Class Of Medicinal Products Research Articles

Regulatory Frameworks for Advanced Therapy Medicinal Products in Thailand.

Advanced Therapy Medicinal Products (ATMPs) are a new class of medicinal products that fall under the Drug Act. B.E.2510. The Medicines Regulation Division, a regulatory unit under the Thai Food and Drug Administration, takes responsibility for the regulation of ATMPs. This includes importing or manufacturing of ATMPs for clinical trials, GMP inspection, and marketing authorization. In Thailand, ATMPs have been classified into four groups: cell therapy medicinal products, gene therapy medicinal products, tissue-engineered products, and combined ATMPs. At present, the guidelines for biological products are applied to ATMP in clinical trials and marketing authorization applications. At the same time, the specific guidelines for ATMPs are under development. This chapter provides an overview of the Thai FDA regulatory oversight of ATMPs, which covers investigational ATMPs, GMP certification, and marketing authorization.

Advanced therapy medicinal products: a comprehensive overview for pharmacy professionals

Advanced therapy medicinal products (ATMPs) are a new class of medicinal products. They include gene therapies, somatic cellular products and tissue engineered products​[1]​. ATMPs are at the forefront of healthcare innovation and give hope for treating diseases that currently have limited or no therapeutic options. There are three principal categories of ATMPs: Medicines for gene […]

Subvisible Particulate Contamination in Cell Therapy Products-Can We Distinguish?

Cell therapy products represent an exciting new class of medicinal products, which must be parenterally administered. Thus, compliance with parenteral preparation guidelines is required. One requirement for parenteral products is the characterization of particle contaminations. As cell-based products are turbid suspensions, containing particles, the cells, characterization and control of foreign particle impurities remain a challenge. Within this study, we evaluated a flow imaging microscopy method for the detection and characterization of subvisible particle contaminations in cell-based products. We found that flow imaging microscopy is a potential method where subvisible particle contaminations can be differentiated from the cells in cell therapy products.

International Approaches to Regulation of Medicinal Products Containing Viable Human Cells

The intensive development of cellular technologies stipulates the introduction at the global level of medicinal products based on viable human cells, which in most countries are referred to as biomedical cell products. The authors conducted a comparative analysis of the regulatory framework in different countries and determined special aspects of regulation of cell therapy products (analogues of biomedical cell products). Some countries have mechanisms for priority review of cell therapy products for marketing authorization, such as accelerated assessment, accelerated approval, or conditional marketing authorisation. These mechanisms are currently absent in Russia, because of the novelty of the regulatory framework, and the biological properties of innovative cell products. Biomedical cell products are regarded as a separate class of medicinal products in Russia, they are not treated as biologicals and are regulated by the Federal Law No. 180-FZ «On Biomedical Cell Products» of June 23, 2016. The main difference in regulation of cell-based products in the Russian Federation is the principle of unified requirements for marketing authorisation of autologous, allogeneic, and combined biomedical cellular products, and the absence of the «hospital exemptions» mechanism that exists in many countries. This mechanism allows prescription and use of personalised autologous medicines produced in the laboratory of a medical institution for a particular patient.

Prérequis nécessaires pour la mise en place de protocoles de recherche clinique évaluant des thérapies cellulaires et géniques par lymphocytes T dotés de récepteur chimérique à l’antigène (CAR T-cells) : recommandations de la Société francophone de greffe de moelle et de thérapie cellulaire (SFGM-TC)

CAR T-cells are autologous or allogeneic human lymphocytes that are genetically engineered to express a chimeric antigen receptor targeting an antigen expressed on tumor cells such as CD19. CAR T-cells represent a new class of medicinal products, and belong to the broad category of Advanced Therapy Medicinal Products (ATMPs), as defined by EC Regulation 2007-1394. Specifically, they are categorized as gene therapy medicinal products. Although CAR T-cells are cellular therapies, the organization for manufacturing and delivery is far different from the one used to deliver hematopoietic cell grafts, for different reasons including their classification as medicinal products. Currently available clinical observations were mostly produced in the context of trials conducted either in the USA or in China. They demonstrate remarkable efficacy for patients presenting advanced or poor-prognosis hematological malignancies, however with severe side effects in a significant proportion of patients. Toxicities can and must be anticipated and dealt with in the context of a full coordination between the clinical cell therapy ward in charge of the patient, and the neighboring intensive care unit. The present workshop aimed at identifying prerequisites to be met in order for French hospitals to get efficiently organized and fulfill sponsors' expectations before initiation of clinical trials designed to investigate CAR T-cells.

The advent of biosimilars: challenges and risks.

Biosimilars represent a new class of medicinal products that will have significant impact on clinical use. They are identical on an amino acid sequence level to existing reference biopharmaceutical products (originals). However, they may exhibit differences on a protein level. This paper provides a brief overview of biosimilar development and describes the risk and challenges that should be considered during the admission of biosimilars into the clinic.

Adverse drug reactions induced by cardiovascular drugs in outpatients.

Considering increased use of cardiovascular drugs and limitations in pre-marketing trials for drug safety evaluation, post marketing evaluation of adverse drug reactions (ADRs) induced by this class of medicinal products seems necessary. To determine the rate and seriousness of adverse reactions induced by cardiovascular drugs in outpatients. To compare sex and different age groups in developing ADRs with cardiovascular agents. To assess the relationship between frequencies of ADRs and the number of drugs used. This cross-sectional study was done in cardiovascular clinic at a teaching hospital. All patients during an eight months period were evaluated for cardiovascular drugs induced ADRs. Patient and reaction factors were analyzed in detected ADRs. Patients with or without ADRs were compared in sex and age by using chi-square test. Assessing the relationship between frequencies of ADRs and the number of drugs used was done by using Pearson analysis. The total number of 518 patients was visited at the clinic. ADRs were detected in 105 (20.3%) patients. The most frequent ADRs were occurred in the age group of 51-60. The highest rate of ADRs was recorded to be induced by Diltiazem (23.5%) and the lowest rate with Atenolol (3%). Headache was the most frequent detected ADR (23%). Assessing the severity and preventability of ADRs revealed that 1.1% of ADRs were detected as severe and 1.9% as preventable reactions. Women significantly developed more ADRs in this study (chi square = 3.978, P<0.05). ADRs more frequently occurred with increasing age in this study (chi square = 15.871, P<0.05). With increasing the number of drugs used, the frequency of ADRs increased (Pearson=0.259, P<0.05). Monitoring ADRs in patients using cardiovascular drugs is a matter of importance since this class of medicines is usually used by elderly patients with critical conditions and underlying diseases.