Health
Hidden factor in cancer treatment timing may affect survival, researchers say
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The time of day patients receive cancer treatments could have an impact on the outcome, a new study suggests.
New research published in Cancer, the official journal of the American Cancer Society, found that patients who received standard immunochemotherapy for extensive-stage small cell lung cancer (ES-SCLC) earlier in the day saw “significantly greater benefit” compared to those who got the same treatment later in the afternoon.
In the study, researchers from the Affiliated Cancer Hospital of Xiangya School of Medicine at Central South University, China, analyzed data from nearly 400 patients who were treated between May 2019 and October 2023.
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All patients had ES-SCLC and received first-line immunotherapy (atezolizumab or durvalumab) along with chemotherapy, according to a press release.
“Our study found that patients who received immunochemotherapy before 3:00 PM had substantially longer progression-free survival and overall survival,” lead study author Dr. Yongchang Zhang, medical oncologist and chief director at the Hunan Cancer Hospital in Changsha, China, told Fox News Digital.
The time of day patients receive cancer treatments could have an impact on the outcome, a new study suggests. (iStock)
“After adjusting for multiple confounding factors, earlier administration was associated with a 52% lower risk of cancer progression and a 63% lower risk of death.”
“It was quite surprising that simply changing the infusion time could lead to such substantial survival benefits for patients,” he added.
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The findings align with the idea of chronotherapy, which suggests that the body’s natural daily rhythms affect how the immune system works and how drugs act in the body.
This means cancer treatments may be more effective at certain times of day, likely because immune activity and drug processing change over the 24-hour cycle, the study suggests.
“This study should not prompt patients to delay treatment or panic about appointment times.”
Based on the findings, Zhang recommends scheduling immunotherapy infusions in the early part of the day.
“Research across multiple cancer types has shown that patients receiving immunotherapy earlier in the day experience longer survival,” he noted. “Our findings in non-small cell lung cancer, supported by both multicenter retrospective studies and prospective clinical trials, confirm this pattern.”
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Gilberto Lopes, M.D., chief of medical oncology at the Sylvester Comprehensive Cancer Center at the University of Miami Miller School of Medicine, noted that previous, similar studies in non-small cell lung cancer have shown better outcomes when immunotherapy is administered earlier in the day, reinforcing the idea that the immune system follows circadian rhythms that influence treatment response.
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“In that sense, the results are biologically plausible and consistent with a growing body of evidence across cancers,” Lopes, who was not involved in the study, told Fox News Digital. “What is striking is that this signal now appears in small cell lung cancer, a disease where outcomes have been notoriously difficult to improve.”
All patients had ES-SCLC and received first-line immunotherapy (atezolizumab or durvalumab) along with chemotherapy. (iStock)
The study did have some limitations, as detailed in the published study. Most notably, the study was retrospective and observational, meaning it could not prove a cause-and-effect relationship between timing of treatments and outcomes.
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With this type of study, Lopes said, “investigators start with an idea and go back and review patient records.” In this case, other factors can have an impact on the outcome, according to the oncologist.
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“For instance, did patients who come early in the day have a better quality of life, performance status and socioeconomic status and that is what made the difference?” he asked. “Or something else we don’t know? These results need to be confirmed prospectively to eliminate known and unknown sources of bias.”
“The next step is prospective testing, but until then, this research invites us to rethink something medicine usually ignores: timing itself,” an oncologist said. (iStock)
Zhang also pointed out that this was a single-center study including only Chinese patients. “To obtain more definitive evidence, prospective clinical trials conducted across multiple countries and diverse populations are needed,” he told Fox News Digital.
Looking ahead, the researchers plan to conduct randomized trials to confirm these preliminary findings and pinpoint optimal treatment windows based on individual patients’ chronotypes (internal body clocks).
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“This study should not prompt patients to delay treatment or panic about appointment times,” Lopes cautioned. “But it raises an important, low-cost question for oncology systems: If scheduling flexibility exists, should earlier infusion times be preferred?”
“The next step is prospective testing, but until then, this research invites us to rethink something medicine usually ignores: timing itself.”
Health
Dementia risk signals could lie in simple blood pressure readings, researchers say
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Simple measurements taken during routine blood pressure checks could predict dementia risk years before symptoms appear.
That’s according to new research presented this week at the American College of Cardiology’s Annual Scientific Session in Louisiana.
The findings draw on two studies led by researchers at Georgetown University, which suggest that monitoring how blood vessels age and stiffen over time can provide a window into future cognitive health.
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Data shows rates of dementia and aging-related cognitive decline are expected to increase as populations age, and half of U.S. adults have high blood pressure (hypertension).
Scientists believe that efforts to better address hypertension, a key contributor to heart disease and a risk factor for dementia, could affect both cardiac and brain health.
Data shows rates of dementia and aging-related cognitive decline are expected to increase as populations age. Meanwhile, half of U.S. adults have high blood pressure. (iStock)
“Blood pressure management isn’t just about preventing heart attacks and strokes; it may also be one of the most actionable strategies for preserving cognitive health,” Dr. Newton Nyirenda, the study’s lead author and an epidemiologist at Georgetown University in Washington, said in a press release.
