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Tuesday, June 21, 2016

The High Cost of Chronic Disease

Bankrate



INSURANCE


The cost of chronic disease











The heavy toll of chronic illness © Katherine Welles/Shutterstock.com

The heavy toll of chronic illness

Chronic disease is a difficult challenge for afflicted individuals, and because of its pervasiveness it has also become a significant problem for the nation, causing 70 percent of U.S. deaths, according to the Centers for Disease Control and Prevention.

Chronic health problems such as cardiovascular disease, diabetes, obesity, cancer and kidney disease account for more than 75 percent of the nation's $2.7 trillion in annual spending for medical care, says Ursula Bauer of the Centers for Disease Control and Prevention.

A long list of burdens contributes to the cost of chronic illness in America, says Bauer, who is director of the CDC's National Center for Chronic Disease Prevention and Health Promotion.

"They make it difficult for us to age in place in our homes and communities," she says. "They strain our families and our physical care systems. ... They take a toll on our employers and businesses, who are often shouldering the costs of these chronic diseases."
Families with employer-sponsored health care have greater out-of-pocket costs when dealing with chronic sickness, according to a November 2011 study from Indiana University-Purdue University Indianapolis. High prescription drug copayments were the main cause of the difference. And illness impacts wealth. A 2010 study from the National Bureau of Economic Research found that the healthiest people accumulate at least 50 percent more assets in retirement than those with the poorest health.

Read on for a breakdown of the financial toll of six of the most common chronic ailments.

Heart disease © Kiselev Andrey Valerevich/Shutterstock.com


Heart disease


The American Heart Association projects that the annual cost of treating cardiovascular disease will triple between 2010 and 2030, spiking from $273 billion to $818 billion, according to a 2011 report. The AHA also estimates that lost productivity due to heart disease will rise from $172 billion in 2010 to $276 billion in 2030. The AHA includes coronary heart disease, high blood pressure, stroke and other related conditions in those figures.

The CDC reports that the treatment and lost productivity costs for coronary heart disease alone top $108.9 billion a year.

Cost-saving health tips: Don't smoke, keep your weight and blood pressure under control, and get moving, says cardiologist Dr. Gregg Fonarow, professor of medicine at the University of California, Los Angeles.
"Engaging in a regular physical activity is a critically important lifestyle modification," Fonarow says.

Adds Bauer: "People refer to physical activity as the closest thing we have to a wonder drug."


Heart disease © Phase4Photography/Shutterstock.com


High blood pressure



According to the CDC, "High blood pressure costs the nation $47.5 billion annually in direct medical expenses and $3.5 billion each year in lost productivity."

Cost-saving health tips: Cut the salt and take your meds. The CDC says reducing average daily sodium consumption from 3,300 milligrams to 2,300 milligrams could potentially save the nation $18 billion in health care costs and reduce the incidence of high blood pressure by 11 million cases a year. But getting there will take more than having home cooks pick up the salt shaker less often.

"Most of the salt we eat, we're not adding at the table ourselves," Bauer says. "Most of that salt is already in prepared, packaged and restaurant foods we buy."
Taking prescribed medication is critical to keeping high blood pressure under control and preventing the occurrence of related illnesses, Fonarow says.

"We have a number of well-tolerated, effective medications that ... can markedly reduce the risk of cardiovascular events such as stroke," he says.


Diabetes © Brent Hofacker/Shutterstock.com


Diabetes




The American Diabetes Association estimates that costs associated with diagnosed diabetes have risen 41 percent, from $174 billion in 2007 to $245 billion in 2012, according to a report released in March. Diabetes and its complications account for 10 percent of all U.S. health care dollars, according to the report.

The average cost per person for diabetes-related medical care rose 19 percent, from $6,649 in 2007 to $7,900 in 2012, the ADA report says. It also found that people with diabetes spend 2.3 times more for medical care than those without the disease.

The ADA attributes the cost increase mainly to the epidemic rise in the prevalence of diabetes, which is projected to affect nearly 1 in 3 U.S. adults by 2050.

Cost-saving health tips: Obesity, which also is an epidemic, is a major risk factor for Type 2 diabetes, the most common form of the illness. The ADA recommends setting realistic, measureable goals aimed at better nutrition and physical fitness. For example, its guidelines suggest you might pledge to eat two pieces of fruit and take a 15-minute walk four days a week for a month to get started.

