We have the formulation development expertise to tailor your API for optimal solubility, bioavailability, and permeability. We are proficient in a large range of oral dose forms, supported by broad clinical knowledge and a regulatory track record that will shorten formulation development time. Our fast dissolve and controlled release can further enhance your product’s performance. 

We can customize our services according to your requirements and support your project through its entire lifecycle – from development to supply.

Learn more about how the following can impact your project at the formulation development stage:

A scientist doing formulation development in a lab


  • Initial Challenges: The journey of formulation development begins with a complex maze of scientific and regulatory considerations. Early stage problems can set a precedent for future obstacles, making it crucial to approach this phase with meticulous planning and foresight.
  • Test Errors: Precision is key in the formulation development process. Slip-ups in early tests can cascade into significant issues, potentially compromising the integrity of the project.
  • Timing: Synchronizing every phase of formulation development is essential. Timing errors can disrupt the entire development timeline, causing delays that extend beyond initial projections.
  • Patient-Centric: At the heart of formulation development is the end-user — the patient. Ignoring patient needs can lead to a disconnect between the therapy’s design and its real-world application, undermining the formulation development’s ultimate goal.
  • Efficiency: The pace of formulation development can dictate its success. A lack of quickness and efficiency can introduce a host of issues, from choosing the wrong therapy to mismanaging resources.
  • Therapeutic Selection: The cornerstone of formulation development is selecting the right therapeutic agent. An unsuitable choice can lead to wasted time and resources, emphasizing the need for strategic decision-making.
  • Optimization: Bad formulas can be the Achilles’ heel of a therapy. In formulation development, ensuring the correct composition is paramount to enhance the therapy’s effectiveness.
  • Dosing Accuracy: The impact of a therapy hinges on proper dosing. Incorrect dosing can render a treatment ineffective or, worse, harmful.
  • Data Integrity: The backbone of formulation development is reliable data. Damage to research data can derail the project and invalidate results.
  • Project Continuity: Delays in formulation development can be more than just a temporary setback. They can significantly extend the project timeline, affecting all subsequent stages.
  • Renejix’s Expertise: With a comprehensive approach, Renejix’s experts streamline the therapy development process. Their expertise covers the entire spectrum, from candidate selection to the delivery of clinical materials, ensuring a safer and more efficient path to market.
  • Regulatory Strategy: Navigating the regulatory landscape is essential. Our team provides comprehensive guidance on regulatory requirements to ensure that your formulation is compliant and ready for clinical trials.
  • Regulatory Compliance: Navigating the regulatory landscape is a critical aspect of formulation development. Ensuring compliance with all relevant guidelines is essential for a smooth approval process.
  • Sustainability: Incorporating sustainable practices into formulation development is becoming increasingly important. It involves considering the environmental impact of materials and processes used in the development of new therapies.
  • Collaboration: Successful formulation development often requires collaboration across various disciplines. Engaging with experts in different fields can bring fresh perspectives and innovative solutions to complex challenges.
  • Patient Advocacy: Involving patient advocacy groups in formulation development can provide valuable insights into patient experiences and needs, leading to more patient-centered therapies.
  • Technology Integration: Leveraging cutting-edge technology can enhance formulation development processes, from computational modeling to advanced analytical techniques, leading to more precise and effective therapies.

