Sterile Fill & Finish for Vials, Syringes, and Complex Biologics
At Olon, we provide aseptic fill & finish services designed to deliver safe, sterile drug products for clinical and commercial use. More than just a final step, fill & finish is a critical milestone in bringing your therapy to patients — and our dedicated team ensures precision, sterility, and regulatory compliance every time.
Comprehensive Fill & Finish Capabilities
Our aseptic filling line in France is designed to deliver flexibility, sterility, and efficiency for your clinical and commercial programs. We don’t just fill vials and syringes — we adapt our approach to the unique needs of your molecule, whether it requires specialized handling, high-volume output, or extra care with difficult formulations.
Capacity up to 20 000 units per batch – perfectly suited for Phase I–III clinical supplies and niche commercial products, balancing speed and cost-efficiency.
Standard vial formats (2R to 50R) – a wide range of container sizes ensures we can match your trial or commercial requirements.
Syringes (0.5–10 mL) – ready-to-use syringes simplify downstream workflows and reduce time to clinic.
Filling flexibility: liquids and suspensions – supporting diverse formulations, from standard biologics to more complex suspension-based therapies.
We Can Fill It All
One of Olon France’s greatest strengths is our ability to handle virtually any type of drug product. Thanks to our equipment and scientific expertise, we can process even the most challenging formulations — from delicate proteins to viscous gels.
Small molecules – sterile injectables for innovative APIs or reformulations of existing therapies.
Recombinant proteins – ensuring integrity and activity of sensitive protein-based drugs.
Monoclonal antibodies (mAbs) – high-value biologics that require precision and contamination-free processing.
A wide range of biologics – from enzymes and vaccines to emerging modalities.
Highly viscous gels – specialized pumps and filling systems allow us to manage products that many CDMOs cannot handle.
By consolidating drug substance and drug product under one partner, you minimize hand-offs, reduce timelines, and simplify your CMC strategy.
Customer stories: What they were looking for in a CDMO
“We are happy to work with GTP Bioways for our very first clinical trial. This collaboration is a key point in the preparation of our clinical product before its administration to patients. With their brand-new facilities in Toulouse and their aseptic fill and finish operations, GTP Bioways shows all the guarantees requested for our lead anticancer compound ABD-3001 during our first-in-human clinical trial in acute myeloid leukemia upcoming soon. During the set-up of our GMP production, GTP Bioways team has been quite flexible and reactive to our needs “
Ismail Ceylan, Founder and CEO of Advanced Biodesign
Quality and Regulatory Compliance
Quality is at the center of everything we do. At Olon, our fill & finish services are executed under EMA and FDA cGMP standards, backed by a strong compliance culture and a track record of successful audits.
State-of-the-art isolator technology – creating a barrier-protected environment that safeguards both the product and operators.
ISO 5 filling environment with ISO 7 background – meeting the strictest international requirements for aseptic processing.
Comprehensive in-process controls and sterility testing – monitoring every step of the process to ensure consistency and compliance.
Full QA/QC oversight and batch-release documentation – delivering regulatory-ready drug product that supports your IND/IMPD filings and clinical milestones.
With Olon, you gain not just a supplier, but a regulatory ally who helps you move forward with confidence.
Frequently Asked Questions (FAQ)
What is aseptic fill & finish?
Fill & finish is the process of filling sterile drug substance into vials or syringes under GMP conditions, ensuring the product is safe for patient administration.
What formats can Olon France handle?
We support 2R–50R vials and 0.5–10 mL syringes, in both liquid and suspension forms, with batch sizes up to 20 000 units.
Can Olon handle complex biologics and viscous formulations?
Yes. We have the expertise and isolator-based equipment to work with highly viscous gels, as well as small molecules, recombinant proteins, mAbs, and other biologics.
How does Olon ensure sterility and compliance?
All operations are performed under isolator-based ISO 5 conditions with ISO 7 background, full GMP compliance, and rigorous QA/QC oversight.
Does Olon offer integrated drug substance and drug product services?
Yes. We can manage both drug substance manufacturing and fill & finish, reducing transfer risks and accelerating time to clinic.
Are you looking for best-in-class fill & finish service?
Connect with our team and we will get back to you shortly.
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