| Primary | Number of Participants With Solicited Adverse Events (SEs) After Dose 1 | The SEs for this study included fever ≥ 100.4°F, runny/stuffy nose, cough, drowsiness, loss of appetite/decreased urine output, irritability/fussiness, laryngitis, and epistaxis. | Safety population for solicited symptoms included randomized participants who received investigational product for the specified dose and had any solicited symptom data obtained after that dose | Posted | | Number | | participants | | Days 0-28 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG004 | 10^6 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG005 | 10^6 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. |
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| Primary | Number of Participants With SEs After Dose 2 | The SEs for this study included fever ≥ 100.4°F, runny/stuffy nose, cough, drowsiness, loss of appetite/decreased urine output, irritability/fussiness, laryngitis, and epistaxis. | Safety population for solicited symptoms included randomized participants who received investigational product for the specified dose and had any solicited symptom data obtained after that dose. | Posted | | Number | | participants | | Days 0-28 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 |
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| Primary | Number of Participants With SEs After Dose 3 | The SEs for this study included fever ≥ 100.4°F, runny/stuffy nose, cough, drowsiness, loss of appetite/decreased urine output, irritability/fussiness, laryngitis, and epistaxis. | Safety population for solicited symptoms included randomized participants who received investigational product for the specified dose and had any solicited symptom data obtained after that dose | Posted | | Number | | participants | | Days 0-28 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 |
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| Primary | Number of Participants With Adverse Events (AEs) After Dose 1 | Unsolicited AEs reported by 1 or more participants in either treatment group through 28 days post Dose 1. | The safety population for AEs included randomized participants who received investigational product for the specified dose and had any safety follow-up. | Posted | | Number | | participants | | Days 0-28 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo | |
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| Primary | Number of Participants With AEs After Dose 2 | Unsolicited AEs reported by 1 or more participants in either treatment group through 28 days post Dose 2. | The safety population for AEs included randomized participants who received investigational product for the specified dose and had any safety follow-up. | Posted | | Number | | participants | | Days 0-28 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo | |
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| Primary | Number of Participants With AEs After Dose 3 | Unsolicited AEs reported by 1 or more participants in either treatment group through 28 days post Dose 3. | The safety population for AEs included randomized participants who received investigational product for the specified dose and had any safety follow-up. | Posted | | Number | | participants | | Days 0-28 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo | |
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| Primary | Number of Subjects With Medically-attended Lower Respiratory Illnesses (MA-LRIs) | An MA-LRI was a healthcare provider-confirmed diagnosis of 1 or more of the following: wheezing, pneumonia, croup, rhonchi (not cleared with cough or suctioning), rales, bronchitis, bronchiolitis, apnea. | The safety population for MA-LRIs included randomized participants who received investigational product and had any safety follow-up. | Posted | | Number | | participants | | Days 0 to 180 days after final dose or the end of the RSV season, whichever was later | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
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| Primary | Number of Participants With Serious Adverse Events (SAEs) | Events resulting in death; were life-threatening; resulted in inpatient hospitalization/prolongation of hospitalization; resulted in persistent or significant disability or incapacity; were a congenital anomaly/birth defect in the offspring of a participant; or were an important medical event that may not have resulted in death, threatened life, or required hospitalization and may have jeopardized the participant and required medical/surgical intervention to prevent one of the above outcomes. | The safety population included all subjects who received investigational product for the specified dose and had any safety follow-up. | Posted | | Number | | participants | | Days 0-28 after any dose | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. |
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| Primary | Number of Participants With Significant New Medical Conditions (SNMCs) | A SNMC is a newly diagnosed medical condition that is of a chronic, ongoing nature and is assessed by the investigator as medically significant. | Safety population was participants who received investigational product and had any safety follow-up for ≥ 1 day after dosing (ie, did not discontinue on Day 0 after receiving Dose 1). | Posted | | Number | | participants | | Day 0 through 180 days after the final dose or through the end of the RSV season, whichever was later | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
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| Secondary | Number of Participants Shedding Vaccine-like Virus at Any Time During Study Participation | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 7, 12, and 28 after each dose and during visits for pre-specified illness symptoms occurring Day 0 through 28-34 days post each dose. | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
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| Secondary | Number of Participants Shedding Vaccine-like Virus at 7 Days After Dose 1 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 7-10 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
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| Secondary | Number of Participants Shedding Vaccine-like Virus at 12 Days After Dose 1 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 12-18 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Number of Participants Shedding Vaccine-like Virus at 28 Days After Dose 1 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 28-34 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