The research focused on two metrics, the pulse pressure-heart rate index and estimated pulse wave velocity. Both were calculated using data collected during standard doctor visits, such as heart rate, age and blood pressure.
“Blood pressure management isn’t just about preventing heart attacks and strokes; it may also be one of the most actionable strategies for preserving cognitive health.”
Researchers examined five years of data patterns for more than 8,500 people in the SPRINT trial, a large study of adults 50 years and older with hypertension. In the follow-up, 323 of the participants developed probable dementia.
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In one study, the team found the pulse pressure-heart rate index was a strong independent predictor of dementia risk in adults over 50. For participants under 65, every one-unit increase was associated with a 76% higher risk of developing dementia.
For participants under 65, an increase in the pulse pressure-heart rate index was associated with a 76% higher risk of developing dementia. (iStock)
The second study found that adults with consistently elevated or rapidly increasing pulse wave velocity were more likely to develop dementia than those with stable velocity, even after accounting for factors like smoking, gender and cardiovascular history.
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“Our findings suggest that vascular aging patterns may provide meaningful insight into future dementia risk,” said Nyirenda. “This reinforces the idea that managing vascular health earlier in life may influence long-term brain health.”
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The team emphasized that clinicians should tailor risk assessments and treatment strategies to the individual.
Further studies are needed to confirm these parameters and determine whether changing vascular aging trajectories reduces dementia risk. (iStock)
“You don’t want to wait until a patient starts manifesting cognitive decline before you act,” said senior study author Sula Mazimba, an associate professor at the University of Virginia.
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Researchers noted the study could not establish causation. Other limitations included the fact that participants already had hypertension and elevated cardiovascular risk, meaning the findings may not apply to people without those conditions.
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Further studies are needed to confirm these findings and to determine whether improving blood vessel health over time could reduce dementia risk.
Health
Everything You Need To Know About Zepbound for Weight Loss, Including Costs
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Health
‘Gas station heroin’ banned in another state amid nationwide crackdowns
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A dangerous substance dubbed “gas station heroin” continues to alarm medical professionals, with more states making moves to restrict or ban tianeptine.
Fourteen states have officially classified the tricyclic antidepressant as a Schedule I controlled substance.
Connecticut is the latest state to crack down, officially banning the sale and use of the substance starting on Wednesday.
HEALTH OFFICIALS WARN OF DANGEROUS SUBSTANCE AVAILABLE IN STORES ACROSS THE NATION
Tianeptine, which can produce euphoria in higher doses, can be more potent than morphine and addictive opioids, according to the U.S. Food and Drug Administration.
Some countries have taken steps to restrict how tianeptine is prescribed or dispensed, and have even revised the labels to warn people of its potential addictive qualities.
Tianeptine can be more potent than morphine and addictive opioids. (iStock)
Misuse of tianeptine can cause severe adverse health effects, including respiratory depression, severe sedation and death, according to the Drug Enforcement Administration.
Some companies market the drug as an aid for pain, anxiety and depression, or as a means of improving mental alertness in a pill, powder, salt or liquid form.
The products are typically sold at convenience stores, gas stations, vape shops and online retailers, and go by names like Tianaa, ZaZa, Neptune’s Fix, Pegasus and TD Red.
Connecticut is the 15th state to classify tianeptine as a Schedule I controlled substance. (Markus Scholz/picture alliance via Getty Images)
Connecticut Lt. Gov. Susan Bysiewicz said in a press release that the schedule change is a necessary step to combat addiction.
“With false marketing that led consumers to believe these are safe products, and with candy-like flavor options, these substances posed a clear threat to those battling substance-use disorder and our youngest residents,” she added.
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The Nutmeg State also added Mitragyna speciosa (kratom), 7-hydroxymitragynine, Bromazolam, Flubromazolam, Nitazenes and Phenibut to the schedule classification.
Earlier this month, FDA Commissioner Martin Makary penned a letter sounding the alarm on what he called a “dangerous and growing health trend.”
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“I am very concerned,” Makary wrote. “I want the public to be especially aware of this dangerous product and the serious and continuing risk it poses to America’s youth.”
New York-based Robert Schwaner, M.D., vice chair of system clinical affairs at Stony Brook Emergency Medicine, told Fox News Digital that the FDA has never approved tianeptine as a dietary supplement.
“As with heroin and other opioids, significant mu-opioid receptor stimulation ultimately results in a loss of respiratory drive and subsequent cardiac arrest.” (Dekalb County Sheriff’s Office)
“The euphoria at low doses is primarily due to increased serotonergic activity from its serotonin reuptake effects. With increasing doses, the mu-opioid receptor stimulation may become lethal,” said Schwaner. “As with heroin and other opioids, significant mu-opioid receptor stimulation ultimately results in a loss of respiratory drive and subsequent cardiac arrest.”
Schwaner said he believes the substance requires national regulation due to its addictive qualities.
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“Acting at the same receptor as opioids, tianeptine has the potential for an individual to develop tolerance, subsequent dependence and withdrawal from its use,” he cautioned.
Fox News Digital reached out to the FDA for comment.
Fox News Digital’s Greg Wehner and Melissa Rudy contributed to this report.
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