Cancer Drug Prices Skyrocket Since 1995
Published : 2015-03-18 - Updated : 2017-09-20
Author : Massachusetts Institute of Technology - Contact: Abby Abazorius - firstname.lastname@example.org
🛈 Synopsis : Over past 20 years prices of leading cancer drugs have risen at rates far outstripping inflation.
The prices of leading cancer drugs have risen at rates far outstripping inflation over the last two decades, according to a new study co-authored by an MIT economist - but the exact reasons for the cost increases are unclear.
Chemotherapy (often abbreviated to chemo and sometimes CTX or CTx) is a category of cancer treatment that uses chemical substances, especially one or more anti-cancer drugs (chemotherapeutic agents) that are given as part of a standardized chemotherapy regimen. The term chemotherapy is used to describe cancer-killing drugs.
Chemotherapy may be used to:
- Cure the cancer.
- Shrink the cancer.
- Prevent the cancer from spreading.
- Relieve symptoms the cancer may be causing.
Since 1995, a group of 58 leading cancer drugs has increased in price by 10 percent annually, even when adjusted for inflation and incremental health benefits, the study finds.
More specifically, in 1995, cancer drugs in this group cost about $54,100 for each year of life they were estimated to add; by 2013, such drugs cost about $207,000 per each additional year of life.
Those increases have sparked criticism in recent years from doctors, among other groups, who have questioned the pricing of major drugs. But the empirical results may also show, the researchers say, that rising price levels reflect a greater social tolerance for significant health-care costs.
"I think the value of good health has really increased enormously over the last few decades," says Ernst Berndt, the Louis E. Seley Professor in Applied Economics at the MIT Sloan School of Management, and co-author of a new paper detailing the study's findings. "We treasure it and are willing to pay a fair bit for that."
The paper notes that there have been some cases of political backlash in recent years - in Oregon, for instance - in response to proposed policies that would limit the ability of public insurance programs to buy expensive, life-extending cancer drugs. On the other hand, as the authors observe, patient cost-sharing in medical plans has also increased since 1995, limiting the extent to which demand can explain the changes.
Patients do seem to be paying for improved quality, to an extent:
The study found a positive correlation between the effectiveness of drugs and their prices. Cancer drug prices rise about 120 percent for each additional year of life gained by a patient, in aggregate.
"We found that the greater the improvement of the drug over the existing therapies, the higher the price," Berndt explains. "So price was related to quality - but price increased more than did quality."
So what else is driving prices?
The paper, "Pricing in the Market for Anticancer Drugs," is published in the latest issue of the Journal of Economic Perspectives. In addition to Berndt, the co-authors are Peter B. Bach, a physician at Memorial Sloan Kettering Cancer Center in New York; Rena M. Conti, an assistant professor of health policy at the University of Chicago; and David H. Howard, an associate professor at Emory University's Rollins School of Public Health.
Globally, cancer drugs are the class of pharmaceuticals with the highest sales, at $91 billion in 2013; $37 billion of that spending was in the U.S. As in many major global markets, there is contention about what price levels are justified. The paper notes that in 2013, a group of 100 prominent oncologists claimed that drug companies' pricing policies involved a "simple formula: start with the price of the most recent similar drug on the market and price the new one within 10-20 percent of that price (usually higher)."
The paper notes that such assertions are at least consistent with "reference price models of demand," in which consumers' decisions to pay involve existing prices, rather than a measurement of intrinsic value. Berndt says such challenges are "probably credible," but notes that it is hard to assess how much money pharmaceutical companies have spent developing specific drugs.
"Typically drug companies and biotech companies simultaneously study all sorts of medicines," Berndt notes. Therefore, he adds, "It's extremely difficult to allocate historical costs of drug development to specific new drugs."
There may be some additional factors entering into the cost of cancer therapeutics today.
The "340B" pricing program enacted by Congress in 1992, the paper notes, requires discounts for some hospitals and clinics, which may incentivize companies to raise prices to compensate.
Overall, the authors conclude, "We believe the direction of causation runs from prices to research and development costs - as prices increase, manufacturers are willing to spend more to discover new drugs - rather than the other way around."
Experts in the field say the authors have shed welcome light on an important trend in medicine.
The study was partially funded by a grant from the National Cancer Institute.
- In the broad sense, most chemotherapeutic drugs work by impairing mitosis (cell division), effectively targeting fast-dividing cells.
- Alkylating agents are the oldest group of chemotherapeutics in use today.
- Resistance is a major cause of treatment failure in chemotherapeutic drugs.
- Due to immune system suppression, typhlitis is a "life-threatening gastrointestinal complication of chemotherapy."
- Most chemotherapy is delivered intravenously, although a number of agents can be administered orally (e.g., melphalan, busulfan, capecitabine).
- Chemotherapy may use one drug at a time (single-agent chemotherapy) or several drugs at once (combination chemotherapy or polychemotherapy).
- There has been recent controversy over the use of BSA to calculate chemotherapy doses for obese patients.
- The first use of drugs to treat cancer was in the early 20th century, although it was not originally intended for that purpose.
- Nausea, vomiting, anorexia, diarrhea, abdominal cramps, and constipation are common side-effects of chemotherapeutic medications that kill fast-dividing cells.
- Consolidation chemotherapy is given after remission in order to prolong the overall disease-free time and improve overall survival.
- Chemotherapy may be given with a curative intent or it may aim to prolong life or to palliate symptoms.
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Journal: Disabled World. Language: English (U.S.). Author: Massachusetts Institute of Technology. Electronic Publication Date: 2015-03-18 - Revised: 2017-09-20. Title: Cancer Drug Prices Skyrocket Since 1995, Source: <a href=https://www.disabled-world.com/medical/pharmaceutical/soared.php>Cancer Drug Prices Skyrocket Since 1995</a>. Retrieved 2021-04-12, from https://www.disabled-world.com/medical/pharmaceutical/soared.php - Reference: DW#269-11334.