Resolian https://www.resolian.com/ Bioanalytics and Analytical Sciences. Proven Expertise. Worldwide Access. Wed, 31 Jul 2024 15:14:13 +0000 en hourly 1 https://wordpress.org/?v=6.6.1 https://www.resolian.com/wp-content/uploads/2024/05/Layer_1.svg Resolian https://www.resolian.com/ 32 32 Immunoassay Pharmacokinetics https://www.resolian.com/bioanalytics/immunoassay-pharmacokinetics-2/ Mon, 29 Jul 2024 19:33:48 +0000 https://www.resolian.com/?p=5219 Resolian can support all your immunoassay bioanalytical requirements for toxicokinetics (TK) & pharmacokinetics (PK) data collection and interpretation...

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Resolian can support all your immunoassay bioanalytical requirements for toxicokinetics (TK) & pharmacokinetics (PK) data collection and interpretation, from non-clinical to clinical trials (including phase III).  

Through a dedicated team of experienced scientists, Resolian will develop bioanalytical methods that meet your requirements and are fully validated in compliance with GLP/GCP regulations and international regulatory standards (FDA and EMEA). 

Platforms

With a focus on large molecule ligand binding assays, Resolian’s team of experts are able to develop methods on a diverse range of platforms:

  • Meso Scale Discovery
  • Gyrolab
  • Envision (fluorescence and absorbance)

Biotherapeutics

Resolian has supported a wide range of drug development programs for biotherapeutics, including:

  • Monoclonal antibodies (mAbs)
  • Antibody fragments (Fab, nanobody, domain antibodies)
  • Antibody drug conjugates (ADCs)
  • Proteins: including multi-domain
  • Peptides
  • Bispecifics (including multi-domain characterization)
  • Biosimilars
  • Adeno-associated viruses (AAVs): gene therapy

Bioanalytical Programs

To support bioanalytical programs, Resolian provides:

  • An experienced method development team and assigned technical specialists to ensure your assay meets your specifications
  • Key method development decisions and analytical data that are summarized and shared with customers in real time
  • An independent Principal Scientist team which ensure that developed/validated methods meet regulatory requirements
  • A dedicated sample management team to receive and batch samples from the central lab – enabling robust sample control and traceability from patient to results
  • A validated LIMS systems enabling fast turnaround of sample analysis results
  • Our data management team offering sample reconciliation, data transfers (including SDTM and SEND data standards), report tables and figures tailored to your specifications
  • PK and TK parameter analysis using Phoenix WinNonlin for non-compartmental data analysis (NCA)
 

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Materials Characterization Testing Services https://www.resolian.com/analytical-sciences/materials-characterization-testing-services/ https://www.resolian.com/analytical-sciences/materials-characterization-testing-services/#respond Mon, 29 Jul 2024 19:00:09 +0000 https://www.resolian.com/?p=5212 A detailed list of our Materials Characterization testing services.

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Technique

What Property Does It Measure?

What Is The Information Used For?

Physicochemical Properties

Inverse Gas Chromatography (iGC)

Surface energy

• Determination of surface interactions within formulations
• Studying effects of processing techniques e.g. blending, milling
• Assessing manufacturability, processability, aging, dissolution kinetics
• Studying drug-carrier interactions
• Optimization of formulation design

Dynamic Vapor Sorption (DVS)

Solvent interaction, hygroscopicity

• Formulation and packaging design
• Determining manufacture conditions
• Determining storage and transportation conditions
• Studying stoichiometry

Fourier Transform Infrared (FT-IR) Spectroscopy

 Chemical structure and identity

• Material identity confirmation
• Molecular structure and functional group determination
• Drug-excipient interaction determination
• Identification of impurities or contamination

Others

Viscosity, pH, Karl Fisher

Flowability, homogeneity, stability, solubility, dissolution rate, moisture content

Size & Shape

Light Microscopy

Particle size, shape and morphology

• Choosing optimal parameters for other techniques, e.g. laser diffraction
• Identifying particle behavior (e.g. agglomeration), and defects (e.g. contamination)
• Determining birefringence, crystallinity

Scanning Electron Microscopy (SEM)

Particle size, shape, morphology, behavior and interactions

• Nano- and micro-scale size and shape assessment
• Visualization of agglomeration and defects
• Identification of interactions between drug substance and excipients
• Choosing optimal parameters for other techniques, e.g. laser diffraction
• Studying the distribution of elements within drug particles (when combined with Energy Dispersive X-ray (EDX) spectroscopy)
• Identification of defects e.g. contamination

Laser Diffraction

Particle size distribution (PSD)

• Studying the effects of processing e.g. milling
• Developing new materials and products with desired PSD for optimal bioavailability, dissolution, absorption
• Optimizing manufacturing process

