Biodextris

We cover a wide array of biologic and small molecule products

Analytical Services

Choose Biodextris for your GMP analytical needs as we are experts in developing complete analytical packages, including stability studies, to cover a wide array of biologic and small molecule product.

Method Development

Our team of talented scientists follow a systematic structured methodology to develop each assay optimized for your product.

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Method Validation

Our quality management system ensures validation policies are aligned with the ICH method validation guidelines ICH Q2(R1).

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Method Transfer

With outward bound transfers we offer full support to help our clients (and their partners) get our new methods up and running.

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QC and Stability Testing

Companies rely on our Quality Control testing services for their clinical phase vaccines and biologics.

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Method Development

Biodextris supports you in the design of a suite of analytical assays that assess the important and critical quality attributes for your unique product. Our team of talented scientists follow a systematic structured methodology to develop each assay optimized for your product.

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Method Validation

Validation of a method is a critical step of development work. We, at Biodextris, validate your assays to demonstrate that the appropriate performance criteria are met, and the analytical target profile is achieved. Our quality management system ensures validation policies are aligned with the ICH method validation guidelines ICH Q2(R1).

We assess and verify the following assay parameters as appropriate for your project:

  • Specificity
  • Range
  • Accuracy
  • Precision
  • Repeatability
  • Intermediate Precision
  • Linearity
  • Detection Limit
  • Quantification Limit
  • Robustness

USP methods are performed as defined, or are adapted, customized and validated as appropriate.

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Method Transfer

Our clients and their situations are all different and as such Biodextris can offer up a wide array of options when it comes to method transfer. On inward bound method transfers we can take in a method and simply transfer and execute, or if requested, we can offer our expertise to further optimize it.


With outward bound transfers we offer full support to help our clients (and their partners) get our new methods up and running with comprehensive documentation and access to our team’s expertise. Quality is our guarantee!

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QC and Stability Testing

Clinical Drug Substance - Product Analysis

We support you to confidently release your clinical product by executing validated assays which form the backbone of your product monograph or IND CMC section, and establish the quality, efficacy and safety of your product.


Our technologies allow complete analysis of bulk drug substance and liquid or lyophilized drug product, and the validated analytical methods are performed under rigorous quality oversight, following defined standard operating procedures.Your data integrity is assured and your results are handled securely.

Clinical Drug Substance - Product Stability

We help you build a stability plan that captures the essential storage-dependent characteristics of your product to verify quality, efficacy and safety are maintained and providing critical shelf-life determination data. The curated selection of stability-indicating assays are implemented at the defined time-points, and validated storage conditions are employed. Be assured that your stability assays are never considered routine by our diligent scientific team.

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Available Analytical Technologies

CATEGORY TECHNIQUE/EQUIPMENT OBJECTIVE
Physico-chemical Capillary isoelectric focusing (cIEF) separation of protein variants
Microfluidic electrophoresis automated protein sizing and relative quantitation
HPLC-RP/IEX with PDA/CAD/Fluo: High Performance Liquid Chromatography with Reverse Phase/Ion-Exchange/Size-Exclusion with Photo Diode array or Charge Aerosol or Fluorescence detection Content or purity determination of proteins or small molecules
UPLC-PDA-MS/MS: Ultra Performance Liquid Chromatography with Photo Diode Array or Tandem Mass Spectroscopy detection Multi-analyte determination
LAL Endotoxin: Limulus amebocyte lysate assay Quantification of residual LPS or endotoxin
Colorimetry (optical density, absorbance and transmission) cuvette and multiwell plate. Optical quantification, BCA, Lowry etc.
SDS-PAGE: Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis Size separation and purity determination
Biophysical SEC-MALLS: Size-exclusion Chromatography with Multi-Angle Laser Light Scattering Direct molar mass and size distribution
SEC-FLUO/UV: Fluorescence or ultraviolet-detection Size-exclusion Chromatography Aggregation determination
DLS: Dynamic Light scattering Particle size and size distribution determination
Nephelometry Detection of insoluable particles
Immunological Western Blot Size separation and antigen specificity characterization
ELISA: Enzyme-Linked Immunosorbent Assay Antigenic activity and identification
qPCR Quantification of target or residual DNA
SRID: Single Radial Immunodiffusion Hemagglutinin potency assay
General Osmolality: Aqueous/freeze dried solutions Enumeration of moisture content
pH: Aqueous solutions Levels of acidity or alkalinity determined
Turbidity Measurement of relative clarity of a liquid against guidelines or specifications
Viscosity (Brookfield method) Viscosity, or , flow resistance of liquid in stated conditions
Photostability Simulated prolonged light exposure stability studies
Visual Inspection (EP and USP) Observation according to noted standards
Cell-based assays Potency of target molecules

