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Sensei Biotherapeutics Reports Full Year 2024 Financial Results and Update on Clinical Progress

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Sensei Biotherapeutics (NASDAQ: SNSE) reported its full year 2024 financial results and clinical progress for solnerstotug, their conditionally active antibody targeting VISTA. Key clinical highlights include:

In the Phase 1/2 dose expansion study, among 21 evaluable PD-(L)1 resistant tumor patients, the combination therapy showed 14% overall response rate (3x higher than historical rates) and 62% disease control rate. The study achieved target enrollment of 60 patients, with full expansion data expected by year-end 2025.

Financial results show:

  • Cash position: $41.3M as of December 31, 2024
  • R&D expenses: $18.6M (vs $18.3M in 2023)
  • G&A expenses: $13.0M (vs $18.8M in 2023)
  • Net loss: $30.2M (vs $34.1M in 2023)

The company expects its current cash runway to extend into Q2 2026.

Sensei Biotherapeutics (NASDAQ: SNSE) ha riportato i risultati finanziari dell'intero anno 2024 e i progressi clinici per solnerstotug, il loro anticorpo attivo condizionatamente che mira a VISTA. Punti salienti clinici includono:

Nello studio di espansione della dose di fase 1/2, tra 21 pazienti con tumori resistenti a PD-(L)1 valutabili, la terapia combinata ha mostrato un tasso di risposta complessivo del 14% (3 volte superiore ai tassi storici) e un tasso di controllo della malattia del 62%. Lo studio ha raggiunto il reclutamento target di 60 pazienti, con dati di espansione completi attesi entro la fine del 2025.

I risultati finanziari mostrano:

  • Posizione di cassa: $41.3M al 31 dicembre 2024
  • Spese per R&S: $18.6M (rispetto a $18.3M nel 2023)
  • Spese generali e amministrative: $13.0M (rispetto a $18.8M nel 2023)
  • Perdita netta: $30.2M (rispetto a $34.1M nel 2023)

L'azienda prevede che la sua attuale disponibilità di cassa si estenda fino al secondo trimestre del 2026.

Sensei Biotherapeutics (NASDAQ: SNSE) informó sobre sus resultados financieros del año completo 2024 y el progreso clínico de solnerstotug, su anticuerpo condicionalmente activo que apunta a VISTA. Aspectos destacados clínicos incluyen:

En el estudio de expansión de dosis de fase 1/2, entre 21 pacientes con tumores resistentes a PD-(L)1 evaluables, la terapia combinada mostró una tasa de respuesta general del 14% (3 veces superior a las tasas históricas) y una tasa de control de la enfermedad del 62%. El estudio alcanzó la inscripción objetivo de 60 pacientes, con datos de expansión completos esperados para finales de 2025.

Los resultados financieros muestran:

  • Posición de efectivo: $41.3M al 31 de diciembre de 2024
  • Gastos de I+D: $18.6M (frente a $18.3M en 2023)
  • Gastos generales y administrativos: $13.0M (frente a $18.8M en 2023)
  • Pérdida neta: $30.2M (frente a $34.1M en 2023)

La empresa espera que su actual liquidez se extienda hasta el segundo trimestre de 2026.

센세이 바이오테라퓨틱스 (NASDAQ: SNSE)는 2024년 전체 재무 결과와 VISTA를 표적으로 하는 조건부 활성 항체인 솔너스토투그의 임상 진행 상황을 보고했습니다. 주요 임상 하이라이트는 다음과 같습니다:

1상/2상 용량 확장 연구에서, PD-(L)1 저항성 종양 환자 21명 중 평가 가능한 환자에서, 복합 요법은 14%의 전체 반응률 (역사적 비율의 3배)과 62%의 질병 조절률을 보였습니다. 이 연구는 60명의 환자 목표 등록을 달성했으며, 2025년 말까지 전체 확장 데이터가 예상됩니다.

