Dengue Clinical Trial
Official title:
Efficacy and Safety of a Novel Tetravalent Dengue Vaccine in Healthy Children Aged 2 to 14 Years in Asia
Verified date | March 2022 |
Source | Sanofi |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The aim of the trial was to assess the efficacy of the CYD dengue vaccine in preventing symptomatic, virologically-confirmed dengue (VCD) cases. Primary Objective: To assess the efficacy of CYD dengue vaccine after 3 vaccinations at 0, 6, and 12 months in preventing symptomatic VCD cases, regardless of the severity, due to any of the four serotypes in children aged 2 to 14 years at the time of inclusion. Secondary Objectives: - To describe the efficacy of CYD dengue vaccine in preventing symptomatic VCD cases after the third dose to the end of the Active Phase, after at least 1 dose, and after 2 doses. - To describe the occurrence of serious adverse events (SAEs), including SAEs of special interest in all participants throughout the trial period. - To describe the occurrence of hospitalized virologically-confirmed dengue (VCD) cases and the occurrence of severe (clinically-severe or as per World Health Organization (WHO) criteria) VCD cases, throughout the Surveillance Expansion period (SEP) and throughout the trial (from Day 0 to the end of the study). - To describe the antibody response to each dengue serotype after Dose 2, after Dose 3, and 1 and 5 years after Dose 3.
Status | Completed |
Enrollment | 10275 |
Est. completion date | November 21, 2017 |
Est. primary completion date | August 1, 2014 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 2 Years to 14 Years |
Eligibility | Inclusion Criteria: - Aged 2 to 14 years on the day of inclusion and resident of the site zone - Participant was in good health, based on medical history and physical examination - Assent form or informed consent form has been signed and dated by the participant (based on local regulations), and informed consent form has been signed and dated by the parent(s) or another legally acceptable representative (and by an independent witness if required by local regulations) - Participant attended all scheduled visits and to comply with all trial procedures. Exclusion Criteria: - Participant was pregnant, or lactating, or was of childbearing potential (to be considered of non-childbearing potential, a female must be pre-menarche for at least 1 year, surgically sterile, or using an effective method of contraception or abstinence from at least 4 weeks prior to the first vaccination until at least 4 weeks after the last vaccination) - Participation in another clinical trial investigating a vaccine, drug, medical device, or a medical procedure in the 4 weeks preceding the first trial vaccination - Planned participation in another clinical trial during the present trial period - Self-reported or suspected congenital or acquired immunodeficiency; or receipt of immunosuppressive therapy such as anti-cancer chemotherapy or radiation therapy within the preceding 6 months; or long-term systemic corticosteroids therapy (prednisone or equivalent for more than 2 consecutive weeks within the past 3 months) - Self-reported seropositivity for Human Immunodeficiency Virus (HIV) infection - Self-reported systemic hypersensitivity to any of the vaccine components, or history of a life-threatening reaction to the vaccine used in the trial or to a vaccine containing any of the same substances - Chronic illness that, in the opinion of the Investigator, is at a stage where it might interfere with trial conduct or completion - Receipt of blood or blood-derived products in the past 3 months, which might interfere with assessment of the immune response - Planned receipt of any vaccine in the 4 weeks following any trial vaccination - Deprived of freedom by administrative or court order, or in an emergency setting, or hospitalized involuntarily - Current alcohol abuse or drug addiction that might interfere with the ability to comply with trial procedures - Identified as a site employee of the Investigator or study center, with direct involvement in the proposed study or other studies under the direction of that Investigator or study center, as well as a family member (i.e., immediate, husband, wife and their children, adopted or natural) of the site employees or the Investigator. |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Sanofi Pasteur, a Sanofi Company |
Indonesia, Malaysia, Philippines, Thailand, Vietnam,
