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4DMT Highlights Robust and Durable Clinical Activity for 4D-150 and Design of 4FRONT Phase 3 Program at 4D-150 Wet AMD Development Day

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4D Molecular Therapeutics (Nasdaq: FDMT) announced positive interim data for 4D-150, its gene therapy candidate for wet age-related macular degeneration (wet AMD). The Phase 1/2 PRISM trial showed robust and durable clinical activity across all wet AMD patient populations:

- In the broad population (Phase 2b), 70% were injection-free through 52 weeks
- In the severe population (Phase 1/2a), there was an 83% overall reduction in annualized injections through 52 weeks
- 4D-150 demonstrated a favorable safety profile with intraocular inflammation rates similar to approved anti-VEGF agents

The company plans to initiate the 4FRONT-1 Phase 3 study in Q1 2025, comparing a single dose of 4D-150 to aflibercept in recently diagnosed, treatment-naïve wet AMD patients. The trial design aims to maximize clinical, regulatory, and commercial success potential across global markets.

4D Molecular Therapeutics (Nasdaq: FDMT) ha annunciato dati intermedi positivi per 4D-150, il suo candidato alla terapia genica per la degenerazione maculare senile umida (wet AMD). Lo studio PRISM di Fase 1/2 ha mostrato un'attività clinica robusta e duratura in tutte le popolazioni di pazienti con wet AMD:

- Nella popolazione ampia (Fase 2b), il 70% dei pazienti è rimasto senza iniezioni per 52 settimane
- Nella popolazione grave (Fase 1/2a), si è registrata una riduzione complessiva del 83% delle iniezioni annualizzate per 52 settimane
- 4D-150 ha dimostrato un profilo di sicurezza favorevole con tassi di infiammazione intraoculare simili a quelli degli agenti anti-VEGF approvati

La società prevede di avviare lo studio di Fase 3 4FRONT-1 nel primo trimestre del 2025, confrontando una singola dose di 4D-150 con aflibercept in pazienti con wet AMD recentemente diagnosticati e naïve al trattamento. Il design dello studio mira a massimizzare il potenziale di successo clinico, normativo e commerciale sui mercati globali.

4D Molecular Therapeutics (Nasdaq: FDMT) anunció datos interinos positivos para 4D-150, su candidato a terapia génica para la degeneración macular húmeda relacionada con la edad (wet AMD). El ensayo PRISM de Fase 1/2 mostró una actividad clínica robusta y duradera en todas las poblaciones de pacientes con wet AMD:

- En la población general (Fase 2b), el 70% no requirió inyecciones durante 52 semanas
- En la población severa (Fase 1/2a), hubo una reducción general del 83% en las inyecciones anualizadas durante 52 semanas
- 4D-150 demostró un perfil de seguridad favorable con tasas de inflamación intraocular similares a los agentes anti-VEGF aprobados

La compañía planea iniciar el estudio de Fase 3 4FRONT-1 en el primer trimestre de 2025, comparando una dosis única de 4D-150 con aflibercept en pacientes con wet AMD recién diagnosticados y naïve al tratamiento. El diseño del ensayo tiene como objetivo maximizar el potencial de éxito clínico, regulatorio y comercial en los mercados globales.

4D Molecular Therapeutics(Nasdaq: FDMT)는 습성 나이相關 황반변성(wet AMD)을 위한 유전자 치료제 후보인 4D-150에 대한 긍정적인 중간 데이터를 발표했습니다. 1/2상 PRISM 시험은 모든 습성 AMD 환자 집단에서 강력하고 지속적인 임상 활동을 보여주었습니다:

- 광범위한 집단 (Phase 2b)에서 70%가 52주 동안 주사 없이 진행되었습니다.
- 중증 집단 (Phase 1/2a)에서는 52주 동안 연간 주사량이 83% 감소했습니다.
- 4D-150은 승인된 항-VEGF제와 유사한 안구내 염증율로 우수한 안전성 프로필을 보였습니다.

회사는 2025년 1분기에 4FRONT-1 3상 연구를 시작할 계획이며, 최근 진단받고 치료를 받은 적 없는 습성 AMD 환자를 대상으로 4D-150 단일 용량과 아플리버셉트 비교할 예정입니다. 시험 설계는 글로벌 시장에서 임상, 규제 및 상업적 성공 가능성을 극대화하는 것을 목표로 하고 있습니다.