재무 결과는 다음과 같습니다:

  • 현금 위치: 2024년 12월 31일 기준 $41.3M
  • R&D 비용: $18.6M (2023년의 $18.3M 대비)
  • 일반 및 관리 비용: $13.0M (2023년의 $18.8M 대비)
  • 순손실: $30.2M (2023년의 $34.1M 대비)

회사는 현재 현금 유동성이 2026년 2분기까지 지속될 것으로 예상하고 있습니다.

Sensei Biotherapeutics (NASDAQ: SNSE) a annoncé ses résultats financiers pour l'année entière 2024 et les progrès cliniques concernant solnerstotug, leur anticorps activé conditionnellement ciblant VISTA. Points saillants cliniques incluent :

Dans l'étude d'expansion de dose de phase 1/2, parmi 21 patients atteints de tumeurs résistantes à PD-(L)1 évaluables, la thérapie combinée a montré un taux de réponse global de 14% (3 fois supérieur aux taux historiques) et un taux de contrôle de la maladie de 62%. L'étude a atteint l'inscription cible de 60 patients, avec des données d'expansion complètes attendues d'ici la fin de 2025.

Les résultats financiers montrent :

  • Position de trésorerie : 41,3 millions USD au 31 décembre 2024
  • Dépenses de R&D : 18,6 millions USD (contre 18,3 millions USD en 2023)
  • Dépenses générales et administratives : 13,0 millions USD (contre 18,8 millions USD en 2023)
  • Perte nette : 30,2 millions USD (contre 34,1 millions USD en 2023)

L'entreprise s'attend à ce que sa trésorerie actuelle dure jusqu'au deuxième trimestre de 2026.

Sensei Biotherapeutics (NASDAQ: SNSE) hat seine finanziellen Ergebnisse für das gesamte Jahr 2024 und den klinischen Fortschritt von solnerstotug, ihrem bedingt aktiven Antikörper, der auf VISTA abzielt, veröffentlicht. Wichtige klinische Höhepunkte umfassen:

In der Phase 1/2 Dosis-Expansionsstudie zeigte die Kombinationstherapie bei 21 bewertbaren Patienten mit PD-(L)1-resistenten Tumoren eine gesamtreaktionsrate von 14% (3-mal höher als historische Raten) und eine Krankheitskontrollrate von 62%. Die Studie erreichte die Zielanmeldung von 60 Patienten, wobei vollständige Expansionsdaten bis Ende 2025 erwartet werden.

Finanzergebnisse zeigen:

  • Liquiditätsposition: 41,3 Millionen USD zum 31. Dezember 2024
  • F&E-Ausgaben: 18,6 Millionen USD (gegenüber 18,3 Millionen USD im Jahr 2023)
  • Allgemeine und Verwaltungskosten: 13,0 Millionen USD (gegenüber 18,8 Millionen USD im Jahr 2023)
  • Nettverlust: 30,2 Millionen USD (gegenüber 34,1 Millionen USD im Jahr 2023)

Das Unternehmen erwartet, dass seine aktuelle Liquidität bis ins zweite Quartal 2026 reicht.

Positive
  • 14% overall response rate in PD-(L)1 resistant tumors, 3x higher than historical rates
  • 62% disease control rate in resistant tumors
  • Well-tolerated safety profile with no dose-limiting toxicities
  • Reduced net loss to $30.2M in 2024 from $34.1M in 2023
  • Decreased G&A expenses by $5.8M year-over-year
Negative
  • Cash position decreased to $41.3M from $65.8M year-over-year
  • R&D expenses increased to $18.6M from $18.3M year-over-year
  • 8 patients discontinued the study before post-baseline scan

Insights

Sensei's clinical data for solnerstotug represents a potentially significant development in the immuno-oncology field. The preliminary efficacy signal in PD-(L)1 resistant "hot" tumors - with a 14% ORR and 62% DCR - addresses a critical unmet need where patients typically have few options after failing standard checkpoint inhibitors.