Capeding MR, Tran NH, Hadinegoro SR, Ismail HI, Chotpitayasunondh T, Chua MN, Luong CQ, Rusmil K, Wirawan DN, Nallusamy R, Pitisuttithum P, Thisyakorn U, Yoon IK, van der Vliet D, Langevin E, Laot T, Hutagalung Y, Frago C, Boaz M, Wartel TA, Tornieporth N — View Citation
Coudeville L, Baurin N, L'Azou M, Guy B. Potential impact of dengue vaccination: Insights from two large-scale phase III trials with a tetravalent dengue vaccine. Vaccine. 2016 Dec 7;34(50):6426-6435. doi: 10.1016/j.vaccine.2016.08.050. Epub 2016 Sep 3. — View Citation
Coudeville L, Baurin N, Vergu E. Estimation of parameters related to vaccine efficacy and dengue transmission from two large phase III studies. Vaccine. 2016 Dec 7;34(50):6417-6425. doi: 10.1016/j.vaccine.2015.11.023. Epub 2015 Nov 21. — View Citation
Gailhardou S, Skipetrova A, Dayan GH, Jezorwski J, Saville M, Van der Vliet D, Wartel TA. Safety Overview of a Recombinant Live-Attenuated Tetravalent Dengue Vaccine: Pooled Analysis of Data from 18 Clinical Trials. PLoS Negl Trop Dis. 2016 Jul 14;10(7):e — View Citation
Guy B, Jackson N. Dengue vaccine: hypotheses to understand CYD-TDV-induced protection. Nat Rev Microbiol. 2016 Jan;14(1):45-54. doi: 10.1038/nrmicro.2015.2. Epub 2015 Dec 7. Review. — View Citation
Guy B, Noriega F, Ochiai RL, L'azou M, Delore V, Skipetrova A, Verdier F, Coudeville L, Savarino S, Jackson N. A recombinant live attenuated tetravalent vaccine for the prevention of dengue. Expert Rev Vaccines. 2017 Jul;16(7):1-13. doi: 10.1080/14760584. — View Citation
Hadinegoro SR, Arredondo-García JL, Capeding MR, Deseda C, Chotpitayasunondh T, Dietze R, Muhammad Ismail HI, Reynales H, Limkittikul K, Rivera-Medina DM, Tran HN, Bouckenooghe A, Chansinghakul D, Cortés M, Fanouillere K, Forrat R, Frago C, Gailhardou S, — View Citation
L'Azou M, Moureau A, Sarti E, Nealon J, Zambrano B, Wartel TA, Villar L, Capeding MR, Ochiai RL; CYD14 Primary Study Group; CYD15 Primary Study Group. Symptomatic Dengue in Children in 10 Asian and Latin American Countries. N Engl J Med. 2016 Mar 24;374(1 — View Citation
Nealon J, Taurel AF, Capeding MR, Tran NH, Hadinegoro SR, Chotpitayasunondh T, Chong CK, Wartel TA, Beucher S, Frago C, Moureau A, Simmerman M, Laot T, L'Azou M, Bouckenooghe A. Symptomatic Dengue Disease in Five Southeast Asian Countries: Epidemiological — View Citation
Olivera-Botello G, Coudeville L, Fanouillere K, Guy B, Chambonneau L, Noriega F, Jackson N; CYD-TDV Vaccine Trial Group. Tetravalent Dengue Vaccine Reduces Symptomatic and Asymptomatic Dengue Virus Infections in Healthy Children and Adolescents Aged 2-16 — View Citation
Sridhar S, Luedtke A, Langevin E, Zhu M, Bonaparte M, Machabert T, Savarino S, Zambrano B, Moureau A, Khromava A, Moodie Z, Westling T, Mascareñas C, Frago C, Cortés M, Chansinghakul D, Noriega F, Bouckenooghe A, Chen J, Ng SP, Gilbert PB, Gurunathan S, D — View Citation
Vigne C, Dupuy M, Richetin A, Guy B, Jackson N, Bonaparte M, Hu B, Saville M, Chansinghakul D, Noriega F, Plennevaux E. Integrated immunogenicity analysis of a tetravalent dengue vaccine up to 4 y after vaccination. Hum Vaccin Immunother. 2017 Sep 2;13(9) — View Citation
* Note: There are 12 references in all — Click here to view all references
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of Symptomatic Virologically Confirmed Dengue (VCD) Cases Due to Any Serotype During the Active Phase Post-dose 3 Following Injection (Inj.) With Either CYD Dengue Vaccine or a Placebo | Symptomatic VCD cases were defined as occurrence of acute febrile illness (temperature >=38°C on at least 2 consecutive days) and confirmation of dengue virus infection by dengue reverse transcriptase polymerase chain reaction and/or dengue NS protein 1 antigen enzyme-linked immunosorbent assay. Vaccine efficacy was defined as 1 minus the ratio of density incidence due to any serotype after at least 1 dose in the CYD Dengue Vaccine Group over the density incidence of the Placebo Vaccine Group. | 28 days and up to 13 months post-dose 3 | |
Secondary | Geometric Mean Titers of Antibodies Against Each Serotype With the Parental Dengue Virus Strain Before and Following Injection With Either CYD Dengue Tetravalent Vaccine or a Placebo | Geometric mean titers against each of the 4 serotypes of dengue virus strains were assessed using the plaque reduction neutralization test (PRNT) in a pre-defined subset of participants. | Pre-injection 1, 28 days post Injections 2 and 3, 13 months (Visit 07) and 60 months (Visit 12) post-injection 3 | |
