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Alveolar in vitro model for toxicity analysis

Get peace of mind with our award winning patented technology. Our human in vitro model allows for the first time the identification and differentiation of respiratory sensitizers and respiratory irritants under air-liquid interphase realistic exposure conditions.

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Scientific rigour is our raison d'être

Invitrolize was born out of academia, and our team is composed of highly qualified researchers and scientists. We are a spin-off from the Luxembourg Institute of Science and Technology. We rely on data and facts for our product development and innovation. We develop products you can trust.

In vitro innovation, production, and sale

Our main activity is developing, producing, and selling our in vitro model ALIsens for toxicity and drug testing analysis. If you are a CRO interested in becoming part of our network or a company with the required facilities to carry out your own studies, you can learn more about our in vitro models by clicking on the button below.

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Testing services through our partner network

Invitrolize is focused on insert manufacturing and developing new models as part of our commitment to expand our products and services portfolio. We sell our inserts to our CRO partners so they can offer the best respiratory toxicity and drug testing results in the market. Interested in talking to one of our partners? Contact us.

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ALIsens in a nutshell

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We help you to identify respiratory irritants and sensitizers early in product development.

For the first time our patented in vitro model allows the prediction of respiratory sensitization under realistic exposure conditions, i.e., exposure of cells cultured at the air-liquid interphase using exposure systems suitable for all types of airborne materials.

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    Complex 3D model with proven high specificity of >95%.

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    Valid for toxicological testing.

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    Submitted to EURL ECVAM for prevalidation.

What they say about us

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Invitrolize provides an exciting opportunity to assess challenging chemicals for challenging endpoints in respiratory toxicity with human-relevant approaches. They are grounded in science while having a clear view of regulatory application to advance toxicology, and we are excited to work with them

- Kristie Sullivan, MPH, Vice President for Research Policy.

Applications of our alveolar model for hazard assessment

 

pharma

Pharma

Inhalable drugs - hazard assessment very early in drug candidate identification.

cosmetic

Cosmetics

Many of these products are sprayed and then inhaled - so nothing to worry about?

chemical

Chemical Industry

Concerned to find out in some years that new products have hazardous properties?

food

Food

What happens after inhalation of foodborn proteins and other allergens?

environment

Environment

Citizens are exposed to many chemicals and (nano)particles indoor and outdoor - and all is safe?

product

Consumer products

Sure that your customers are not inhaling anything hazardous?

manufacturing

Manufacturing

Are your workers exposed to inhalable chemicals or particles and are you aware about the hazard?

crop

Crop protection

What is the hazard of sprayed new chemicals upon inhalation for farmers or operators during its production?

tobacco

Tobacco

Wondering about sensitzing potential of new ingredients or products?

Award Winning Technology

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*Scientists involved in the ALIsens tech were LIST employees at that time.

  • What is the sensitivity, specificity and accuracy for the sensitization and irritation models?
    ALIsens is a young technology but has currently identified all tested chemicals correctly. The model correctly identified the pro-haptens, Ethylenediamine and Piperazine as respiratory sensitizers, chemicals which have been reported as false negative in other assays. It is clear to us that sooner or later any test will provide false positive and false negative results and we will report such limitations immediately here.
  • How robust is the model?
    Data obtained by different operators show that given proper training results obtained by different persons are comparable. The models have been shipped to academic institutions within various research projects and data obtained after shipment have been shown to be identical to the ones obtained in our premiss.
  • How can I apply the results to hazard identification?
    The obtained results will give you information on the hazard that a certain tested chemical has the potential to induce respiratory sensitization. We are currently working to see whether a potency assessment is possible. The results can guide your product development to select molecules with lower hazard.
  • How can I apply the results to an operator/ consumer/ patient risk assessment?
    The test results will give you an indication of the hazard that a certain compound has the potential to induce respiratory sensitization or is irritating to the alveolar region of the lung.
  • Can ALIsens be used for other applications e.g. fibrotic potential or new drugs for lung fibrosis?
    We are currently exploring the possibilities to detect early markers of fibrosis and efficacy of drugs for the treatment of fibrosis in our models together with an academic partner. In case you are interested in this question, please contact us to discuss further details of our progress or how you can be involved in development projects.
  • Who are the CRO partners and how can I contact them?
    We are currently in discussion with CROs on adding ALIsens to their portfolio. We are also happy to discuss this with the CRO of your choice. If you are interested in partnering us to offer the ALIsens model for lung sensitization and irritation, please contact us.
  • How long does the assay take from receipt of test item to sharing the results with me?
    Usually, the pre-screening and final testing including the necessary technical and biological replicates can be done with 4-6 weeks/ chemical. The schedule will be communicated to you as this will be based on the number of chemicals to be tested.
  • Are there other models that can be run in parallel as a testing battery?
    ALIsens inserts can be exposed in parallel with primary cell-based models for the airways commercially available. Results of these models can also be evaluated together in a holistic approach considering that some models are based on primary cells while ALIsens is based on cell lines.
  • When will this model enter formal validation and when should we expect this to be completed?
    ALIsens has been submitted to EURL ECVAM in August 2019. In November 2020, we received the notification of the pre-submission outcome following PARERE consultation and were invited to submit a revised version. An eventual submission to OECD is envisaged for 2023.
  • Are there plans for IATA or OECD test guidelines?
    In 2022 a few countries submitted a standard project submission form (SPSF) to the OECD proposing a detailed review paper on respiratory sensitization. An eventual submission of the SPSF for a test guideline on respiratory sensitization to OECD is envisaged for 2023 or 2024.
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Our Office

41 rue du Brill
L-4422 Belvaux
Luxembourg

+352 621 403 203

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