More on obesity next.

Obesity © Bikeriderlondon/Shutterstock.com


Obesity



The CDC now counts 1 in 3 adults and nearly 1 in 5 youths from ages 6 to 19 as obese. The cost of treating medical problems related to obesity reached an estimated $147 billion in 2008, and individual medical costs for obese patients were $1,429 higher in 2006 than those for people of healthy weight.

Besides creating a high risk for Type 2 diabetes, obesity contributes to the risk of cardiovascular disease and cancer, Fonarow says.

Cost-saving health tips: Any successful weight-loss strategy boils down to one formula, the CDC says: Burn more calories than you consume. To calculate how many calories you need to eliminate to reach your goal, remember that each pound equals about 3,500 calories.

Bauer stresses that exercising and eating right lead to better health at any weight level.
"No matter where you are on that continuum, you can dramatically improve your health status, even if your weight never changes, by regularly getting physical activity and making healthful food choices," she says.

Cancer © Anneka/Shutterstock.com


Cancer



Financial costs related to cancer topped an estimated $201.5 billion in 2008, the most recent year the National Institutes of Health tracked those figures. Direct medical spending accounted for $77.4 billion, while lost productivity because of premature death cost $124 billion.

For some groups, such as those lacking adequate insurance coverage, cancer is even more costly. The American Cancer Society reports that the uninsured and ethnic minorities are more likely to be diagnosed at later stages when treatment can be both more extensive and expensive.

Cost-saving health tips: Shun smoking and keep alcohol consumption moderate. A host of cancers are linked to smoking and excessive drinking, according to the CDC. Apart from causing about 90 percent of lung cancer deaths in men and nearly 80 percent in women, smoking causes cancer of the larynx, mouth, throat, esophagus, bladder, pancreas, cervix and stomach, as well as acute myeloid leukemia. Alcoholism can lead to cancer of the mouth, throat, esophagus, liver, colon and breast.
Bauer notes that eating less red meat and more fruits and vegetables helps reduce the risk of colorectal cancer. Screening tests, such as colonoscopies, mammograms and Pap tests, have saved lives and money by detecting cancer and precancerous cells early.


Kidney disease © Picsfive/Shutterstock.com

Kidney disease


Chronic kidney disease costs $57.5 billion in U.S. health care dollars, according to the most recent figures reported by the National Kidney Disease Education Program. End-stage renal disease costs $39.5 billion.

Kidney disease is the ninth leading cause of death in the United States, according to the National Kidney Foundation. Major risk factors include diabetes, high blood pressure and family history.

"Diabetes is the leading cause of end-stage kidney disease in the U.S.," says Dr. Robert Ratner of the American Diabetes Association. "Not only that, it's the only (cause) that is actually increasing."
According to the National Kidney Foundation, diabetes accounts for 44 percent of all new cases of kidney failure. The second leading cause, uncontrolled high blood pressure, accounts for 28 percent.

Cost-saving health tips: Controlling blood glucose and blood pressure can slow the progression of kidney disease and even prevent it in some cases, Ratner says. Early detection is also key. Most of the 26 million Americans who have the disease don't know it.


The top 10 medications by number of monthly prescriptions are:
  1. Synthroid (levothyroxine), 21.5 million
  2. Crestor (rosuvastatin), 21.4 million
  3. Ventolin HFA (albuterol), 18.2 million
  4. Nexium (esomeprazole), 15.2 million
  5. Advair Diskus (fluticasone), 13.7 million
  6. Lantus Solostar (insulin glargine), 10.9 million
  7. Vyvanse (lisdexamfetamine), 10.4 million
  8. Lyrica (pregabalin), 10.0 million
  9. Spiriva Handihaler (tiotropium), 9.6 million
  10. Januvia (sitagliptin), 9.1 million
The top 10 meds by sales are:
  1. Humira (adalimumab), $8.2 billion
  2. Abilify (aripiprazole), $7.9 billion
  3. Sovaldi (sofosbuvir), $6.9 billion
  4. Crestor (rosuvastatin), $5.9 billion
  5. Enbrel (etanercept), $5.9 billion
  6. Harvoni (ledipasvir and sofosbuvir), $5.3 billion
  7. Nexium (esomeprazole), $5.3 billion
  8. Advair Diskus (fluticasone), $4.7 billion
  9. Lantus Solostar (insulin glargine), $4.7 billion
  10. Remicade (infliximab), $4.6 billion

You can see the complete list of the top 100 in each category on Medscape.

