Formulation possibilities
Investigating approaches to solubility, stability, and pharmaceutical formulation.
Pharmaceutical delivery technology
Discover how a distinctive hollow, porous architecture is opening new possibilities in pharmaceutical formulation and drug delivery.

Video overview
In just 90 seconds, explore what makes SpheroFill's porous-wall hollow glass microspheres distinctive—and why their architecture invites further investigation.
The SpheroFill platform
SpheroFill's porous-wall hollow glass microspheres combine a distinctive internal structure with surfaces that can be engineered for research into pharmaceutical applications.
Explore the architecture that makes this platform an intriguing subject for formulation and delivery research.
Explore the Five Technology Pillars
Interconnected wall pores offer pathways for molecular transport.
An internal cavity offers space to investigate compound loading.
Surface chemistry creates opportunities to study material interactions.
A single architecture invites exploration across multiple formulation concepts.
Process consistency and scale-up are important areas for continuing work.
Potential applications
From formulation challenges to site-specific delivery concepts, SpheroFill is investigating where this distinctive architecture may open new possibilities across pharmaceutical development.
Investigating approaches to solubility, stability, and pharmaceutical formulation.
Exploring the potential for site-specific therapeutic delivery.
Investigating approaches to sustained and tunable delivery.
Scientific foundations
Our work draws on published research, patented innovations, and ongoing scientific investigation. Explore the scientific foundation of the platform through our published research and patents.
Scientific investigations of porous-wall hollow glass microsphere structure and potential applications.
Intellectual property addressing microsphere technologies and applications.
Continuing research to refine understanding and evaluate emerging possibilities.
SpheroFill Insights · Podcast
Discover the origins of porous-wall hollow glass microspheres, what makes their architecture distinctive, and the scientific questions inspiring new approaches to drug delivery.
Episode 1 · Introducing Porous-Wall Hollow Glass Microspheres

About SpheroFill
Bringing together experience in clinical medicine, materials science, and regenerative medicine, SpheroFill was founded to explore the biomedical possibilities of porous-wall hollow glass microspheres.
Co-founder
Interim CEO
Physician-scientist, fellowship-trained laryngologist, and healthcare executive. Dr. Weinberger combines clinical research and health-system leadership with experience translating biomedical technologies and developing SpheroFill's intellectual property.
Co-founder
VP Research & CTO
Materials scientist and former Savannah River National Laboratory senior researcher. Dr. Wicks brings decades of experience in glass and ceramic science, including the origins and engineering of porous-wall hollow glass microspheres.
Co-founder
Executive VP & CSO
Biomedical scientist with extensive experience in regenerative medicine, stem-cell biology, and translational research. Dr. Hill connects SpheroFill's materials platform with opportunities for biological investigation and pharmaceutical development.
Leadership expansion
Pharmaceutical Business Leadership
We are in the process of adding seasoned pharmaceutical business leadership to support partnerships, strategy, and commercialization.
Let's explore what's next
We welcome conversations with pharmaceutical partners, scientific collaborators, and investors who share our interest in advancing this technology.
Explore development opportunities, collaborative research, and potential partnerships.
Start a conversationLearn more about our technology, strategy, and potential opportunities.
Discuss the opportunityConnect with SpheroFill
Interested in the science, exploring a partnership, or learning about SpheroFill? We'd welcome the opportunity to connect.