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Pharmaceutical Manufacturing and Packing Sourcer

An Insight into the Suppository Manufacturing Process

The manufacturing area of semi-finished products to produce suppositories is divided into two main plants. These two plants have similar operating modes, except for the capacity of the melting and preparation vessels, which is 1000lt and 600lt in plants one and two, respectively. In turn, each plant is made up of vessels with the same capacity, in particular:

One melting vessel, which is only used to melt the fatty base and other excipients, wherever applicable in the corresponding formulation

Two preparing vessels, in which the melted mass is added with the integration of the active ingredients in the form of powder, solution or preconcentrated suspension according to the amounts and manufacturing method being used

This layout allows processing to take place in three continuous shifts, thus guaranteeing feeding of the packaging lines from the first preparing vessel while the mass, which will be used to manufacture the following product batch, is being melted in the melting vessel. During this time, the second preparing vessel, into which the melted mass will be poured and added with the active ingredient, is cleaned and dried.

Melting, cleaning, batch preparation and the capacity of the packaging lines have been conceived so as to guarantee consistency of the above-cited manufacturing flowchart with economic batches, which require about one shift on average. However, the plant can also manage larger batches.


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By Dr Sandro Parti, Senior Manager, Production, and Dr Alessio Rogai, Suppositories and Packaging Manager at Boehringer Ingelheim

Dr Sandro Parti holds a degree in Chemical Organics from the University of Florence, Italy. He has 20 years' experience in pharmaceutical industry, starting his career in the Pharmaceutical Technology Service of Menarini SpA before moving onto Chumet Spa Laboratories. He joined Boehringer Ingelheim Italia in 1988 and has been Senior Manager of Production since 2002.


Alessio Rogai has over 25 years' experience working for the pharmaceutical industry, joining Boehringer Ingelheim Italia in 1992. He has been responsible for the packaging of solid and liquid goods and the manufacture and packaging of suppositories since 2002. Alessio holds a degree in Organic Chemistry from the University of Florence, Italy.

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Dr Sandro Parti
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Alessio Rogai
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