Dynamic Image Analysis (QICPIC)

Particle size and shape

• Better description of size and shape of non-spherical particles
• Identification of unusual particles, e.g. contamination, fibers
• Ensuring quality and batch consistency

Light Obscuration (HIAC)

Particle size

• Performing visible and sub-visible particulate matter testing

Surface

Gas Adsorption Analysis

Specific surface area and porosity

• Understanding dissolution rate, processing, useful shelf-life and bioavailability
• Stability of the API / excipient
• Selection of appropriate formulation and processing methods
• Optimization of drug release rate and targeting

Density

Gas pycnometry

True density and volume

• Ensuring quality and consistency of materials
• Supporting other characterization such as gas adsorption and modelling

Bulk & Tap Density

Density, packing properties

• Determine flowability, compressibility, compactability
• Determine packing and filling properties of materials

Solid Form Characterization

Powder X-ray Diffraction (PXRD)

Crystallinity, crystal structure, polymorphism, amorphous content, purity, phase identity

• Phase identification and purity
• Quantitative phase analysis
• Polymorphism screening and identification of optimal crystalline form
• Determination of crystallinity and amorphous content
• Determination of batch consistency
• Identification of contaminants
• Amorphous characterization

Differential Scanning Calorimetry (DSC)

Solvates, Hydrates, Glass Transition, Melting Point, Thermal Stability

• Determining compatibility and interactions between formulation components
• Assessing purity
• Amorphous content determination
• Glass transition point determination
• Support polymorph screening

Thermogravimetric Analysis (TGA)

Thermal stability, volatiles content (e.g. moisture, solvent), purity

• Determining hydration / solvation levels
• Determining degradation pathways
• Developing and optimizing manufacturing processes
• Designing packaging and storage conditions

Hot Stage Microscopy

Melting/boiling point, thermal stability, desolvation, phase transitions, miscibility

• Supporting formulation development
• Visualizing crystallization process, desolvation, polymorphism, phase transitions, melting/boiling points, glass transitions
• Troubleshooting problems
• Supplementing DSC and TGA data
• Supporting thermal analysis method development
• Cocrystal screening

Fourier Transform Infrared (FT-IR) Spectroscopy

Chemical structure and identity

• Material identity confirmation
• Molecular structure and functional group determination
• Drug-excipient interaction determination
• Identification of impurities and contamination

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Why Outsource Foreign Matter Analysis? https://www.resolian.com/analytical-sciences/why-outsource-foreign-matter-analysis/ https://www.resolian.com/analytical-sciences/why-outsource-foreign-matter-analysis/#respond Mon, 29 Jul 2024 18:55:44 +0000 https://www.resolian.com/?p=5206 It is important to have a good understanding of your manufacturing process in order to implement effective controls to prevent future contamination...

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It is important to have a good understanding of your manufacturing process in order to implement effective controls to prevent future contamination. However, such analyses require the right instrumentation, specialized knowledge, and the expertise in order to be useful. Therefore, it is important to have a reliable and experienced partner to help you with your investigations.

Advantages of outsourcing foreign matter analysis include:

  • Access to a wide range of analytical techniques and instruments: Foreign matter analysis requires specialized equipment that is not found in every laboratory. Often, contamination occurs in trace amounts (such as a single particle), which requires specialized handling and microscopic analysis techniques.
  • Access to experience and expertise: Acquiring data from the instruments is one part of the analysis; using extensive databases, expertise, and prior experience to make sense of the results is another. 
  • Unpredictability of occurrence: Foreign matter contamination can occur at anytime, anywhere. Therefore, dedicating and maintaining instrumentation and full-time expertise specifically for this type of analysis can be costly and resource-inefficient.

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Dive Into the World of Resolian With Our Video Series Featuring Our CEO Patrick Bennett https://www.resolian.com/news/dive-into-the-world-of-resolian-with-our-video-series-featuring-our-ceo-patrick-bennett/ Thu, 11 Jul 2024 15:20:54 +0000 https://www.resolian.com/?p=4377 Explore the history that shaped Resolian and get a sneak peek into our future plans with our new video series...

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Explore the history that shaped Resolian and get a sneak peek into our future plans with our new video series. 

In the series of nine videos, our CEO, Patrick Bennett, explains the journey behind our recent rebranding and future plans in an insightful interview with Chris O’Connor from Life Science Marketing Radio.

Chapter 1 – “We Are Resolian”

Discover the journey behind our recent rebranding directly from our CEO, Patrick Bennett, in an insightful interview with Chris O’Connor from Life Science Marketing Radio.

