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Using Science To Solve Oral Health Inequities
Posted on by Rena D'Souza, D.D.S., M.S., Ph.D., National Institute of Dental and Craniofacial Research
At NIH, we have a front row seat to remarkable advances in science and technology that help Americans live longer, healthier lives. By studying the role that the mouth and saliva can play in the transmission and prevention of disease, the National Institute of Dental and Craniofacial Research (NIDCR) contributed to our understanding of infectious agents like the coronavirus SARS-CoV-2, the cause of COVID-19. While these and other NIH-supported advances undoubtedly can improve our nation’s health as a whole, not everyone enjoys the benefits equally—or at all. As a result, people’s health, including their oral health, suffers.
That’s a major takeaway from Oral Health in America: Advances and Challenges, a report that NIDCR recently released on the status of the nation’s oral health over the last 20 years. The report shows that oral health has improved in some ways, but people from marginalized groups —such as those experiencing poverty, people from racial and ethnic minority groups, the frail elderly, and immigrants—shoulder an unequal burden of oral disease.
At NIDCR, we are taking the lessons learned from the Oral Health in America report and using them to inform our research. It will help us to discover ways to eliminate these oral health differences, or disparities, so that everyone can enjoy the benefits of good oral health.
Why does oral health matter? It is essential for our overall health, well-being, and productivity. Untreated oral diseases, such as tooth decay and gum disease, can cause infections, pain, and tooth loss, which affect the ability to chew, swallow, eat a balanced diet, speak, smile, and go to school and work.
Treatments to fix these problems are expensive, so people of low socioeconomic means are less likely to receive quality care in a timely manner. Importantly, untreated gum disease is associated with serous systemic conditions such as diabetes, heart disease, and Alzheimer’s disease.
A person experiencing poverty also may be at increased risk for mental illness. That, in turn, can make it hard to practice oral hygiene, such as toothbrushing and flossing, or to maintain a relationship with a dental provider. Mental illnesses and substance use disorders often go hand-in-hand, and overuse of opioids, alcohol, and tobacco products also can raise the risk for tooth decay, gum disease, and oral cancers. Untreated dental diseases in this setting can cause pain, sometimes leading to increased substance use as a means of self-medication.
Research to understand better the connections between mental health, addiction, and oral health, particularly as they relate to health disparities, can help us develop more effective ways to treat patients. It also will help us prepare health providers, including dentists, to deliver the right kind of care to patients.
Another area that is ripe for investigation is to find ways to make it easier for people to get dental care, especially those from marginalized or rural communities. For example, the COVID-19 pandemic spurred more dentists to use teledentistry, where practitioners meet with patients remotely as a way to provide certain aspects of care, such as consultations, oral health screenings, treatment planning, and education.
Teledentistry holds promise as a cost-saving approach to connect dentists to people living in regions that may have a shortage of dentists. Some evidence suggests that providing access to oral health care outside of dental clinics—such as in schools, primary care offices, and community centers—has helped reduce oral health disparities in children. We need additional research to find out if this type of approach also might reduce disparities in adults.
These are just some of the opportunities highlighted in the Oral Health in America report that will inform NIDCR’s research in the coming years. Just as science, innovation, and new technologies have helped solve some of the most challenging health problems of our time, so too can they lead us to solutions for tackling oral health disparities. Our job will not be done until we can improve oral and overall health for everyone across America.
Oral Health in America: Advances and Challenges (National Institute of Dental and Craniofacial Research/NIH)
Oral Health in America Editors Issue Guidance for Improving Oral Health for All (NIDCR)
NIH, HHS Leaders Call for Research and Policy Changes To Address Oral Health Inequities (NIDCR)
NIH/NIDCR Releases Oral Health in America: Advances and Challenges (NIDCR)
Note: Acting NIH Director Lawrence Tabak has asked the heads of NIH’s Institutes and Centers (ICs) to contribute occasional guest posts to the blog to highlight some of the interesting science that they support and conduct. This is the 11th in the series of NIH IC guest posts that will run until a new permanent NIH director is in place.
10 Years of Protecting Public Health Through Tobacco Regulatory Research
Posted on by David M. Murray, Ph.D., NIH Office of Disease Prevention
“Kids are flocking to flavored, disposable e-cigarettes, study finds” – The Washington Post
“New ‘candy’ e-cigs catch fire after U.S. regulators stamp out Juul’s flavors” – Reuters
Headlines like these highlight a real challenge for people who want to protect kids from the harms of using tobacco products. While flavors, such as mint, menthol, watermelon, and apple pie are safe to consume in food products, inhaling them in tobacco products can be harmful and put the health of our kids at risk.+
A special kind of research is needed to help public health authorities keep up with the latest changes and trends in tobacco products. That includes studying how these flavored tobacco products are attractively marketed to children and how quickly many started using them.
