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Related Concept Videos

Erythropoiesis01:14

Erythropoiesis

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Red blood cells  (RBCs) transport oxygen to all body tissues. These cells survive only for 120 days and then need to be replenished. Erythropoiesis is the process of RBC production. In healthy individuals, erythropoiesis ensures all tissues are amply supplied with oxygen. In addition, blood loss due to injury leads to a drop in the physiological oxygen level that will cause erythropoiesis. Any defect in erythropoiesis leads to several physiological disorders, including thalassemia, anemia,...
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Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
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Overview of Hematopoiesis01:20

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Hematopoiesis, or blood cell production, is a vital biological process that begins early in embryonic development and continues throughout life. This process generates the various types of cells found in blood, including red blood cells, white blood cells, and platelets from hematopoietic stem cells (HSCs).
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Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
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Clinical development focuses on how the drug will interact with the human body and encompasses four key phases of clinical trials, each serving a specific purpose in assessing the safety and effectiveness of new drugs. These phases overlap and build upon one another. Phase I involves a small group of healthy volunteers (typically 20-80 individuals) or, in cases where significant toxicity is expected, patients with the targeted disease, such as cancer or AIDS. The volunteers are tested for...
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Ongoing Developments and Clinical Progress in Drug-Loaded Red Blood Cell Technologies.

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Summary

Engineered red blood cells (RBCs) offer a promising platform for drug and protein delivery, with several agents in clinical trials for various diseases. This review details their development, clinical progress, and therapeutic applications.

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Area of Science:

  • Biotechnology and Biomedical Engineering
  • Hematology
  • Drug Delivery Systems

Background:

  • Engineered red blood cells (RBCs) are emerging as a viable strategy for targeted therapeutic delivery.
  • Existing research highlights the potential of RBCs for delivering a range of therapeutic agents, including drugs and proteins.
  • Several engineered RBC-based therapies are currently undergoing clinical evaluation for diverse medical conditions.

Purpose of the Study:

  • To summarize the current development status of engineered RBC-based therapeutic agents.
  • To focus on the clinical progress and applications of engineered RBCs in therapy and diagnostics.
  • To provide background information on the engineering of RBCs and their exploitation for medical purposes.

Main Methods:

  • Review of clinical trial data for engineered RBC agents.
  • Analysis of safety, efficacy, and tolerability data from public domain sources.
  • Information gathering from company websites, press releases, and databases up to January 2020.

Main Results:

  • Multiple engineered RBC agents are in various stages of clinical trials.
  • Examples include treatments for ataxia telangiectasia, pancreatic cancer, acute lymphoblastic leukemia, and phenylketonuria.
  • Data on safety, efficacy, and tolerability are being compiled and reported.

Conclusions:

  • Engineered RBCs represent a significant advancement in drug and protein delivery systems.
  • The field is rapidly progressing, with ongoing clinical trials demonstrating therapeutic potential.
  • Further research and development are expected to expand the applications of engineered RBCs.