Get ready for an exclusive look into the heart of Resolian, as we share our resolution to be one of the best laboratories globally committed to our purpose and mission in serving customers and our scientific staff.

Watch the video below.

Chapter 2 – “One Global Organization”

Our journey into becoming a unified global entity in just 15 months has set the stage for unparalleled flexibility and efficiency. The decision to consolidate under one name allows the organization to function seamlessly as a single entity, providing clients with the flexibility to manage clinical trials across the strategically located laboratories in the US, Europe, China, and Australia.

Watch the video below.

Chapter 3 – “Empowering Global Collaboration”

The acquisition of China-based Denali Medpharma in November 2023 marks a significant leap forward in our global capabilities, particularly benefiting clients navigating the complexities of the Chinese market.

With a team of high-quality scientists, the lab brings valuable expertise, bridging the gap for companies unfamiliar with the intricacies of operations in China. Our unique advantage lies in seamless method transfers between Western pharma clients and the China lab.

Read more about the Resolian acquisition of Denali Medpharma here

Watch the video below to find out more about what the new lab in China means for our clients. 

Chapter 4 – “Australia Lab – Accelerating Success”

The Australia lab emerges as a game-changer for clients seeking accelerated timelines and financial advantages in early-phase clinical studies. The regulatory landscape in Australia facilitates faster initiation of first-in-human studies compared to the US and Europe, supported by a network of robust clinical facilities.

Beyond speed, there is also a financial benefit to conducting trials in Australia.

Companies can claim 43.5% R&D cash refund with the Australian Government clinical trial rebate program, delivering a dual advantage in both efficiency and finance.

Watch the video below to find out more about Resolian’s Australian lab.

Chapter 5 – “Logistics Mastery for Seamless Global Operations”

Handling samples across borders involves intricate considerations, from stability to hazards. Resolian’s expertise shines in navigating these complexities, particularly evident in China where HGRAC regulations pose challenges to the movement of human-based samples.

Watch the video below to find out more about Resolian’s logistics capabilities. 

Chapter 6 – “Tailored Solutions for Sponsors”

Sponsors often manage a portfolio of vendors. Most want to have some larger full-service companies in their portfolio of bioanalytical vendors. Depending on the project, those full-service vendors aren’t always the right fit. Most of them are not global. A sponsor might take advantage of one component of their service but are not necessarily what you need for this specific project.

There is always a need for laboratories like Resolian that are focused on bioanalysis.

Watch the video below to find out more about Resolian’s responsiveness and flexibility.

Chapter 7 – “Diverse Analytical Prowess Unveiled”

Unlocking the depths of Resolian’s analytical capabilities reveals a remarkable breadth across various specialties. While many labs excel in specific areas, each of Resolian’s entities stands out for its comprehensive strength. With extensive experience ranging from immunoassay to LCMS, including small molecules, large molecules, biologics, and oligonucleotides, Resolian covers a spectrum of analytical domains.

Watch the video below to find out more about the diverse analytical skills at Resolian.

Chapter 8 – “Balancing Unity and Uniqueness”

Four bioanalytical labs, four continents.

Navigating the question of maintaining consistency, Resolian unveils a dual approach to harmonize operations seamlessly. While integration is implemented for non-scientific functions, ensuring universal policies with local modifications, the scientific operations follow a unique path of harmonization.

Watch the video below to find out more about our goal to create a familiar environment for legacy customers, facilitating flexibility between geographies.

Chapter 9 – “Unveiling the Heartbeat – Bringing Benefits to Patients!”

In this final instalment, we explore Resolian’s impact on patients’ experiences in clinical trials. Unlike central labs or clinical diagnostics, bioanalysis often involves unique methods, limiting optimal locations for sample analysis.

Resolian’s global network, with laboratories in multiple geographies, provides our pharma clients the leverage to strategically choose where they run analyses in alignment with their clinical trials. This not only expands the options for clients but, more importantly, broadens the reach of clinical trials, benefiting a larger population of patients around the globe.

Watch the video below. 

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Alliance Pharma and Drug Development Solutions Are Now Resolian https://www.resolian.com/news/alliance-pharma-and-drug-development-solutions-are-now-resolian/ Thu, 11 Jul 2024 15:10:36 +0000 https://www.resolian.com/?p=4397 Alliance Pharma, a global leader providing bioanalytical, DMPK, and CMC testing services in the pharmaceutical and biopharmaceutical industry, and Drug Development Solutions, Ltd. (acquired in 2022), today announced...

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Alliance Pharma, a global leader providing bioanalytical, DMPK, and CMC testing services in the pharmaceutical and biopharmaceutical industry, and Drug Development Solutions, Ltd. (acquired in 2022), today announced they will be operating under the new name Resolian — fully integrating the companies into one organization. This brings together the companies’ established bioanalytical laboratories and experts in the U.S., U.K., and most recently in Australia, as Resolian continues to expand and support the growing need for small and large molecule bioanalytical and analytical services globally.