The complete response in Merkel Cell Carcinoma and partial responses in both MCC and MSI-H colorectal cancer are particularly noteworthy given these patients' prior treatment failure. Most compelling is the durability of responses, with all responders remaining on treatment - a key differentiator in immunotherapy efficacy assessment.

Mechanistically, solnerstotug's approach of conditionally targeting VISTA in the tumor microenvironment appears sound, with published research in Nature Communications providing scientific validation. The favorable safety profile (7% Grade 1 CRS, mostly mild AEs) is critically important for combination therapy potential and quality of life considerations.

On the financial front, Sensei has managed expenses while advancing clinically. The company reduced its net loss to $30.2 million (from $34.1 million) through G&A reductions while maintaining R&D investment. With $41.3 million cash providing runway into Q2 2026, they have sufficient capital to reach the full expansion data readout expected by year-end 2025 - their next major value inflection point.

- Preliminary efficacy data from Phase 1/2 dose expansion cohort show durable responses and tumor shrinkage in a PD-(L)1 resistant “hot” tumor patient population -

- Solnerstotug continues to demonstrate a well-tolerated safety and tolerability profile -

- Achieved target enrollment in dose expansion cohort; full data expected by year-end 2025 -

- Cash runway into the second quarter of 2026 -

BOSTON, March 28, 2025 (GLOBE NEWSWIRE) -- Sensei Biotherapeutics, Inc. (Nasdaq: SNSE), a clinical stage biotechnology company focused on the discovery and development of next-generation therapeutics for cancer patients, today reported financial results for the full year 2024, and provided corporate updates.

“2024 was a pivotal year for Sensei, as we advanced solnerstotug through dose expansion and began to demonstrate its clinical potential in patients who have progressed on and are resistant to PD-(L)1 therapy” said John Celebi, President and CEO of Sensei Bio. “The responses we’ve observed in PD-(L)1 resistant tumors are highly encouraging and we believe support solnerstotug’s differentiated approach to targeting VISTA. In the context of available data across checkpoint inhibitor regimens, solnerstotug stands out for its encouraging response rates and favorable tolerability profile in PD-(L)1 resistant tumors, a setting with limited treatment options and no approved therapies targeting VISTA. We are now focused on completing dose expansion for patients on study and finalizing a robust Phase 2 strategy.”

Highlights and Milestones

Solnerstotug (formerly SNS-101) is a conditionally active antibody designed to selectively target the immune checkpoint VISTA (V-domain Ig suppressor of T cell activation) within the tumor microenvironment. VISTA is implicated in numerous cancer indications and its expression correlates with low survival rates.

Sensei is conducting a multi-center Phase 1/2 clinical trial to evaluate the safety, tolerability, pharmacokinetics, pharmacodynamics, and efficacy of solnerstotug as both a monotherapy and in combination with Regeneron’s PD-1 inhibitor Libtayo® (cemiplimab) in patients with advanced solid tumors. Recent updates include:

  • Preliminary Activity in PD-(L)1 Resistant “Hot” Tumors
    In March 2025, Sensei presented preliminary dose expansion data showing, as of the data cutoff of March 17, 2025:
    • Among 21 evaluable PD-(L)1 resistant “hot” tumor patients, the combination of solnerstotug + cemiplimab demonstrated a 14% ORR (overall response rate), which is almost 3x higher than historical PD-(L)1 rechallenge response rates (≤5%), and a 62% DCR (disease control rate), suggesting meaningful disease control in resistant tumors.
    • One durable complete response in a patient with Merkel Cell Carcinoma (MCC).
    • Two partial responses (PRs): one in a second MCC patient and one in a microsatellite instability-high (MSI-H) Colorectal Cancer (CRC) patient.
    • All patients with tumor shrinkage remain on treatment, suggesting potential for prolonged clinical benefit.
    • An additional 11 patients have not yet reached the first baseline scan, and an additional eight patients discontinued the study prior to any post-baseline scan.
    • All patients in this cohort had progressed on prior PD-(L)1.

