1. Accelerated stability studies
These studies involve subjecting the pharmaceutical product to higher temperatures and humidity levels than normal storage conditions to determine its stability over a shorter period of time.
2. Long-term stability studies
These studies involve storing the pharmaceutical product under normal storage conditions for an extended period of time, typically up to 2-3 years, to assess its stability over a longer duration.
3. Photostability studies
These studies evaluate the effect of light exposure on the stability of pharmaceutical products. The products are exposed to various light sources, such as UV light, to determine their susceptibility to degradation caused by light.
4. Freeze-thaw stability studies
These studies assess the stability of pharmaceutical products when subjected to multiple cycles of freezing and thawing. This is particularly important for products that may undergo temperature fluctuations during transportation or storage.
5. Stress testing
Stress testing involves subjecting the pharmaceutical product to extreme conditions such as high temperature, humidity, pH, or oxidation, in order to evaluate its stability under these challenging circumstances.
6. Container closure system compatibility studies
These studies examine the compatibility between the pharmaceutical product and its packaging materials (e.g., bottles, vials, blister packs) over time. They assess whether any interactions occur between the product and its container that could affect its stability.
7. In-use stability studies
These studies evaluate the stability of a pharmaceutical product after it has been opened and used according to recommended instructions (e.g., reconstitution with a diluent). They assess whether any changes occur in terms of potency, purity, or physical characteristics during use.
8. Comparative stability studies
These studies compare the stability profiles of different formulations or batches of a pharmaceutical product to identify any variations in terms of degradation rates or physical properties.
9. Intermediates and impurity profiling
Stability studies may also focus on intermediates or impurities present in the manufacturing process of a pharmaceutical product. This helps to determine their stability and potential impact on the final product.
10. Transport stability studies
These studies simulate the conditions that pharmaceutical products may encounter during transportation, such as temperature variations, vibrations, and humidity changes. They assess the product's stability under these conditions to ensure its quality is maintained during distribution.
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