NCT05007522

Brief Summary

The purpose of this study is to evaluate the safety and effectiveness of ketotifen and indomethacin taken together to improve symptoms related with COVID-19. Ketotifen and indomethacin are medications approved by the Food and Drug Administration (FDA) to treat diseases other than COVID-19. Their use in this study is investigational, meaning they have not been approved by the FDA to treat COVID-19.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
150

participants targeted

Target at P25-P50 for phase_3

Timeline
Completed

Started May 2022

Geographic Reach
1 country

2 active sites

Status
completed

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

First Submitted

Initial submission to the registry

August 12, 2021

Completed
4 days until next milestone

First Posted

Study publicly available on registry

August 16, 2021

Completed
9 months until next milestone

Study Start

First participant enrolled

May 3, 2022

Completed
2.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 20, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 20, 2024

Completed
Last Updated

June 24, 2024

Status Verified

June 1, 2024

Enrollment Period

2.1 years

First QC Date

August 12, 2021

Last Update Submit

June 20, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • UCSD Shortness of Breath Questionnaire

    24-item measure that assesses self-reported shortness of breath while performing a variety of activities of daily living.

    Study Day 14

Secondary Outcomes (43)

  • Development of severe disease

    28 days

  • Development of severe disease

    84 days

  • Development of severe disease

    14 days

  • Proportion and number of medically attended visits related to COVID-19

    28 days

  • Proportion and number of medically attended visits related to COVID-19

    84 days

  • +38 more secondary outcomes

Study Arms (2)

Study Drug

EXPERIMENTAL

Ketotifen 2 mg administered in tablet form twice a day (every 12 hr). Indomethacin sustained-release (SR) 75 mg, twice a day (every 12 hr). Patients will be administered 28 doses in total of ketotifen/indomethacin combination.

Drug: Ketotifen/Indomethacin

Placebo

PLACEBO COMPARATOR

Placebo pills matching in appearance to study drug twice a day for 28 doses total.

Drug: Placebo

Interventions

2 mg tablet, 75 mg SR tablet

Also known as: Zaditor, Indocin SR, Tivorbex
Study Drug

Matching placebo tablet

Placebo

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult patients aged 18-75 years
  • Has SARS-CoV-2-positive antigen or molecular diagnostic test (validated SARS-CoV-2 antigen, RT-PCR, or other molecular diagnostic assay from a sample collected no more than 7 days prior to enrollment.
  • At least two signs or symptoms of disease consistent with acute COVID-19 infection. One of these two symptoms must include cough OR shortness of breath with onset within 7 days prior to randomization. Other symptoms that qualify include:
  • Fever
  • nausea
  • vomiting
  • diarrhea
  • muscle aches
  • fatigue
  • headache
  • loss of smell or taste
  • others that are consistent with acute COVID-19 infection in the opinion of the Investigator.
  • Able and willing to give written or oral informed consent
  • Willing to be an outpatient from Study Day 1 to 14, to provide blood during patient visits on Study Days 1, 3, 5, and 10, return on Study Days 1, 3, 5, 7, 10, 14, and 21 for assessment.
  • Willing to keep a diary of pain medication usage, side effects, and COVID-19 associated symptoms and answer a follow-up questionnaire on Study Day 84.

You may not qualify if:

  • Clinical signs and symptoms for severe COVID-19, such as:
  • Need for hospitalization at the time of screening
  • Need for supplemental O2 at the time of screening
  • A person with any of the following laboratory values:
  • AST or ALT \>/= 1000 U/L
  • Known serum creatinine \> 1.6 mg/dL
  • Prior use of any of the following treatments: COVID-19 convalescent plasma, monoclonal antibodies against SARS-CoV-2, IVIG (for COVID-19), or COVID-19 treatments (authorized, approved, or investigational)
  • Current usage (within the last 7 days prior to randomization) of any of the following drugs:
  • anticoagulant drugs including, but not limited to, aspirin, warfarin, or clopidogrel.
  • systemic corticosteroids or non-steroidal anti-inflammatory medications for any indication
  • drugs that are known to block the functions of ketotifen, such as propranolol.
  • oral anti-diabetic agents
  • diflunisal or other drugs (or drugs at certain doses) that are contraindicated for concurrent use with Indomethacin
  • Prior vaccination of at least one dose of vaccine for SARS-CoV-2
  • Has participated, is participating, or plans to participate in a clinical research study evaluating any authorized, approved, or investigational drug SARS-CoV-2
  • +9 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Dhulikhel Hospital

Kavre, Bagmati, Nepal

Location

Global Clinical Research Pvt. Ltd.

Kathmandu, 44600, Nepal

Location

Related Publications (5)

  • St John AL, Rathore APS. Early Insights into Immune Responses during COVID-19. J Immunol. 2020 Aug 1;205(3):555-564. doi: 10.4049/jimmunol.2000526. Epub 2020 Jun 8.

    PMID: 32513850BACKGROUND
  • Abraham SN, St John AL. Mast cell-orchestrated immunity to pathogens. Nat Rev Immunol. 2010 Jun;10(6):440-52. doi: 10.1038/nri2782.

    PMID: 20498670BACKGROUND
  • St John AL, Abraham SN. Innate immunity and its regulation by mast cells. J Immunol. 2013 May 1;190(9):4458-63. doi: 10.4049/jimmunol.1203420.

    PMID: 23606723BACKGROUND
  • Rathore AP, St John AL. Protective and pathogenic roles for mast cells during viral infections. Curr Opin Immunol. 2020 Oct;66:74-81. doi: 10.1016/j.coi.2020.05.003. Epub 2020 Jun 18.

    PMID: 32563779BACKGROUND
  • Kiani P, Scholey A, Dahl TA, McMann L, Iversen JM, Verster JC. In Vitro Assessment of the Antiviral Activity of Ketotifen, Indomethacin and Naproxen, Alone and in Combination, against SARS-CoV-2. Viruses. 2021 Mar 26;13(4):558. doi: 10.3390/v13040558.

    PMID: 33810356BACKGROUND

MeSH Terms

Interventions

KetotifenIndomethacinketotifen fumarate ophthalmic solution

Intervention Hierarchy (Ancestors)

ThiophenesSulfur CompoundsOrganic ChemicalsPiperidinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsIndolesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Alexander T Limkakeng, MD

    Duke University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Patients will be provided identical appearing pills
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 12, 2021

First Posted

August 16, 2021

Study Start

May 3, 2022

Primary Completion

June 20, 2024

Study Completion

June 20, 2024

Last Updated

June 24, 2024

Record last verified: 2024-06

Data Sharing

IPD Sharing
Will not share

Locations