Articles tagged with Ovarian Cancer
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Researchers discovered a way to target cancer cells by blocking functions of Flap Endonuclease 1 (FEN1), which is involved in DNA replication and repair. The approach preferentially killed BRCA1 and BRCA2 mutant cancer cell lines, with normal cells recovering from FEN1 inhibition.
L-Grb2 antisense oligodeoxynucleotide (L-Grb2) has promising antitumor activity in preclinical models of ovarian and uterine carcinoma, reducing angiogenesis and increasing apoptosis. L-Grb2's therapeutic efficacy suggests a potential new target for cancer treatment.
A global study led by Queen Mary University of London found that screening entire populations for breast and ovarian cancer genes can prevent millions more cases than current clinical practice. The research shows that cost-effective genetic testing can be implemented in high and upper-middle income countries to save lives.
A study by TGen has identified a drug, SP-2577, which can enable the immune system to attack ovarian cancer. The drug, also known as Seclidemstat, was developed to inhibit LSD1, a protein that is abundant in SCCOHT ovarian cancer.
Researchers utilized a computational method to analyze the CDR3 regions of T-cell receptors from high-grade serous ovarian cancers. The study found that patients with low T-cell infiltration but diverse or focused repertoires had clinical outcomes similar to highly-infiltrated tumors. The authors identified the degree of divergence bet...
Researchers developed a new test, PrOTYPE, to classify high-grade serous ovarian cancer into four molecular subtypes. This test allows clinicians to tailor treatments to individual patients' tumours with over 95% accuracy.
A study published in Oncotarget reports that adoptive cell therapy in combination with checkpoint inhibitors improves T cell fold expansion and increases CD8 T cell tumor reactivity in patients with late-stage metastatic ovarian cancer. The authors suggest that combination immunotherapy may be a way forward for this purpose.
Researchers found that ovarian cancer patients with a modified BRCA1 gene do not respond better to platinum chemotherapy or have a better prognosis than those with the normal functioning gene. However, they did live longer on these treatments compared to those without any gene modifications.
A new clinical trial has validated a remote genetic counseling approach, enabling women to assess their cancer risk from the comfort of their own homes. The study showed that skipping personalized counseling did not increase patients' distress and may lead to increased access for genetic testing.
A phase III clinical trial found that the addition of cediranib to olaparib and standard platinum-based chemotherapy did not improve progression-free survival outcomes, but showed similar activity in patients. The study suggests potential for non-platinum based alternatives in certain biomarker subgroups.
A study by the Hubrecht Institute found that oviduct cells are more prone to develop into tumors than ovarian surface epithelium cells. This suggests a possible shift in treatment approach, with earlier removal of fallopian tubes considered as a preventive measure for high-risk patients.
A new study found that personalized ovarian cancer risk prediction reduces cancer worry and anxiety in women. Participants who received the personalized risk estimate were more likely to take preventative action and reduce their risk of developing ovarian cancer.
Researchers have confirmed biological hallmarks of survival in tumor cells and identified two processes linked to high-grade serous carcinoma. Proteomics analysis reveals details about protein communication and function in cancerous cells, providing insights into the 'broken' machinery behind ovarian cancer.
A study published in PLOS ONE found that endosalpingiosis (ES) and other gynecological lesions occur at a higher rate than previously thought, even among women without cancer. The researchers suggest that ES is not directly linked to cancer development, contrary to initial suspicions.
Researchers at MD Anderson Cancer Center and Ipsen Biopharmaceuticals have developed a novel drug, IPN60090, a glutaminase inhibitor for lung and ovarian cancers. The Phase I clinical trial shows promising results, particularly for patients with KEAP1/NRF2 mutations or low ASNS levels.
Researchers have discovered a new approach to overcome chemotherapy resistance in clear cell ovarian cancer by using low doses of 2-deoxy-D-glucose. The treatment has shown significant improvement in laboratory models and is expected to be safer for patients with reduced side effects.
Researchers have discovered that cancer cells use fats as an energy source when detached from their point of origin, and that limiting access to a specific enzyme may starve them of this resource. The study suggests that an existing drug could be repurposed to treat chemo-resistant ovarian cancer.
Researchers at Dana-Farber Cancer Institute have identified two factors that predict which ovarian cancer patients will not benefit from a combination of immune checkpoint and PARP inhibitors. Patients with specific gene mutations or vigorous immune responses to the cancer are more likely to respond to the therapy.
A genetic study found that long-term statin use may be associated with a 40% reduction in ovarian cancer risk in the general population and those with BRCA1/2 gene faults. The research used Mendelian randomization to analyze thousands of people's genetic data.