Yesterday, Sensei hosted an investor webcast to discuss the dose expansion data, featuring Company leadership and Dr. Shiraj Sen, M.D., Medical Oncologist and Director of Clinical Research at NEXT-Oncology, Dallas, an investigator on the Phase 1/2 study. The replay of the webcast is available here.

  • Favorable Safety Profile:
    • Solnerstotug continues to be well tolerated, with no dose-limiting toxicities and the majority of AEs Grade 1 or 2 in severity to date. Out of 60 patients, there have been four (7%) cases of Grade 1 cytokine release syndrome (CRS), all mild and manageable. Two patients in the combination cohort experienced immune-mediated events.
  • Clinical Progress and Outlook:
    • Target enrollment (n=60) in the dose expansion cohort has been achieved.
    • Full expansion data expected by year-end 2025.
  • Scientific and Clinical Visibility:
    Sensei presented new data and mechanistic insights across multiple forums in 2024:
    • SITC 2024: Spatial proteomic profiling of VISTA and PSGL-1 in diverse tumor types.
    • Nature Communications: Sensei published a peer-reviewed research paper in Nature Communications in April 2024 describing the mechanism of action of solnerstotug selectively targeting the active form of VISTA within the tumor microenvironment. 
    • PEGS Europe, IO360, Keystone Symposia, and others: Continued showcasing of solnerstotug and the TMAb™ platform.

Corporate Updates

  • In Q4, Sensei implemented an organizational restructuring to streamline operations and focus resources on clinically advancing solnerstotug.
  • Appointed Josiah Craver as Senior Vice President of Finance and later as Principal Financial and Accounting Officer.
  • Named Ron Weitzman, M.D., F.A.C.P., as part-time Chief Medical Officer.

Year End 2024 Financial Results

Cash Position: Cash, cash equivalents and marketable securities were $41.3 million as of December 31, 2024, as compared to $65.8 million as of December 31, 2023. Sensei expects its current cash balance to fund operations into the second quarter of 2026.

Research and Development (R&D) Expenses: R&D expenses were $18.6 million for the year ended December 31, 2024, compared to $18.3 million for the year ended December 31, 2023. The increase in R&D expenses was primarily attributable to higher expense associated with clinical trials and one-time employee termination benefits primarily offset by lower preclinical research expense and consulting fees.

General and Administrative (G&A) Expenses: G&A expenses were $13.0 million for the year ended December 31, 2024, compared to $18.8 million for the year ended December 31, 2023. The decrease in G&A expense was primarily attributable to lower costs for external professional services, lower personnel costs, and lower insurance costs.

Net Loss: Net loss was $30.2 million for the year ended December 31, 2024, compared to $34.1 million for the year ended December 31, 2023.

About Sensei Biotherapeutics 
Sensei Biotherapeutics (Nasdaq: SNSE) is a clinical stage biotechnology company focused on the discovery and development of next-generation therapeutics for cancer patients. Through its TMAb™ (Tumor Microenvironment Activated biologics) platform, Sensei develops conditionally active therapeutics designed to disable immunosuppressive signals or activate immunostimulatory signals selectively in the tumor microenvironment to unleash T cells against tumors. Sensei’s lead product candidate is solnerstotug, a conditionally active antibody designed to block the V-domain Ig suppressor of T cell activation (VISTA) checkpoint selectively within the low pH tumor microenvironment, where VISTA acts as a suppressor of T cells by binding the receptor PSGL-1. For more information, please visit www.senseibio.com, and follow the company on X @SenseiBio and LinkedIn.