Benefits of Formulation Development

  • Innovative Technologies: Leveraging proprietary technologies is pivotal in enhancing therapeutic outcomes and improving patient compliance. These innovative approaches are integral to the formulation development process, ensuring superior product performance.
  • Prototyping: Our rapid prototyping capabilities allow for swift iteration and refinement of drug formulations, helping to identify the most promising candidates for further development.
  • Expert Scientists: Our team of expert scientists excels in tackling the formulation development challenges associated with potent and complex compounds. Their seasoned experience is a cornerstone in navigating the intricacies of formulation development.
  • Customized Dosage Forms: Selecting the appropriate dosage form is a critical decision in formulation development. Our range includes:
    • Tablets: Offering a spectrum of tablets such as immediate-release, sustained-release, delayed-release, film-coated, layered, and orally disintegrating, each tailored to meet specific formulation development criteria.
    • Capsules: Available in powder or granule fill, our capsules are designed to align with your active pharmaceutical ingredient (API) and formulation development needs.
    • Powders: Conveniently packaged in sachets or provided as powder in a bottle, these are formulated for ease of use and precision in formulation development.
    • Pellets: Versatile in application, pellets can be integrated into tablets or filled into capsules, offering flexibility in formulation development strategies.
    • Liquids: Our liquid range includes solutions, suspensions, and emulsions, each meticulously developed for stability and efficacy.
    • Specialty Liquids: Specialized systems like microemulsions and self-emulsifying systems are part of our advanced formulation development portfolio.
  • State-of-the-Art Facilities: Our first-class facilities adhere to global compliance standards, ensuring that every aspect of formulation development is conducted under the highest quality conditions.
  • Personalized Project Management: Each project is managed with a personalized approach, ensuring that all client needs are met with precision and attention to detail.
  • Strategic Regulatory Planning: Our strategic regulatory planning and support are tailored to navigate the complex regulatory landscape, facilitating a smoother formulation development journey.
  • Analytical Services: Our comprehensive analytical services are a foundational support system for the formulation development process. They provide critical insights into the physical and chemical properties of compounds, ensuring that every aspect of formulation development is informed by precise data.
  • Scale-Up and Tech Transfer: Expertise is crucial when scaling up from lab to production and transferring technology. Our formulation development team manages these processes with precision, guaranteeing seamless transitions throughout the development lifecycle.

Our Formulation Development Services

We provide a full-range of formulated study supplies and services:

  • Preclinical (GLP toxicology)
  • Prototype formulation development screening studies
  • “First in Man” studies
  • Phase I – Phase III clinical
  • Formulation/process optimization
  • Scale-up/technology transfer
  • Commercial manufacturing technical support

Patient-Centric Formulations: At the end of the day, it’s all about the patient. Our formulation development process is patient-centric, focusing on creating drug products that are not only effective but also convenient and accessible. We consider factors such as dosing frequency, route of administration, and patient lifestyle to ensure that our formulations meet the real-world needs of those they are intended to help.

Pediatric Formulations: Pediatric patients require special consideration in drug formulation development to ensure safety, efficacy, and adherence. We develop pediatric formulations that are age-appropriate and palatable, without compromising the drug’s pharmacological profile. Our formulations consider the developmental changes that occur from infancy to adolescence, offering flexible dosing options such as mini-tablets and multi-particulate systems that can be easily administered and adjusted according to the child’s weight and age. Taste-masking technologies and attractive packaging designs are also employed to make the medication more acceptable to young patients.

Geriatric Formulations: Geriatric patients often face multiple chronic conditions, leading to polypharmacy and the increased risk of drug interactions. Our geriatric formulation development services focus on simplifying medication regimens through multi-drug combination products that reduce pill burden. We also prioritize the development of formulations with modified release profiles to accommodate the altered pharmacokinetics and pharmacodynamics seen in the elderly population. Additionally, we ensure that our drug products are designed with ease of use in mind, featuring easy-to-open packaging, clear labeling, and administration aids to support independence in medication management.

Targeted Drug Delivery: Our targeted drug delivery systems are engineered to deliver medication precisely where it’s needed, maximizing therapeutic effects while minimizing side effects. Utilizing advanced technologies such as ligand-targeted liposomes and nanoparticles, we can direct drugs to specific tissues, cells, or even intracellular compartments. This precision medicine approach is particularly beneficial for conditions like cancer, where it’s crucial to destroy malignant cells without harming healthy tissue. Our targeted delivery systems are also designed to respond to specific stimuli within the body, such as pH changes or enzyme activity, to release the drug at the optimal time and location.