Researchers developed a simple blood test that measures the body's immune response to improve ovarian cancer diagnosis. The test uses an immune marker for inflammation and cancer markers to detect epithelial ovarian cancer in blood, with results validated across two separate human trial cohorts.
Researchers at MUSC and UCSD found that autophagy genes work against tumors in certain types of ovarian cancer. The study validated the role of BECN1 and LC3B as tumor suppressors, shedding light on their potential as targets for treatment.
Researchers at the University of Oxford have identified six previously unknown cell types in human Fallopian tubes using single-cell RNA sequencing, which may lead to a screening tool for ovarian cancer. The discovery sheds new light on the complexity of ovarian cancers and could lead to personalized treatments.
A Phase 2 clinical trial demonstrated improved localization and complete removal of small and peripheral lesions in 12% of patients. The treatment, OTL38, targets adenocarcinomas of the lung and has received fast-track designation for both lung and ovarian cancer indications.
Scientists discovered that over 20% of mutations occur in early stages of tumor development, with some changes taking place years or even decades before cancer is diagnosed. These early genetic alterations can be identified using a new method developed by researchers at the Francis Crick Institute.
A new MRI tool has been developed and shown to be 90% accurate in distinguishing between malignant and benign ovarian cysts. This could lead to earlier treatment and improved outcomes for women with ovarian cancer, reducing the need for invasive surgery.
A study found that APLN overexpression correlates with worsened prognosis in ovarian cancer patients treated with bevacizumab. The researchers also identified a distinct gene signature associated with resistance development, paving the way for new treatment strategies.
Researchers pooled data from four large studies involving 250,000 women to investigate the association between powder use and ovarian cancer risk. The study found a statistically significant increase in ovarian cancer risk among women who used powder in their genital area.
Researchers have identified a new therapeutic strategy to combat chemotherapy resistance in ovarian cancer by targeting the NAD+ metabolic pathway. Combining cisplatin treatment with pharmacological inhibition of NAMPT suppresses the outgrowth of resistant cancer cells and prolongs survival in a preclinical model.
Researchers at the University of Texas MD Anderson Cancer Center found that secondary tumor-reduction surgery followed by chemotherapy did not result in longer survival than chemotherapy alone. The study involved 240 patients with platinum-sensitive recurrent ovarian cancer and showed that complete tumor resection was associated with i...
Nami Therapeutics develops nanoparticles for targeted drug delivery, offering increased efficacy and reduced toxicity. The platform selectively targets ovarian cancer metastasis in the peritoneal cavity, improving survival rates.
A new study found that a blood test for CA125 levels can detect ovarian cancer in women with suspicious symptoms, with 10% of those with high levels diagnosed with the disease. The test also revealed higher risks of other cancers, such as pancreatic and lung cancer, among older women
A laboratory study found that fibrosis, a natural stiffening of the ovaries, occurs with age and may be linked to ovarian cancer. Metformin, a diabetes drug, was shown to halt this process in some cases.
A new treatment using niraparib after conventional chemotherapy improves progression-free survival and reduces risk of relapse or death in patients with advanced ovarian cancer. The study, led by Dr. Antonio González Martín, found a significant reduction in risk of relapse, especially in patients with homologous recombination deficiency.
A new trial shows that adding a PARP inhibitor to bevacizumab improves ovarian cancer patients' chances of responding to chemotherapy. The study found median progression-free survival of 22.1 months in the olaparib arm, compared to 16.6 months in the placebo group.
A Phase III trial validates the benefit of veliparib for patients with newly diagnosed, metastatic high-grade serous ovarian cancer. The combination therapy achieved a PFS of 23.5 months, compared to 17.3 months for the control arm.
Cancer survival in the UK has improved since 1995, with significant increases in one-year and five-year survival rates for various cancers. Despite this progress, the UK still lags behind other high-income countries in cancer survival.
Survival rates for seven cancers have improved in Australia, Canada, and Norway compared to New Zealand, Denmark, Ireland, and the UK. The largest gains were seen in patients under 75 years old with poor prognosis cancers. Improvements in cancer control suggest progress has been made in these countries.
Researchers at The Wistar Institute have found that ARID1A is essential for telomere cohesion, which helps maintain genomic stability. Inactivation of ARID1A leads to loss of telomere cohesion and selects against gross chromosome alterations.
A new study found that women who experienced PTSD symptoms were at a higher risk of developing ovarian cancer, particularly those with high-grade serous histotype. Researchers analyzed data from the Nurses' Health Study II and found a significant association between PTSD and increased ovarian cancer risk.
A new study links elevated levels of FAK to the survival of cancer stem cells and DNA repair in ovarian cancer tumors, making them resistant to platinum chemotherapy. Researchers found that FAK inhibition can improve treatment response in mice with chemo-resistant tumors.