4D Molecular Therapeutics (Nasdaq: FDMT) a annoncé des données intermédiaires positives pour 4D-150, son candidat à la thérapie génique pour la dégénérescence maculaire liée à l'âge humide (wet AMD). L'étude PRISM de Phase 1/2 a montré une activité clinique robuste et durable dans toutes les populations de patients atteints de wet AMD :

- Dans la population générale (Phase 2b), 70 % étaient exempts d'injections pendant 52 semaines
- Dans la population sévère (Phase 1/2a), il y a eu une réduction globale de 83 % des injections annualisées sur 52 semaines
- 4D-150 a démontré un profil de sécurité favorable avec des taux d'inflammation intraoculaire similaires à ceux des agents anti-VEGF approuvés

La société prévoit de lancer l'étude de Phase 3 4FRONT-1 au premier trimestre 2025, comparant une seule dose de 4D-150 à l'aflibercept chez des patients récemment diagnostiqués et naïfs au traitement avec wet AMD. La conception de l'essai vise à maximiser le potentiel de succès clinique, réglementaire et commercial sur les marchés mondiaux.

4D Molecular Therapeutics (Nasdaq: FDMT) gab positive Zwischenwerte zu 4D-150, seinem Gentherapiekandidaten für die feuchte altersbedingte Makuladegeneration (wet AMD), bekannt. Die Phase 1/2 PRISM-Studie zeigte robuste und langlebige klinische Aktivität in allen Patientengruppen mit feuchter AMD:

- In der breiten Bevölkerung (Phase 2b) waren 70% 52 Wochen injektionsfrei
- In der schweren Population (Phase 1/2a) gab es eine Gesamtreduktion von 83% bei den annualisierten Injektionen über 52 Wochen
- 4D-150 zeigte ein günstiges Sicherheitsprofil mit ähnlichen Raten von intraokularen Entzündungen wie genehmigte Anti-VEGF-Agentien

Das Unternehmen plant, die Phase 3-Studie 4FRONT-1 im ersten Quartal 2025 zu starten, um eine einmalige Dosis von 4D-150 mit Aflibercept bei kürzlich diagnostizierten, behandlungsnaiven Patienten mit feuchter AMD zu vergleichen. Das Studiendesign zielt darauf ab, das klinische, regulatorische und kommerzielle Erfolgspotenzial auf globalen Märkten zu maximieren.

Positive
  • 70% of patients in the Phase 2b broad population were injection-free through 52 weeks
  • 83% overall reduction in annualized injections in the Phase 1/2a severe population through 52 weeks
  • 98% reduction in annualized injections for recently diagnosed patients in Phase 2b
  • Favorable safety profile with intraocular inflammation rates similar to approved anti-VEGF agents
  • Planned initiation of 4FRONT-1 Phase 3 study in Q1 2025
  • FDA RMAT designation and EMA PRIME designation received for 4D-150
Negative
  • None.

Insights

The interim data for 4D-150 in wet AMD treatment is highly promising. The 83% reduction in annualized injections for severe cases and 70% injection-free rate in the broader population at 52 weeks are significant improvements over current standards. The 98% reduction in recently diagnosed patients is particularly impressive.

The safety profile, with only 2.8% experiencing transient inflammation, is comparable to existing anti-VEGF treatments. This suggests 4D-150 could offer a dramatic reduction in treatment burden without compromising safety.

The planned Phase 3 trials, focusing on treatment-naïve patients, are well-designed to demonstrate non-inferiority to aflibercept while potentially showing superior convenience. If successful, 4D-150 could revolutionize wet AMD management, significantly improving patient quality of life and potentially enhancing long-term outcomes through consistent treatment.

The 4FRONT Phase 3 program design is robust and strategically sound. Key elements include:

  • Large sample size (N=500) for statistical power
  • Focus on recently diagnosed, treatment-naïve patients
  • Demonstration of aflibercept responsiveness before randomization
  • Non-inferiority design with BCVA as primary endpoint
  • Sham control for proper masking

The alignment with FDA feedback under RMAT designation and ongoing EMA discussions under PRIME designation strengthen the regulatory strategy. The Q1 2025 initiation for 4FRONT-1 allows time for thorough preparation while maintaining momentum.

If successful, this program could position 4D-150 as a first-line treatment for wet AMD, potentially capturing a significant market share in this large indication.

4DMT's advancement of 4D-150 represents a significant opportunity in the lucrative wet AMD market, valued at over $8 billion annually. The potential for a single-dose treatment could disrupt the current paradigm dominated by frequent injections of anti-VEGF agents.

