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ÑÇÖÞ×ÔοÊÓƵ of Utah ÑÇÖÞ×ÔοÊÓƵ and Intermountain ÑÇÖÞ×ÔοÊÓƵcare Launch COVID-19 Clinical Trials

 

Researchers from ÑÇÖÞ×ÔοÊÓƵ of Utah ÑÇÖÞ×ÔοÊÓƵ and Intermountain ÑÇÖÞ×ÔοÊÓƵcare in Salt Lake City have launched two vital clinical trials to test the effectiveness and safety of two drugs – hydroxychloroquine (HCQ) and azithromycin – to treat patients with COVID-19 (infection with the novel coronavirus).

Researchers from the two health systems plan to enroll nearly 2,300 patients who are COVID-19 positive or suspected of being positive for the virus.

"Results from these studies will help us to understand the value of hydroxychloroquine (HCQ) in treatment of COVID-19 as we seek ways to fight the virus effectively and reduce the human cost of this pandemic," said Samuel Brown, MD, principal investigator of one of the studies and a critical care researcher at Intermountain ÑÇÖÞ×ÔοÊÓƵcare.

Hydroxychloroquine, an anti-malarial drug typically used to treat some autoimmune diseases, and azithromycin, an antibiotic typically used for sinusitis or pneumonia, have been suggested as potential treatments for COVID-19, but whether they actually help is unknown.

In addition, the drugs can cause significant side-effects. In some cases, hydroxychloroquine has increased the levels of a different virus present in the blood or caused problems with heart rhythm. Further, a surge in interest in hydroxychloroquine has left patients who take the drug to manage ongoing chronic illnesses at risk of losing access to their regular course of treatment.

"The only way to answer the key question of ‘does this drug work?' is to perform an unbiased clinical trial where we study its effects."

"Because COVID-19 is a new disease, we're all starting from scratch," said Adam M. Spivak, MD, a principal investigator of one of the clinical trials and an physician at ÑÇÖÞ×ÔοÊÓƵ of Utah ÑÇÖÞ×ÔοÊÓƵ. "The only way to answer the key question of ‘does this drug work?' is to perform an unbiased clinical trial where we study its effects."

In the first trial, patients hospitalized with suspected or confirmed COVID-19 will be given either hydroxychloroquine or azithromycin to determine whether either drug affects the severity of COVID-19 and saves lives.

Researchers plan to enroll 300 patients in the clinical trial from across all Intermountain ÑÇÖÞ×ÔοÊÓƵcare hospitals and ÑÇÖÞ×ÔοÊÓƵ of Utah ÑÇÖÞ×ÔοÊÓƵ hospitals that are treating COVID-19 patients.

"The main question we're looking to answer in this trial is, does HCQ improve the severity of illness and save lives for patients hospitalized with COVID-19?" said Dr. Brown.

In the second set of trials, patients with confirmed COVID-19 who are being treated as outpatients will be given hydroxychloroquine or azithromycin to determine if either drug can prevent hospitalization. The trials will also determine whether hydroxychlorquine impacts viral shedding and prevents infection of household contacts as compared to placebo.

Adam Spivak, MD, and Rachel Hess, MD, MS. Credit: Kylene Metzger
Adam Spivak, MD, and Rachel Hess, MD, MS. Credit: Kylene Metzger

For these outpatient trials, researchers will enroll 2,000 patients across Utah from all Intermountain ÑÇÖÞ×ÔοÊÓƵcare and ÑÇÖÞ×ÔοÊÓƵ of Utah ÑÇÖÞ×ÔοÊÓƵ System hospitals that are treating COVID-19 patients. Patients will receive treatment and be monitored via telehealth.

Brandon Webb, MD, a principal investigator of the first trial and an infectious diseases physician at Intermountain ÑÇÖÞ×ÔοÊÓƵcare, said there's significant global interest in both clinical trials to provide scientific evidence as to whether these drugs are effective in treating COVID-19 patients.

"There's worldwide interest in these drugs, but the available clinical data have not yet shown any benefit. These clinical trials allow us to protect the safety of patients but also answer the really important question of benefit versus harm," he added.

Clinical trials typically take months or years to launch. Researchers at Intermountain ÑÇÖÞ×ÔοÊÓƵcare, ÑÇÖÞ×ÔοÊÓƵ of Utah ÑÇÖÞ×ÔοÊÓƵ, the Utah Department of ÑÇÖÞ×ÔοÊÓƵ, and the Utah Medical Association were able to launch these COVID-19 clinical trials in two weeks.

Everyone on our research team has been working 18-hour days to make this happen," said Dr. Brown. "We've been able to be nimble and flexible while still meeting the rigorous standards of a clinical trial because the need for this knowledge is so great. We applaud all of these organizations for working collaboratively to make these clinical trials a reality and to do the right thing for our patients."

Packaging hydroxychloroquine
Packaging hydroxychloroquine for the COVID-19 clinical trials

Researchers acknowledge there may be pressure on clinicians to use hydroxychloroquine for COVID-19 patients outside of a clinical trial. While it may feel reassuring to prescribe this medication in the midst of a pandemic, it may be counter-productive or even harmful until physicians better understand their impact, they say.

Two weeks ago, research leaders at Intermountain ÑÇÖÞ×ÔοÊÓƵcare and ÑÇÖÞ×ÔοÊÓƵ of Utah ÑÇÖÞ×ÔοÊÓƵ agreed to work together to help solve this problem.

"Although some providers will choose to prescribe HCQ to their patients, Intermountain ÑÇÖÞ×ÔοÊÓƵcare, ÑÇÖÞ×ÔοÊÓƵ of Utah ÑÇÖÞ×ÔοÊÓƵ, the Utah Department of ÑÇÖÞ×ÔοÊÓƵ, and the UMA recognize the safest way to use this medication to treat COVID-19 is within the framework of clinical trials," said Raj Srivastava, MD, assistant vice president of research at Intermountain ÑÇÖÞ×ÔοÊÓƵcare.

"These trials will ensure patients are provided information about potential associated risks and have consented to participate so their progress can be closely monitored by healthcare providers and research staff," added Rachel Hess, MD, MS, a principal investigator of the outpatient trial and co-director for the at the ÑÇÖÞ×ÔοÊÓƵ of Utah.