Medicines vs stimulants
Risks of improper storage of medicinal cannabis and the importance of humidity regulators (Boveda/Integra)
1. Introduction
Medicinal cannabis is used for various indications, including
pain therapy, spasticity and appetite enhancement. However, due to its herbal nature
, cannabis is susceptible to microbiological changes, especially when stored
improperly. A key risk here is mold growth, which can impair both the efficacy and
the safety of use.
Medical cannabis is a medicinal product that does not require a marketing authorization and is not
a stimulant.
2. Use of humidity regulators
Humidity regulators such as Boveda or Integra packs are commercially available systems for
controlling the relative humidity in closed containers. They were primarily developed for
applications such as food and tobacco (cigars) and are not approved
pharmaceutical excipients as defined by pharmaceutical regulations.
3Lack of pharmaceutical validation
In contrast to pharmaceutical primary packaging or validated storage systems
, these products are subject to:
– No regulatory approval as a medical device or pharmaceutical ingredient
– No GMP-compliant (Good Manufacturing Practice) validation processes for
direct use with pharmaceuticals
– No standardized testing for interactions with cannabis flowers (e.g.
terpene profiles, active ingredient stability)
– No batch-specific pharmaceutical quality assurance in the context of medical use
– Contamination during handling
This means that their suitability for ensuring the pharmaceutical quality of
medical cannabis is not evidence-based according to pharmaceutical standards.
4. potential risks in the medical context
The use of non-validated humidity regulators can result in the following risks:
– Uncontrolled moisture deviations (e.g. incorrect pack size or defective packs)
– Influence on microbial stability if target ranges are not precisely adhered to
– Lack of evidence of material compatibility (e.g. possible release or adsorption of volatile substances)
– No traceability in the pharmaceutical sense (batch documentation, auditability)
Cannabis flowers contain organic material with residual moisture and thus provide a
suitable breeding ground for microorganisms, molds (e.g. Aspergillus species).
Therefore, if cannabis is stored in non-airtight containers or in an excessively humid environment, e.g. due to the improper use of humidity regulators, the residual moisture
can increase and promote the proliferation of fungal spores.
Controlled, validated storage is particularly important for vulnerable patient groups. It is therefore crucial that pharmacies emphasize proper storage when dispensing
medicinal cannabis medicines. Should patients decide to store
medicinal products in a way that deviates from the recommended storage conditions, this is the
responsibility of the user.
Conclusion
Boveda and Integra moisture regulators are not pharmaceutically validated and are not specifically approved for
use with medicinal products. Their use in the context of medicinal cannabis therefore represents
a non-standardized measure that does not offer any guaranteed assurance of quality,
efficacy and microbiological safety in terms of pharmaceutical requirements.