Condensed Statements of Operations
(Unaudited, in thousands except share and per share data)
      
   Year Ended
December 31,
    2024   2023 
Operating expenses:     
Research and development  $18,627  $18,299 
General and administrative   13,036   18,765 
Long-lived asset impairment   951    
Total operating expenses   32,614   37,064 
Loss from operations   (32,614)  (37,064)
Total other income   2,457   2,963 
Net loss   (30,157)  (34,101)
Net loss attributable to common stockholders   (30,157)  (34,101)
Net loss per share, basic and diluted  $(1.20) $(1.22)
Weighted-average common shares outstanding, basic and diluted   25,117,238   27,952,857 


Selected Condensed Balance Sheet Data
(Unaudited, in thousands)
     
     
  December 31,
2024
 December 31,
2023
Cash and cash equivalents $9,994 $13,011
Marketable securities  31,341  52,746
Total assets  45,361  74,374
Total liabilities  6,975  9,479
Total stockholders’ equity  38,386  64,895
     

Cautionary Note Regarding Forward-Looking Statements
Any statements contained in this press release that do not describe historical facts may constitute forward-looking statements as that term is defined in the Private Securities Litigation Reform Act of 1995. These statements may be identified by words and phrases such as “believe”, “designed to,” “expect”, “may”, “plan”, “potential”, “will”, and similar expressions, and are based on Sensei’s current beliefs and expectations. These forward-looking statements include expectations regarding the development and potential therapeutic benefits of Sensei’s product candidates, the timing of Sensei’s Phase 1/2 clinical trial of solnerstotug, including reporting of data therefrom, and its belief that its existing cash and cash equivalents will be sufficient to fund its operations into the second quarter of 2026. These statements involve risks and uncertainties that could cause actual results to differ materially from those reflected in such statements. Risks and uncertainties that may cause actual results to differ materially include uncertainties inherent in the development of therapeutic product candidates, such as the risk that any one or more of Sensei’s product candidates will not be successfully developed or commercialized; the risk of delay or cessation of any planned clinical trials of Sensei’s product candidates; the risk that prior results, such as signals of safety, activity or durability of effect, observed from preclinical studies and clinical trials, will not be replicated or will not continue in ongoing or future studies or clinical trials involving Sensei’s product candidates; the risk that Sensei’s product candidates or procedures in connection with the administration thereof will not have the safety or efficacy profile that Sensei anticipates; risks associated with Sensei’s dependence on third-party suppliers and manufacturers, including sole source suppliers, over which Sensei may not always have full control; risks regarding the accuracy of Sensei’s estimates of expenses, capital requirements and needs for additional financing; and other risks and uncertainties that are described in Sensei’s Annual Report on Form 10-K filed with the U.S. Securities and Exchange Commission (SEC) on March 28, 2025 and Sensei’s other Periodic Reports filed with the SEC. Any forward-looking statements speak only as of the date of this press release and are based on information available to Sensei as of the date of this release, and Sensei assumes no obligation to, and does not intend to, update any forward-looking statements, whether as a result of new information, future events or otherwise.

Investor Contact:
Michael Biega
Senior Director, Investor Relations
Sensei Biotherapeutics
mbiega@senseibio.com

Media Contact:
Joyce Allaire
LifeSci Advisors
Jallaire@lifesciadvisors.com


FAQ

What were the clinical results for SNSE's solnerstotug in PD-(L)1 resistant tumors?

The Phase 1/2 study showed 14% overall response rate and 62% disease control rate in 21 evaluable PD-(L)1 resistant tumor patients, including one complete response in Merkel Cell Carcinoma.

How long can SNSE operate with its current cash position as of December 2024?

Sensei Biotherapeutics reported $41.3M in cash, which is expected to fund operations into the second quarter of 2026.

What is the safety profile of SNSE's solnerstotug in clinical trials?

Solnerstotug showed a well-tolerated safety profile with no dose-limiting toxicities, mostly Grade 1-2 adverse events, and only 7% Grade 1 cytokine release syndrome cases.

When will SNSE release the full expansion data for solnerstotug?

Sensei Biotherapeutics expects to release the full expansion data from the Phase 1/2 trial by year-end 2025.
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