What Is Needle-Free Injection
Needle-free injection is a drug delivery approach that replaces traditional needles with a controlled micro-jet to administer injectable therapies—without altering the drug itself.
In pharmaceutical development, needle-free delivery is typically evaluated as a delivery format option, allowing programs to explore alternative administration strategies while preserving existing formulations and CMC frameworks.
Is Your Drug Technically Suitable for Needle-Free Delivery?
Formulation Viscosity
Liquid formulations up to ~3000 cP
Dose Format
Single-dose delivery ≤ 1 mL
Injection Route
Intradermal, subcutaneous,
or intramuscular compatible
Primary Development Objective
Why pharmaceutical teams explore needle-free delivery
Lifecycle differentiation & patent-cliff defense
Create a device-enabled “upgrade path” that supports line extension, differentiation, and retention of market share when competition intensifies.
Enablement for challenging formulations
Support programs facing injection-pain/force constraints or high-viscosity trends—without changing the drug itself (device-side solution).
Patient adoption & persistence improvement
Reduce needle burden and injection anxiety to support better real-world compliance—especially in chronic self-injection settings.
Faster or more
controllable onset
Explore delivery-profile tuning (e.g., earlier absorption window) for therapies where time-to-effect matters.
Dose-sparing / route strategy (when relevant)
For certain vaccines and immunology programs, intradermal strategies can support dose-sparing approaches under appropriate clinical/regulatory frameworks.
Operational & safety benefits in administration
Reduce sharps-related handling risks and simplify use in controlled or high-throughput settings where applicable.
By May 2025, 60 articles have been published in domestic and in foreign journals, including 13 SCI articles, with a total impact factor of 107+.
This study found that needle-free insulin injection (NFII) significantly improved fasting glucose variability and reduced basal insulin needs compared to conventional pens in type 2 diabetes patients. The results suggest NFII enhances insulin absorption, providing more stable glucose control and potential benefits for diabetes management.
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This study found that needle-free insulin syringes effectively controlled fasting blood glucose in early-onset type 2 diabetes patients while causing less pain and fewer skin reactions than conventional pens. The findings suggest they may improve patient well-being, compliance, and overall diabetes management.
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This study found that the QS-M needle-free jet injector delivered insulin lispro with faster absorption and a stronger early glucose-lowering effect than conventional pens, closely mimicking natural insulin secretion. Despite the quicker action, overall insulin exposure was similar, and no local adverse reactions were observed, supporting its effectiveness and safety.
LEARN MOREThis study found that the QS-M needle-free jet injector delivered insulin lispro with faster absorption and a stronger early glucose-lowering effect than conventional pens, closely mimicking natural insulin secretion. Despite the quicker action, overall insulin exposure was similar, and no local adverse reactions were observed, supporting its effectiveness and safety.
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This study showed that needle-free injection (NFI) of mRNA-LNP COVID-19 vaccines produced stronger immune responses, with higher neutralizing antibody levels, than traditional needle injection. NFI also reduced pain, maintained vaccine stability, allowed flexible administration routes, and supported split-dose delivery, making it a safe and effective alternative for vaccination.
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Next Step: Discuss Your Program
If needle-free delivery may be relevant to your program, the next step is a confidential, project-specific discussion.
We work with pharmaceutical teams to assess drug–device fit, development feasibility, and execution pathways—aligned with your formulation strategy, clinical plan, and long-term objectives.
Initial discussions are exploratory and non-binding, and focus on understanding your program context rather than proposing predefined solutions.