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A Study of CP-COV03 Compared With Placebo in Participants With Dengue (Part 1) and Dengue-like Illness (Part 2)

4. maj 2026 opdateret af: Hyundai Bioscience Co., Ltd.

A Randomized, Double-blinded, Placebo-controlled Clinical Trial to Evaluate Safety and Efficacy of CP-COV03 in Dengue Patients (Part 1) / Dengue and Dengue-like Illness Patients (Part 2)

This is a randomized, double-blind, placebo-controlled Phase 2/3 study to evaluate the efficacy, safety, and antiviral activity of CP-COV03 in adult patients with dengue infection.

Studieoversigt

Status

Rekruttering

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

In Phase 2, approximately 210 patients with NS1-positive dengue within 72 hours of fever onset will be randomized to receive placebo or CP-COV03 at doses of 450, 900, or 1,350 mg/day for 7 days. An interim analysis by an independent Data and Safety Monitoring Board (DSMB) will support dose selection for Phase 3.

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

210

Fase

  • Fase 2
  • Fase 3

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiekontakt

Studiesteder

      • Hanoi, Vietnam
        • Ikke rekrutterer endnu
        • The National Hospital of Tropical Diseases (NHTD)
      • Mỹ Tho, Vietnam
        • Rekruttering
        • Tien Giang Provincial General Hospital

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Patients who are 18 years or over of age at time of screening.
  • Patients who have at least two symptoms with a score of 2 or higher within 72 h from fever onset.
  • Patients who are diagnosed with dengue by NS1 positive (Phase 2- Part 1 only). And patients who are classified as dengue, zika, influenza, COVID-19 and others (Phase 3- Part 2 only)

Exclusion Criteria:

  • Patients who show severe dengue (WHO dengue guideline C, any severe symptoms or clinical laboratory results)
  • Patients who have previously received dengue vaccine
  • Patients who have chronic medical conditions such as uncontrolled diabetes mellitus, severe asthma requiring oral steroids or admission to the hospital in the previous 6 months for cardiac disease

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Firedobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Placebo komparator: Placebo
Matchende placebo
Oral administration
Eksperimentel: CP-COV03 low dose
450 mg/day
Oral administration
Eksperimentel: CP-COV03 mid dose
900 mg/day
Oral administration
Eksperimentel: CP-COV03 high dose
1,350 mg/day
Oral administration

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
[Part 1] Incidence and severity of Adverse Events (AEs) and Serious Adverse Events (SAEs)
Tidsramme: From start of study intervention (Day 1) up to end of safety follow-up (Day 29)
The incidence and severity of AEs / SAEs will be summarized by treatment group. Clinical laboratory abnormalities, vital sign changes, and electrocardiogram (ECG) findings will be reported as AEs if they are considered clinically significant.
From start of study intervention (Day 1) up to end of safety follow-up (Day 29)
[Part 1] Average of dengue viral load on Day 3
Tidsramme: Baseline, Day 1, 2, 3
The area under the log-transformed DENV RNA viral load (log10 VL) curve from baseline until Day 3 will be determined. The viral load is measured in plasma samples using reverse transcription polymerase chain reaction (RT-PCR).
Baseline, Day 1, 2, 3
[Part 2] Time to sustained symptom improvement up to Day 15
Tidsramme: From baseline up to Day 15
Sustained improvement of each targeted symptom is defined as the event occurring on the first 2 consecutive days when each symptom scored as moderate or severe at the time of enrollment is scored as mild or absent, and those scored mild or absent at the time of enrollment are scored as absent.
From baseline up to Day 15

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
[Part 1, 2] Dengue viral load up to Day 6, 8, 15
Tidsramme: Baseline, Day 1, 2, 3, 6, 8, 15
The viral load is measured in plasma samples using reverse transcription polymerase chain reaction (RT-PCR).
Baseline, Day 1, 2, 3, 6, 8, 15
[Part 1] Time to sustained symptom improvement up to Day 15
Tidsramme: From baseline up to Day 15
Sustained improvement of each targeted symptom is defined as the event occurring on the first 2 consecutive days when each symptom scored as moderate or severe at the time of enrollment is scored as mild or absent, and those scored mild or absent at the time of enrollment are scored as absent.
From baseline up to Day 15
[Part 1, 2] Diagnosis of severe dengue fever or dengue hemorrhagic fever (DHF)
Tidsramme: From baseline up to Day 15
Assessment of the clinical course of dengue fever
From baseline up to Day 15
[Part 1] PK parameter - Area under the plasma concentration-time curve (AUC)
Tidsramme: Day 1, Day 7
Pharmacokinetic assessment of CP-COV03 in dengue fever patients
Day 1, Day 7
[Part 1] PK parameter - Maximum observed plasma concentration (Cmax)
Tidsramme: Day 1, Day 7
Pharmacokinetic assessment of CP-COV03 in dengue fever patients
Day 1, Day 7
[Part 1] PK parameter - Time to reach maximum plasma concentration (Tmax)
Tidsramme: Day 1, Day 7
Pharmacokinetic assessment of CP-COV03 in dengue fever patients
Day 1, Day 7
[Part 1] PK parameter - Terminal elimination half-life (t½)
Tidsramme: Day 1, Day 7
Pharmacokinetic assessment of CP-COV03 in dengue fever patients
Day 1, Day 7

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

9. april 2026

Primær færdiggørelse (Anslået)

1. januar 2027

Studieafslutning (Anslået)

1. maj 2027

Datoer for studieregistrering

Først indsendt

27. april 2026

Først indsendt, der opfyldte QC-kriterier

4. maj 2026

Først opslået (Faktiske)

8. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

8. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

4. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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Kliniske forsøg med Placebo

Abonner