In 2013, NIH and the Food and Drug Administration (FDA) launched a unique interagency partnership called the Tobacco Regulatory Science Program (TRSP), directed by Helen Meissner. It aims to reduce the public health impact of tobacco product use across the country. The NIH administers the research program through the Office of Disease Prevention (ODP), which I lead, to help inform FDA’s tobacco regulatory priorities.
This unique partnership also represents a new field of study called tobacco regulatory research. It informs proposed regulations for tobacco products based on strong scientific evidence. The TRSP brings together scientists from diverse fields, such as epidemiology, chemistry, toxicology, addiction, and psychology, to shed light on why people try and continue to use tobacco, how tobacco use affects health, and which policies might help reduce the risk of harm.
Now celebrating its 10th anniversary, this extremely productive partnership has resulted in more than 400 research grants, all peer-reviewed and designed to increase our understanding of existing and emerging tobacco products and their associated health risks.
Our research includes studies showing that menthol in cigarettes makes it easier to start smoking by reducing the harshness of tobacco . People who smoke menthol cigarettes also show more signs of nicotine dependence and, therefore, are less likely to successfully quit. The research shows this is because menthol interacts with nicotine in the brain, making nicotine even more addictive.
Additionally, researchers have explored how marketing and promotion of menthol and flavored tobacco products have targeted Black and LGBTQ+ people, socioeconomically disadvantaged populations, and people with mental health challenges. These studies show that this direct marketing has contributed to the burden of tobacco-related disease among these groups and widened health inequities .
The TRSP also has a real-world impact on shaping tobacco policy. In April 2022, the program’s sponsored research was cited in FDA-proposed rules to prohibit menthol as a characterizing flavor in cigarettes and ban all characterizing flavors (other than tobacco) in cigars . These tobacco product standards will have a huge impact on public health by reducing youth experimentation with products like cigarettes, cigars, and cigarillos and increasing the number of people who quit smoking.
Many jurisdictions have already banned flavored tobacco products. Through our partnership with the FDA, TRSP-funded researchers have started evaluating the impact of these policies on tobacco use and public health. The need for research continues as we seek to understand how new tobacco products affect people’s use, attitudes, and health.
However, tobacco products that have the potential to addict a new generation to nicotine continue to be marketed. For example, new products that use “ice-hybrid” flavors which combine cooling and fruity/sweet properties, such as raspberry ice, are being used more often than either fruity/sweet or menthol/mint among young adult e-cigarette users . Illegally marketed, but novel, flavored oral nicotine products, such as gummies and pouches, also are gaining appeal among young people. The dynamic nature of the tobacco market emphasizes the importance of TRSP to support research on tobacco products, directly informing tobacco regulation.
The success of TRSP over the past 10 years demonstrates how establishing a research pipeline that directly informs regulation can lead to effective, evidence-based health policies. The high output of research on the effects of new and emerging tobacco products, such as the appeal and addictiveness of flavored e-cigarettes, provides FDA with data to inform regulatory actions. This partnership is truly helping regulators and policymakers turn scientific discovery into actions designed to protect public health.
 Use of menthol cigarettes, smoking frequency, and nicotine dependence among US youth. Leas EC, Benmarhnia T, Strong DR, Pierce JP. JAMA Netw Open. 2022 Jun 1;5(6):e2217144.
 Menthol smoking and related health disparities. Centers for Disease Control and Prevention, June 27, 2022.
 FDA proposes rules prohibiting menthol cigarettes and flavored cigars to prevent youth initiation, significantly reduce tobacco-related disease and death. FDA News Release, April 28, 2022.
 ‘Ice’ flavoured e-cigarette use among young adults. Leventhal A, Dai H, Barrington-Trimis J, Sussman S. Tob Control. 2023 Jan;32(1):114-117.
Smokefree.gov (U.S. Department of Health and Human Services, Washington, D.C.)
Office of Disease Prevention (NIH)
Tobacco Regulatory Science Program (ODP)
Director’s Messages (ODP)
Note: Dr. Lawrence Tabak, who performs the duties of the NIH Director, has asked the heads of NIH’s Institutes, Centers, and Offices to contribute occasional guest posts to the blog to highlight some of the interesting science that they support and conduct. This is the 29th in the series of NIH guest posts that will run until a new permanent NIH director is in place.
