Monday, April 27, 2020

FDA Authorizes First COVID-19 At-Home Test Kit—Here’s What to Know

In mid-March, multiple start-ups started advertising at-home COVID-19 test kits—a possible remedy to the delayed testing process in the US amid the coronavirus outbreak. Two of the companies—Carbon Health and Nurx—each claimed their at-home kits would let people collect their own samples to send to a lab for testing, according to the New York Times; and another company, Everlywell, shared that it would be the first to distribute at-home COVID-19 tests to consumers, per People.

But just days after the announcements, the FDA issued a warning that it had not yet approved any at-home coronavirus tests. "We want to alert the American public that, at this time, the FDA has not authorized any test that is available to purchase for testing yourself at home for COVID-19."

Currently, both Nurx and Carbon Health have paused their COVID-19 home-test sales, and Everlywell has made their at-home tests specifically available for "qualifying hospitals and healthcare companies," according to their website. And according to reporting by TechCrunch, those who have already received previously purchased kits by Carbon Health were told that they should dispose of the kits, and that, if they had already shipped a sample back, it would be destroyed.

There's been a lot of back and forth on the issue. Even the White House said on March 23 that "self-swabbing" options should be available to citizens sometime during that week, although that never materialized.

Finally, on April 21, the FDA granted emergency authorization for LabCorp's at-home test kit. Specifically, the FDA is allowing the Burlington, N.C.-based diagnostics maker to test consumers' self-collected nasal samples using the company's at-home test kit. Initially, LabCorp will make the kits available to frontline healthcare workers and first responders who have been exposed to COVID-19 or have symptoms of the illness.

LabCorp intends to make its home collection kits available to consumers, in most states, with a doctor's order in the coming weeks, the FDA noted. Per the New York Times, LabCorp has said that the test will cost $119 and that people must pay out of pocket; they would have to ask their health insurer for reimbursement.

The FDA's action is not a blanket approval for at-home collection of patient samples. The agency is still warning consumers to steer clear of fraudulent test kits sold online.

So what does at-home COVID-19 testing involve, and what are the benefits and risks? Here's what we know so far.

What does at-home COVID-19 testing involve?

LabCorp's emergency authorization allows the company to distribute its Pixel by LabCorp COVID-19 test to individuals (initially healthcare workers and first responders) if a healthcare provider recommends testing after a person has completed a COVID-19 questionnaire. As the FDA explains, patients will use the test kit's designated nasal swabs to collect their sample and then mail it back in an insulated packaged to LabCorp for testing.

In the wake of the FDA crackdown, Nurx has paused all new at-home test requests, and Everlywell is only making its kits available in bulk for healthcare professionals. Each describes similar test procedures.

If you were (hypothetically, now) approved for a COVID-19 test through Nurx (which would initially entail answering an online questionnaire about your symptoms, risk factors, and health history), the company's lab partner would send you a kit via overnight mail with instructions on its use: take the included swab, brush both sides of the back of your throat, and return if overnight in a prepaid envelope. After mailing your sample back, Nurx says you could get your results back within 48 hours.


Who would benefit most from an at-home COVID-19 test?

An at-home coronavirus test for consumers would be best for mild or asymptomatic cases, Tania Elliott, MD, a telemedicine and immunology expert in New York City, tells Health. That means people with less-severe symptoms including cough, low-grade fever, and/or maybe a quick bout of diarrhea or gastrointestinal issues.

People with more severe symptoms, however—extreme shortness of breath, high fever—shouldn't rely on one of these tests, as they could cause a delay in treatment while you’re waiting for the results and deciding whether to seek medical help. “The earlier patients with severe disease are detected and treated, the better their outcomes,” says Dr. Elliott.

There's a chance, says Dr. Elliott, that if you call your healthcare provider right now with symptoms consistent with COVID-19, but you are mildly ill, you'll likely be told to self-isolate and recover at home for a certain amount of time (typically 14 days) out of caution. It's in these cases where an at-home test could come in handy: to know if you actually are suffering from COVID-19 or if you have something else, like the flu, says Dr. Elliott.
Are there any downsides to at-home COVID-19 testing?

Well, yes (the FDA issued a warning against them, remember?). Per the administration, unauthorized fraudulent tests can pose serious health risks to the American public. "They may keep some patients from seeking care or delay necessary medical treatment," the FDA said in a press release.

