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De novo design systems provide powerful methods to suggest a set of novel structures with high estimated binding affinity. One deficiency of these methods is that some of the suggested structures could be synthesized only with great difficulty. We devised a scoring method that rapidly evaluates synthetic accessibility of structures based on structural complexity, similarity to available starting materials and assessment of strategic bonds where a structure can be decomposed to obtain simpler fragments. These individual components were combined to an overall score of synthetic accessibility by an additive scheme. The weights of the scoring function components were calculated by linear regression analysis based on accessibility scores derived from medicinal chemists. The calculated values for synthetic accessibility agree with the values proposed by chemists to an extent that compares well with how chemists agree with each other.

Pancreatic enzyme replacement therapy in patients with chronic pancreatitis not only reduced the extent of steatorrhea and pain, but also significantly improved a variety of other symptoms and the patient's QoL. Individually tailored enzyme replacement therapy improved the QoL not only in the untreated chronic pancreatitis patients, but also in the inadequately treated group. This study demonstrated that the EORTC QLQ-C30 questionnaire, with the addition of two further questions about steatorrhea, is a useful tool for the evaluation of QoL in patients with chronic pancreatitis.

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