Help for Babies Born Dependent on Opioids
Posted on by Lawrence Tabak, D.D.S., Ph.D.
It’s been estimated that every 18 minutes in the United States, a newborn baby starts life with painful withdrawals from exposure to opioids in the womb. It’s called neonatal opioid withdrawal syndrome (NOWS), and it makes for a challenging start in life. These infants may show an array of withdrawal symptoms, including tremors, extreme irritability, and problems eating and sleeping.
Many of these infants experience long, difficult hospital stays to help them manage their withdrawal symptoms. But because hospital staff have no established evidence-based treatment standards to rely on, there is substantial variation in NOWS treatment around the country. There also are many open questions about the safest and most-effective way to support these babies and their families.
But answers are coming. The New England Journal of Medicine just published clinical trial results that evaluated care for infants with NOWS and which offer some much needed—and rather encouraging—data for families and practitioners . The data are from the Eating, Sleeping, Consoling for Neonatal Opioid Withdrawal (ESC-NOW) trial, led by Leslie W. Young, The University of Vermont’s Larner College of Medicine, Burlington, and her colleagues Lori Devlin and Stephanie Merhar.
The ESC-NOW study is supported through the Advancing Clinical Trials in Neonatal Opioid Withdrawal (ACT NOW) Collaborative. ACT NOW is an essential part of the NIH Helping to End Addiction Long-term (HEAL) Initiative, an aggressive effort to speed scientific solutions to stem the national opioid public health crisis and improve lives.
The latest study puts to the test two different approaches to care for newborns with NOWS. The first approach relies on the Finnegan Neonatal Abstinence Scoring Tool. For almost 50 years, doctors primarily assessed NOWS using this tool. It is based on a scoring system of 21 signs of withdrawal, including disturbances in a baby’s nervous system, metabolism, breathing, digestion, and more. However, there have been concerns that this scoring tool has led to an overreliance on treating babies with opioid medications, including morphine and methadone.
The other approach is known as Eat, Sleep, Console (ESC) care . First proposed in 2014, ESC care has been adopted in many hospitals around the world. Rather than focusing on a long list of physical signs of withdrawal, this approach relies on a simpler functional assessment of whether an infant can eat, sleep, and be consoled. It emphasizes treatments other than medication, such as skin-to-skin contact, breastfeeding, and care from their mothers or other caregivers in a calm and nurturing environment.
The ESC care approach places an emphasis on the use of supportive interventions and aims to empower families in the care and nurturing of their infants. While smaller quality improvement studies of ESC have been compelling, the question at issue is whether the Eat, Sleep, Console care approach can reduce the time until infants with NOWS are medically ready to go home from the hospital in a wide variety of hospital settings—and, most importantly, whether it can do so safely.
To find out, the ESC-NOW team enrolled 1,305 infants with NOWS who were born after at least 36 weeks gestation. The study’s young participants were largely representative of infants with NOWS in the U.S., although non-Hispanic Black and Hispanic infants were slightly overrepresented. The babies were born at one of 26 U.S. hospitals, and each hospital was randomly assigned to transition from usual care using the Finnegan tool to the ESC care approach at a designated time.
Each hospital had a three-month transition period between the usual care and the ESC to allow clinical teams time to train on the new approach. The trial primarily aimed to understand if there was a significant difference in how long newborns with NOWS spent in the hospital before being medically ready for discharge between those receiving usual care versus those receiving ESC care. Researchers also assessed infants for safety, tracking both safety events that occurred during the hospital stay and events that occurred after the baby left the hospital, such as non-accidental trauma or death during an infant’s first three months.
The reported results reflect 837 of the 1,305 infants, who met the study definition of being medically ready for discharge. Infants who were discharged before meeting the study criteria, which were informed by the 2012 American Academy of Pediatrics recommendations for monitoring of infants with NOWS, were not included in the primary analysis.
Among the 837 infants, those who received ESC care were medically ready for discharge significantly sooner than those who received usual care. On average, they were medically ready to go home after about eight days compared to almost 15 days for the usual care group.
Many fewer infants in the ESC care group were treated with opioids compared to the usual care group (19.5 percent versus 52.0 percent). In more good news for ESC care, there was no difference in safety outcomes through the first three months despite the shorter hospital stays and reduced opioid treatment in the hospital. Infants who were cared for using the ESC care approach were no more likely to visit the doctor’s office, emergency room, or hospital after being discharged from the hospital.