“Resolian merges expertise from Alliance Pharma and Drug Development Solutions — two leading providers of bioanalysis and analytical sciences — to continue to deliver world-class solutions across all therapeutic modalities,” said Resolian CEO Patrick Bennett. “Together, we are a global team of experts dedicated to resolving complex challenges and our new name reflects this. Our primary resolution is to continue to support our partners worldwide with an accessible approach, proactive management, and needed innovations in drug development research.”

With an increasing demand for both analytical and bioanalytical solutions in the drug development market, Resolian retains established proximity with its clients in strategic regions while continuing to add global scalability and portability. This gives Resolian’s partners the ability to optimize analysis in support of their programs — enabling conduct of early phase development in one location, either Europe, the U.S., or Australia, as well as the capacity for later phase global clinical trials, including rare diseases, oncology, and targeted therapies.

About Resolian

Resolian (formerly Alliance Pharma Inc. and Drug Development Solutions Ltd.) is a leading global research laboratory that provides specialized services in GxP and nonregulated bioanalysis, drug metabolism/pharmacokinetics (DMPK), and GMP CMC analytical and materials science. Over 500 experts across the U.S., U.K., and Australia deliver quality results, ensuring the highest standard of regulatory compliance throughout the drug development continuum. Resolian’s dedicated laboratories are equipped with state-of-the-art technology that meet the needs of preclinical and clinical programs at any scale.

 

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Resolian Acquires China-Based Bioanalytical CRO Denali Medpharma https://www.resolian.com/news/resolian-acquires-china-based-bioanalytical-cro-denali-medpharma/ Thu, 11 Jul 2024 15:09:43 +0000 https://www.resolian.com/?p=4415 Resolian, a global bioanalytical contract research organization (CRO) specializing in drug metabolism and pharmacokinetics for small and large molecules, has acquired Denali Medpharma...

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Resolian, a global bioanalytical contract research organization (CRO) specializing in drug metabolism and pharmacokinetics for small and large molecules, has acquired Denali Medpharma, a leading China-based bioanalytical CRO. Resolian now has bioanalysis laboratory operations in the U.S., U.K., Australia, and China. The company can initiate a project on four continents and easily transfer validated methods across labs, allowing therapeutic trials to extend to virtually any destination without changing bioanalytical CROs.

“The strategic addition of Denali will significantly enhance our capabilities and strengthen our position in the global market,” said Resolian CEO Patrick Bennett. “Denali’s founders and core scientists are internationally recognized across pharmaceutical research and development analysis and we are particularly excited to add Denali’s oligo, mRNA, and liposomal expertise to Resolian’s portfolio of services. We look forward to leveraging our growing company’s strengths to continue driving innovation and creating lasting value for our clients and stakeholders.”

 “The Denali team is thrilled to join Resolian,” said Denali CEO Min Meng, Ph.D. “Denali was founded by a group of U.S.-trained bioanalytical experts in a state-of-the-art lab facility in China to provide exceptional service for domestic and international clients. We look forward to continuing this track record and offering even greater capabilities and trial flexibility as part of Resolian.”

 

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How to Build a Comprehensive Response to Client Needs as a CRO https://www.resolian.com/news/how-to-build-a-comprehensive-response-to-client-needs-as-a-cro/ Thu, 11 Jul 2024 15:05:25 +0000 https://www.resolian.com/?p=4402 As a CRO, meeting client expectations can be an ongoing challenge. What can organizations do to make sure their research is as effective and efficient as possible?

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As a CRO, meeting client expectations can be an ongoing challenge. What can organizations do to make sure their research is as effective and efficient as possible?

Serving clients is the core of a contract research organization’s (CRO) business. The more comprehensive a CRO’s service offerings, the more likely it is to attract and retain clients. Recent events – like the COVID-19 pandemic – have set in motion industry shifts. Such shifts demand CROs adapt so that they can continue meeting their clients’ evolving needs (1). These changes are not just here to stay – they will likely accelerate.

For instance, the number of decentralized clinical trials has exploded since 2020, increasing demand for companies with a broad footprint (2).

Cell and gene therapies (CGTs) are finally seeing approvals and increased resource commitments from regulators as that space rapidly expands (3). The rareness of many diseases targeted by CGT products gives CROs with global reach a distinct advantage over companies that do not.

