Purdue University & Redwire Launch Second ISS Pharmaceutical Crystallization Experiment, Exploring Microgravity’s Impact on Drug Quality

August 9, 2026

Davidson School of Chemical Engineering USA

Overview

Purdue University and Redwire have successfully launched their second series of pharmaceutical crystallization experiments aboard the International Space Station (ISS). This ongoing research aims to thoroughly investigate how the microgravity environment influences the nucleation, growth, morphology, and overall quality of pharmaceutical crystals. Insights gained from these ISS experiments are expected to be applied to optimize terrestrial drug manufacturing processes and develop higher-quality pharmaceuticals, expanding the possibilities of space-based pharmaceutical science.

In Depth

Key Findings

Purdue University’s School of Chemical Engineering and Redwire, a leading company in space manufacturing technologies, have announced the successful launch and continuation of their second series of pharmaceutical crystallization experiments aboard the International Space Station (ISS). This vital initiative aims to meticulously investigate how the microgravity environment affects the nucleation, growth, final morphology, and overall quality of pharmaceutical crystals, seeking new insights to revolutionize drug manufacturing processes on Earth.

Technical Details

In this ongoing experiment series, specific pharmaceutical candidates are selected, and their crystal growth processes are precisely monitored and analyzed under microgravity conditions. On Earth, gravity-induced convection and sedimentation can lead to non-uniform crystal growth and defects; however, in the microgravity environment of the ISS, these effects are eliminated. This is expected to enable the formation of larger, more uniform, and higher-purity crystals. The research focuses on elucidating how microgravity influences the solubility, stability, and bioavailability of pharmaceuticals through X-ray diffraction analysis of crystal structures and morphological evaluations.

Background & Context

The pharmaceutical industry faces persistent challenges in improving drug quality and manufacturing efficiency. In particular, non-uniformity in crystal structure can impact drug efficacy and safety. In-space pharmaceutical manufacturing has gained increasing attention in recent years as a potential solution to overcome these challenges and produce more effective drugs. The continuous research by Purdue University and Redwire exemplifies academic-industry collaboration in pioneering this frontier, accelerating the development of the space-based biopharmaceutical industry.

Strategic Significance & Outlook

The data derived from this second experimental series will not only quantitatively demonstrate the specific benefits microgravity manufacturing offers to pharmaceuticals but also provide new guidelines for improving terrestrial manufacturing processes. For instance, if certain crystal forms are found to maximize therapeutic efficacy, this could offer clues for precisely adjusting crystallization conditions on Earth. Ultimately, it is expected to lead to the development of pharmaceuticals with unique properties only achievable in space, as well as enhanced efficiency and quality in Earth-based manufacturing processes, contributing to better treatment options for patients. This research represents a crucial step towards establishing “space pharma” as a new pillar of the space economy.

Source: https://engineering.purdue.edu/ChE/news/2026/purdue-university-and-redwire-continue-spacebased-pharmaceutical-manufacturing-research-with-second-iss-launch

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