Key financial implications include:

  • Reduced healthcare costs associated with fewer injections and clinic visits
  • Potential for premium pricing given the long-lasting effect
  • Expanded market reach due to improved patient compliance and accessibility

The company's strong cash position and the addition of experienced leadership in late-stage development and commercialization enhance execution capabilities. However, investors should note that significant R&D expenses are expected as 4DMT advances into costly Phase 3 trials. The market opportunity justifies this investment, with potential for substantial returns if 4D-150 succeeds in Phase 3 and gains approval.

  • 4D-150 demonstrated robust and durable clinical activity across all wet age-related macular degeneration (wet AMD) patient populations based on longest available follow-up data
    • In broad population (Phase 2b), 70% injection-free through 52 weeks
    • In severe population (Phase 1/2a), 83% overall reduction in annualized injections through 52 weeks
  • 4D-150 continues to be safe and well tolerated with intraocular inflammation (IOI) profile numerically similar (2.8% transient 1+ vitreous cells) to approved anti-VEGF agents
  • 4FRONT Phase 3 program designed to maximize 4D-150’s potential, including probabilities of clinical, regulatory and commercial success across global markets
  • Corporate webcast to be held on September 18, 2024 at 4:15 p.m. ET

EMERYVILLE, Calif., Sept. 18, 2024 (GLOBE NEWSWIRE) -- 4D Molecular Therapeutics (Nasdaq: FDMT, 4DMT or the Company), a leading clinical-stage genetic medicines company focused on unlocking the full potential of genetic medicines to treat large market diseases, today announced data showing continued robust and durable clinical activity, based on longest interim follow-up data from the Phase 1/2 PRISM clinical trial, and 4FRONT Phase 3 study design, which will be presented at its 4D-150 Wet AMD Development Day.

“We continue to build support for 4D-150 with positive interim data from PRISM showcasing clear reduction in overall treatment burden and potential multiyear clinical benefit in previously treated patients, with an emerging safety profile comparable to approved anti-VEGF agents. In addition, we have assembled an exceptional senior leadership team with deep late-stage drug development, regulatory and commercial experience in large market ophthalmology to design and execute our upcoming pivotal studies,” said David Kirn, M.D., Co-founder and Chief Executive Officer of 4DMT. “We expect to initiate 4FRONT-1, our first 4D-150 Phase 3 study in wet AMD, in Q1 2025. We look forward to continuing the rapid advancement of this potentially paradigm shifting product candidate that addresses the limits of current treatment options for patients with wet AMD.”

“As prudent medicine developers, we began our clinical development program for 4D-150 in the most severe wet AMD patients in the Phase 1/2a portion of PRISM. After observing favorable tolerability and clinical activity results, we and our investigators felt confident in 4D-150’s potential across a broad range of wet AMD patients and designed the Phase 2b cohort,” said Robert Kim, M.D., Chief Medical Officer of 4DMT. “We believe the interim data from Phase 2b demonstrates strong clinical activity, especially in more recently diagnosed patients.”

4D-150 Wet AMD Development Day Key Highlights:

Positive Interim Data from 4D-150 Phase 1/2 PRISM Study

  • Clinical Activity (based on data cutoff of September 3, 2024):
    • Robust and durable treatment burden reduction observed in all PRISM populations studied with the planned Phase 3 dose of 3E10 vg/eye of 4D-150 (*Based on Kaplan-Meier method for calculating endpoint with follow-up through 52 weeks (Phase 1/2a) and variable follow-up through 32–52 weeks (Phase 2b); **Defined as diagnosed ≤6 months)
      • Phase 1/2a Severe (n=24, through 52 weeks):
        • 83% overall reduction in annualized injections
        • 52% received 0 or 1 injection*
        • 44% injection-free*
      • Phase 2b Broad (n=30, through 52 weeks):
        • 89% overall reduction in annualized injections
        • 80% received 0 or 1 injection*
        • 70% injection-free*
      • Phase 2b Recently Diagnosed** (n=15, through 52 weeks):
        • 98% overall reduction in annualized injections
        • 100% received 0 or 1 injection*
        • 87% injection-free*
    • Central Subfield Thickness (CST): sustained anatomic control with fewer fluctuations
    • Mean best corrected visual acuity (BCVA): stable (Phase 1/2a) or sustained improved (Phase 2b)
  • Safety (based on data cutoff of August 23, 2024):
    • 4D-150 continues to be well tolerated with favorable safety profile
    • Rate of 4D-150 IOI numerically similar to that reported for approved anti-VEGF agents
      • Wet AMD:
        • 2.8% (2 of 71) had 4D-150–related IOI at any timepoint
          • 2 patients had transient 1+ vitreous cells
        • 99% (70 of 71) completed steroid prophylaxis taper on schedule
        • 97% (69 of 71) remained off steroids completely
      • Diabetic Macular Edema (DME; SPECTRA trial):
        • No patients treated at any dose (n=22) have experienced IOI events at any timepoint
    • No 4D-150–related hypotony, endophthalmitis, vasculitis, choroidal effusions or retinal artery occlusions observed to date across both the wet AMD and the DME programs

