National Cancer Institute Alliance for nanotechnology in cancer-Catalyzing research and translation toward novel cancer diagnostics and therapeutics

A review of FDA approved drugs and their formulations for the treatment of breast cancer

Breast cancer is one of the most diagnosed solid cancers globally. Extensive research has been going on for decades to meet the challenges of treating solid tumors with selective compounds. This article aims to summarize the therapeutic agents which are either being used or are currently under approval for use in the treatment or mitigation of breast cancer by the US FDA, to date. A structured search of bibliographic databases for previously published peer-reviewed research papers on registered molecules was explored and data was sorted in terms of various categories of drugs used in first line/adjuvant therapy for different stages of breast cancer. We included more than 300 peer-reviewed papers, including both research and reviews articles, in order to provide readers an useful comprehensive information. A list of 39 drugs are discussed along with their current status, dose protocols, mechanism of action, pharmacokinetics, possible side effects, and marketed formulations. Another interesting aspect of the article included focusing on novel formulations of these drugs which are currently in clinical trials or in the process of approval. This exhaustive review thus shall be a one-stop solution for researchers who are working in the areas of formulation development for these drugs.

Critical review of nucleic acid nanotechnology to identify gaps and inform a strategy for accelerated clinical translation

With numerous recent advances, the field of therapeutic nucleic acid nanotechnology is now poised for clinical translation supported by several examples of FDA-approved nucleic acid nanoformulations including two recent mRNA-based COVID-19 vaccines. Within this rapidly growing field, a new subclass of nucleic acid therapeutics called nucleic acid nanoparticles (NANPs) has emerged in recent years, which offers several unique properties distinguishing it from traditional therapeutic nucleic acids. Key unique aspects of NANPs include their well-defined 3D structure, their tunable multivalent architectures, and their ability to incorporate conditional activations of therapeutic targeting and release functions that enable diagnosis and therapy of cancer, regulation of blood coagulation disorders, as well as the development of novel vaccines, immunotherapies, and gene therapies. However, non-consolidated research developments of this highly interdisciplinary field create crucial barriers that must be overcome in order to impact a broader range of clinical indications. Forming a consortium framework for nucleic acid nanotechnology would prioritize and consolidate translational efforts, offer several unifying solutions to expedite their transition from bench-to-bedside, and potentially decrease the socio-economic burden on patients for a range of conditions. Herein, we review the unique properties of NANPs in the context of therapeutic applications and discuss their associated translational challenges.

Emerging digital technologies in cancer treatment, prevention, and control

The very first issue of the journal of Translational Behavioral Medicine (TBM) was dedicated, in part, to the theme of Health Information Technology as a platform for evidence implementation. The topic was timely: legislation in the USA was passed with the intent of stimulating the adoption of electronic health records; mobile smartphones, tablets, and other devices were gaining traction in the consumer market, while members within the Society of Behavioral Medicine were gaining scientific understanding on how to use these tools to effect healthy behavior change. For the anniversary issue of TBM, we evaluated the progress and problems associated with deploying digital health technologies to support cancer treatment, prevention, and control over the last decade. We conducted a narrative review of published literature to identify the role that emerging digital technologies may take in achieving national and international objectives in the decade to come. We tracked our evaluation of the literature across three phases in the cancer control continuum: (a) prevention, (b) early detection/screening, and (c) treatment/survivorship. From our targeted review and analyses, we noted that significant progress had been made in the adoption of digital health technologies in the cancer space over the past decade but that significant work remains to be done to integrate these technologies effectively into the cancer control systems needed to improve outcomes equitably across populations. The challenge for the next 10 years is inherently translational.

Stimuli-Responsive Iron Oxide Nanotheranostics: A Versatile and Powerful Approach for Cancer Therapy

Recent advancements in unravelling elements of cancer biology involved in disease progression and treatment resistance have highlighted the need for a holistic approach to effectively tackle cancer. Stimuli-responsive nanotheranostics based on iron oxide nanoparticles are an emerging class of versatile nanomedicines with powerful capabilities to "seek, sense, and attack" multiple components of solid tumors. In this work, the rationale for using iron oxide nanoparticles and the basic physical principles that impact their function in biomedical applications are reviewed. Subsequently, recent advances in the integration of iron oxide nanoparticles with various stimulus mechanisms to facilitate the development of stimuli-responsive nanotheranostics for application in cancer therapy are summarized. The integration of an iron oxide core with various surface coating mechanisms results in the generation of hybrid nanoconstructs with capabilities to codeliver a wide variety of highly potent anticancer therapeutics and immune modulators. Finally, emerging future directions and considerations for their clinical translation are touched upon.

Delivery of RGD-modified liposome as a targeted colorectal carcinoma therapy and its autophagy mechanism

Liposomes are among the most extensively applied drug carriers due to their excellent biocompatibility, controllable size and ease of modification. In the present study, we prepared untargeted liposomes (LP) and targeting liposomes modified with Arg-Gly-Asp (RGD-LP), and Doxorubicin Hydrochloride (DOX) or fluorescent probe was loaded. RGD-LP/DOX was identified to be uniformly spherical in size 131.2 ± 2.7 nm. Based on flow cytometry analysis and the confocal laser scanning microscopy, RGD-LP had a higher uptake into HRT-18 colorectal cancer cells than LP. Further, in vivo imaging study further suggested that RGD-LP could significantly increase the liposome accumulation in the tumour tissues of the mice bearing subcutaneous tumours. By investigating the targeting mechanism of RGD-LP, we found that they entered the cell via macropinocytosis. When loaded with DOX, RGD-LP exerted stronger tumour growth inhibitory activity against tumours of colorectal carcinoma compared to LP. Moreover, RGD-LP induced autophagy. Therefore, RGD-LP have the potential to be applied as a targeted colorectal carcinoma therapy.

Perspectives on the Future of Nanomedicine to Impact Patients: An Analysis of US Federal Funding and Interventional Clinical Trials

The US and governments around the world, and companies, have made a considerable investment in nanomedicine, and there have been important discoveries. Nevertheless, there has been considerable debate as to whether the investment, both in money and in time, has been worth it. That question is not yet definitively answerable. However, investigators (and investors) might also wonder if the efforts in nanomedicine are likely to continue at the same pace as over the past decade. For this paper, an analysis was done by searching Medline, RePORT, the DOD (CDMRP), the NSF, and ClinicalTrials.gov. The major findings from the analysis are as follows: (1) The number of journal articles on the subject of nanomedicine continues to steadily rise and the areas "Drug Carriers" and "Drug Delivery Systems" are experiencing particularly rapid growth. (2) The level of funding from the Department of Health and Human Services (NIH and others) for indications other than cancer has been greater than that for cancer. (3) Funding for applications in HIV/AIDS has been strong. (4) Most of the cancers are being impacted. (5) The number of clinical trials are more highly focused in breast, skin, metastatic, and ovarian cancers, though the noncancer indications of pain and infections are also highly represented. The trials are primarily in Phases I and II, suggesting a long horizon before translating to a high impact on patients. (6) The vast majority of the clinical trials are for the evaluation of established nanomedicine formulations (liposomes and nab-paclitaxel/Abraxane) in combination with other therapies. Nevertheless, the number of clinical trials with other nanomedicine formulations has been increasing since 2009. Relatively few of the trials are for micelles or dendrimers. Taken as a whole, the analysis provides a picture that nanomedicine continues to be highly funded and highly studied but with few recent breakthroughs. Nanomedicine has yet to provide the "silver bullet" for therapy in cancer or other diseases, and it remains unclear whether it ever will.