The USPSTF recommends assessing risk in women with a history of breast, ovarian, fallopian tube, or peritoneal cancer, as well as those with an ancestry associated with BRCA1/2 mutations. Genetic counseling and testing are offered to those with a positive result after counseling.
A study at the George Washington University Cancer Center found a novel pathway causing platinum resistance in ovarian cancer cells. The ERK/PHD2/HIF-1α axis regulates HIF-1α stability, leading to poor prognoses for patients.
Women with BRCA1/2 gene mutations are at high risk of developing ovarian cancer, with a lifetime risk of 39-44% for BRCA1 and 11-17% for BRCA2. A new review provides guidance on screening, preventive surgery, contraception and management of menopausal symptoms to reduce this risk.
A combination of two FDA-approved drugs significantly extended the lives of mice injected with human ovarian cancer cells, altering the natural ratio of macrophages and improving survival. The treatment targets M1 macrophages, which can protect against tumor growth and progression.
Researchers will investigate loss of DNA repair mechanisms and secondary mutations leading to cancer. The goal is to develop improved cancer treatment regimens and predict drug efficacy.
Researchers at Houston Methodist and MD Anderson Cancer Center have found a new immunotherapy to treat ovarian and pancreatic cancers by blocking the action of MFAP5 protein. This protein promotes tumor growth and reduces survival rates in patients with these cancers.
Researchers at Penn State College of Medicine have identified a potential therapeutic target for high-grade serous ovarian cancer cells by preventing a protein from doing its job. Inhibiting this protein led to a halt in cell division and may be an effective strategy for future therapies.
The University of Colorado Cancer Center is enrolling patients in a Phase II clinical trial evaluating the effectiveness of Rucaparib, a PARP inhibitor, as maintenance therapy for endometrial cancer. The trial aims to determine the drug's ability to prevent cancer cell growth and death in patients with metastatic or recurrent disease.
Researchers at CRCHUM found that Ran protein is essential for ovarian cancer cells to migrate and invade healthy tissues. Inhibiting Ran expression can break down RhoA, a protein necessary for cell migration, leading to a loss of cancer cells' ability to move.
A new biomarker test developed by researchers at Uppsala University and Sahlgrenska Academy can detect women without cancer, reducing unnecessary surgery. The test has a high accuracy rate of one in three cases, increasing the detection of early stages and borderline cases.
A study by Columbia University researchers found that limiting ovarian cancer surgery to high-volume hospitals could improve survival but also reduce access for many rural and underserved patients. In fact, nearly 35% of low-volume hospitals had better-than-expected outcomes at 60 days and 51% at 2 years.
Researchers at University of Montreal Hospital Research Centre develop a two-step combination therapy to destroy cancer cells. They manipulate cellular aging to force cancer cells into senescence, then use senolysis to eliminate them. This strategy shows superior therapeutic effectiveness on ovarian cancer patients.
Researchers have identified eight protein biomarkers that enable accurate differentiation between endometrioid and high-grade serous ovarian carcinomas. This breakthrough could lead to more precise diagnosis and tailored treatment for patients, reducing the risk of undertreatment or overtreatment.
Researchers have successfully used circulating tumor DNA to monitor patient responses and find targeted treatments for ovarian cancer. The technique can detect genomic alterations in late-stage cancers, even when biopsies are difficult or impossible, and identify poor-responding patients after chemotherapy.
A recent clinical trial at the Stephenson Cancer Center found that patients with stage two, three, or four ovarian cancer can expect about 75 months of survival when their tumors are completely removed. The treatment regimen that caused fewer difficult side effects was just as effective as those with more severe side effects.
Researchers have identified 34 genes associated with an increased risk of developing the earliest stages of ovarian cancer. The study uses alternative splicing analysis to pinpoint these genes, which can help identify women at high risk and pave the way for new therapies.
Researchers at MIT have developed a novel fluorescence imaging system to improve surgery for ovarian cancer, enabling surgeons to detect and remove tumors as small as 0.3 millimeters. This technology has shown promising results in mice, with median survival rates 40% longer than those without image guidance.
A recent study found that fewer than a quarter of breast cancer patients and a third of ovarian cancer patients underwent genetic testing for cancer-associated mutations. The research, which analyzed data from over 83,000 women diagnosed with breast or ovarian cancer in California and Georgia between 2013 and 2014, revealed substantial...
Researchers at the University of Manchester have identified a new class of drugs that can stop ovarian cancer cells from growing. The PARG inhibitors target weaknesses in DNA replication, making them sensitive to these treatments.
A new diagnostic tool has been developed to detect ovarian cancer earlier, with high sensitivity and specificity rates. The test uses liquid biopsy proteomics to identify unique protein signatures in uterine fluid, promising improved detection rates for young women at high risk of developing the disease.