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| Secondary | Number of Participants With Shedding of Vaccine-like Virus on Any Day During Days 0-28 After Dose 1 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 0-34 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Number of Participants Shedding Vaccine-like Virus at 7 Days After Dose 2 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 7-10 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Number of Participants Shedding Vaccine-like Virus at 12 Days After Dose 2 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 12-18 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Number of Participants Shedding Vaccine-like Virus at 28 Days After Dose 2 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 28-34 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Number of Participants With Shedding of Vaccine-like Virus on Any Day During Days 0-28 After Dose 2 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 0-34 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Number of Participants Shedding Vaccine-like Virus at 7 Days After Dose 3 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 7-10 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Number of Participants Shedding Vaccine-like Virus at 12 Days After Dose 3 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 12-18 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Number of Participants Shedding Vaccine-like Virus at 28 Days After Dose 3 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 28-34 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Number of Participants With Shedding of Vaccine-like Virus on Any Day During Days 0-28 After Dose 3 | Number of participants with nasal wash specimens that were positive for RSV or PIV3 by culture and identified as vaccine-type virus by RT-PCR. | The shedding population included all subjects who received investigational product and had any valid shedding data. | Posted | | Number | | participants | | Days 0-34 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
|
| Secondary | Geometric Mean Titers (GMTs) of Serum Antibodies to RSV at Baseline | Pre-dose GMT of serum antibody response to RSV as measured by microneutralization assay. Limit of quantification is 5. For results reported as < 5, a value of 2.5 was imputed. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3 and/or RSV. | Posted | | Mean | 95% Confidence Interval | GMT | | Baseline (Day 0 prior to Dose 1) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 |
|
| Secondary | Geometric Mean Titers (GMTs) of Serum Antibodies to RSV at Day 28 Post Dose 1 | Post dose GMT of serum antibody response to RSV as measured by microneutralization assay. Limit of quantification is 5. For results reported as < 5, a value of 2.5 was imputed. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3 and/or RSV. | Posted | | Mean | 95% Confidence Interval | GMT | | Day 28-34 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
|
| Secondary | Geometric Mean Titers (GMTs) of Serum Antibodies to RSV at Day 28 Post Dose 2 | Post dose GMT of serum antibody response to RSV as measured by microneutralization assay. Limit of quantification is 5. For results reported as < 5, a value of 2.5 was imputed. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3 and/or RSV. | Posted | | Mean | 95% Confidence Interval | GMT | | Day 28-34 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
|
| Secondary | Geometric Mean Titers (GMTs) of Serum Antibodies to RSV at Day 28 Post Dose 3 | Post dose GMT of serum antibody response to RSV as measured by microneutralization assay. Limit of quantification is 5. For results reported as < 5, a value of 2.5 was imputed. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3 and/or RSV. | Posted | | Mean | 95% Confidence Interval | GMT | | Day 28-34 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
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| Secondary | Geometric Mean Titers (GMTs) of Serum Hemagglutination Inhibition (HAI) Antibodies to PIV3 at Baseline | Post dose GMT of serum antibody response to PIV3 as measured by HAI assay. Limit of quantification is 4. For results reported as < 4, a value of 2 was imputed. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3 and/or RSV. | Posted | | Mean | 95% Confidence Interval | GMT | | Baseline (Day 0 prior to Dose 1) | | | | ID | Title | Description |
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| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
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| Secondary | Geometric Mean Titers (GMTs) of Serum HAI Antibodies to PIV3 Day 28 Post Dose 1 | Post dose GMT of serum antibody response to PIV3 as measured by HAI assay. Limit of quantification is 4. For results reported as < 4, a value of 2 was imputed. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3 and/or RSV. | Posted | | Mean | 95% Confidence Interval | GMT | | Day 28-34 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
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| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
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| Secondary | Geometric Mean Titers (GMTs) of Serum HAI Antibodies to PIV3 Day 28 Post Dose 2 | Post dose GMT of serum antibody response to PIV3 as measured by HAI assay. Limit of quantification is 4. For results reported as < 4, a value of 2 was imputed. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3 and/or RSV. | Posted | | Mean | 95% Confidence Interval | GMT | | Day 28-34 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
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| Secondary | Geometric Mean Titers (GMTs) of Serum HAI Antibodies to PIV3 Day 28 Post Dose 3 | Post dose GMT of serum antibody response to PIV3 as measured by HAI assay. Limit of quantification is 4. For results reported as < 4, a value of 2 was imputed. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3 and/or RSV. | Posted | | Mean | 95% Confidence Interval | GMT | | Day 28-34 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | |
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| Secondary | Number of Participants With Seroresponse to RSV 28 Days After Dose 1 | Seroresponse is equal to or greater than a 4-fold rise in RSV antibody from baseline as measured by microneutralization assay. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for RSV. | Posted | | Number | | participants | | Days 28-34 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
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| Secondary | Number of Participants With Seroresponse to RSV 28 Days After Dose 2 | Seroresponse is equal to or greater than a 4-fold rise in RSV antibody from baseline as measured by microneutralization assay. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for RSV. | Posted | | Number | | participants | | Days 28-34 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 | 10^5 Placebo |
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| Secondary | