A new vaccine that has raised hopes of becoming a potent new tool in the battle against malaria seems to stop working in children after four years, according to research published Wednesday.

Physical therapy is often as effective as knee surgery when treating patients with tears to the meniscus or arthritis, according to a clinical study published on Tuesday.

A single dose of an experimental anti-inflammatory treatment reduces heart muscle damage during an angioplasty operation to open blocked arteries, a study found Sunday.

Researchers in Japan have moved one step closer to clinical trials using adult stem cells in a therapy they hope will prove a cure for common sight problems, an official said Thursday.

IBM is putting its Watson supercomputer to work fighting cancer, in what is described as the first commercial program of its kind to use "big data" to help patients with the disease.

The most promising vaccine to replace the world's 91-year-old tuberculosis jab does not protect against the disease, according to results released Monday of large-scale trials conducted among infants in South Africa.

India's Supreme Court said on Thursday that unregulated clinical trials of new drugs were causing "havoc" in the country as it ordered the health ministry to monitor any new applications for tests.

US market regulators implicated star hedge fund group SAC Capital Tuesday in what they called a record insider trading case that earned beneficiaries $276 million from privileged knowledge of drug test results.

German pharmaceuticals maker Merck KGaA said Tuesday it is withdrawing its application for its drug Erbitux to be used to treat patients with lung cancer.

Researchers reported progress Monday with an experimental drug cocktail that killed a record 99 percent of TB bacteria in two weeks and costs a fraction of existing treatments.

German pharmaceuticals maker Merck KGaA said Thursday that phase III clinical trials of its gastric cancer drug Erbitux had shown no benefits for patients.

Two new experimental treatments against advanced melanoma have shown promise in keeping deadly skin cancer at bay, according to research presented in the United States on Monday.

An experimental drug treatment may help keep a certain kind of aggressive breast cancer at bay, offering new hope for individual therapies against difficult tumors, said research released Sunday.

A drug cocktail that combines chemotherapy with Avastin was shown to double the amount of time patients lived without progression of ovarian cancer, according to research released Saturday.

A drug that is already approved for prostate cancer has been shown to slow the spread of advanced forms of the disease for the first time, according to research released Saturday.

A pair of experimental treatments that fight cancer by boosting the immune system have shown promise in early studies and deserve testing in larger patient groups, said US research released Saturday.

India's Health Ministry said Thursday it was examining charges that the government's top drug regulatory agency had colluded with pharmaceutical firms to approve drugs without proper clinical trials.

A new method of delivering cancer drugs that could cut down on chemotherapy's side effects and boost the strength of the tumor-fighting medicine has shown promise, US researchers said Wednesday.

South African researchers said Friday they were conducting medical trials to shorten the duration of tuberculosis treatment to make it easier for patients to complete the full regimen.

A new kind of blood thinner that comes in a pill form and is made by German drug giant Bayer works as well as injection therapy to ward off blood clots in the lungs, said a study on Monday.