More long-term study is needed to evaluate these children over months and years as they continue to develop and grow. Many of the infants in this study will be evaluated for the first two years of life to assess the long-term impact of ESC care on development and other outcomes. These findings offer encouraging early evidence that the ESC care approach is safe and effective. Although there was some variability in the outcomes, this study also shows that this approach can work well across diverse hospitals and communities.
The ESC-NOW trial is just one portion of the NIH Heal Initiative’s ACT NOW program, focused on gathering scientific evidence on how to care for babies with NOWS. Other studies are evaluating how to safely wean babies who do receive treatment with medication off opioids more quickly. The ACT NOW Longitudinal Study also will enroll at least 200 babies with prenatal opioid exposure and another 100 who were not exposed to better understand the long-term implications of early opioid exposure.
I’ve been anxious to see the results of the ESC-NOW study for a few months. It’s been worth the wait. The results show that we’re headed in the right direction with learning how best to treat NOWS and help to improve the lives of these young children and their families in the months and years ahead.
 Eat, Sleep, Console Approach versus usual care for neonatal opioid withdrawal. Young LW, Ounpraseuth ST, Merhar SL, Newman S, Snowden JN, Devlin LA, et al. NEJM, 2023 Apr 30 [Published online ahead of print]
 An initiative to improve the quality of care of infants with neonatal abstinence syndrome. Grossman MR, Berkwitt AK, Osborn RR, Xu Y, Esserman DA, Shapiro ED, Bizzarro MJ. Pediatrics. 2017 Jun;139(6):e20163360.
SAMHSA’s National Helpline (Substance Abuse and Mental Health Services Administration, Rockville, MD)
“Eat, Sleep, Console” reduces hospital stay and need for medication among opioid-exposed infants, NIH news release, May 1, 2023
Helping to End Addiction Long-term® (HEAL) Initiative (NIH)
Advancing Clinical Trials in Neonatal Opioid Withdrawal (ACT NOW)
Environmental Influences on Child Health Outcomes (ECHO) Program (NIH)
Leslie Young (The University of Vermont, Larner College of Medicine, Burlington)
NIH Support: The Eunice Kennedy Shriver National Institute of Child Health and Human Development; National Center for Advancing Translational Sciences; Office of the Director
NIH HEAL Initiative Meets People Where They Are
Posted on by Rebecca Baker, Ph.D., NIH Helping to End Addiction Long-term® (HEAL) Initiative
The opioid crisis continues to devastate communities across America. Dangerous synthetic opioids, like fentanyl, have flooded the illicit drug supply with terrible consequences. Tragically, based on our most-recent data, about 108,000 people in the U.S. die per year from overdoses of opioids or stimulants . Although this complex public health challenge started from our inability to treat pain effectively, chronic pain remains a life-altering problem for 50 million Americans.
To match the size and complexity of the crisis, in 2018 NIH developed the NIH Helping to End Addiction Long-term® (HEAL) Initiative, an aggressive effort involving nearly all of its 27 institutes and centers. Through more than 1,000 research projects, including basic science, clinical testing of new and repurposed drugs, research with communities, and health equity research, HEAL is dedicated to building a new future built on hope.
In this future:
- A predictive tool used during a health visit personalizes treatment for back pain. The tool estimates the probability that a person will benefit from physical therapy, psychotherapy, or surgery.
- Visits to community health clinics and emergency departments serve as routine opportunities to prevent and treat opioid addiction.
- Qualified school staff and pediatricians screen all children for behavioral and other mental health conditions that increase risk for harmful developmental outcomes, including opioid misuse.
- Infants born exposed to opioids during a mother’s pregnancy receive high-quality care—setting them up for a healthy future.
Five years after getting started (and interrupted by a global pandemic), HEAL research is making progress toward achieving this vision. I’ll highlight three ways in which scientific solutions are meeting people where they are today.
A Window of Opportunity for Treatment in the Justice System
Sadly, jails and prisons are “ground zero” for the nation’s opioid crisis. Eighty-five percent of people who are incarcerated have a substance use disorder or a history of substance use. Our vision at HEAL is that every person in jail, prison, or a court-supervised program receives medical care, which includes effective opioid use disorder treatment.
