The study is a prospective, pilot study aimed to test the safety of Tumor Treating Fields (TTFields) concomitant with best standard of care, for the treatment of hospitalized COVID-19 patients and continued treatment after hospitalization. The device is an experimental, portable, battery operated device for chronic administration of alternating electric fields (termed TTFields) to the region of the organ to be treated, by means of surface, insulated electrode arrays.

PAST PRE-CLINICAL AND CLINICAL EXPERIENCE:

Tumor Treating Fields (TTFields) are a non-invasive, regional antimitotic treatment modality with minimal toxicity which have been approved for the treatment of recurrent and newly diagnosed glioblastoma (GBM) by the Food and Drug Administration (FDA) in the United States and have obtained a CE mark in Europe for the same indications. TTFields concomitant with chemotherapy were also approved for malignant pleural mesothelioma under FDA's humanitarian device exemption.

Cell culture study demonstrated that TTFields can significantly reduce corona virus infection and replication in human lung cells.

DESCRIPTION OF THE STUDY:

All patients included in this study are patients who are hospitalized due to COVID-19 disease. In addition, all patients must meet all eligibility criteria.

Eligible patients will be enrolled to the study and will receive COVID-19 best standard of care treatment concomitant with TTFields using the NovoTTF-100L System. The patients will be treated continuously with the device until discharge from the hospital and until there are no limitations on activities.

SCIENTIFIC BACKGROUND:

Electric fields exert forces on electric charges similar to the way a magnet exerts forces on metallic particles within a magnetic field. These forces cause movement and rotation of electrically charged biological building blocks, much like the alignment of metallic particles seen along the lines of force radiating outwards from a magnet.

Electric fields can also cause muscles to twitch and if strong enough may heat tissues. TTFields are alternating electric fields of low intensity. This means that they change their direction repetitively many times a second. Since they change direction very rapidly (150 thousand times a second), they do not cause muscles to twitch, nor do they have any effects on other electrically activated tissues in the body (brain, nerves and heart). Since the intensities of TTFields in the body are very low, they do not cause heating.

The breakthrough finding made by Novocure was that alternating fields of very low intensity, now termed TTFields (Tumor Treating Fields), attenuate SARS-CoV-2 virus infection and replication. TTFields can be directed to a certain part of the body, leaving sensitive areas out of their reach.

In conclusion, TTFields hold the promise of serving as a brand new treatment for COVID-19 disease with very few side effects.

Inclusion Criteria:

1. Age ≥ 18 years.
2. Hospitalized with diagnosis of COVID-19 infection per reverse transcription polymerase chain reaction (RT-PCR) within 72 hours prior to treatment start.
3. SpO2 ≤ 93% at sea level.
4. Lung involvement confirmed with chest imaging.
5. Able and willing to comply with all study procedures.
6. Female participants of childbearing age must use highly effective contraception.
7. All patients must understand and voluntarily sign an informed consent document prior to any study related assessments/procedures being conducted.

Exclusion Criteria:

1. Receipt of any experimental treatment for COVID-19 prior to or during the study.

2. Assisted ventilation.

3. Critical illness: respiratory failure defined as oxygen saturation by pulse oximetry/inspired oxygen fraction (SpO2/FiO2) ratio < 150, septic shock, and/or multiple organ dysfunction.

4. Significant co-morbidities at baseline as determined by the investigator:

   1. Clinically significant hematological, hepatic and renal dysfunction, defined as: Neutrophil count < 1.5 x 10^9/L and platelet count < 100 x 10^9/L; bilirubin > 1.5 x upper limit of normal (ULN); aspartate aminotransferase (AST) and/or alanine transaminase (ALT) > 2.5 x ULN; and serum creatinine > 2.5 mg/dL.
   2. History of significant cardiovascular disease unless the disease is well controlled. Significant cardiac disease includes second/third degree heart block; significant ischemic heart disease; poorly controlled hypertension; congestive heart failure of the New York Heart Association (NYHA) Class IV (unable to carry on any physical activity without discomfort. Symptoms of heart failure at rest. If any physical activity is undertaken, discomfort increases).
   3. History of arrhythmia that is symptomatic or requires treatment. Patients with atrial fibrillation or flutter controlled by medication are not excluded from participation in the study.
   4. History of any psychiatric condition that might impair patient's ability to understand or comply with the requirements of the study or to provide consent.

5. Implantable electronic medical devices (e.g. pacemaker, defibrillator) in the upper torso.

6. Pregnancy or breast-feeding.

7. Known allergies to medical adhesives or hydrogel.

8. Unwilling or unable to comply with the requirements of this protocol, including the presence of any condition (physical, mental, or social) that is likely to affect the subject's cooperation or other unspecified reasons that, in the opinion of the Investigator or sponsor, make the subject's enrollment incompatible with study objectives.