She also began trialling the mobile phone technology, which comes attached to a lung function monitor.
Doctors treating CF patients want to pick up "exacerbations", where infections lead to a worsening of lung function.
In contrast, patients who received placebo showed a 0.03 percent mean relative change in lung function at Day 28 (within-group).
FORBES: Personalized Cystic Fibrosis Drugs Get A Booster Shot
The real ones improved patients' lung function by 20%, compared with 7% for the alternatives: a dummy inhaler or acupuncture.
As well as squeezing fluid out of the lungs, it may promote the release of hormones that encourage healthy lung function.
Pirfenidone is InterMune's investigational drug candidate for the treatment of patients with idiopathic pulmonary fibrosis to reduce decline in lung function.
Dr Medarov said it might be possible to use relaxation techniques and other types of therapy to modify lung function circadian rhythms.
In particular, eating fruit such as apples is thought to improve lung function, which may help children with asthma control their symptoms.
Her lung function is normal and she no longer needs daily physiotherapy.
Children born with good lung function are less likely to develop asthma.
But Vertex just announced that the second corrector drug, VX-661, also improved lung function at its two top doses when combined with Kalydeco.
FORBES: Personalized Cystic Fibrosis Drugs Get A Booster Shot
Dr Medarov said circadian rhythms of lung function may also have implications for the administration of asthma medications and the timing of medical procedures.
The new study, which only focused on the hours between 8am and 5pm, suggests that lung function may be controlled by the same pattern.
Researchers from the National Jewish Medical and Research Center in Denver, US, found that the hormone caused a drop in lung function in asthmatics.
Although we filmed Sam Yates walking in her garden, most of the time she uses a wheelchair because her lung function is so poor.
They found that as children grow those who breathe smoggier air tend to have slower lung function growth than those who breathe cleaner air.
CNN: Research finds smog could deal a blow to children's health
Since 1993, USC researchers have been testing the lung function of 3, 000 children while monitoring levels of pollution in a dozen Southern California communities.
CNN: Research finds smog could deal a blow to children's health
It may also cause impaired lung function and increased respiratory infections.
The suggestion from scientists was that the drop in lung function was linked at least in part to the high levels of melatonin in their system.
In trials involving 4, 300 patients, the medicine has been shown to reduce asthma attacks and hospitalisations, and to help improve lung function and quality of life.
For one thing, the drug seemed to decrease patient's lung function--apparently the result of the way the insulin, a big, complicated protein, was delivered into the lungs.
The researchers suggest a "small but significant" negative effect of 4% linked to the combined effects of smoking and impaired lung function - itself linked to smoking.
Not only did it improve patients' lung function, it lowered the amount of salt in their sweat, a sign that it may combat CF at its biological root.
Research has show that second-hand smoke can increase the risk of a range of conditions, including sudden infant death syndrome and asthma, as well as impairing lung function.
An experiment for improving lung function was also washed away.
But the results of the trials of that drug, known as VX-809, were less positive, showing improvements in lung function, but not in how much chloride is in sweat.
FORBES: Personalized Cystic Fibrosis Drugs Get A Booster Shot
Vertex already sells a drug called Kalydeco, which causes unprecedented improvements in the lung function of patients with cystic fibrosis if it is caused by a genetic mutation called G551D.
FORBES: Personalized Cystic Fibrosis Drugs Get A Booster Shot
And University of Washington researchers are testing a way to measure lung function in people with asthma or emphysema as they blow onto the phone and it captures the sound.
While the risk reduction is relatively small, 10 percent, COPD is a common and life-threatening condition in which a decline in lung function can be slowed down but not reversed.
While a 2006 French study found that people with diets high in beta-carotene had a slower decline in lung function over an eight-year period, heavy smokers and drinkers may not benefit.
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