Spotlight on Cutting-Edge Advances in Personalized Medicine: Development, Innovations, and Market Prospects

Current Status of Personalized Medicine

The term "personalized medicine" is often described as providing the right dose, at the right time, of the right drug to the right patient. More broadly, it may refer to personalized healthcare (also known as precision medicine).

The U.S. personalized medicine market grew at a compound annual growth rate (CAGR) of 9.5% from 2010 to 2015. This growth is projected to be driven by several factors in the future, including reduced treatment costs, early disease diagnosis, drug safety, patient adherence, and treatment optimization.

Currently, the United States dominates the personalized medicine market. However, advancements in technology and developments in the field of DNA are poised to enable the United Kingdom, France, India, China, and Japan to establish their own personalized medicine markets.

Rapid technological advances have made it possible to identify an individual’s unique genome. Each person’s genome differs from others by millions of variants, and these differences influence disease susceptibility and treatment response. A more straightforward understanding of individual genomes enables scientists and clinicians to develop “personalized” medicines.



The revolution in personalized genomic medicine will yield more effective outcomes: reducing drug side effects, promoting longer and healthier lives, and lowering healthcare costs. According to PwC data, the personalized medicine industry in the United States has already generated an annual output value of $286 trillion and is growing at a rate of 11% per year. JAX’s genomic medicine research will elucidate how genomic variations influence health, disease, and drug responses, thereby advancing the development of personalized medicine.

The global personalized medicine industry was valued at $1.00788 trillion in 2014. It is projected to grow during the forecast period, reaching $2.4525 trillion by 2022, assuming a compound annual growth rate (CAGR) of 11.8%. Key market drivers include advances in next-generation sequencing, whole-genome technologies, companion diagnostics, and the increasing number of retail clinics.

Topic 1: Clinical Manifestations of Personalized Medicine in Humans and Animal Models

Personalized medicine is based on intraspecific variation. Minor differences in genetic composition can lead to variations in drug response or disease susceptibility, thereby resulting in significant disparities in personalized medical outcomes. In short, in any given complex system, small changes in initial conditions can lead to vastly different outcomes. Although intraspecific variation exists in both humans and other species, non-human species remain the primary models for generating definitive data aimed at improving human health. We have framed this practice as a research question and concluded that genetic studies focused on humans themselves should be the primary means of obtaining data related to human diseases and drug responses. Conducting research on personalized medicine in both human subjects and animal models to achieve accurate results will constitute the main strategic direction for the future development of personalized medicine.

Topic 2: Genetics of the Ebola Epidemic

Genomic Sequence Analysis of the Ebola Virus Targets the Second through Sixth Genes of the Ebola Virus (EBO) Genome. Its viral characteristics are highly similar to those of filoviruses and the Marburg virus. Scientists use genomic sequencing technology to determine the origin of the Ebola virus and to track the transmission trajectory of the Ebola virus outbreak occurring in Africa at that time.

Topic 3: Molecular Diagnostics and Therapeutics

Molecular diagnostics is a technology used to analyze genomic and proteomic biomarkers. By applying molecular biology techniques to medical testing, it enables the realization of the value of individual genetic codes in personalized medicine and elucidates how cells express gene-encoded proteins. This technology can be employed for disease diagnosis and monitoring, risk identification, and determining the most suitable treatment plan through personalized diagnostic and therapeutic approaches. It is highly valuable across many medical specialties, including infectious diseases, oncology, human leukocyte antigen (HLA) typing (for studying and predicting immune function), coagulation disorders, and pharmacogenomics—i.e., using genetic information to predict which medications will be most effective.



Topic 4: Biomarkers

In medicine, biomarkers and molecular markers are commonly used as indicators to assess the severity or presence of certain diseases. Testing for disease-specific biomarkers plays a crucial role in disease identification, early diagnosis and prevention, as well as monitoring during treatment. The search for and discovery of valuable biomarkers has become a major focus of current research.