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Recent Articles

Tips, News and Updates

16 Feb, 2024
In the realm of complex biologics development, the integration of Quality by Design (QbD) not only assures product quality but also emerges as a powerful driver for cost reduction and accelerated timelines. A systematic approach to development in biopharma, it emphasizes the integration of quality evaluation at every step, ensuring the production of safer and more effective drugs while optimizing resources. Unlike traditional post-production testing, Quality by Design proactively identifies and adjusts critical parameters and factors involved in development. This brief discussion explores the pivotal role of QbD in achieving these dual objectives. Determining quality target product profile and critical quality attribute is a key to a successful and efficient development. It is important to define quality target product profile (QTPP) and critical quality attributes (CQA) of the product as soon as possible during the development stage. If well defined, the Quality by Design approach will help address issues early in the product development process and prevent failures than will lead to additional cost and delay during advanced stages of the project. At Biodextris, we encourage and guide our client through Quality by Design process to ensure quality, cost optimization and timeline efficiency. Efficiency through Attribute Optimization and precise process control: Quality by Design enables a targeted optimization of critical product quality attributes, streamlining development efforts and reducing the need for extensive trial and error. By enhancing process understanding and control, QbD minimizes variations and deviations in complex biologics production. This precision and efficiency not only ensure consistent product quality but also accelerates the development timeline by avoiding delays associated with troubleshooting and rework. Risk Mitigation for Cost-Efficient Development: Quality by Design systematically identifies and mitigates risks early in the development process. This proactive risk management not only safeguards against potential setbacks but also contributes to cost efficiency by preventing the need for costly corrections later in the development cycle. Regulatory Compliance for Timely Approvals and Adaptability for Faster Life Cycle Management Well defined QbD attributes aligns with regulatory expectations, ensuring that the development process is well-documented and compliant. This adherence expedites regulatory approvals, reducing the time and resources required for navigating the approval process. Furthermore, Quality by Design's emphasis on continuous improvement allows for swift adaptation to changes throughout the product's life cycle. This adaptability reduces the time and costs associated with implementing updates or modifications post-launch. For Biodextris, Quality by Design is not only a quality assurance framework but also a strategic ally for reducing costs and accelerating timelines in the development of complex biologics as well as decrease regulatory compliance risks by building product knowledge and understanding. Its systematic approach, from attribute optimization to risk mitigation and formulation efficiency, positions QbD as an indispensable tool for achieving cost-effective and timely success in the competitive landscape of all biologic products development, especially for Complex Biologics. Contact us to see how Biodextris and Quality by Design can help you bring your innovation to life and follow our next newsletters for more details the QbD tools we use to improve your projects.
24 Oct, 2023
In the landscape of the biopharmaceutical industry, the partnership between a biopharma sponsor and its biologics Contract Development and Manufacturing Organization (biologics CDMO) has become more than a simple business arrangement and has transformed into a strategic collaboration characterized by flexibility and adaptability. Historically, biopharma companies have had to contract very large projects out to biologics CDMO meaning they would commit large financial and organisational resources, which did not always match investment cycles. Today, the industry and its biopharma CDMOs are recognizing the benefits of segmenting projects and costs, aligning them with funding phases and thus optimizing resources while fostering innovation. Biodextris: at the heart of a multi-expertise CDMO organization With extensive development and manufacturing capacities, biologics CDMO Biodextris has accompanied this change with strong, project-based partnerships with the biopharma industry. As part of the Clean Biologics group , Biodextris is also at the heart of a multi-expertise organization, thus enhancing the capacity to coordinate overall biopharma CDMO capacities while keeping a segmented