Secondary | Percentage of Participants With Antibody Titers >= 10 1/Dilution (1/Dil) Against Each Dengue Virus Serotype Strain Before and Following Inj. With CYD Dengue Vaccine or Placebo | Percentage of participants with antibody titers >= 10 (1/Dil) against each serotypes of the dengue virus strains were assessed using PRNT in a pre-defined subset of participants. | Pre-injection 1, 28 days post Injections 2 and 3, 13 months (V 07) and 60 months (V 12) post-injection 3 | |
Secondary | Number of Symptomatic VCD Cases Due to Any Serotype Occurring 28 Days Post-dose 1 Following Injection With Either CYD Dengue Vaccine or a Placebo | Symptomatic VCD cases were defined as occurrence of acute febrile illness (temperature >= 38°C on at least 2 consecutive days) and confirmation of dengue virus infection by dengue reverse transcriptase polymerase chain reaction and/or dengue NS1 enzyme-linked immunosorbent assay. Vaccine efficacy was defined as 1 minus the ratio of density incidence due to any serotype after at least 1 dose in the CYD Dengue Vaccine Group over the density incidence of the Placebo Vaccine Group. | 28 days post-injection 1 and up to 13 months post-injection 3 | |
Secondary | Number of Symptomatic VCD Cases Due to Any Serotype 28 Days Post-dose 2 Following Injection With Either CYD Dengue Vaccine or a Placebo | Symptomatic VCD cases were defined as occurrence of acute febrile illness (temperature >= 38°C on at least 2 consecutive days) and confirmation of dengue virus infection by dengue reverse transcriptase polymerase chain reaction and/or dengue NS1 enzyme-linked immunosorbent assay. Vaccine efficacy was defined as 1 minus the ratio of density incidence due to any serotype after at least 1 dose in the CYD Dengue Vaccine Group over the density incidence of the Placebo Vaccine Group. | 28 days post-injection 2 and up to 13 months post-injection 3 | |
Secondary | Number of Symptomatic VCD Cases Due to Any Serotype During the Active Phase in Either CYD Dengue Vaccine or Placebo Group | Symptomatic VCD cases were defined as occurrence of acute febrile illness (temperature >=38°C on at least 2 consecutive days) and confirmation of dengue virus infection by dengue reverse transcriptase polymerase chain reaction and/or dengue NS1 enzyme-linked immunosorbent assay. Vaccine efficacy was defined as 1 minus the ratio of density incidence due to any serotype after at least 1 dose in the CYD Dengue Vaccine Group over the density incidence of the Placebo Vaccine Group. | Day 0 up to 13 months post-injection 3 | |
Secondary | Number of Symptomatic VCD Cases Meeting 1997 WHO Criteria Throughout the Trial Due to Any Serotype Following Injection With Either CYD Dengue Vaccine or a Placebo | Dengue hemorrhagic fever cases were defined as number of participants with at least one symptomatic VCD episode meeting the 1997 WHO criteria.
(a) Fever: acute onset, high (>= 38°C) and continuous, lasting 2 to 7 days and (b) any of the pre-listed hemorrhagic manifestations and laboratory findings of thrombocytopenia (platelet <=100 x 109/L) and plasma leakage as shown by hemoconcentation (hematocrit increased by 20% or more) or pleural effusion (seen on CXR) and/or ascites and/or hypoaluminemia. The first two clinical criteria plus thrombocytopenia and signs of plasma leakage are enough to establish a clinical diagnosis of DHF. Dengue hemorrhagic fever was graded as follows: Grade I: Fever accompanied by non-specific constitutional symptoms; the only hemorrhagic manifestation is a positive tourniquet test; Grade II: Spontaneous bleeding in addition to the manifestations of Grade I participants, usually in the form of skin and/or other hemorrhage. |
Day 0 to the end of study (up to 72 months) | |
Secondary | Number of Symptomatic VCD Cases Meeting 1997 WHO Criteria During the Surveillance Expansion Period Due to Any Serotype Following Inj. With Either CYD Dengue Vaccine or a Placebo | The 1997 WHO criteria are: a) Fever: acute onset, high (>= 38°C) and continuous, for 2 to 7 days and (b) any of the following: thrombocytopenia (platelet <=100 x 109/L) and plasma leakage as shown by hematocrit increased by 20% or more or pleural effusion and/or ascites and/or hypoaluminemia. The first two clinical criteria plus thrombocytopenia and signs of plasma leakage are enough to establish diagnosis of DHF. Dengue hemorrhagic fever was graded as follows:Grade I: Fever accompanied by non-specific constitutional symptoms; the only hemorrhagic manifestation is a positive tourniquet test; Grade II: Spontaneous bleeding in addition to the manifestations of Grade I participant,usually in the form of skin and/or other hemorrhages; Grade III: Circulatory failure manifested by rapid and weak pulse, narrowing of pulse pressure (20 mmHg or less) or hypotension, with the presence of cold clammy skin and restlessness; and Grade IV: Profound shock with undetectable blood pressure and pulse. | From consent to participate int the Surveillance Expansion Period to 60 months post-injection 3 (up to Month 72) | |