Formulation Development Capabilities

  • Turnkey Oral Dosage Development and Manufacturing: Our two state-of-the-art plants are dedicated to the entire spectrum of formulation development, from initial concept to full-scale manufacturing, ensuring a seamless transition through all stages of oral dosage creation.
  • Research and Development: The cornerstone of our operation, the R&D department, spearheads formulation development, pushing the boundaries of pharmaceutical science to create innovative oral dosage solutions.
  • Pilot Line: Our pilot line is a testament to our commitment to scalable formulation development, bridging the gap between experimental batches and full-scale production with precision and care.
  • Commercial Line with Controlled Drug Capabilities: The commercial line’s robust formulation development capabilities allow for the handling and manufacturing of controlled drugs, adhering to the strictest regulatory standards.
  • FDA Audited: Our facilities have been audited by the FDA, affirming our adherence to the rigorous standards required for high-quality formulation development and manufacturing practices.
  • Compliance: We pride ourselves on our compliance record, with formulation development processes that consistently meet and exceed quality and regulatory requirements.
  • Category I-IV Solvent-Based Processing: Our formulation development expertise encompasses solvent-based processing for Categories I-IV, enabling us to work with a wide array of compounds and delivery systems.
  • Low-Humidity/Moisture Requirements: Specializing in formulation development that meets low-humidity and moisture-sensitive requirements, we ensure the stability and integrity of hygroscopic and moisture-sensitive products.
  • DEA Controlled Substances (Schedule I – V): Our formulation development and manufacturing processes are equipped to handle DEA controlled substances across all schedules, ensuring compliance with federal regulations.
  • Light-Sensitive Compound Handling: Expertise in formulation development for light-sensitive compounds allows us to implement specialized procedures to protect these delicate substances from photodegradation.
  • Non-Sterile Dosage Form Development: Our formulation development services extend to non-sterile dosage forms, providing safe, effective, and regulatory-compliant oral drug products.
  • Extrusion and Spheronization: These advanced formulation development techniques enable us to produce spherically agglomerated particles, ideal for controlled-release dosage forms.
  • High-Shear Wet Granulation: Our high-shear wet granulation process is a critical step in formulation development, producing uniform granules that lead to consistent final products.
  • Blending: Precision blending is crucial in our formulation development to ensure the uniform distribution of each ingredient within the oral dosage form.
  • Tablet Compression: Tablet compression is a key capability in our formulation development, allowing us to produce tablets with precise weight, hardness, and dissolution characteristics.
  • Perforated Pan Tablet Coating: Our perforated pan coating technique in formulation development ensures even coating distribution, enhancing tablet stability and modifying drug release.
  • Fluid Bed Processing: Fluid bed processing in formulation development offers versatility for granulation, drying, and coating, critical for achieving desired product characteristics.
  • Dry Granulation: Our dry granulation capabilities, including roller compaction and slugging, are integral to our formulation development for products sensitive to heat and moisture.
  • High-Speed Tablet Compression: High-speed tablet compression in our formulation development allows for efficient production while maintaining tablet quality and uniformity.
  • Automated Capsule Filling: Automated capsule filling for powders, granules, and pellets showcases our advanced formulation development and manufacturing capabilities.
  • Microencapsulation: Microencapsulation is a specialized formulation development technique used to protect active ingredients, control release rates, and mask flavors or odors.
  • Pediatric Dosage Forms: Our formulation development includes creating pediatric dosage forms that are safe, effective, and tailored to the unique needs of children.
  • Taste-Masking: Taste-masking techniques in our formulation development ensure that oral dosage forms are palatable, improving patient compliance and satisfaction.
  • Semi-Solids Processing: Our semi-solids processing capabilities support the formulation development of creams, gels, and ointments, expanding our range of dosage form offerings.
  • Liquid Processing: Liquid processing is a vital part of our formulation development, enabling the creation of syrups, suspensions, and solutions with precise dosing and palatability.
  • Small-Scale Commercial Manufacturing: We provide small-scale commercial manufacturing for non-sterile dosage forms, allowing for flexibility in formulation development and early market entry.

