NAC for Attenuation of COVID-19 Symptomatology (NACinCOVID2)

August 4, 2023 updated by: Melisa Lai-Becker, Cambridge Health Alliance

N-acetylcysteine for Attenuation of COVID Symptomatology

The objective of this study is to determine whether oral NAC is effective at attenuating COVID-19 disease symptom severity and duration of symptoms.

Study Overview

Detailed Description

STUDY DESIGN: Randomized double-blinded placebo-controlled trial

ELIGIBILITY

Inclusion criteria:

  • age 18 years and older
  • participants will need daily access to use of a smartphone for at least six weeks from time of enrollment
  • Positive COVID-19 test within 10 days of date of enrollment
  • not already hospitalized for treatment of COVID

Exclusion criteria:

  • pregnant
  • already hospitalized for treatment of COVID

PROTOCOL

  • 50:50 randomization: half of participants will take NAC, half will take placebo
  • Participants will take NAC/placebo following this outpatient protocol:
  • 2400 mg x 1 PO then
  • 1200 mg PO BID x 14 days
  • Participants will complete an online symptom-tracker for six weeks (daily for three weeks, weekly for three weeks)

Study Type

Interventional

Enrollment (Estimated)

200

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • positive COVID test <= 7 days of enrollment

Exclusion Criteria:

  • pregnant
  • already hospitalized due to COVID

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: NAC
Group receiving intervention/study drug NAC
N-acetylcysteine
Other Names:
  • NAC
  • Acetylcysteine
  • N-acetyl-cysteine
Placebo Comparator: Placebo
Group receiving placebo
Placebo

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Symptom severity
Time Frame: 24 weeks starting the day after enrollment
Severity of symptoms
24 weeks starting the day after enrollment
Symptom duration
Time Frame: 24 weeks starting the day after enrollment
Length in days of symptoms
24 weeks starting the day after enrollment

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Need for higher level of care/hospitalization
Time Frame: 24 weeks starting the day after enrollment
Comparison between groups of rates of hospitalization
24 weeks starting the day after enrollment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

March 31, 2024

Primary Completion (Estimated)

December 31, 2024

Study Completion (Estimated)

February 1, 2025

Study Registration Dates

First Submitted

October 5, 2021

First Submitted That Met QC Criteria

October 5, 2021

First Posted (Actual)

October 12, 2021

Study Record Updates

Last Update Posted (Actual)

August 7, 2023

Last Update Submitted That Met QC Criteria

August 4, 2023

Last Verified

August 1, 2023

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

Study data used for publication

IPD Sharing Time Frame

Available six months after publication for one year

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • ICF

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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