- Methods
- Nasal Spray Testing
About Nasal Spray Testing
PLS Analytical delivers specialized nasal spray product testing through experienced scientists, advanced analytical instrumentation, and regulatory-focused laboratory systems designed for complex drug-device combination products. Our capabilities support in vitro characterization, bioequivalence assessment, spray performance evaluation, impurity and stability assessment, and data-driven product analysis across development and regulatory programs.
Nasal spray products require precise control over both formulation and device performance, where factors such as droplet size, plume geometry, spray pattern, dose delivery, and device functionality directly influence product performance and delivery behavior. Through scientifically controlled testing programs, we generate reliable, traceable, and submission-ready data to support product quality, performance consistency, regulatory alignment, and confident development decisions throughout the product lifecycle.
Why it matters?
Nasal spray testing is essential to ensure that products deliver the correct dose consistently, perform reliably throughout container life, and maintain uniform spray characteristics during patient use. Even small variations in spray performance, droplet size, or device actuation can impact drug delivery, efficacy and patient safety.
Testing Types
Scientific testing services designed to support reliable and compliant products
In Vitro Bioequivalency Studies
Provides comparative evaluation of test and reference nasal spray products across critical spray performance characteristics.
HAM Studies
Generates insight into human actuation behavior and its impact on spray performance, usability, and delivery consistency under real-world conditions.
Drug Product Categorization
Facilitates classification of nasal spray products based on formulation, device characteristics, and performance parameters to support testing strategies and regulatory pathways.
Single Actuation Content through Container
Confirms consistent drug delivery per actuation throughout the complete lifecycle of the container.
Plume Geometry Priming & Repriming
Characterizes spray plume shape, angle, and priming behavior to support dose consistency and delivery performance during repeated use.
Droplet / Particle Size
Performs particle and droplet size analysis to assess deposition behavior, delivery efficiency, and product performance consistency.
Device Profiling
Provides detailed evaluation of spray characteristics, actuation performance, and delivery behavior under controlled testing conditions.
Effect of Varying Flow Rate
Assesses the impact of airflow and actuation variations on spray performance and drug delivery characteristics.
Key Advantages
At PLS Analytical, testing is performed in a controlled cGMP-compliant laboratory using advanced in vitro characterization techniques and validated methodologies to generate reliable, data-driven results. It also helps ensure that nasal spray products remain stable, reproducible, and suitable for safe patient administration.
Reliable product performance evaluation
Comprehensive testing helps assess dose delivery, spray characteristics, and device functionality to ensure consistent product performance.
Supports regulatory and bioequivalence requirements
Testing approaches aligned with FDA and global regulatory expectations help support product development, submissions, and approvals.
Contact Us
Let’s explore the right support for your product
Connect with our team for reliable scientific and regulatory-focused testing support.
Address
40E Cotters Lane, Suite A, East Brunswick, NJ-08816
Telephone
+1 (732) 698-5050Our Methods
Robust testing services for transformative outcomes





