveted list as the 9th most innovative company in the world in the biotechnology category.

Upcoming Investor Conferences

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TD Cowen’s 6th Annual Oncology Innovation Summit: Insights for ASCO (Free ASCO Whitepaper) & EHA (Free EHA Whitepaper): Mai-Britt Zocca, PhD, President and CEO, Amy Sullivan, CFO, and Qasim Ahmad, MD, CMO, will participate in a fireside chat beginning at 10:30 AM ET on May 27, 2025.

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Jefferies Global Healthcare Conference: Mai-Britt Zocca, PhD, President and CEO, will give a presentation beginning at 7:35 AM ET on June 4, 2025.

The webcasts for these two upcoming conferences will be available from the Investors section of the company’s website at View Source

First Quarter 2025 Financial Results

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Net loss for the three months ended March 31, 2025, was $22.4 million, compared to $19.5 million for the three months ended March 31, 2024.

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Research and development expenses were $16.4 million for the three months ended March 31, 2025, compared to $14.3 million for the three months ended March 31, 2024. The company recognized $0.6 million in research and development equity-based compensation for the three months ended March 31, 2025 and 2024, respectively.

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General and administrative expenses were $6.2 million for the three months ended March 31, 2025, compared to $5.9 million for the three months ended March 31, 2024. The company recognized $1.0 million in general and administrative equity-based compensation for the three months ended March 31, 2025 and 2024, respectively.

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Cash and cash equivalents as of March 31, 2025 were $37.1 million, compared to $60.0 million at December 31, 2024. During the three months ended March 31, 2025, the company used cash, cash equivalents and restricted cash of $22.9 million. On May 6, 2025, the company drew tranche A of the EIB loan facility of €10.0 million before payment of certain fees and transaction related expenses. The company continues to expect that it will have sufficient cash to run the company into the second quarter of 2026, assuming draw down of the first three committed tranches of the EIB loan facility.

About Cylembio

Cylembio (imsapepimut and etimupepimut, adjuvanted) is an investigational, immune-modulatory, off-the-shelf therapeutic cancer vaccine candidate designed to kill both tumor cells and immune-suppressive cells in the tumor microenvironment (TME) by stimulating activation and expansion of T cells against indoleamine 2,3-dioxygenase 1 (IDO1) positive and/or programmed death-ligand 1 (PD-L1) positive cells. The company is currently conducting a pivotal Phase 3 trial (IOB-013/KN-D18; NCT05155254) investigating Cylembio in combination with Merck’s anti-PD-1 therapy, KEYTRUDA (pembrolizumab) versus pembrolizumab alone in patients with advanced melanoma, a Phase 2 basket trial (IOB-022/KN-D38; NCT05077709) investigating Cylembio in combination with pembrolizumab as first line treatment in patients with advanced solid tumors, and a Phase 2 basket trial (IOB-032/PN-E40; NCT05280314) investigating Cylembio in combination with pembrolizumab as neo-adjuvant/adjuvant treatment of patients with solid tumors. Enrollment in the three ongoing company-sponsored clinical trials is now complete.

The clinical trials are sponsored by IO Biotech and conducted in collaboration with Merck, which is supplying pembrolizumab. IO Biotech maintains global commercial rights to Cylembio.

Cylembio is a registered trademark of IO Biotech ApS, a subsidiary of IO Biotech.

KEYTRUDA is a registered trademark of Merck Sharp & Dohme LLC, a subsidiary of Merck & Co., Inc., Rahway, NJ, USA.

About the IOB-013/KN-D18 Pivotal Phase 3 Clinical Trial

IOB-013/KN-D18 (ClinicalTrials.gov: NCT05155254) is an open label, randomized Phase 3 pivotal clinical trial evaluating Cylembio in combination with Merck’s anti-PD-1 therapy, KEYTRUDA (pembrolizumab) versus pembrolizumab alone in patients with previously untreated, unresectable or metastatic (advanced) melanoma. A total of 407 patients have been enrolled from more than 100 centers across the United States, Europe, Australia, Turkey, Israel and South Africa. The primary endpoint of the study is progression free survival. Top-line data readout is expected in the third quarter of 2025. Secondary endpoints include overall response rate, overall survival, durable objective response rate, complete response rate, duration of response, time to complete response, disease control rate, and incidence of adverse events and serious adverse events (safety and tolerability). Biomarkers in the blood and tumor tissue will also be assessed as exploratory endpoints. IO Biotech is sponsoring the Phase 3 trial and Merck is supplying pembrolizumab.

About IOB-022/KN-D38 Phase 2 Solid Tumor Basket Trial

IOB-022/KN-D38 (NCT05077709) is a non-comparative, open label trial to investigate the safety and efficacy of Cylembio in combination with Merck’s anti-PD-1 therapy, KEYTRUDA (pembrolizumab) in the first-line treatment of metastatic non-small cell lung cancer (NSCLC) or metastatic squamous cell carcinoma of the head and neck (SCCHN) at sites in the United States, Spain, and the United Kingdom. IO Biotech is sponsoring the Phase 2 trial and Merck is supplying pembrolizumab.

About IOB-032/PN-E40 Phase 2 Solid Tumor Basket Trial

IOB-032/PN-E40 (NCT05280314) is a multicenter Phase 2 basket trial investigating Cylembio in combination with Merck’s anti-PD-1 therapy, KEYTRUDA (pembrolizumab) as neo-adjuvant/adjuvant treatment of patients with solid tumors at sites in Australia, the United States, France, Germany, Spain, and Denmark. The study completed enrollment in all cohorts: 18 patients with melanoma in cohort A and 16 patients with SCCHN in cohort B, both as single arm cohorts receiving combination of Cylembio with pembrolizumab. In cohort C, 61 melanoma patients were randomized 1:1 to either the combination of Cylembio with pembrolizumab or pembrolizumab alone. In the neo-adjuvant period, for all cohorts, treatment is every 3 weeks (Q3W) for 3 cycles (melanoma) or 2-3 cycles (SCCHN). Patients entering the study will be scheduled for surgery and begin neoadjuvant treatment 4-9 weeks prior. Surgery will be followed by adjuvant treatment with the same regimen for 15 cycles. Cohort C patients with poor pathological response to pembrolizumab alone in the neo-adjuvant phase (>10% residual viable tumor) may cross over to combination treatment post-surgery. The primary endpoint is major pathological response at surgery (≤10% residual viable tumor; central assessment). IO Biotech is sponsoring the Phase 2 trial and Merck is supplying pembrolizumab.