US government ramps up COVID monoclonal antibody treatment response: What we know about the coronavirus treatment

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Monoclonal antibody therapy for COVID-19 is available to people in the US at higher risk of severe disease in the first few days of their illness, or after they’ve been exposed to the coronavirus. The treatment — lab-made antibodies given to a person that help their immune system stop the infection from spreading — has been gaining momentum as a key tool for preventing the coronavirus from turning into severe illness. 

On Thursday, President Joe Biden announced his administration is increasing the pace of free weekly shipments of monoclonal antibodies by 50% for the month of September. It’s also launching “monoclonal antibody strike teams” to assist health care workers and hospital staff that administer the treatment. The US Department of Health and Human Services will amend rules that allow more providers, including pharmacists, to administer the treatment.

So, what are COVID-19 monoclonal antibodies? Some preliminary research shows the treatment reduces risk for hospitalization or death by about 70%. At a COVID-19 response briefing in August, Dr. Anthony Fauci, the president’s chief medical adviser, said that monoclonal antibodies are “underutilized” and that the drug can reduce the risk of hospitalization or death from COVID-19 by 70% to 85%.

Former President Donald Trump received the Regeneron monoclonal antibody treatment during his presidency, as did Gov. Greg Abbott of Texas, when he tested positive for COVID-19 in August. These treatments are authorized for emergency use by the Food and Drug Administration for people who are 65 and older, and certain people age 12 and older, including people with obesity, diabetes and heart disease. Importantly, antibody treatment has to begin before COVID-19 progresses into severe disease or hospitalization, usually within the first 10 days of symptoms (or sometimes, as in the case of Abbott, before symptoms appear). 

Monoclonal antibodies aren’t a substitute for the preventive COVID-19 vaccines, but some public health officials have criticized the lack of awareness and access to monoclonal antibody therapy. Dr. Rajesh Gandhi, an infectious disease physician at Massachusetts General Hospital, told The New York Times that more people need to be educated about how effective monoclonal antibodies can be at preventing severe disease. 

“Patients need to know to call their physicians,” Gandhi said. “In 2020, people with mild COVID were told to stay home. That message needs to pivot to a more proactive message.”

More health care providers are beginning to take advantage of the antibody treatments, and the drug itself is free, per a deal struck by the federal government. Regeneron, the main monoclonal antibody drug maker, delivered nine times the number of doses of its treatments to US hospitals one week in August compared with the month before, The Wall Street Journal reported. What’s more, Texas and Florida recently opened up state-run monoclonal antibody treatment centers, available to people who are at risk of severe COVID-19 and are in the early stages of their illness. 

But who should actually receive monoclonal antibodies? Here’s a roundup of what we know right now about antibody treatments for COVID-19 in the US.


A monoclonal antibody treatment center in Pembroke Pines, Florida. 

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What are monoclonal antibodies, and how do they work? 

Monoclonal antibodies are lab-made antibodies that work by binding to bacteria, cancer cells or viruses the way natural antibodies do, stopping them from infecting more cells. The first monoclonal antibody therapy was approved more than 30 years ago and has been used for other illnesses, including the Ebola virus.

Monoclonal antibody treatments for COVID-19 are used before a person gets really sick, usually within 10 days of their first symptom, to prevent hospitalization. The treatment is only approved for people who are at risk of getting extremely sick — those who are age 65 or older and those who have “certain medical conditions,” per the FDA. The treatment is also approved if an at-risk person is exposed to COVID-19.

Who’s eligible? Can I ask my doctor for treatment if I test positive?

If you come down with the coronavirus and are concerned about how the disease will affect you, contacting your doctor to learn your options and the best line of treatment for you is a good idea. But, in general, this specific treatment is reserved for people who are at risk for severe disease. Most people who are infected with COVID-19 will recover at home without medical help. 

More people are eligible for monoclonal antibody treatment if they test positive for COVID-19 than those who are eligible right now for an extra COVID-19 vaccine dose. Those who are at least 12 years old and may be eligible for monoclonal antibody treatment because of their individual risk, per the FDA, include:

  • All people age 65 and older. 
  • People with obesity or those who are overweight (adults with a BMI of more than 25, and children age 12-17 who have a BMI at the 85th percentile or greater).
  • Pregnant people.
  • People with chronic kidney or lung disease (including asthma). 
  • Individuals with cardiovascular disease or hypertension.
  • People with diabetes.
  • People with sickle cell disease.
  • Those living with neurodevelopmental disorders.
  • People who are immunocompromised or taking immunocompromising medication.
  • Those who have a “medical-related technological dependence” (such as a tracheostomy or gastrostomy).

Other conditions may also place you at higher risk of COVID-19 complications, and make you a candidate for an antibody treatment. If you think this applies to you, ask your doctor and check out the Centers for Disease Control and Prevention’s page for “People with Certain Medical Conditions.” 


People waiting inside a monoclonal antibody treatment center in Florida. Monoclonal antibody treatments are given through infusion, meaning an IV, or by subcutaneous injection, a series of shots.

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I qualify. How do I access the treatment?

Monoclonal antibodies are administered through IV or by injection (a series of shots), so they’re not a prescription you can easily pick up at the pharmacy. According to CNN, the infusion process takes about an hour and patients need to wait a while to be observed for side effects. If you’re at risk for severe COVID-19 and you’ve tested positive or think you have it, ask your doctor where the treatment is available. 

If you live in Texas or Florida where there are state-run monoclonal antibody treatment centers, the same eligibility requirements for patients apply. In Florida, this means everyone age 12 and older who is at “high risk for severe illness” can make an appointment and find a monoclonal treatment center at one of the state’s eight locations. In Texas, there are nine antibody infusion centers across the state, but at-risk people need a referral from their doctor.

If you think you qualify for monoclonal antibody treatment but don’t have a health care provider, you can call the Combat COVID Monoclonal Antibodies Call Center at 1-877-332-6585. You can also use this link from the US Department of Health and Human Services antibody therapy finder.

Is it free? If so, what brands?

Right now, monoclonal antibody treatments made by Regeneron and Eli Lilly appear to be the only brands free to US citizens. In July 2020, the US government signed a deal with Regeneron, which made doses of the drug free to Americans once the company got emergency use authorization (it did in November), and its drug cocktail has been the most widely offered in the US so far. 

Other monoclonal antibody treatments that currently have emergency use authorization from the FDA, according to the Centers for Medicare & Medicaid Services, include treatments made by GlaxoSmithKline and Vir Biotechnology and Genentech. However, Genetech’s drug (called Actemra) can only be given to patients already hospitalized with COVID-19, according to the CMS. 

Basically, if you’re sick and qualify for the treatment, calling your doctor or using the link above to find treatment near you is your best bet, regardless of the brand, as the FDA will probably continue to authorize or pause drugs as they become more or less effective against coronavirus variants. 

Do monoclonal antibodies interfere with the coronavirus vaccines? 

If you were treated with monoclonal antibodies and you haven’t been vaccinated yet, you should wait 90 days after your treatment to make an appointment, according to the CDC. This recommendation is until more is known about how the antibody response from the treatment affects the immune response from getting vaccinated. 

In sum: Monoclonal antibodies for COVID-19 are one type of treatment for the disease, and aren’t a substitute for the coronavirus vaccines. 

The information contained in this article is for educational and informational purposes only and is not intended as health or medical advice. Always consult a physician or other qualified health provider regarding any questions you may have about a medical condition or health objectives.

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