Some research results already are in supporting this approach: A recent HEAL study learned that individuals who had received addiction treatment while in one Massachusetts jail were about 30 percent less likely to be arrested, arraigned, or incarcerated again compared with those incarcerated during the same time period in a neighboring jail that did not offer treatment . Research from the HEAL-supported Justice Community Opioid Innovation Network also is exploring public perceptions about opioid addiction. One such survey showed that most U.S. adults see opioid use disorder as a treatable medical condition rather than as a criminal matter . That’s hopeful news for the future.
A Personalized Treatment Plan for Chronic Back Pain
Half of American adults live with chronic back pain, a major contributor to opioid use. The HEAL-supported Back Pain Consortium (BACPAC) is creating a whole-system model for comprehensive testing of everything that contributes to chronic low back pain, from anxiety to tissue damage. It also includes comprehensive testing of promising pain-management approaches, including psychotherapy, antidepressants, or surgery.
Refining this whole-system model, which is nearing completion, includes finding computer-friendly ways to describe the relationship between the different elements of pain and treatment. That might include developing mathematical equations that describe the physical movements and connections of the vertebrae, discs, and tendons.
Or it might include an artificial intelligence technique called machine learning, in which a computer looks for patterns in existing data, such as electronic health records or medical images. In keeping with HEAL’s all-hands-on-deck approach, BACPAC also conducts clinical trials to test new (or repurposed) treatments and develop new technologies focused on back pain, like a “wearable muscle” to help support the back.
Harnessing Innovation from the Private Sector
The HEAL research portfolio spans basic science to health services research. That allows us to put many shots on goal that will need to be commercialized to help people. Through its research support of small businesses, HEAL funding offers a make-or-break opportunity to advance a great idea to the marketplace, providing a bridge to venture capital or other larger funding sources needed for commercialization.
This bridge also allows HEAL to invest directly in the heart of innovation. Currently, HEAL funds nearly 100 such companies across 20 states. While this is a relatively small portion of all HEAL research, it is science that will make a difference in our communities, and these researchers are passionate about what they do to build a better future.
A couple of current examples of this research passion include: delivery of controlled amounts of non-opioid pain medications after surgery using a naturally absorbable film or a bone glue; immersive virtual reality to help people with opioid use disorder visualize the consequences of certain personal choices; and mobile apps that support recovery, taking medications, or sensing an overdose.
In 2023, HEAL is making headway toward its mission to accelerate development of safe, non-addictive, and effective strategies to prevent and treat pain, opioid misuse, and overdose. We have 314 clinical trials underway and 41 submissions to the Food and Drug Administration to begin clinical testing of investigational new drugs or devices: That number has doubled in the last year. More than 100 projects alone are addressing back pain, and more than 200 projects are studying medications for opioid use disorder.
The nation’s opioid crisis is profoundly difficult and multifaceted—and it won’t be solved with any single approach. Our research is laser-focused on its vision of ending addiction long-term, including improving pain management and expanding access to underused, but highly effective, addiction medications. Every day, we imagine a better future for people with physical and emotional pain and communities that are hurting. Hundreds of researchers and community members across the country are working to achieve a future where people and communities have the tools they need to thrive.
 Provisional drug overdose death counts. Ahmad FB, Cisewski JA, Rossen LM, Sutton P. National Center for Health Statistics. 2023.
 Recidivism and mortality after in-jail buprenorphine treatment for opioid use disorder. Evans EA, Wilson D, Friedmann PD. Drug Alcohol Depend. 2022 Feb 1;231:109254.
 Social stigma toward persons with opioid use disorder: Results from a nationally representative survey of U.S. adults. Taylor BG, Lamuda PA, Flanagan E, Watts E, Pollack H, Schneider J. Subst Use Misuse. 2021;56(12):1752-1764.
SAMHSA’s National Helpline (Substance Abuse and Mental Health Services Administration, Rockville, MD)
NIH Helping to End Addiction Long-term® (HEAL) Initiative
Video: The NIH HEAL Initiative–HEAL Is Hope
Justice Community Opioid Innovation Network (HEAL)
Back Pain Consortium Research Program (HEAL)
NIH HEAL Initiative 2023 Annual Report (HEAL)
Small Business Programs (HEAL)
Rebecca Baker (HEAL)
Note: Dr. Lawrence Tabak, who performs the duties of the NIH Director, has asked the heads of NIH’s Institutes, Centers, and Offices to contribute occasional guest posts to the blog to highlight some of the interesting science that they support and conduct. This is the 28th in the series of NIH guest posts that will run until a new permanent NIH director is in place.