Secondary | Number of Clinically Severe VCD Cases Throughout the Trial Due to Any Serotype Following Inj. With Either CYD Dengue Vaccine or a Placebo | The severity of VCD cases was assessed by an IDMC based on a medical review of cases and any of the following criteria:1) Platelet count <=100000 µl and bleeding (tourniquet, petechiae or any bleeding) plus plasma leakage 2) Shock (pulse pressure <= 20 mmHg in a child, or hypotension [<= 90 mmHg] with tachycardia, weak pulse and poor perfusion) 3) Bleeding requiring blood transfusion 4) Encephalopathy i.e. Unconsciousness or poor conscious state or fitting not attributable to simple febrile convulsion or focal neurological signs. Poor conscious state or unconsciousness must be supported by GCS score 5) Liver impairment (AST >1000 IU/L or PT INR >1.5) excluding other causes of viral hepatitis 6) Impaired kidney function (serum creatinine >= 1.5 mg/dL) 7) Myocarditis, pericarditis or clinical heart failure supported by CXR, echocardiography, ECG or cardiac enzymes. | Day 0 to the end of study (up to 72 months) | |
Secondary | Number of Clinically Severe VCD Cases During the Surveillance Expansion Period Due to Any Serotype Following Inj. With Either CYD Dengue Vaccine or a Placebo | The severity of VCD cases was assessed by an IDMC based on a medical review of cases and any of the following criteria:1) Platelet count <=100000µl and bleeding (tourniquet, petechiae or any bleeding) plus plasma leakage 2) Shock (pulse pressure <= 20mmHg in a child, or hypotension [<= 90 mmHg] with tachycardia, weak pulse and poor perfusion) 3) Bleeding requiring blood transfusion 4) Encephalopathy i.e. Unconsciousness or poor conscious state or fitting not attributable to simple febrile convulsion or focal neurological signs. Poor conscious state or unconsciousness must be supported by GCS score 5) Liver impairment (AST >1000 IU/L or PT INR >1.5) excluding other causes of viral hepatitis 6) Impaired kidney function (serum creatinine >= 1.5 mg/dL) 7) Myocarditis, pericarditis or clinical heart failure supported by CXR, echocardiography, ECG or cardiac enzymes. | From consent to participate in the Surveillance Expansion Period to 60 months post-injection 3 (up to Month 72) | |
Secondary | Number of Participants With Solicited Injection Site Reactions Following Any and Each Inj. With Either CYD Dengue Vaccine or a Placebo | Solicited injection site reactions: Pain, Erythema, and Swelling. Grade 3 reactions (2-11 years): Pain, Incapacitating, unable to perform usual activities; Erythema and Swelling, >= 50 mm. Grade 3 Solicited injection site reactions (12-14 years): Pain, Significant, prevents daily activity; Erythema and Swelling, >100 mm. | Within 7 days after injection | |
Secondary | Number of Participants With Systemic Reactions Following Any and Each Inj. With Either CYD Dengue Vaccine or a Placebo | Solicited systemic reactions: Fever (Temperature), Headache, Malaise, Myalgia, and Asthenia. Grade 3 reactions: Fever, >= 39°C; Headache, Malaise, Myalgia, and Asthenia, Significant, prevents daily activity. | Within 14 days after injection | |
Secondary | Number of Hospitalized VCD Cases Throughout the Trial Due to Any Serotype Following Injection With Either CYD Dengue Vaccine or a Placebo | Hospitalized VCD cases were defined as VCD confirmed by dengue RT-PCR and/or dengue NS1 ELISA in participants with acute febrile illness (temperature >=38°C on at least 2 consecutive days) requiring hospitalization. | Day 0 to the end of study (up to 72 months) | |
Secondary | Number of Hospitalized VCD Cases During the Surveillance Expansion Period Due to Any Serotype Following Injection With Either CYD Dengue Vaccine or a Placebo | Hospitalized VCD cases were defined as VCD confirmed by dengue RT-PCR and/or dengue NS1 ELISA in participants with acute febrile illness (temperature >= 38°C on at least 2 consecutive days) requiring hospitalization. | From consent to participate in the Surveillance Expansion Period to 60 months post-injection 3 (up to Month 72) |
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