Inhaled Aviptadil for the Treatment of COVID-19 in Patients at High Risk for ARDS

  • STATUS
    Recruiting
  • End date
    Apr 29, 2022
  • participants needed
    82
  • sponsor
    Prof. Dr. Jörg Leuppi
Updated on 29 May 2021
pneumonia
acute respiratory distress
covid-19
SARS
acute lung injury
coronavirus

Summary

The world is currently experiencing a coronavirus (CoV-2) pandemic. A new (SARS)-CoV infection epidemic began in Wuhan, Hubei, China, in late 2019; originally called 2019- nCoV the virus is now known as SARSCoV- 2 and the disease it causes COVID-19. Previous CoV epidemics included severe acute respiratory syndrome (SARS)-CoV, which started in China in 2003 and Middle East respiratory syndrome (MERS)-CoV in the Middle East, which started in 2012. The mortality rates were >10% for SARS and >35% for MERS. The direct cause of death is generally due to ensuing severe atypical pneumonia and ensuing acute respiratory distress syndrome (ARDS). Pneumonia also is generally the cause of death for people who develop influenza, although the mortality rate is lower (1%-3% for the influenza A H5N1 pandemic of 1918-1919 in the United States). Risk factors for a poor outcome of SARS-CoV-2 infection have so far been found to include older age and co-morbidities including chronic cardiovascular and respiratory conditions and current smoking status. In May 2020, the FDA authorized the emergency use of remdesivir for treatment of COVID-19 disease based on topline date of two clinical trials, even though an underpowered clinical trial did not find significant improvement in COVID- 19 patients treated with remdesivir. Nevertheless, remdesivir is the first and so far, only approved treatment for COVID-19. Additionally further trials and clinical observations have not found a significant benefit of other antiviral drugs. Although the results of several studies are still pending, there is still a desperate need for an effective, safe treatment for COVID-19. Aviptadil, which is a synthetic form of Human Vasoactive Intestinal Polypeptide (VIP), might be beneficial in patients at risk of developing ARDS. Nonclinical studies demonstrate that VIP is highly concentrated in the lung, where it reduces inflammation.

Description

About 20% of individuals with Corona Virus disease (COVID-19) experience more severe disease characterized by significant respiratory symptoms including acute respiratory distress syndrome (ARDS). ARDS is a known lethal complication due to its low blood oxygenation levels and may result in organ failure. Until now, there are no specific vaccines or therapeutic drugs targeting SARS-CoV-2, alternative therapeutic interventions are needed to prevent and ameliorate respiratory conditions associated with COVID-19 to effectively reduce mortality and prevent ICU admissions. Aviptadil, which is a synthetic form of Human Vasoactive Intestinal Polypeptide (VIP), might be beneficial in patients at risk of developing ARDS. Nonclinical studies demonstrate that VIP is highly concentrated in the lung, where it prevents N-methyl-D-aspartate (NMDA)-induced caspase-3 activation, inhibits IL-6 and TNFa production and protects against HCl-induced pulmonary edema. Further, in animal model systems of lung injury in mice, rats, guinea pigs, sheep, swine and dogs, Aviptadil was shown to restore barrier function at the endothelial/alveolar interface and to protect the lung and other organs from failure. In Europe, Aviptadil is approved for human use and has been shown to be safe in phase II trials for sarcoidosis, pulmonary fibrosis, bronchospasm, erectile dysfunction as well as in a phase I trial in ARDS in the past two decades. In the US, VIP has been given FDA Orphan Drug Designation for the treatment of ARDS and was admitted to the FDA Corona Virus Technology Accelerator Program. In a phase I trial of Aviptadil performed by Sami Said in the early 2000s, eight patients with severe ARDS on mechanical ventilation were treated with ascending doses of intravenous VIP. Seven patients (88%) were successfully extubated and were alive at the five day time point. Six (75%) left the hospital and one (13%) died of an unrelated cardiac event. A phase II clinical trial using intravenous Aviptadil in patients with COVID-19 infection and ARDS has begun. Further, a phase II/III clinical trial will study the effect of inhaled Aviptadil for the treatment of non-acute lung injury in COVID- 19 and begins in June 2020. In Europe, two phase II trials of Aviptadil have been conducted. Further, studies with healthy volunteers have shown that inhaled Aviptadil is well tolerated with few adverse effects.

Details
Condition Coronavirus Infection, ADULT RESPIRATORY DISTRESS SYNDROME, Coronavirus, Corona Virus Infection, COVID19, acute respiratory distress syndrome, ards, aviptadil
Treatment Aviptadil 67μg, Placebo 0.9% NaCl solution
Clinical Study IdentifierNCT04536350
SponsorProf. Dr. Jörg Leuppi
Last Modified on29 May 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

COVID-19 infection diagnosed
Risk factors for the development of an ARDS according to an adapted EALI (early acute lung injury score) 2 Points (with at least one point from the EALI score)
EALI Score
-6l O2 supplementation to achieve a SaO2>90%: 1 point
>6l O2 supplementation to achieve a SaO2>90%: 2 points
Respiratory rate 30/min: 1 point
Immunosuppression: 1 Point
Modification (for adapting for risk factors for ARDS in SARS-CoV-2 affected
patients
Arterial hypertension: 1 point
Diabetes: 1 point
Fever > 39C: 1 point
Age > 18 years
Ability to adequate compliance with the inhalation manoeuvre
Ability to sign the informed consent

Exclusion Criteria

Known or highly suspected bacterial infection (antibiotic treatment to avoid bacterial superinfection may be allowed)
PCT 1g/l
Mechanical ventilation
Inability to conduct inhalation therapy
Hemodynamic instability with requirement of vasopressor therapy
Severe comorbidities interfering with the safe participation at the trial according to the treating physician
Pregnancy
Systemic immunosuppression
Clear my responses

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