NCT07016321

Brief Summary

The goal of this study is to evaluate the efficacy and safety of emetine administered orally for symptomatic patients aged 18-65 years infected with the dengue virus. The main questions it aims to answer are:

  1. 1.Does emetine reduce 28-day mortality or progression to severe dengue (severe plasma leakage, severe bleeding, or severe organ involvement)?
  2. 2.What are the safety outcomes of emetine, including serious adverse events and toxicities?
  3. 3.Take either 6mg emetine, 12mg emetine, or a placebo pill for 7 consecutive days as part of the treatment regimen.
  4. 4.Have blood samples taken for at least 5 days to monitor viral load, inflammatory markers, and safety parameters.
  5. 5.Be monitored by healthcare staff for daily vital signs and symptoms for clinical assessments for 28 days.

Trial Health

67
Monitor

Trial Health Score

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

Enrollment
600

participants targeted

Target at P75+ for phase_2

Timeline
37mo left

Started May 2026

Typical duration for phase_2

Geographic Reach
2 countries

2 active sites

Status
not yet recruiting

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 Progress1%
May 2026May 2029

First Submitted

Initial submission to the registry

May 20, 2025

Completed
22 days until next milestone

First Posted

Study publicly available on registry

June 11, 2025

Completed
11 months until next milestone

Study Start

First participant enrolled

May 1, 2026

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2029

Expected
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 3, 2029

Last Updated

December 12, 2025

Status Verified

December 1, 2025

Enrollment Period

2.8 years

First QC Date

May 20, 2025

Last Update Submit

December 11, 2025

Conditions

Outcome Measures

Primary Outcomes (3)

  • Evaluate effectiveness of emetine in dengue patients assessed by 28-day mortality or progression

    28-day mortality or progression to severe dengue, defined as severe plasma leakage, severe bleeding, or severe organ involvement (death and severe dengue will be assessed as a composite outcome)

    28 days

  • Safety of emetine assessed by number of adverse events

    Record serious adverse events and toxicities by organ-system

    Up to 28 days

  • Safety of emetine assessed by rate of drug discontinuation

    Evaluate the safety of emetine assessed by rate of drug discontinuation

    Up to 28 days

Secondary Outcomes (12)

  • Recovery (≥ 3 days without symptoms)

    Up to 14 days

  • Time to Virologic Clearance of Dengue Virus by Qualitative RT-PCR

    Pre-dose (day 0), day 3, and day 5

  • Quantitative Viral Load Assessment by RT-PCR Cycle Threshold (Ct) Values

    Days 0,3, 5

  • Changes in inflammatory marker measured by hematocrit

    Days 0 to 5

  • Changes in inflammatory marker measured by white blood count

    Day 0-5

  • +7 more secondary outcomes

Study Arms (3)

Emetine 6 mg

ACTIVE COMPARATOR

Participants take 6mg Emetine pill for 10 consecutive days

Drug: Emetine Hydrochloride 6mg

Emetine 12 mg

ACTIVE COMPARATOR

Participants take 12mg Emetine pill for 10 consecutive days

Drug: Emetine Hydrochloride 12mg

Placebo

PLACEBO COMPARATOR

Participant take a placebo for 10 consecutive days

Drug: Placebo

Interventions

To administer Emetine Hydrochloride 6mg orally for 10 consecutive days to evaluate the efficacy and safety of emetine for symptomatic dengue patients.

Emetine 6 mg

Participant take a placebo for 10 consecutive days.

Placebo

To administer Emetine Hydrochloride 12mg orally for 10 consecutive days to evaluate the efficacy and safety of emetine for symptomatic dengue patients.

Emetine 12 mg

Eligibility Criteria

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

You may qualify if:

  • Age 18 to 65 years
  • Admitted to the hospital
  • Laboratory-confirmed infection with dengue virus within the last 5 days and preferably within the last 3 days. Testing for dengue virus using positive Nonstructural protein 1(NS1) strip assay or reverse-transcriptase polymerase chain reaction (RT-PCR)
  • Having two or more clinical symptoms (fever, headache, retro-orbital pain, myalgia, arthralgia, rash, hemorrhagic manifestations, or leucopenia, gastrointestinal symptoms) with the onset of fever within 72 hours of presentation, and
  • Able to provide voluntary informed consent and comply with all study procedures and visits.