But global capacity is far from the only need clients have. This means little without the ability to consistently deliver on time, and doing so requires uncommon capabilities. For example, clients want to know that a CRO can tailor services to meet the specific needs of a project, and larger laboratories that are part of complex organizations are often hindered in this regard. Small- to mid-sized companies are typically nimbler and more flexible.

The ability to consistently deliver customized services at a global scale and at an accelerated pace requires a culture that is sharply focused on delivering clients exactly what they need, exactly when they need it – if not sooner. This client-centric approach is a differentiating factor in a booming, highly competitive industry, and it can determine whether a client’s drug is first to market.

Identifying industry needs and building the fastest possible response is the path to success. This article will take a closer look at the three client needs mentioned above: global reach, consistent delivery, and client centricity.

Global Reach

Clients increasingly want to partner with contractors that can service their studies across any geography. There are large, well-established companies with this ability, but they are often too entrenched in outdated systems and processes to adapt their services to the specific needs of a client’s study. In other words, they are either unwilling or unable to work with clients one-on-one. CROs that are large enough to handle global Phase III studies but still adaptable enough to provide customized services to the client base bring a desirable choice to the market.

A CRO can build global capabilities relatively quickly by acquiring smaller organizations in geographical areas of need (4). This approach provides numerous benefits that are difficult to build from within: certainly, acquisitions and facilities with equipment and processes already in place, but also talented, experienced people with unique historical knowledge.

Considering the current talent shortage in pharma, this is a massive benefit (5). Acquisitions can also capture the momentum of other organizations, which can then be fine-tuned to suit the acquiring company.

Anybody with the budget to do so can buy equipment and space. That, however, does not necessarily turn a given CRO into an organization that can solve a client’s problems. Strategic acquisitions provide a method for adding capacity and expertise, while simultaneously positioning it to better serve clients with global needs.

Consistent Delivery

Client needs can only be consistently met by CROs that have a culture of execution and an infrastructure that can handle complex, time-sensitive requirements. The latter prerequisite is much easier to meet with relatively new or recently upgraded facilities.

A blank slate allows companies to design workflows, examine process improvements, and implement the most advanced technologies to deliver higher quality results, on time.

Tools that are optimized for industry-specific performance are essential for consistent and accelerated delivery. Software, for example, is particularly important for bioanalytical research, and the right solution can improve planning, resourcing, and the monitoring of important KPIs. Software can also be used to identify trends, communicate results, and gather regular feedback from clients. These are invaluable features for delivering on projects and ensuring the ability to support incoming workloads. Commercial, highly-customizable, off-the-shelf software is ideal.

Custom-built code can create recurring issues (e.g., failed data transfer, general incompatibility) and fixes may require expensive, time-consuming, one-on-one support. It is far more efficient to select software that will easily integrate with other systems now and in the future.

Strength in this area is a gap in the industry. If a CRO’s technologies are 20 years old, consistent on-time delivery and capacity are virtually impossible. Building or renovating facilities allows companies to put the right systems, software, equipment, and automation in place to deliver consistently, while proactively managing workload and capacity. This should be built into new or rejuvenated facilities from the beginning and implemented globally as quickly as a company is able to do so.

Consistently delivering for clients in the booming CGT space comes with specialized requirements that most companies cannot meet. CGT clients want CROs that have purpose-built facilities for flow cytometry and molecular genomics, as well as dedicated cell-based immunogenicity and biomarker capabilities. Regulatory bodies also want to see these GLP facilities, so meeting that need can separate a company from its competition.

Another need that is typically missed by CROs is the comprehension that the complexities of CGT revolve around the patient. CGT is not just about the study; everything originates with the patient. Obtaining samples can cost over a million dollars, and because it might be necessary to fly an infant and family from a village to a city for treatment, these samples are incredibly precious.

If they are not shipped and analyzed appropriately, millions of dollars and those people’s time are lost. There is no re-dosing with CGT; once the patient is dosed, it is done. Most companies are still focused on the technology, testing methodology, and results, rather than the sample. Doing this correctly means understanding how important the treatment is to the patient and how critical it is that samples are handled appropriately – the distribution, logistics, and regulations.

CGT clients need GLP partners who know what regulatory bodies want, and that is rare among CROs. As such, caring for samples with the highest level of integrity and knowing how to test them under the right regulations is a difference maker.

There is one more critical issue that impacts consistency of delivery in CGT studies: an increasing number of companies are involved in CGT testing, but they are distributing the testing to different labs in their network, which complicates overall study management and can impact data delivery.

