Formulation Development (Taste / Dissolution / Drug Load)

Short Description:

Design formulations to balance palatability, fast/controlled disintegration & dissolution, and target drug load with high content uniformity, using QbD/DoE to define the design space (CQA vs. CPP).

Product Video Sample Diagram Performance & Features Work station details Technical Parameters

Taste masking: multi-strategy (inclusion/encapsulation/ion-exchange/sweetness layering/flavor pairing/pH tweak).
Rapid disintegration: polymer/plasticizer balance and hydrophilicity tuning; 10–30 s target.
Uniformity by design: solution/dispersion strategy with in-line thickness–weight–areal dose control.
Drug-load balance: optimize between mouthfeel, mechanical strength, and stability; support multi-strip dosing.

Excipient screening: base polymers (HPMC/PVA/Pullulan, etc.) × plasticizers × sweeteners/flavors × functional aids (wetting, mucoadhesion, permeation, pH).
Taste-masking toolbox: β-cyclodextrin inclusion, ion-exchange resins, microencapsulation, high/low-intensity sweetener pairing, cooling notes, and acidity balancing.
Disintegration & dissolution: main KPIs are disintegration (s) and t80% (min); test in simulated saliva and suitable in-vitro apparatus (e.g., modified USP II).
Size & load: common sizes 2×3 cm or 3×4 cm; 0.5–20 mg/strip typical; >30 mg requires feasibility on thickness/mouthfeel/brittleness.
Mechanical & stability: tensile strength/elongation, hygroscopicity, residual solvent, flavor retention, compatibility/migration risks.
Statistical optimization: DoE across formulation and process factors; responses = assay, CU, disintegration, sensory scores.

Metric	Target / Range	Notes
Disintegration (s)	10–30 (upper limit 60)	Core for user experience
Dissolution t80% (min)	≤5–10	API- and matrix-dependent
CU RSD	≤3% (≤5% acceptable)	Area dose × thickness control
Film thickness (µm)	40–90	Balance mouthfeel vs. mechanics
Moisture (%)	3–7	Too low = brittle; too high = tack/mold risk
Residual solvent (ppm)	As low as possible	Must meet regulations
Bitterness reduction (sensory)	≥2 grades	vs. unmasked control
Drug load (mg/strip)	0.1–30 (higher with study)	High loads need stress tests

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