approach. Aligning organisational resources with funding cycles to mitigate risk and foster innovation Biopharma projects typically go through several funding cycles, covering discovery and R&D, clinical trials and commercialization, and which require support from biopharma CDMOs and CROs. This includes sometimes long analytical, development and biomanufacturing phases requiring a sizable financial commitment. A flexible approach to biologics CDMO collaboration aligns costs with these funding phases ensuring that financial resources are used efficiently. Additionally, this strategy contributes to overall risk mitigation: the development cycle of a biopharma substance is rife with uncertainties, including regulatory changes, market dynamics, and technical advancements. Flexibility in biologics CDMO partnerships allows biopharma companies to adapt to these pitfalls and hurdles more efficiently. With a keen understanding of the biopharma dynamics and its privileged position within a biologics CDMO group, Biodextris optimizes resources for sponsors by reducing organisational burdens: this leaves our partners with more time and resources for their core and strategic activities including discovery, R&D and business development.
By Cedric Heroux 06 Jun, 2023
Boston, MA, June 5, 2023 (GLOBE NEWSWIRE) – Calder Biosciences Inc., a molecular engineering and clinical manufacturing-stage biotechnology company pioneering its 3D-Vaxlockä platform technology to engineer and develop novel protein subunit vaccines, today announced a clinical supply agreement with Biodextris Inc. Under the agreement, Calder Biosciences will evaluate DT-preF, its lead candidate in the development of a vaccine to prevent acute lower respiratory infections caused by the Respiratory Syncytial Virus (RSV), as part of a Phase I clinical trial that will include an efficacy read-out. Preclinical studies are designed to assess the toxicity and tolerability of the lead candidate vaccine. The preclinical study will begin in Nov and the Phase 1 clinical study will begin in H1 2024. Calder Biosciences’ CEO, Chris Marshall, remarks: “We are truly excited to be working with the Biodextris team to bring our RSV vaccine candidate into production, featuring our novel manufacturing process. This represents the first of a series of conformationally locked protein subunit vaccines with greatly improved safety and potency.” "We are delighted to have signed this agreement with Calder Biosciences. It represents an important contract for Biodextris, as this work will be the first to be carried out by our production and development teams in our new industrial-scale vaccine and biologics development, manufacturing and packaging plant (CDMO)” says Alain Carrier, General Manager of Biodextris. The new Biodextris biomanufacturing centre (cGMP) and its analytical capabilities was developed with the support of the governments of Quebec and Canada and Investissement Québec. Today's announcement was made at the 2023 BIO International Convention, which is being held in Boston, MA, from June 5 to 8. About Biodextris Inc. Founded in 2015, Biodextris is a subsidiary of Clean Biologics SAS, which provides clinical manufacturing process analysis and development services and quality control testing for clients in the vaccine and biologics industries. The company is staffed by experienced biologics development scientists, and key team members have worked together in medium and large vaccine development and manufacturing companies for almost twenty years. The Biodextris team provides its extensive pharmaceutical company expertise in a more personal and interactive setting to clients of various sizes. The company develops, manufactures, and tests a wide range of biological products for vaccine, pharmaceutical, and other applications. Biodextris has the experience and expertise to develop high-quality, robust, and marketable products, while acting with the flexibility and sense of urgency required by small organizations. About Calder Biosciences Inc. Founded in 2018, Calder Biosciences is a New York City-based, privately held, clinical manufacturing-stage biotechnology company with financial backing from SOSV, a global venture capital firm. Calder is developing next-generation protein subunit vaccines. Calder’s proprietary 3D-Vaxlockä technology locks proteins in the conformation that most prominently exposes sites of vulnerability and elicits substantially amplified and focused, neutralizing antibody responses, along with strong T cell responses. These responses are expected to improve both protection and safety. Better stability also substantially reduces cold chain requirements and spoilage. Calder’s lead, 3D-Vaxlock’d RSV vaccine is entering clinical development. For more information: www.calderbiosciences.com www.biodextris.com
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