4FRONT Wet AMD Planned Phase 3 Program Key Design Elements

  • Company planning for global 4FRONT Phase 3 development program comparing a single dose of 4D-150 3E10 vg/eye to on-label aflibercept 2mg Q8 weeks:
    • Initiation of 4FRONT-1 clinical trial (N=500) expected in Q1 2025
    • Eligibility criteria: 1) Patients must be both recently diagnosed and treatment naïve wet AMD patients, and 2) Randomization requires on study demonstration of aflibercept responsiveness
  • Program expected to include two double-masked, randomized, controlled noninferiority trials:
    • Primary endpoint: noninferiority in BCVA
    • Sham controlled to support masking
    • All patients randomized to receive 3 total loading doses per aflibercept label
  • Supplemental aflibercept injection criteria for 4D-150 arm optimized to protect primary BCVA endpoint and to maximize reduction of supplemental treatment burden; no supplemental injections allowed in control arm
  • Study design has been aligned with feedback from U.S. Food and Drug Administration (FDA) under RMAT designation
  • Alignment ongoing with European Medicines Agency (EMA) under PRIME designation

Carlos Quezada-Ruiz, M.D., FASRS, SVP, Therapeutic Area Head, Ophthalmology of 4DMT added, “Given the consistent emerging safety profile and strong signs of promising clinical activity across a broad range of wet AMD patients, including three patients from our Phase 1a who have gone 2-3 years without the need for supplemental aflibercept injections, we are excited to rapidly advance 4D-150 into Phase 3. We have worked closely with global regulatory agencies and our Ophthalmology Advisory Board to maximize the probabilities of clinical, regulatory and commercial success of the 4FRONT Phase 3 program. In partnership with the retina community, we are eager to begin enrollment in 4FRONT-1 and potentially bring a paradigm shifting treatment option to patients.”

“Our patients with wet AMD require frequent life-long treatment with intravitreal injections, leading to a high treatment burden and suboptimal outcomes in the real world compared to clinical trials,” said Arshad M. Khanani, M.D., M.A., FASRS, Director of Clinical Research at Sierra Eye Associates and Clinical Professor at University of Nevada, Reno. “Based on the data to date, 4D-150 has the potential to decrease treatment burden and control wet AMD with a safe, single routine intravitreal injection while maintaining vision and anatomy. I am looking forward to working with the 4DMT team, the Ophthalmology Advisory Board, and investigators on the 4FRONT Phase 3 global development program to advance this potential treatment option for all our patients with wet AMD.” 

4D-150 Wet AMD Development Day Webcast Details

Title:4D-150 Wet AMD Development Day
Date/Time:Wednesday, September 18, 2024 from 4:15 p.m. to 6:15 p.m. ET
Registration:Link

An archived copy of the webcast will be available for up to one year by visiting the “Investors & Media” section of the 4DMT website: https://ir.4dmoleculartherapeutics.com/events.

About Wet AMD

Wet AMD is a highly prevalent disease with estimated incidence rate of 200,000 new patients per year in the United States. It is estimated that the total prevalence of wet AMD in certain major markets, including the United States and the European Union (major markets), and Japan, will be greater than 4 million individuals in the next five years. Wet AMD is a type of macular degeneration where abnormal blood vessels (macular neovascularization or MNV) grow into the macula, the central area of the retina. As a consequence, MNV causes swelling and edema of the retina, bleeding and scarring, and causes visual distortion and reduced visual acuity. The proliferation and leakage of abnormal blood vessels is stimulated by VEGF. This process distorts and can potentially destroy central vision and may progress to blindness without treatment.

About 4D-150 for Wet AMD

4D-150 combines our customized and evolved intravitreal vector, R100, and a transgene cassette that expresses both aflibercept and a VEGF-C inhibitory RNAi. This dual-transgene payload inhibits four members of the VEGF angiogenic family of factors that drive wet AMD and DME: VEGF A, B, C and PlGF. R100 was invented at 4DMT through our proprietary Therapeutic Vector Evolution platform; we developed this platform utilizing principles of directed evolution, a Nobel Prize-winning technology. 4D-150 is designed for single, low-dose intravitreal delivery for transgene expression from the retina without significant inflammation.

