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Safety and Efficacy of Anakinra Treatment for Patients With Post Acute Covid Syndrome

Recruiting
18 years of age
Both
Phase 2/3

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Overview

The PRECISION is a proof-of-concept, phase II randomized clinical trial aiming to evaluate the efficacy and safety of anakinra in patients with Post-Acute COVID Syndrome (PACS) of the pro-inflammatory respiratory phenotype. Improvement is measured by a composite endpoint, namely, the "Score of PACS progression reversal"

Description

People with COVID-19 might have sustained post-infection sequelae, known as Post-Acute Covid Syndrome (PACS). A recent consensus definition by an international panel of 265 patients, clinicians, researchers, and WHO staff suggests that post-COVID-19 condition occurs in individuals with a history of probable or confirmed SARS-CoV-2 infection, usually 3 months from the onset, with symptoms that last for at least 2 months and cannot be explained by an alternative diagnosis. Common symptoms include fatigue, shortness of breath, and cognitive dysfunction and generally have an impact on everyday functioning.

The role of immune dysregulation in PACS is indirectly supported from the findings of the SAVE-MORE randomized clinical trial, in which patients with moderate and severe COVID-19, were 1:2 randomized to treatment with placebo or anakinra once daily for 10 days. The primary endpoint was the distribution of the frequencies of patients in the 11 points of the WHO clinical progression scale (CPS) by day 28. Patients' follow-up until day 90 showed significant reduction of the incidence of PACS; this was 24.4% among placebo-treated patients and 15.7% among patients treated with anakinra.

After the end of the SAVE-MORE trial, the understanding of the immune activation of PACS and the development of tools for the evaluation of patients have become the main aims of the Hellenic Institute for the study of sepsis (HISS) group. More precisely, patients with medical history of COVID-19 pneumonia during three separate time periods and matched comparators for age, sex, comorbidities, and state of vaccination were followed up and evaluated for PACS. Main findings can be summarized as follows:

  1. For at least one year after acute COVID-19 there is considerable immune dysregulation involving both the innate and the adaptive responses.
  2. Patients with PACS may be classified into four main phenotype clusters: fatigue involving 70.8%, respiratory cluster involving 33.2%, systemic symptoms involving 17.7% and other symptoms involving 26.1%.
  3. The risk for progression into PACS was significantly lower among patients treated with anakinra in the acute stage (odds ratio 0.59, p: 0.017) showing a role of IL-1 for the progression into PACS.
  4. Patients with fatigue bring distinct immunotype compared to the respiratory cluster.
  5. IP-10 (interferon-gamma-induced protein-10) at levels more than 250 pg/ml has sensitivity 99.3%, specificity 90.9%, positive predictive value (PPV) 97.9% and negative predictive value (NPV) 97.6% for the diagnosis of the post acute COVID immune dysregulation.

PRECISION is a proof-of-concept, randomized clinical trial (RCT) aiming to evaluate the efficacy and safety of anakinra in patients with PACS in improving the clinical and immunological state over 4 to 8 weeks as measured by a composite endpoint, namely, the "Score of PACS progression reversal".

Eligibility

Inclusion Criteria:

  1. Age equal to or above 18 years
  2. Male or female gender
  3. In the case of women of childbearing age and men, an adequate method of contraception should be used during the study. Contraception should be maintained for at least a period of 3 months after the discontinuation of treatment. As an adequate method of contraception, it is suggested: -male or female condom with or without spermicide -contraceptive cap, a diaphragm or contraceptive sponge with a spermicide Prior to admission to the study, a pregnancy test will be performed to exclude pregnancy to women of childbearing age.
  4. Written informed consent provided by the patient. For subjects without decision-making capacity, informed consent must be obtained from a legally designated representative following the national legislation in the Member State where the trial is planned.
  5. History of confirmed COVID-19 infection the last 90 days or more
  6. Symptoms compatible with PACS (defined as at least one positive answer to the questionnaire for restriction of daily activities) lasting for more than 2 months
  7. Serum levels of IP-10 more than 250 pg/ml
  8. Presence of ONE of the following two clinical conditions: Condition 1: Impaired Lung Function tests (defined as: DLCOcor <76% AND TLC and/or FVC lower than 80% of predicted) Condition 2: At least a total radiology score in HRCT more than 20 OR walking of a distance less than 500m in the 6-minute walk test
        If patients meet the criteria for both Conditions 1 and 2, they will be considered for
        randomization and evaluation for the primary endpoint as in Condition 1.
        Exclusion Criteria:
          1. Age below 18 years
          2. Denial for written informed consent
          3. Any stage IV malignancy
          4. Any primary immunodeficiency
          5. Less than 1,500 neutrophils/mm3
          6. Known hypersensitivity to anakinra
          7. Known lung fibrosis prior to COVID-19
          8. Medical history of pulmonary hypertension or chronic heart failure
          9. Known chronic obstructive pulmonary disease GOLD stage 3 or 4 prior to COVID-19
         10. Known active tuberculosis (under treatment) or latent tuberculosis (by positive
             tuberculin test)
         11. Oral or IV intake of corticosteroids at a daily dose equal or greater than 0.4 mg/kg
             prednisone for a period greater than the last 15 days.
         12. Any anti-cytokine biological treatment the last one month
         13. Severe hepatic failure defined as Child-Pugh stage of 3
         14. End-stage renal failure necessitating hemofiltration or peritoneal hemodialysis
         15. Pregnancy or lactation. Women of child-bearing potential will be screened by a urine
             pregnancy test before inclusion in the study
         16. Participation in any other interventional trial

Study details

Post-Acute COVID-19 Syndrome, Post-Acute COVID-19, Long COVID

NCT05926505

Hellenic Institute for the Study of Sepsis

8 March 2024

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