Generic Drugs In Prevention Of Chronic Disease Is Far More Cost-Effective Than Thought

Health Affairs


The Use Of Generic Drugs In Prevention Of Chronic Disease Is Far More Cost-Effective Than Thought, And May Save Money



Abstract

In this article we highlight the important role that medication therapy can play in preventing disease and controlling costs. Focusing on coronary artery disease, we demonstrate that prevention, with the appropriate use of generic medications, appears far more cost-effective than previously documented, and it may even save on costs. For example, an earlier study estimated that reducing blood pressure to widely established clinical guidelines in nondiabetic patients cost an estimated $52,983 per quality-adjusted life-year if a brand-name drug was used. However, we estimate that the cost is just $7,753 per quality-adjusted life-year at generic medication prices. As the nation attempts to find strategies to improve population health without adding to the unsustainably high cost of care, policy makers should focus on ensuring that patients have access to essential generic medications.


Chronic disease accounts for the overwhelming majority of US health care costs.1Appropriate medical management of chronic disease can improve health outcomes and reduce downstream health care costs.2 Patients with chronic diseases are frequently managed with ongoing pharmacologic therapy. Better delivery of cost-effective pharmaceutical care may be one important approach to containing cost while maintaining high-quality care.
Over the next three years, increasing numbers of patents for commonly prescribed chronic disease medications are expected to expire, and many classes of drugs will soon have highly effective generic alternatives that provide low-cost options for chronic disease management. Yet these low-cost generic options are often overlooked in analyses of the cost-effectiveness of chronic disease management.
Published analyses of cost-effectiveness generally are based on the cost of brand-name drugs. As a result, an exhaustive review of a registry of published cost-effectiveness analyses of preventive therapies concluded that although appropriate preventive drug therapy offers meaningful health benefits, it does so at great cost to society.3 These conclusions were based entirely on the cost of brand-name medications.
A highly publicized 2008 study by Richard Kahn and colleagues, which was endorsed by both the American Heart Association and the American Diabetes Association, offers another example.4 The authors used brand-name medication costs in their analysis of the cost-effectiveness of strategies to prevent adverse outcomes associated with cardiovascular disease and diabetes in the United States. They concluded that up to 244 million quality-adjusted life-years could be gained over thirty years in the United States with appropriate preventive care, but that “most prevention activities are expensive when considering direct medical costs.”4(p576)
In this article we examine the cost-effectiveness of generic medications for chronic disease prevention. First, we describe recent and forthcoming instances in which drugs have come off patent and generic equivalents have come on the market. By 2012 these developments will produce a full range of generic options in many therapeutic categories.
Next, using cardiovascular disease as an example, we explore more carefully the potential cost savings of generic drug use. We used the study by Kahn and colleagues as a basis for this work, substituting reasonable generic alternatives and their associated prices in the analysis. We surveyed the cost-effectiveness literature to identify published thresholds that demarcate when preventive cardiovascular medications save costs. The exercise allowed us to explore whether the use of generics can reduce overall health care outlays while improving cardiovascular outcomes. We found that the broad adoption of generic medications, when clinically appropriate, offers a clear way to improve the value of health care.

Availability Of Generic Medications

Pharmaceutical manufacturers produce medications whose patent rights enable them to maintain a monopoly on production for a restricted period of time. This monopoly enables manufacturers to recoup the costs associated with the discovery of useful medications. Because the process of developing and testing medications takes such a long time, the government allows a twenty-year monopoly and specifies the process for generic entry into the marketplace under the Drug Price Competition and Patent Term Restoration Act of 1984 (usually referred to as the Hatch-Waxman Act). These brand-name medications, sold under monopoly, are the primary source of profits for drug manufacturers.
Once a patent expires, other manufacturers can market generic versions of the original drug, and the price for the medication drops enormously.5 Thus, the cost of pharmaceutical therapies should decrease over time, unless much more efficacious brand-name medications continuously replace older ones, and patients are switched to these new drugs.
Such is not the case today. Great advances in understanding the physiological basis of disease in the 1960s gave way to pharmacological advances of the 1970s and 1980s. Many of these medications have now “gone generic,” and still others will follow over the next few years. The best example is Lipitor, the highest-revenue-producing medication in the United States. The Lipitor patents, held by Pfizer, lapse in 2011.6 In 2012 the second-largest-revenue-generating medication, Plavix, goes generic.6
Exhibit 1 shows the value of medications that become available as generics between 2010 and 2013. At the same time, the pipeline for nonbiologic medications that could become “blockbuster” sellers appears relatively dry, and many new brand-name agents are only third- or fourth-tier selections for physicians.
Exhibit 1
Expected Patent Expirations For Medications With Annual Sales Greater Than $1 Billion, 2010–13
SOURCES IMS Health, Goldman Sachs.
The result is that many key classes of pharmacotherapy, excluding the so-called specialty or biologic drugs, will soon have acceptable generic alternatives. Although some physicians have complaints about generics’ quality, the scientific literature indicates no inferiority of clinical efficacy.7 Increasingly, clinical guidelines are encouraging more frequent screening and earlier treatment for chronic disease, leading more patients, particularly in an aging population, to require more frequent chronic medication therapy. So, in a health care system strapped for resources, physicians will increasingly use generics, and patients will have to expect that most of their medications will be generic.

The Cost Of Drug Therapy To Prevent Cardiovascular Disease

Prevention of cardiovascular disease, the most common cause of death in the United States, is central to any policy discussion about overall health care costs. Approximately eighty million Americans have some form of cardiovascular disease, and related annual health care costs in the United States are more than $475 billion.8
Preventing cardiovascular disease can be largely accomplished with low-cost generic medications. National guidelines for the management of hypertension and diabetes recommend generic medications as first-line therapy for most patients.9,10 Guidelines for the treatment of high cholesterol are agnostic as to the choice of statins, as long as patients reach their cholesterol management goals.11
Most large pharmacy chains have lists of generic medications that can be purchased for five dollars or less a month—generally less than fifty dollars annually in total costs per medication. All of these lists include first-line medications to prevent cardiovascular disease in the management of hypertension (thiazide diuretics, angiotensin-converting enzyme inhibitors, and beta-blockers), diabetes (biguanides and sulfonylureas), and hypercholesterolemia (older statins). Exhibit 2 lists major drug classes to prevent cardiovascular disease, and available generic drugs in those classes.
View this table:
Exhibit 2
Generic Availability In Major Drug Classes Used To Prevent Cardiovascular Disease
One additional consideration is that combination medications, which simplify therapy by combining two distinct treatments (for example, a diabetes drug combined with a blood pressure medication), can lead to greater use of brand-name medications and increased medication costs, because brand-name medications often are components of combination medications.

Current Prices

In their assessment of the cost of preventing cardiovascular disease, Kahn and colleagues used person-specific data from a representative database in the United States to assess potential candidates for nationally recommended preventive activities. The authors then applied a mathematical model to simulate the effect of each preventive activity on the cost and health burden of cardiovascular disease over thirty years.
The cost inputs used in the model did not accurately reflect medication prices in the marketplace. The cost of statin therapy to lower low-density lipoprotein cholesterol in low-risk patients to a stated goal was quoted at $1,082 annually; statin costs for higher-risk patients were estimated at $1,543 per year. However, many patients can be adequately treated with generic statins at a fraction of that cost.
Similarly, in the 2008 analysis, annual treatment with an angiotensin-converting enzyme inhibitor was estimated at $1,238 a year for both diabetic and nondiabetic patients, and medication costs for glucose control in diabetic patients were estimated at $3,150 a year. Again, medication management could cost far less with the use of generics. Angiotensin-converting enzyme inhibitors—an important class for the management of hypertension—are available generically at very low cost. Metformin is recommended as a first-line therapy for most diabetics, and sulfonylurea agents, as an appropriate second-line therapy for most diabetics. Both of these are available at very low cost.

