Drug Discovery Today
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Drug dissolution: significance of physicochemical properties and physiological conditions.
Oral bioavailability of a drug is determined by a number of properties, including drug dissolution rate, solubility, intestinal permeability and pre-systemic metabolism. Frequently, the rate limiting step in drug absorption from the gastrointestinal tract is drug release and drug dissolution from th...
Brain tumor immunotherapy: seeing the brain in the body.
Brain tumor immunotherapy is often interpreted in terms of immune privilege and the blood-brain barrier (BBB), but a broader view is warranted. The delicate regulatory balance of the immune system is relevant at any site, as are the heterogeneity and plasticity of tumor growth. Criteria for tumor an...
Open Innovation in Drug Discovery research comes of age.
Delivering the promise of miRNA cancer therapeutics.
MicroRNAs (miRNAs) are pivotal post-transcriptional gene expression regulators. These endogenous small non-coding RNAs aberrantly expressed in cancer have significant roles in tumorigenesis and progression. Currently, miRNAs are being pursued as diagnostic and prognostic biomarkers, and as therapeut...
Low molecular weight heparins copies: are they considered to be generics or biosimilars?
The protection rights of low molecular weight heparins (LMWHs) are expired or are expiring, so the extent and nature of the studies required to obtain a market authorization for LMWH copies represents a hot topic. FDA classifies LMWHs as semisynthetic drugs and their copies as generics whereas the E...
Biomarkers of Parkinson's disease: current status and future perspectives.
This review summarizes major advances in biomarker discovery for diagnosis, differential diagnosis and progression of Parkinson's disease (PD), with emphasis on neuroimaging and biochemical markers. Potential strategies to develop biomarkers capable of predicting PD in the prodromal stage before the...
Challenges and recommendations for obtaining chemical structures of industry-provided repurposing candidates.
There is an expanding amount of interest directed at the repurposing and repositioning of drugs, as well as how in silico methods can assist these endeavors. Recent repurposing project tendering calls by the National Center for Advancing Translational Sciences (USA) and the Medical Research Council...
Drug discovery in pharmaceutical industry: productivity challenges and trends.
I reflect on the current status of the pharmaceutical industry and reasons for continued low productivity. An emerging 'symbiotic model of innovation', that addresses underlying issues in drug failure and attempts to narrow gaps in current drug discovery processes, is discussed to boost productivity...
The status of the art of human malignant glioma management: the promising role of targeting tumor-initiating cells.
Glioblastoma is the most prevalent and malignant form of brain cancer, but the current available multimodality treatments yield poor survival improvement. Thus, innovative therapeutic strategies represent the challenging topic for glioblastoma management. Multidisciplinary advances, supporting curre...
Gallium as a potential candidate for treatment of osteoporosis.
Gallium (Ga) is a semi-metallic element that displays antitumor, antiresorptive, anti-inflammatory and immunosuppressive properties. Among all these properties, antitumor properties were the most extensively applied and have shown efficacy in treatment of Paget's disease, myeloma and hypercalcemia i...