According to Dr. Elliott, it's also incredibly easy to exaggerate your symptoms in order to qualify for a test—especially if you're checking boxes in an online symptoms checker. Aside from that, there could also be issues with incorrectly retrieving your own specimen. (When a professional swabs your nasal passages or throat, they have to go really deep—likely much deeper than people are willing to go on themselves.) Then, if a sample isn't up-to-par with testing regulations, there could be a further delay or no results at all, says Dr. Elliott. Other potential problems: false positive and false negative reporting—giving consumers unnecessary stress or a false sense of security.

Ultimately, though, an expansion of testing is critical to eventually winning against the novel coronavirus—as long as it's approved and reliable. “If you ask any healthcare official, we need to open the floodgates of testing availability,” says Dr. Elliott, “As long as it’s an accurate test and not cumbersome to do.”

If you have symptoms of COVID-19, the FDA, CDC, and other medical professionals still recommend speaking to your medical provider, who can then advise you about whether you should get tested and how to go about getting properly tested.

The information in this story is accurate as of press time. However, as the situation surrounding COVID-19 continues to evolve, it's possible that some data have changed since publication. While Health is trying to keep our stories as up-to-date as possible, we also encourage readers to stay informed on news and recommendations for their own communities by using the CDC, WHO, and their local public health department as resources.


This is only for your information, kindly take the advice of your doctor for medicines, exercises and so on.     

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Monday, September 30, 2019

Study Underway For a New Drug to Reduce Alzheimer's Effect

health, family and parenting, brain, cognitive function, Alzheimer's disease, medicine, drug, clinical trial, study. research,

Finally, the chosen 56 participants were randomly given either the placebo or 10 mg of NA-381, to be consumed strictly daily for a period of 24 weeks. According to Mr. Lloyd L. Tran, the Chairman and CEO of NeuroActiva Inc., the drug NA-831 was designed specifically to target neurotransmitters in the brain, with the aim of reconnecting them. 


From July 22nd to July 26th, 2018, the Alzheimer’s Association International Conference was held in Chicago, Illinois. Of the numerous presentations made during the Conference, one stood out as a possible medical breakthrough. According to NeuroActiva Inc., a company based out of California, research is being conducted on a drug called NA-831, which is aimed at reducing mild cognitive deterioration, associated with Alzheimer's disease.

The Clinical Trial was carried out as a double-blind placebo-controlled study on the safety and efficacy of the drug NA 831. This essentially means that none out of the final 56 participants chosen (out of nearly 150 that enrolled to participate in the trial) had knowledge of whether they were receiving the placebo or the drug, and the distribution of the same was completely randomized.


The first phase of the trial hoped that by revitalizing the communication system of the brain, both memory and functionality could be restored and improved. The main focus of the trial was reversing or lessening the effects of mild cognitive impairment (MCI), which is also defined as the “symptomatic pre-dementia stage” of the cognitive decline associated with Alzheimer’s. The first phase of the test, therefore, targeted specifically those with MCI rather than existing and prevalent dementia.

The Clinical Trial used two major scales to measure the outcomes of the study. These are :
1) Clinical Dementia Rating scale-Sum of Boxes (CDR-SB) Score, which deals with 6 areas of cognitive function, namely memory, judgment and problem solving, orientation, home and hobbies, community affairs, and finally personal care.

2) Alzheimer's Disease Cooperative Study-Activities of Daily Living Inventory (Mild Cognitive Impairment version) (ADCS-ADL MCI), which made use of the Galasko method for the study, that covered 23 different areas of self-care, mental and physical functioning.
health, family and parenting, brain, cognitive function, Alzheimer's disease, medicine, drug, clinical trial, study. research,
Both scales of each patient were determined in Week 2 and Week 24 respectively, after the required dosage of either NA-831 or the placebo were taken. The results were obtained through a series of interviews and activities directed at the concerned patient as well as their loved ones. Per the results of these interviews and activities, the outcome of each patient was noted down in a 5 point scale for CDR-SB and a scoring range of 0-78 for ADCS-ADL, depending on the level of impairment.

After comparing the scores of the scales collected in Week 2 and the scores collected in Week 24, it was determined that there were improvements in numerous existing symptoms of Alzheimer’s, including but not limited to fatigue, irritability, and rectified sleep patterns along with slowly improved cognitive functioning.