Recalculating Costs With Generic Prices

The study by Kahn and colleagues specifically identified annual cost inputs for medications, physician visits, and lab tests for each preventive activity.4 By adjusting the annual medication costs to reflect current generic prices, without altering any of the other health care costs, we recalculated the cost per quality-adjusted life-year of each preventive intervention, assuming prescribing decisions consistent with widely accepted guidelines.
To estimate current medication costs, we used the Centers for Medicare and Medicaid Services’ federal upper limit prices, which represent the highest amount Medicaid can be charged for generic medications.12 We identified the most commonly prescribed drug on the federal upper limit list for each class in this analysis, and we assigned an annual cost by calculating the mean of the available doses on the federal upper limit list and adding two dollars a month for a dispensing fee (Exhibit 3).13 To manage cholesterol in high-risk patients, we assumed that the highest dose of pravastatin would be used.
View this table:
Exhibit 3
Recalculated Costs Of Generic Treatment Versus Brand-Name Treatment
After the cost inputs for the populations of patients modeled by Kahn and colleagues are updated, preventive care using generics appears far more cost-effective than was previously described in Kahn’s original study (Exhibit 3).
For example, reducing blood pressure to widely established clinical guidelines9 in nondiabetic patients costs $7,753 per quality-adjusted life-year with generic medication versus $52,983 described in the study by Kahn and colleagues. Reaching American Diabetes Association goals for glucose control would cost only $1,022 per quality-adjusted life-year with generic pricing compared with $48,759 reported in the 2008 study (Exhibit 3).

Cost-Saving Thresholds In The Published Literature

To quantify better the cost-savings potential of preventive use of generic medications, we reviewed cost-effectiveness studies of preventive therapy (details are provided in the online Appendix).14
We found that overall, there is substantial variation in the reported cost thresholds where medication therapy to prevent cardiovascular disease becomes cost saving (see Appendix Exhibit).14 However, generic therapies appear to be extremely cost-effective and potentially cost saving at current prices. Many cost-effectiveness studies of prevention suggest that generic medications can save lives and reduce costs, because their price is less than some published thresholds for cost savings. Cost savings result when the use of generic therapies reduce downstream complications and the use of health services that outweigh the cost of the medications themselves.

Discussion

The Importance Of Generic Medications

Preventive cardiovascular pharmaceutical care, using generic medications, has the potential to both save lives and reduce overall costs for the health care system. As the nation struggles to find strategies to improve population health without adding to the unsustainably high cost of care, policy makers should focus on ensuring that patients have access to essential generic medications. Not all chronic conditions can be managed sufficiently with generics alone. However, we believe that the example of cardiovascular disease is instructive as policy makers prioritize efforts to expand coverage while reducing costs.
Payers and pharmacy benefit managers have attempted to move patients to generic medications for years, to lower costs for employers and individuals. Virtually all payers have implemented a tiered pharmacy benefit structure that charges patients more for brand-name than generic medications,15 which has led to greater use of generic drugs.16Strategies such as requiring prior authorization for certain drugs and step therapy, which requires that patients start with the most cost-effective and safest drug therapy before moving to costlier medications, have been widely implemented, reducing unnecessary use of expensive brand-name medications.17
Generic substitution laws have been implemented in all states to simplify generic use, although variations in those laws lead to varied rates of generic adoption.18 Specifically, states that require patient consent prior to generic substitution have lower generic substitution rates than those states that do not require consent.18

Continued Resistance

Despite these efforts, some physicians and patients remain resistant to the use of generics and harbor suspicions about them.19,20 A recent survey of physicians suggests that approximately one-fourth of respondents expressed concern about the efficacy and safety of generic drugs.19
Similarly, although patients broadly recognize that generics offer greater value than brand-name medications and endorse greater generic use for the US population generally, only a minority prefer to use generics themselves.20 As a result, one recent study demonstrated that nearly 5 percent of all prescriptions written were designated “dispense as written” by either physicians or patients, which suggests that they demanded the brand-name therapy. The cost of dispense-as-written requests was estimated at more than $7 billion annually in the United States.21
Beyond generic substitution, patients may be more resistant to therapeutic interchange, where a generic medication is substituted for a similar, but not identical, brand-name product to treat the same condition. Some of these perceptions may be related to effective marketing campaigns from brand-name drug makers. Prevailing perceptions by patients and providers highlight an important opportunity for payers and policy makers to target educational campaigns to promote generic acceptability.
We should note that physicians also have a fiduciary role to play. A recent analysis of medical ethics22 suggests that physicians have a responsibility to reduce health care costs wherever possible. Certainly, the use of generic medications is part of that responsibility. Educating physicians about the use of generics will no doubt also allay patients’ concerns.