In disease research, biomarkers generally refer to characteristic biochemical indicators of normal physiological, pathological, or therapeutic processes that can be objectively measured and evaluated. Their measurement provides insight into the biological state of the organism at a given time. In the current era of stratified medicine and biomarker-driven therapies, the focus has shifted from predictions based on traditional anatomy-driven staging systems to leveraging the genetic composition of tumors and host genetics to guide treatment selection, thereby enabling comprehensive, personalized therapy for individual patients.

Genomics and other “omics” technologies have significantly advanced the development of personalized medicine, particularly in the realm of biomarkers such as stratification biomarkers. In recent years, high-throughput sequencing of cancer genomes has received substantial support, thereby expanding the molecular classification of tumors. These studies have identified biomarkers capable of activating oncogenes, providing a theoretical foundation for administering molecularly targeted therapies to patients in clinical trials. This approach aims to optimize drug efficacy for rare cancers or specific molecular subgroups of certain cancers, while also enabling rapid turnaround of clinical-grade prioritization.

Topic 5: Nanotechnology and Biotechnology

Nanotechnology ("nanotechnology") is the science and technology of manufacturing materials using individual atoms, molecules, and supramolecules, focusing on the properties and applications of materials with structural dimensions ranging from 0.1 to 100 nanometers. The earliest and most widely cited description of nanotechnology defined it as a specific technological goal: the precise manipulation of atoms and molecules to fabricate large-scale products. It is now also referred to as molecular nanotechnology.

The application of pharmaceutical nanotools, cell therapy, and molecular mechanisms represent the technologies and tools of nanotechnology and biotechnology. The human genome is best understood through the lens of human metabolism; specifically, the human genome comprises the complete set of genes in the human body, while human metabolism consists of the components involved in metabolic processes. Its significance can be well appreciated through the roles of metabolomics, bioinformatics, and biosensors in personalized medicine.

Topic 6: Predictive Medicine in Pharmaceutical Analysis

Preventive medicine is a scientific discipline within the field of medicine that predicts disease probability and formulates preventive measures to either prevent disease occurrence or significantly mitigate its impact on patients (e.g., by reducing mortality or limiting morbidity). Its techniques and tests include newborn screening, diagnostic testing, medical bioinformatics, prenatal examination, carrier screening, and preconception testing.

Newborn ScreeningNewborn screening is a public health program that employs rapid and sensitive laboratory methods to screen newborns for inherited metabolic disorders, congenital endocrine abnormalities, and certain severe genetic diseases. The aim is to enable early diagnosis and treatment of affected infants before clinical symptoms manifest or while they are still mild, thereby preventing irreversible damage to bodily tissues and organs.

Prenatal testing is used to detect diseases and conditions in the fetus or embryo before birth, thereby minimizing their adverse effects. This type of testing is targeted at couples with an increased risk of passing on genetic factors or those with chromosomal abnormalities. Screening can determine the fetal sex. Prenatal testing can help a couple decide whether to terminate a pregnancy. Like diagnostic tests, prenatal testing can be non-invasive or invasive. Non-invasive techniques include uterine testing in women or maternal serum screening. These non-invasive techniques can assess the risk of a condition but cannot accurately determine whether the fetus is affected by that condition.


Topic 7: Preventive Medicine

To maintain patient health, all physicians apply principles of preventive medicine. It is also a distinct medical specialty recognized by the American Board of Medical Specialties (ABMS). Preventive medicine focuses on the health of individuals, communities, and defined populations. It is also used in the management of obesity and blindness. Epidemiology is the science that studies the distribution and determinants of diseases and health conditions in specific populations, as well as the strategies and measures for disease control and health promotion.

Epidemiology employs a research methodology to understand the patterns of disease prevention programs and the causes of human health and disease, while translating this knowledge into intervention designs to prevent disease occurrence. The discipline has a long history of participating in multi-site, longitudinal cohort studies sponsored by the U.S. National Institutes of Health (NIH). Furthermore, its faculty comprises many researchers who initiate and conduct NIH-funded research projects and clinical trials. Public confidence holds that vaccines are key to the success of immunization programs in the era of preventive medicine.

