However, these approaches have not yet delivered all that they promised, partly due to the inherent genetic variability between patient samples, but also because the diagnostic / prognostic accuracy of the cancer signatures identified tends to be linked to
the patient cohorts from which those signatures were obtained.
Not exact matches
From this
cohort, 1,650
patients (330
patients per local therapy) were randomly selected.
To further analyze whether FGFR fusions are present across different types of cancers, the researchers extended their assessment and analyzed data generated
from an internal
cohort of 322
patients, as well as
from a large
cohort of 2,053
patients recruited to The Cancer Genome Atlas.
They are based on a retrospective
cohort study of 7,431,858
patients in the University HealthSystem Consortium database, which contains information
from contributing academic medical centers in the United States and affiliated hospitals.
In this new work, BIDMC researchers and co-lead authors Sarinnapha M. Vasunilashorn, PhD, and Long Ngo, PhD, examined data
from a
patient cohort called SAGES (Successful Aging after Elective Surgery Study).
The study included 677
patients from the multicentre, prospective
cohort study B - SAFE.4 BMIPP scintigraphy, ECG and C - reactive protein assessment was performed in all
patients.
The UC research team looked at 3,679 individuals with Type 2 diabetes
from a de-identified
cohort of
patients at the Cincinnati Veterans Affairs Medical Center and who were followed for a 10 - year period, explains Charuhas Thakar, MD, professor and director of the UC Division of Nephrology, Kidney CARE Program.
Researchers conducted a retrospective
cohort study of
patients admitted to the ICU at Barnes - Jewish Hospital in St. Louis, Missouri
from 2005 through 2012.
The Chronic Hepatitis
Cohort Study is an analysis of records
from a large, geographically and racially diverse group of 9,783
patients receiving care at four large U.S. health systems: Henry Ford Health System in Detroit; Kaiser Permanente Northwest in Portland, Oregon; Kaiser Permanente in Honolulu and Geisinger Health System in Danville, Pennsylvania.
In this study, researchers analyzed prostate tissue biopsies
from two
cohorts of prostate cancer
patients.
After a 15 - month follow up, 16
patients from two
cohorts had partial responses, with an overall response rate of 38 and 27 percent in each of the two
cohorts.
The researchers analyzed microarray data of samples
from German
patients and
from an IPF
cohort of the Lung Tissue Research Consortium in the U.S.
Dr. Mitra undertook a large - scale bioinformatics approach to evaluate over 700 ovarian cancer molecular profiles
from four
patient cohorts.
As follow up, Bedrosian and her team hope to mine the randomized controlled trial findings
from the 1980s, matching those
cohorts to current NCDB
patients to see if a similar survival benefit could be observed.
«Accordingly, we examined the effects of allergic disease on respiratory health in two sets of
patients with COPD, one a nationally representative sample of 1,381 COPD
patients from the National Health and Nutrition Survey III (NHANES III) and the other a
cohort of 77 former smokers with COPD
from a study of the effects of endotoxin exposure on health status.»
In the
cohort of
patients who received transplants
from mismatched unrelated donors, all 43
patients received four doses of abatacept with a calcineurin inhibitor and methotrexate.
The second
cohort of 140
patients with human leukocyte antigen - matched unrelated donor transplants completed enrollment in November 2017, with data expected
from this randomized double - blind arm of the study in the next six months.
After finding that one of Laron's
patients — a Moroccan Jew — had an identical mutation to that of the Ecuadorian
cohort, Rosenbloom, Guevara - Aguirre, and Laron proposed that the genetic defect for the growth hormone receptor came to Ecuador
from the Iberian Peninsula five centuries before.
Dr. Zhang points out that the unique value of this study derives
from the ability to perform longitudinal assessments of cognition in PD
patients over a long time period and access to data
from a large
cohort that began when
patients were in the earliest stage of disease.
Dr Matt Hurles, who led the study
from the Sanger Institute, said: «This study has the largest
cohort of such families in the world, and harnesses the power of the NHS, with 200 clinical geneticists and 4,000
patients.
Unlike other solid tumors, there has been limited progress in understanding the contribution of genetic risk factors to the development of uveal melanoma, researchers say, primarily due to the absence of comprehensive genetic data
from patients as the large sample
cohorts for this rare cancer type have not been available for research.
Researchers were able to access CSF samples
from the deprenyl and tocopherol antioxidative therapy of Parkinsonism (DATATOP) study, which is the largest
cohort assembled to date with longitudinal collection of biological fluids and clinical data
from PD
patients.
This led to the collection of bone marrow samples
from larger
cohorts of
patients with the Ottawa Hospital Research Institute, as well as those
from Western University and Hamilton Health Sciences, for the next steps of investigation.
The study results of 50
patients from this
cohort are now described in the New England Journal of Medicine.