Relevance To Health Reform

Efforts to implement health reform aim to both expand coverage and contain costs. Policies to improve access to essential generic medications should be central to that effort. Provisions in the health reform legislation to fill the Medicare Part D coverage gap, or so-called doughnut hole, have begun to take effect. However, policies that discount brand-name medications and do not promote access to generic medications seem counterintuitive and may not encourage cost-effective medication use or adherence to therapy.23
As we consider approaches to restructure fundamentally the way we pay for health care through accountable care organizations, providers and policy makers will increasingly be responsible for determining how to invest precious resources to improve health. Accordingly, we must not lose sight of the importance of affordable chronic disease therapy.
Accountable care organizations will have the responsibility to encourage the use of generics. They, patients, and arguably the public at large will benefit from reduced prescription drug prices, while also improving adherence to essential medications and reducing costs related to complications of chronic disease. Physicians must develop better lines of communication with retail pharmacies and pharmacy benefit managers so that they can assist in identifying more cost-effective generic options for patients.
Policy options that limit use of the dispense-as-written designation or that eliminate the need for patient consent prior to generic substitution could have a dramatic effect on generic use. Additionally, the implementation of electronic prescribing should encourage the greater use of generics. Better real-time decision support will be an important tool to use in identifying patient cost-sharing requirements and encouraging doctors to initiate generic options.
Patient and physician education about generics and the use of financial incentives to promote their use should also be considered. No matter who holds the financial risk for illness, using generic medications to prevent, forestall progression of, and treat chronic disease has to be a key part of patient management in a more cost-effective health care system.

Acknowledgments

The Harvard authors received research funding from CVS Caremark. William Shrank is supported by a career development award from the National Institutes of Health (National Heart, Lung, and Blood Institute). The authors thank Amanda Patrick for her help with this article.

ABOUT THE AUTHORS: WILLIAM H. SHRANK, NITEESH K. CHOUDHRY, JOSHUA N. LIBERMAN & TROYEN A. BRENNAN

In this issue of Health Affairs, William Shrank and coauthors find that the use of generic medications to treat patients with chronic disease is highly cost-effective and may even be cost saving. The findings contradict previous analyses of the preventive use of drugs, which considered the use of much more expensive brand-name medications.
The authors conducted their study as part of the CVS Caremark Harvard Partnership to Improve Medication Adherence. They share an interest in maximizing the value of prescription drugs, and they concluded that “using the least expensive among similarly effective medications seemed like a good place to promote more cost-effective medication use,” Shrank says.
Shrank is the principal investigator and director of the CVS Caremark Harvard Partnership. He also serves as an associate physician in the Department of Medicine, Brigham and Women’s Hospital. He is deputy editor of the Journal of General Internal Medicine.
Shrank received his medical degree from Cornell University Medical College and a master’s degree in health services from the University of California, Los Angeles.
Niteesh Choudhry is an assistant professor at Harvard Medical School and an associate physician in the Department of Medicine, Brigham and Women’s Hospital. He also serves as director of research operations for the department’s Division of Pharmacoepidemiology and Pharmacoeconomics.
Choudhry won the department’s 2010 Jean Jackson Distinguished Bedside Teacher Award and has been nominated for its 2011 Bernard Lown Award for Excellence in Teaching. He received his medical degree from the University of Toronto and his doctorate in health care policy from Harvard University.
Joshua Liberman is vice president of research operations at Geisinger Health System’s Center for Health Research. He received a master’s degree in occupational and environmental epidemiology and a doctorate in epidemiology from the Johns Hopkins University.
Troyen Brennan is the executive vice president and chief medical officer at CVS Caremark. He received his medical degree, law degree, and master’s degree in health policy from Harvard University.

NOTES




















  1. To access the Appendix, click on the Appendix link in the box to the right of the article online.