About 4DMT

4DMT is a leading clinical-stage genetic medicines company focused on unlocking the full potential of genetic medicines to treat large market diseases in ophthalmology and pulmonology. 4DMT’s proprietary invention platform, Therapeutic Vector Evolution, combines the power of the Nobel Prize-winning technology, directed evolution, with approximately one billion synthetic AAV capsid-derived sequences to invent customized and evolved vectors for use in our wholly owned and partnered product candidates. Our product design, development, and manufacturing engine helps us efficiently create and advance our diverse product pipeline with the goal of revolutionizing medicine with potential curative therapies for millions of patients. Currently, 4DMT is advancing six clinical-stage and one preclinical product candidate, each tailored to address rare and large market diseases in ophthalmology, pulmonology and cardiology. In addition, 4DMT is also advancing programs in CNS through a gene editing partnership. 4D Molecular Therapeutics™, 4DMT™, Therapeutic Vector Evolution™, and the 4DMT logo are trademarks of 4DMT.

All of our product candidates are in clinical or preclinical development and have not yet been approved for marketing by the U.S. Food and Drug Administration (FDA) or any other regulatory authority. No representation is made as to the safety or effectiveness of our product candidates for the therapeutic uses for which they are being studied.

Learn more at www.4DMT.com and follow us on LinkedIn.

Forward Looking Statements:

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended, including, without limitation, implied and express statements regarding the therapeutic potential, clinical benefits of and market potential of 4DMT’s product candidates, as well as the plans, announcements and related timing for the clinical development of and regulatory interactions regarding 4D-150. The words "may," “might,” "will," "could," "would," "should," "expect," "plan," "anticipate," "intend," "believe," “expect,” "estimate," “seek,” "predict," “future,” "project," "potential," "continue," "target" and similar words or expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Any forward looking statements in this press release are based on management's current expectations and beliefs and are subject to a number of risks, uncertainties and important factors that may cause actual events or results to differ materially from those expressed or implied by any forward-looking statements contained in this press release, including risks and uncertainties that are described in greater detail in the section entitled "Risk Factors" in 4D Molecular Therapeutics’ most recent Quarterly Report on Form 10-Q, as well as any subsequent filings with the Securities and Exchange Commission. In addition, any forward-looking statements represent 4D Molecular Therapeutics' views only as of today and should not be relied upon as representing its views as of any subsequent date. 4D Molecular Therapeutics explicitly disclaims any obligation to update any forward-looking statements. No representations or warranties (expressed or implied) are made about the accuracy of any such forward-looking statements.

Contacts:

Media:

Katherine Smith
Inizio Evoke Comms
Media@4DMT.com

Investors:

Julian Pei
Head of Investor Relations and Corporate Finance
Investor.Relations@4DMT.com


FAQ

What are the key results of the 4D-150 Phase 1/2 PRISM trial for wet AMD?

The PRISM trial showed robust and durable clinical activity across all wet AMD populations. In the Phase 2b broad population, 70% were injection-free through 52 weeks. The Phase 1/2a severe population showed an 83% overall reduction in annualized injections through 52 weeks. Recently diagnosed patients in Phase 2b experienced a 98% reduction in annualized injections.

When is 4DMT (FDMT) planning to start the Phase 3 trial for 4D-150 in wet AMD?

4D Molecular Therapeutics (FDMT) plans to initiate the 4FRONT-1 Phase 3 study for 4D-150 in wet AMD in Q1 2025.

What is the safety profile of 4D-150 for wet AMD based on the PRISM trial?

4D-150 demonstrated a favorable safety profile in the PRISM trial. The rate of intraocular inflammation was numerically similar to that reported for approved anti-VEGF agents, with only 2.8% of patients experiencing 4D-150-related intraocular inflammation at any timepoint.

How is 4DMT (FDMT) designing the Phase 3 program for 4D-150 in wet AMD?

The 4FRONT Phase 3 program will compare a single dose of 4D-150 to aflibercept in recently diagnosed, treatment-naïve wet AMD patients. It will include two double-masked, randomized, controlled noninferiority trials with a primary endpoint of noninferiority in best corrected visual acuity (BCVA). The design aims to maximize clinical, regulatory, and commercial success potential across global markets.

4D Molecular Therapeutics, Inc.

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