Topic 8: Healthcare Medicine and P4 Medicine

P4 Medicine is an initiative aimed at fundamentally enhancing human quality of life through biotechnology. Proposed by biologist Leroy Hood, P4 Medicine stands for “Predictive, Preventive, Personalized, and Participatory” medicine in the near term. The vision of P4 Medicine is that, over the next two decades, medical practice will undergo a revolutionary transformation driven by biotechnology, shifting from treating disease to managing individual health.

Internal Medicine or General Medicine (in Commonwealth countries) is a medical specialty dedicated to the prevention, diagnosis, and treatment of adult diseases. The scope of internal medicine encompasses disease definitions, etiology, pathogenesis, epidemiology, natural history, symptoms, signs, laboratory diagnostics, imaging studies, differential diagnosis, definitive diagnosis, treatment, and prognosis. The approach in internal medicine involves taking a medical history or conducting patient interviews, followed by physical examinations. Based on the findings from the history and physical examination, laboratory and imaging tests are ordered to rule out less likely conditions among the differential diagnoses, thereby arriving at the most probable diagnosis. Emergency Medicine is a specialized discipline grounded in comprehensive medical knowledge, focused on the timely assessment and intervention for patients with acute and critical conditions to prevent further deterioration.

Topic 9: Lifestyle Medicine

"Lifestyle diseases" is a conclusion drawn by developed countries after conducting extensive epidemiological studies on certain chronic non-communicable diseases. The primary cause of these chronic non-communicable diseases is people's unhealthy lifestyles.
Lifestyle Medicine (LM) involves the treatment and management of diseases through lifestyle interventions. LM has become the preferred approach not only for preventing but also for treating most chronic conditions, including type 2 diabetes, coronary heart disease, hypertension, obesity, insulin resistance syndrome, osteoporosis, and cancer prevention. It also encompasses aerobic and resistance exercise for patients with diabetes, sleep hygiene, disease prevention, intrinsic motivation, and adherence to healthy behaviors.

Topic 10: Genomics

Genomics is a discipline within genetics that applies DNA recombination, DNA sequencing methods, and bioinformatics to sequence, assemble, and analyze the function and structure of genes. By elucidating the most complex biological systems, such as the brain, advances in genomics have sparked a revolution in discovery-based research. The field encompasses efforts to determine the complete DNA sequences of organisms and to construct detailed genetic maps of the human genome. It also includes the study of phenomena within the genome, such as interactions between different loci within the genome and between the genome and the metagenome.

Comparative genomics is an exciting new field in biological research that compares the genomic sequences of different species, such as humans, mice, and various other organisms ranging from yeast to chimpanzees.
Comparative genomics is a discipline that compares known genes and genomic structures based on genomic maps and sequencing data to elucidate gene function, expression mechanisms, and species evolution. By leveraging the homology in coding order and structure between model organism genomes and the human genome, this approach facilitates the cloning of human disease genes, reveals gene functions and molecular mechanisms of diseases, clarifies evolutionary relationships among species, and elucidates the intrinsic architecture of genomes.


Topic 11: Cancer Immunology and Oncology

Personalized medicine can be used to understand an individual’s genetic makeup and unravel information related to their tumor biology. Based on this information, physicians aim to identify strategies for prevention, screening, and treatment that are more effective and have fewer side effects. By conducting more genetic tests and analyses, doctors may tailor treatments to meet each patient’s needs. This involves creating a personalized cancer screening and treatment plan, which includes determining the likelihood of developing cancer, selecting screening strategies to reduce risk, adopting more effective treatment regimens with minimal side effects, and predicting the probability of recurrence.

Dr. Elizabeth A. Mansfield, Deputy Director of the Office of In Vitro Diagnostics and Radiological Health at the FDA, believes that personalized diagnostic medical devices can help physicians determine which treatments to provide to patients and the appropriate dosages of medications. Personalized medicine for diabetes involves adjusting strategies for prevention, detection, treatment, or monitoring based on an individual’s genetic information. The approach of PMFD involves four processes: First, identification of biomarkers for genes, diabetes, and obesity. Second, screening individuals at high risk for diabetes and/or obesity phenotypes based on their genotype allocation. Third, selection of personalized therapies for affected individuals. Fourth, measurement of circulating markers for diabetes to monitor responses to prevention or treatment.

Compiled by Chen Kun
Editor: Zhang Nan