Rather than performing CGT testing in “for-purpose” designed bioanalytical labs, many clients and bioanalytical labs are sending samples to their central labs, which are clinical diagnostic operations that work under different regulatory compliance (e.g., Clinical Laboratory Improvement Amendments), rather than bioanalytical labs. The reason for this is that, historically, flow cytometry and molecular testing are performed in clinical diagnostic labs. No bioanalytical lab has the comprehensive bioanalytical capabilities that can support CGT studies in a global multi-lab setting for time sensitive testing (e.g., flow cytometry and biomarker testing), as well as full testing capabilities in at least one location. This results in multiple vendors or lab partners for the comprehensive testing of these precious samples. The ability to provide this combined global and comprehensive level of service and consistently meet timelines will be a key competitive advantage going forward.

A Client-Centric Approach

Taking care of each client individually and providing the necessary customization for their study without impairing efficiency is paramount.

Unfortunately, this is also a gap in the industry. A CRO must be accountable and accelerate decision-making to ensure on-time delivery. It must have a culture of being flexible whenever it is necessary – with systems and processes.

Effective communication is foundational to client centricity. Well-timed, consistent communication (providing updates and strategies to clients) overcomes many of a CRO’s challenges.

It is essential in building trust and long-term business relationships. Whether the news is good or bad, proactive communication on project status is key, and systems that support and automate this are essential.

Becoming a global entity that still caters to individual clients also requires a company-wide sense of responsibility. This, in turn, breeds energy and innovation. Scientists should not expect managers to solve all problems. They should not ask, “What do I do next?” and then simply do as they are told.

That will not grow an organization or its people’s experiences, and it will not keep employees’ focus where it should be: on meeting clients’ needs.

Employees should be enabled, trained, and trusted to contribute to improving efficiency or finding creative ways to deliver on time to clients. A manager’s role should be to facilitate and guide change, growth, and innovation so the client’s needs are prioritized and everyone is successful.

The Final Ingredients

A new approach is needed to consistently meet clients’ needs in the CRO space. Companies must focus on building systems, SOPs, and creating a harmonized organization that is global, modern, and adaptable. Acquiring high-quality organizations in strategic locations is a powerful way to leverage the experience of a team of SMEs while increasing global reach. In the right company culture, this can dramatically strengthen a CRO’s ability to deliver, though there are other factors that leadership must keep in mind.

CROs should aim to grow by evaluating their approach to talent acquisition.

Alongside resumes, they should consider competencies like resilience and aptitude. Talent acquisition should begin internally by providing upskilling and scientific development, personal enablement, and career mapping.

This way, each team member becomes more committed to making meaningful contributions to the company. Building relationships with community partners and educational institutions is another way to simulate contributions to an organization while also contributing to the scientific community. Programs such as Women in STEM will allow innovation and advancement, as will listening to all voices regardless of tenure (6). And if those who are new to bioanalysis are guided to flourish through a years-long global training regimen, they will become part of a cohesive unit. Overall, this approach will yield a team with essential core values:

  • Innovative mindset
  • Committed to helping others achieve their goals
  • Appreciative of leaders who are continually learning and teaching

Onboarding, training, and engaging the right people is challenging in the current environment. CROs must have an innovative hiring mindset (whom they are looking for) and continue to invest in skill development and support individual advancement from day one.

Training systems that are supported by a dedicated team will accelerate the increase of knowledge, especially for subject matter experts (SMEs) and technical teams.

CROs must also have a vision that permeates the organization from top to bottom. This vision should include everything – from how recruiting, onboarding, and training are managed to the lab’s processes, procedures, and workflows – to create company-wide alignment on foundational topics like client and staff needs, SOPs, processes, and software solutions.

There should be an established workflow that accounts for every step, up through getting data to the client. Dedicated consultants can help map out this vision and implement it in well-timed bursts; it does not have to be done all at once. The crucial factor here is establishing a culture that prioritizes constant improvement. Changes that improve effectiveness and efficiency should be welcomed by scientists doing the work.

Personal responsibility for each person’s contribution to a shared vision requires clear, honest communication among the departments and levels of an organization. There are many ways to encourage and facilitate this, including “town hall” meetings, in which employees can freely ask questions and bring problems forward. Whatever the forum or method, frequent communication and transparency keep people engaged and trained on the company’s mission.

Rapidly driving all the changes that have been discussed requires a high level of investment, but the benefits to customers are enormous. Being large enough to support global Phase III studies while retaining the ability to customize services is an edge over the larger entities and a profound value proposition. Leadership teams that understand what clients need will adapt their services to meet the void in the market.