The team further analysed tissue samples
from a
cohort of approximately 1,000
patients to establish the correlation of high levels of CD151 to poor prognosis.
The researchers identified a
cohort of 7,704 RA
patients from the Swedish Biologics Register with no previous incidence of ischemic heart disease who started their first TNF inhibitor between 2001 and 2010.
The initiative will also launch a new
cohort study of 200
patients and 200 controls recruited
from centers around the country.
A comparator
cohort of 23,112 matched,
patients with RA who had never taken a biologic were identified
from the National
Patient Register.
«Furthermore, analysis of tumor samples
from large
cohorts of colorectal cancer
patients revealed that activation of the loop is associated with metastasis,» Hermeking reports.
In a small prospective study of 365
patients, researchers made a surprising finding: While younger
patients had better function and range of motion before surgery, it was the older
cohort that saw greater improvement
from pre-operative levels after surgery.
In the third
cohort — 11 new
patients from Dana - Farber — the researchers also evaluated cell - free DNA (cfDNA).
Researchers at Henry Ford in Detroit analyzed data and shoulder function scores
from two
patient cohorts with osteoarthritis who had surgery: 262
patients under 65 and 103
patients older than 75.
Evaluation of 66
patients with JDM, recruited
from the UK JDM
Cohort and Biomarker Study and actively treated with anti-TNF agents, showed significant improvements in muscle and skin involvement, as well as in overall disease activity.
They analyzed a large
cohort of human
patient samples
from the human kidney biobank managed by Susztak and found that the interconversion might also occur in
patients with kidney disease and likely contributes to a condition when the kidneys can not remove enough acid
from the body.
To identify
patients who could possibly benefit most
from BCT, both time
cohorts were divided into subgroups.
«Now that spinal stimulation has been successful in four out of four
patients, there is evidence to suggest a large
cohort of individuals, previously with little realistic hope of any meaningful recovery
from spinal cord injury, may benefit
from this intervention.»
Published in PLOS ONE, Sun's paper used data
from the Haimen City
cohort, which was established in eastern China, of hepatitis B
patients.
The number of
patient receiving no treatment also increased
from 7 to 40 percent for the youngest and oldest elderly
patient cohorts in the study.
Instead of a traditional randomised
cohort selected using strict criteria, the new study used specific, representative
patients drawn directly
from GP practices in which they were receiving care for COPD.
The NYGC and its founding member institutions are conducting additional studies involving Watson to help accelerate the discovery of potentially actionable sequence variants in various types of cancer, including an ongoing study that involves DNA and RNA
from a larger
cohort of glioblastoma
patients, and a study of 200
patients with different types of cancer.
«Our research finds that a set of genetic risks identified
from UK
patients with a clinical diagnosis of childhood ADHD also predicted higher levels of developmental difficulties in children
from a UK population
cohort, the ALSPAC,» said Thapar.
Methods: Consecutive first - ever stroke or TIA
patients (n = 266)
from the Tel Aviv Acute Brain Stroke
Cohort (TABASCO) study were enrolled.
In our JTM paper, work that was primarily supported by the Chronic Fatigue Initiative, we sequenced the mitochondrial DNA
from a
cohort of ME / CFS
patients and healthy individuals, using DNA extracted
from white blood cells stored in the biobank developed by the Chronic Fatigue Initiative.
Conclusions and Relevance The study results, derived
from a large
cohort of
patients with long follow - up time, suggest that the rate of revision septorhinoplasty is low, but certain
patient characteristics are associated with higher revision rates.
The investigated
cohort consisted of 1802
patients with oral prednisolone and alendronate treatment and 1802 matched controls, selected
from 6076
patients with oral prednisolone but without alendronate treatment (Figure 1 and Figure 2).
Retrospective
cohort analysis of 175842
patients undergoing septorhinoplasty between January 1, 2005, and December 31, 2009,
from the Healthcare Cost and Utilization Project's State Inpatient Databases, State Ambulatory Surgery and Services Databases, and State Emergency Department Databases
from California, Florida, and New York.
EATRIS offers the entire spectrum of high - end research infrastructure and
patient cohorts all accessible though just one portal, and maximises product potential by providing support
from discovery to clinical trials.
By obtaining the entire mitochondrial genome sequences
from cells of ME / CFS
patients and an age - matched
cohort, it is possible to determine whether cases have accumulated more somatic mutations in mitochondrial DNA than expected.
The study results, derived
from a large
cohort of
patients with long follow - up time, suggest that the rate of revision septorhinoplasty is low, but certain
patient characteristics are associated with higher revision rates.
Final results of a
cohort from a phase II monotherapy trial of quizartinib in acute myeloid leukemia
patients showed that more than half of
patients 60 years of age and older who harbored an internal tandem duplication in the FMS - like tyrosine kinase 3 had a composite complete remission.