In the next steps of the trial, the dose of NA-831 taken by patients was increased to 20 mg and then 40 mg. It was found that up to 50 mg of the drug could be taken and easily tolerated on daily basis by patients, with little to no side effects, with only 4 patients complaining of minor headaches and diarrhea.     

It has, however, been noted that the study did not comprehensively compare the results of the placebo and that of the drug NA-831, in a statistical manner. This makes it difficult to determine conclusively the effects of the drug on cognitive function in patients with either MCI or those suffering from moderate dementia, as a result of Alzheimer’s disease.

As the drug currently remains in the testing and trial phase, it has not been conclusively proven that NA-831 will prevent cognitive damage, nor has any health authority been in a capacity to approve manufacture or sale of the drug in a wide-scale. Nonetheless, NA-831 has opened new doors in medicine to approach Alzheimer’s treatments from a different and powerful perspective.  

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Friday, December 28, 2018

A high-tech bandage that speeds up healing

Researchers have built a new smart bandage that speeds up the healing process by sending an electrical stimulation.

The self-powered bandage generates an electric field over an injury and sends mild stimulation, thereby reducing the time taken for the wound to heal, Fast Company reported.

The tests, conducted on rats, showed that the e-bandages heal wounds within three days, compared to 12 days taken by a normal control bandage. The researchers now intend to further study how it affects pigskin, which closely resembles human tissue.

The revolutionary bandage by researchers is likely to prove helpful for people who suffer from chronic wounds such as diabetic foot ulcers, venous ulcers, and non-healing surgical wounds.

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Tuesday, September 16, 2014

Mild hyper-tension can be treated without drugs

For people with mild hyper-tension, encouraging lifestyle changes should be the first line of recommendations for physicians rather than putting them on drugs, suggest experts. Lead researcher Stephen Martin and colleagues argue that the current strategy is failing patients and wasting healthcare resources. ‘Over-emphasis on drug treatment risks adverse effects such as increased risk of falls and misses opportunities to modify individual lifestyle choices,’ they noted.
 
They called for a re-examination of the threshold and urge clinicians to be cautious about treating low risk patients with blood pressure lowering drugs. Up to 40 percent of adults worldwide have hyper-tension, over half of which is classified as mild. Low risk indicates that an individual does not have existing cardiovascular diseases, diabetes or kidney diseases.

Over the years, hyper-tension has been treated with drugs at progressively lower blood pressures. ‘We urge clinicians to share the uncertainty surrounding drug treatment of mild hypertension with patients, measure blood pressure at home, improve accuracy of clinic measurements and encourage lifestyle changes,’ Martin concluded. They were scheduled to discuss the findings at the 2014 Preventing Over diagnosis Conference hosted by the Centre for Evidence-based Medicine at the University of Oxford.

Here are ten ways high blood pressure affects your body.

Affects the blood vessels
In hypertension the wall of the blood vessels lose their elasticity and become firm or hard, a condition called arteriosclerosis. Because of the constant pressure the walls of the artery become weak and over time, may cause a part of it to bulge. This forms an aneurysm (distension or a pouch-like structure in the vessel wall) which can rupture and is invariably fatal.

Fails your heart
High blood pressure thickens and damages the lining of the blood vessels of the heart.The damaged blood vessels are prone to the formation of clots which can grow and block the blood supply to the heart. This can reduce the efficiency of the heart and also damage its tissues leading to angina (chest pain). Increased blood pressure also increases the workload of the heart.This causes thickening of its muscle wall especially the left ventricle (left ventricular hypertrophy)which in turn compromises the heart’s ability to pump enough blood to the different organs eventually leading to heart failure.
Read more about causes, symptoms, diagnosis and treatment of heart disease.

Affects the brain
Hypertension increases the risk of brain haemorrhage (stroke) by almost 10 times. According to a research, even if your blood pressure (BP) is slightly elevated, you may be prone to a stroke. In fact high BP is responsible for 80% of all heart attacks and stroke. Increased blood pressure weakens the small vessels in the brain causing them to rupture. Interruption of blood flow to the brain may also increase the risk of mild cognitive impairment and dementia. 

 THIS IS ONLY FOR INFORMATION, ALWAYS CONSULT YOU PHYSICIAN BEFORE HAVING ANY PARTICULAR FOOD/ MEDICATION/EXERCISE/OTHER REMEDIES.








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