References

  1. Gupta L, The impact of COVID-19 in biopharma: Breaking through barriers to digitization, Deloitte, 2021.
  2. Burrows K et al., Breaking barriers to digitalization in biopharma: The pandemic’s impact on R&D and commercial operating models. Deloitte. 2021.
  3. Eglovitch J, FDA explains plans to bolster cell and gene therapy approvals through wider messaging, Regulatory Focus, 2022.
  4. Alliance Pharma, US, Alliance Pharma Acquires U.K.-based LGC’s Drug Development Solutions (DDS) Business, Business Wire, 2022.
  5. Cini P, The Talent Shortage In Biopharma Demands A Creative Solution, Outsourced Pharma, 2022.
  6. Visit: www.womeninstem.co.uk/
 

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Pharmacokinetics – Area Under the Curve Calculations https://www.resolian.com/supporting-sciences/pharmacokinetics-area-under-the-curve-calculations/ Thu, 11 Jul 2024 14:47:11 +0000 https://www.resolian.com/?p=4437 The area under the concentration vs. time curve is a useful description of exposure of drug following administration. There are different ways in which AUC may be calculated...

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The area under the concentration vs. time curve is a useful description of exposure of drug following administration. There are different ways in which AUC may be calculated, and terminology may vary from one source or text to another. This page summarizes the calculations and terminology that may be encountered.

Bioanalytical data consists of a series of concentrations at various time points following dose administration.

The shape under each pair of data points forms a trapezoid. The area of a trapezoid can be calculated using a variety of rules. For example, the Linear Log Trapezoidal rule will draw a linear line between pairs of data points that are prior to Cmax, and a logarithmic line between data points following Cmax. The linear trapezoidal linear interpolation rule will draw a linear line between each pair of data points:

There are additional rules, and these are specified in our study plans.

The area under each of the trapezoids are summed (shaded area above) to give an AUC:

AUC0-n = Ʃ[0.5*(t2-t1)* (Cp1+Cp2)]

Where a logarithmic trapezoidal rule is employed for a trapezoid, the formula is:

AUCt1-t2 = (t2-t1)*((Cp1-Cp2)/ln(Cp1/Cp2 ))

  • AUC0-last describes the area under the curve up to the last quantifiable time-point (sometimes referred to as AUC0-t)
  • AUC0-x describes the area under the curve limited to a specific time (e.g. AUC0-12h). This time may fall between available data points, in which case interpolation is used to make the calculation
  • AUC0-inf extrapolates the area to infinite time. This requires a terminal elimination phase to be characterized. AUC0-inf comprises AUC0-last plus the extrapolated area AUCt-inf which is calculated by

AUCt-inf  = Cpt / Kel

where Cpt is the plasma concentration at the last quantifiable time point and Kel is the terminal elimination rate constant

  • AUC0-tau describes the area under the curve limited to the end of a dosing interval. The end of the dosing interval may fall between available data points, in which case interpolation is used to make the calculation
  • AUCall describes the area under the curve inclusive of any final time-point that is below the limit of quantitation
 

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Introduction to Pharmacokinetics https://www.resolian.com/supporting-sciences/introduction-to-pharmacokinetics/ Thu, 11 Jul 2024 14:30:58 +0000 https://www.resolian.com/?p=4423 An understanding of the characteristics of drug exposure following administration and how it relates to safety and efficacy is critical for progressing drug development (e.g. in decision making for drug candidates...

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An understanding of the characteristics of drug exposure following administration and how it relates to safety and efficacy is critical for progressing drug development (e.g. in decision making for drug candidates, design of dosing regimens and making predictions for future studies) as well as being a requirement for regulatory authorities. Pharmacokinetics (PK) analysis aims to evaluate quantitatively how a drug enters the body, what happens to the drug while in the body and ultimately, how it is removed. These processes are commonly referred to by the acronym “ADME”, which comprises absorption, distribution, metabolism and excretion.

Non-compartmental analysis (NCA) is a rapid and cost effective method ideally suited to estimating exposure from bioanalytical concentration data. Our team at Resolian specializes in NCA and has performed hundreds of analyses ranging from small dose range findings studies, regulated toxicology studies and clinical studies (including first in human through to phase III trials). NCA provides critical information such as:

  • Maximum plasma concentration attained following dose administration (Cmax)
  • Time at which the maximum concentration was reached (tmax)
  • The area under the plasma concentration vs. time curve (AUC)
  • Clearance (a total measure of the various mechanisms by which the body removes drug, expressed as volume of blood from which all drug is removed per unit time)
  • Volume of distribution (a measure of the extent to which drug distributes out of the blood and into other tissues; a theoretical volume)
  • Half-life (time taken for concentration of drug to fall by half)
  • Renal clearance
  • Amount of drug (and / or metabolite) excreted into urine or feces
  • Fraction of dose excreted in urine or feces

Parameter values also allow us to evaluate the relationship between dose and exposure, bioavailability, the extent of accumulation of drug with repeated administration, formulation differences and variation in exposure between the sexes etc.