Bioavailability Enhancement

  • Bioavailability Challenges: The absorption of new drugs is a critical factor in clinical development. Many compounds face bioavailability challenges, failing to absorb effectively within the body, particularly at higher doses which are crucial for therapeutic efficacy.
  • Assessment: Utilizing the Developability Classification System, we assess the solubility and dissolution rates of drugs. This system aids in identifying potential bioavailability issues early in the formulation development process.
  • Screening: Our formulation development experts employ a parallel screening approach. This method expedites the identification of viable strategies to enhance drug absorption, ensuring a robust formulation development pathway.
  • Stability Testing: Conducting short-term stability tests is an integral part of formulation development. We provide prototypes for pharmacokinetic (PK) testing, facilitating on-site evaluation and further refinement of the formulation development process.
  • Tailored Recommendations: Post-PK analysis, we offer tailored formulation development advice. This encompasses stability considerations, safe dosage parameters, and exposure levels, ensuring a well-informed formulation development strategy.
  • Informed Decisions: Our formulation development recommendations are grounded in robust data. This empowers you to make informed decisions, particularly when selecting the right approach for Phase I clinical studies.
  • Customized Solutions: We specialize in creating bespoke solutions tailored to your drug’s unique characteristics. Whether it’s a lipid-based formula, amorphous dispersion, particle size reduction, or the application of nanotechnology, our formulation development services are designed to address the specific needs of your compound.
  • Advanced Coating Technologies for Oral Solids: Our advanced coating technologies for oral solids enhance product stability, control release profiles, and improve patient acceptability, ensuring the success of your OSDs in the market.
  • Solubility Enhancement: A key strategy in overcoming bioavailability challenges is enhancing the solubility of drugs. Our formulation development team employs various techniques, such as salt formation and co-solvent systems, to improve drug solubility.
  • Permeability Optimization: To increase the effectiveness of drugs, optimizing their permeability is crucial. Our formulation development efforts include prodrug conversion and the use of permeation enhancers to facilitate better drug uptake.
  • Pharmacokinetic Modeling: We utilize advanced pharmacokinetic modeling to predict and understand drug behavior within the body. This critical insight guides the formulation development process, optimizing drug delivery and absorption.


We have two plants dedicated to turnkey oral dosage development and manufacturing

  • Research and development
  • Pilot line
  • Commercial line with controlled drug capabilities
  • FDA audited
  • Our four oral solids facilities have strong track records for both quality and regulatory compliance.
  • Category I-IV and solvent-based processing
  • Extrusion and spheronization
  • Commercial high shear granulation
  • Blending
  • Tablet compression
  • Hardshell capsule filling
  • Pan-coating
  • Fluid bed
  • Compliance
  • Commercial high-shear granulation
  • Blending
  • Dry granulation
  • Tablet compression
  • Hardshell capsule filling
  • Capabilities
  • Non-sterile oral dosage form development
  • Analytical support for oral dosage form development
  • Small-scale commercial manufacturing for non-sterile oral dosage forms

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Here are some frequently asked questions about Formulation development

What is pharmaceutical formulation development?

 Pharmaceutical formulation development is a critical phase in drug development where a drug's active pharmaceutical ingredient (API) is combined with other substances (excipients) to create a final medicinal product that is safe, effective, and stable. The process involves designing the composition of the drug and the process of its manufacture to ensure optimal drug delivery, bioavailability, and patient compliance. Formulation development can encompass a wide range of dosage forms, including tablets, capsules, injectables, and topicals, among others.

Why is formulation development important?