You may not qualify if:

  • Age ≥65 years
  • Pregnant or breastfeeding
  • Current or recent use of the study drug
  • Known allergy to study drug
  • Current or planned participation in another pharmacological interventional trial in the next 10 days
  • Participants with known past history of dengue infection
  • Participants on aspirin, anticoagulants, or with other conditions that might increase the risk of bleeding
  • Participants on immunosuppressive agents, including long-term steroids
  • Severe dengue as defined by the WHO 2009 revised case classification.
  • Individuals with long-term immunosuppressive agents such as anti-cancer chemotherapy or radiation therapy within the past 6 months, or those on systemic corticosteroid therapy
  • History of prior vaccination against dengue fever within one year.
  • Patients who have recently used ayurvedic or herbal medications for dengue or any other conditions in the last 7 days (eg, Papaya leaf extract)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Johns Hopkins University, Division of Infectious Disease

Baltimore, Maryland, 21231, United States

Location

Bharatpur Hospital

Bharatpur-10, Chitwan, Nepal

Location

Related Publications (8)

  • Choy KT, Wong AY, Kaewpreedee P, Sia SF, Chen D, Hui KPY, Chu DKW, Chan MCW, Cheung PP, Huang X, Peiris M, Yen HL. Remdesivir, lopinavir, emetine, and homoharringtonine inhibit SARS-CoV-2 replication in vitro. Antiviral Res. 2020 Jun;178:104786. doi: 10.1016/j.antiviral.2020.104786. Epub 2020 Apr 3.

    PMID: 32251767BACKGROUND
  • Ooi EE. Repurposing Ivermectin as an Anti-dengue Drug. Clin Infect Dis. 2021 May 18;72(10):e594-e595. doi: 10.1093/cid/ciaa1341. No abstract available.

    PMID: 33124646BACKGROUND
  • Bhat CS, Shetty R, Sundaram B, Ramanan AV. Immunomodulatory therapy in dengue: need for clinical trials and evidence base. Arch Dis Child. 2023 Jun;108(6):451-452. doi: 10.1136/archdischild-2022-324100. Epub 2022 Jun 9. No abstract available.

    PMID: 35680407BACKGROUND
  • Guzman MG, Gubler DJ, Izquierdo A, Martinez E, Halstead SB. Dengue infection. Nat Rev Dis Primers. 2016 Aug 18;2:16055. doi: 10.1038/nrdp.2016.55.

    PMID: 27534439BACKGROUND
  • Beesetti H, Khanna N, Swaminathan S. Investigational drugs in early development for treating dengue infection. Expert Opin Investig Drugs. 2016 Sep;25(9):1059-69. doi: 10.1080/13543784.2016.1201063. Epub 2016 Jun 24.

    PMID: 27322111BACKGROUND
  • Entner N, Grollman AP. Inhibition of protein synthesis: a mechanism of amebicide action of emetine and other structurally related compounds. J Protozool. 1973 Feb;20(1):160-3. doi: 10.1111/j.1550-7408.1973.tb06025.x. No abstract available.

    PMID: 4347870BACKGROUND
  • Bleasel MD, Peterson GM. Emetine Is Not Ipecac: Considerations for Its Use as Treatment for SARS-CoV2. Pharmaceuticals (Basel). 2020 Nov 27;13(12):428. doi: 10.3390/ph13120428.

    PMID: 33261173BACKGROUND
  • Grollman AP. Structural basis for inhibition of protein synthesis by emetine and cycloheximide based on an analogy between ipecac alkaloids and glutarimide antibiotics. Proc Natl Acad Sci U S A. 1966 Dec;56(6):1867-74. doi: 10.1073/pnas.56.6.1867. No abstract available.

    PMID: 16591432BACKGROUND

MeSH Terms

Conditions

Dengue

Interventions

Emetine

Condition Hierarchy (Ancestors)

Mosquito-Borne DiseasesVector Borne DiseasesInfectionsArbovirus InfectionsVirus DiseasesFlavivirus InfectionsFlaviviridae InfectionsRNA Virus InfectionsHemorrhagic Fevers, Viral

Intervention Hierarchy (Ancestors)

AlkaloidsHeterocyclic CompoundsIsoquinolinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-Ring

Study Officials

  • Kunchok Dorjee, MBBS, PhD

    Johns Hopkins University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Kunchok Dorjee, MBBS, PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
Double-blinded trial
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Participants will be randomly assigned to one of three arms: intervention arm #1 (6 mg emetine), intervention arm #2 (12 mg emetine), or the control arm (matching oral placebo) based on a pre-designed scheme of block randomization.
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 20, 2025

First Posted

June 11, 2025

Study Start

May 1, 2026

Primary Completion (Estimated)

March 1, 2029

Study Completion (Estimated)

May 3, 2029

Last Updated

December 12, 2025

Record last verified: 2025-12

Locations