The illustration below (which follows extravascular administration) shows Cmax and tmax on a plot of concentration vs. time as well as the area under the curve (AUC). 

More on clearance, volume and half-life

An algebraic equation can be represented graphically on an x/y plot (for example, the equation of a straight line can be represented graphically, given initial values for slope and intercept). Conversely, an equation can be chosen to fit real life data.

The simplest pharmacokinetic scenario is one where the drug is administered intravenously into a single theoretical compartment. In this model, drug is assumed to mix/disperse instantaneously within the compartment. Concentration data for this theoretical compartment are derived from samples of blood, however it is important to note that the compartment may comprise other physiological areas into which drug disperses, such as highly perfused tissue (heart, liver, kidney etc.). However, the dispersal is instantaneous, and because drug levels are therefore homogenous across the blood and these tissues, the measurements taken from the blood following administration are assumed to be representative of the compartment as a whole. These measurements can be plotted as follows:

 

Most drugs follow first order elimination with logarithmic declines in concentration governed by a rate constant often referred to as the elimination rate constant, 𝝺z or Kel where Kel is the gradient of the line in the plots above.

The model can be represented pictorially: 

Bioanalytical data is a best estimate to which an equation can be fitted. In the above case of IV administration followed by first order elimination (and no distribution phase) the decline in concentration can best be described by the following equation:

LnC = – kel t + LnCo

or

C = Co e kel t

where C = concentration at time t; C0 = y intercept at t0 (initial concentration); kel = gradient.

This equation can be rearranged to derive an equation for half-life (t1/2, the time taken for concentration to fall by half, or to achieve 0.5*C0):

t1/2=In(0.5) / kel

The change in drug concentration in this single theoretical compartment may be described by values such as AUC, Cmax and half-life, but it is driven by physiology i.e. the volume of the “container” (volume of distribution), and the ability of the body to remove drug (total clearance, which refers to the sum of clearance mechanisms (renal clearance + hepatic clearance… etc.).

Clearance is calculated by CL = Dose / AUC0-inf

Volume is calculated by V = CL / kel

Therefore the equation of the line can also be written as:

C = Co e– CL/Vt

Note that clearance and volume require the total amount of drug that enters systemic circulation to be known. This applies after IV administration. Following extravascular administration not all of the drug will enter systemic circulation and therefore parameters are denoted CL/F and Vz/F to indicate that values are subject to bioavailability being accounted for. Where the dose administered is an amount per unit of bodyweight (e.g. 1 mg/kg), body weight of each individual subject must be factored into the calculation. Alternatively, units may be expressed per unit of body weight, e.g. L/h/kg.

Clearance and volume determine the slope of the line, and the slope of the line determines exposure of the drug, half-life etc. Clearance and volume are therefore termed primary pharmacokinetic parameters.

Note that renal clearance may be estimated following urine analysis. 

In the model described above, drug may have distributed from the plasma into other highly perfused tissues, but this movement was instantaneous, reversible and at equilibrium. However it may be that drug distributes into other tissues such as muscle and other organs.

In a two compartment IV model, there may be an initial “fast phase” or faster decline in concentrations due to the initial net movement of drug from the blood (or “central” compartment) into these other tissues. Once equilibrium is reached, the decline is known as the terminal elimination phase. Half-life is measured from a regression line fitted to this phase, and is therefore termed “terminal elimination half-life”. The slope of the line (Kel) is used to calculate volume of distribution and for extrapolation in calculation of AUC0-inf.

An example is shown below:

 

This can be represented pictorially:

In NCA, the equation C = Co e– kel t is fitted to the terminal elimination phase in order to derive parameters. The criteria used at DDS to determine acceptability of the regression line are set out clearly in our study plans. Additionally, we are always happy to give you the opportunity to review the regression lines used to calculate terminal elimination half-life. More complex equations may be fitted to describe the entire concentration vs. time curve, however this is beyond the scope of NCA and is not described here.

This guide serves as a basic overview of the typical calculations performed at DDS. For further information or to speak to one of our pharmacokineticists please contact us.

 

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The Role of OGNTs in the Personalized Medicine Revolution https://www.resolian.com/bioanalytics/the-role-of-ognts-in-the-personalized-medicine-revolution/ Thu, 11 Jul 2024 13:59:57 +0000 https://www.resolian.com/?p=4372 This paper highlights oligonucleotides (OGNTs) as a revolutionary new class of drugs in personalized medicine due to their targeted approach to genetic diseases.

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This paper highlights oligonucleotides (OGNTs) as a revolutionary new class of drugs in personalized medicine due to their targeted approach to genetic diseases.

The post The Role of OGNTs in the Personalized Medicine Revolution appeared first on Resolian.

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