Formulation development is essential for translating active pharmaceutical ingredients into therapeutic products that can be consistently manufactured and administered to patients. It ensures that the medication delivers the API in the correct dosage, release rate, and absorption method to achieve the desired therapeutic effect. Additionally, formulation development addresses challenges such as API stability, solubility, and taste masking, enhancing patient compliance and the overall success of the medication.

What services are included in formulation development?

Formulation development services include:

Pre-formulation studies to characterize the physical and chemical properties of the API.

Formulation strategy development to identify the best dosage form and composition.

Prototype development for initial testing and evaluation.

Process development to define and optimize manufacturing steps.

Stability studies to determine the shelf life and storage conditions.

Regulatory support to ensure compliance with industry standards and guidelines.

Scale-up support for transitioning from laboratory to commercial production.

How does a CDMO approach complex formulation challenges, such as poor solubility?

A CDMO approaches complex formulation challenges by leveraging advanced technologies and innovative strategies. For poor solubility, techniques such as nanoparticle formulation, solid dispersions, lipid-based delivery systems, and salt formation are employed to enhance the dissolution rate and bioavailability of the drug. Each approach is carefully evaluated through feasibility studies and optimization trials to identify the most effective solution for the specific API and therapeutic application.

Can a CDMO support both small-scale and large-scale formulation development?

Yes, a CDMO can support both small-scale and large-scale formulation development. For early-stage development, small-scale formulation efforts focus on rapid prototyping and testing to identify promising candidates. As the development progresses towards commercialization, the CDMO scales up the process, ensuring that the formulation remains consistent and effective at larger volumes. This scalability support is crucial for a smooth transition from clinical trials to market launch.

What role do excipients play in formulation development?

Excipients play a vital role in formulation development by supporting the delivery of the API and enhancing the overall stability, usability, and acceptability of the final product. They can serve various functions, including bulking agents, binders, disintegrants, solubilizers, and preservatives. The selection of excipients is based on their compatibility with the API and their impact on the desired dosage form's performance, ensuring optimal efficacy and patient compliance.

How does a CDMO ensure the quality and regulatory compliance of developed formulations?

 A CDMO ensures the quality and regulatory compliance of developed formulations through strict adherence to Good Manufacturing Practices (GMP) and regulatory guidelines from agencies such as the FDA and EMA. This includes rigorous testing of the API and excipients, validation of manufacturing processes, stability testing, and thorough documentation at every stage of development. The CDMO also stays updated on regulatory changes to ensure that all formulations meet the highest standards for safety, efficacy, and quality.

What types of dosage forms can a CDMO develop?

A CDMO can develop a wide range of dosage forms, including:


Solid oral dosage forms: Tablets, capsules, and powders.

Semi-solid forms: Creams, ointments, and gels.

Liquid forms: Solutions, suspensions, and emulsions.

Injectables: Solutions, suspensions, and lyophilized powders.

Advanced delivery systems: Transdermal patches, inhalers, and implantable devices.

This versatility allows for tailored drug delivery solutions to meet specific therapeutic and patient needs.

How do formulation development services integrate with other CDMO services?

Formulation development services integrate seamlessly with other CDMO services, providing a comprehensive solution from concept to commercialization. This includes analytical method development, clinical trial material manufacturing, regulatory support, and commercial-scale production. The integrated approach ensures consistency and efficiency throughout the drug development process, facilitating a smoother regulatory approval path and faster market entry.

How can a pharmaceutical company start a formulation development project with a CDMO?

To start a formulation development project with a CDMO, pharmaceutical companies typically begin with a consultation to discuss the project's goals, timelines, and specific requirements. This is followed by the signing of confidentiality agreements to protect proprietary information. The CDMO then conducts a feasibility assessment, proposing a development plan and budget. Once agreed upon, the project kicks off with a dedicated team of scientists and project managers working closely with the client to ensure the project's success, from initial formulation development through to commercial manufacturing and regulatory submission.