NCT05736887

Brief Summary

A randomized, double-blind, parallel-arm, phase II, explorative study investigating the efficacy and safety of orally administered N-Acetylcysteine (NAC) versus placebo in patients with history of SARS-Cov-2 infection and residual respiratory impairment.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
80

participants targeted

Target at P25-P50 for phase_2 covid19

Timeline
Completed

Started May 2022

Typical duration for phase_2 covid19

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

May 24, 2022

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 16, 2023

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

February 20, 2023

Completed
1 day until next milestone

First Posted

Study publicly available on registry

February 21, 2023

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2023

Completed
Last Updated

February 21, 2023

Status Verified

February 1, 2023

Enrollment Period

8 months

First QC Date

February 20, 2023

Last Update Submit

February 20, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • DLco

    Change in percent predicted DLco at week 12 compared to baseline

    Week 12

Secondary Outcomes (7)

  • DLco

    Week 12

  • St. George's Respiratory Questionnaire (SGRQ)

    Week 12

  • Shortness of Breath Questionnaire (UCSD-SOBQ)

    Week 12

  • Change in Leicester Cough Questionnaire (LCQ)

    Week 12

  • Forced Vital Capacity (FVC)

    Week 12

  • +2 more secondary outcomes

Study Arms (2)

N-Acetylcysteine arm

EXPERIMENTAL

Subjects with recent history of COVID-19 infection randomized to receive N-Acetylcysteine.

Drug: N-Acetylcysteine

Placebo arm

PLACEBO COMPARATOR

Subjects with recent history of COVID-19 infection randomized to receive placebo.

Drug: Placebo

Interventions

N-Acetylcysteine in 600mg tablets

N-Acetylcysteine arm

Placebo in 600mg tablets

Placebo arm

Eligibility Criteria

Age18 Years - 90 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≥18 and ≤90 years.
  • History of hospitalization for COVID-19 pneumonia, as documented by positive RT/PCR testing for SARS-Cov-2 infection (nasopharyngeal swab) and suggestive radiological findings at the chest CT scan.
  • Resolution of SARS-CoV-2 infection as defined by negative RT/PCR testing (nasopharyngeal swab).
  • Evidence of residual interstitial lung abnormalities (including any of the following: ground glass, reticulation, or consolidation with overall extent ≥5% of total lung volume) on chest high resolution CT scan (performed during screening or within 30 days from screening visit) AND
  • One or more of the following:
  • DLco ≤ 70 % of predicted value at screening
  • Oxygen desaturation at 6-minute walk test (6MWT) ≥4% from baseline value at screening.
  • Total Lung Capacity ≤ 80 % of predicted value at spirometry performed at screening
  • Exertional dyspnea at screening, as defined by MMRC ≥1

You may not qualify if:

  • Evidence of resting respiratory failure, as defined by PaO2 ≤60 mmHg (FiO2 21%) at blood gas analysis at screening.
  • History of interstitial lung disease, or evidence of interstitial lung disease at screening that suggests any of the following: idiopathic interstitial pneumonias; lung diseases related to exposure to fibrogenic agents or other environmental toxins or drugs; other types of occupational lung diseases; granulomatous lung diseases; pulmonary vascular diseases; systemic diseases, including vasculitis, infectious diseases (Other than SARS-Cov-2 infection) and connective tissue diseases.
  • History of other types of respiratory diseases, including disorders of the airways, lung parenchyma, pleural space, mediastinum, diaphragm, or chest wall that, in the opinion of the Investigator, would impact the primary protocol endpoint or otherwise preclude the subject's participation in the study.
  • Any other known disease, medical conditions or blood test abnormalities that in the opinion of the Investigator may put the patient at risk because of participation, interfere with study procedures or cause concern regarding the patient inability to participate in the study.
  • Concomitant treatment with oral corticosteroids and/or other immunosuppressive drugs.
  • Pregnancy status.
  • Incapacity of providing valid informed consent.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Fondazione Policlinico Agostino Gemelli IRCCS

Rome, Roma, 00168, Italy

Location

MeSH Terms

Conditions

COVID-19

Interventions

Acetylcysteine

Condition Hierarchy (Ancestors)

Pneumonia, ViralPneumoniaRespiratory Tract InfectionsInfectionsVirus DiseasesCoronavirus InfectionsCoronaviridae InfectionsNidovirales InfectionsRNA Virus InfectionsLung DiseasesRespiratory Tract Diseases

Intervention Hierarchy (Ancestors)

CysteineAmino Acids, SulfurSulfur CompoundsOrganic ChemicalsAmino AcidsAmino Acids, Peptides, and Proteins

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

February 20, 2023

First Posted

February 21, 2023

Study Start

May 24, 2022

Primary Completion

January 16, 2023

Study Completion

June 1, 2023

Last Updated

February 21, 2023

Record last verified: 2023-02

Data Sharing

IPD Sharing
Will not share

Locations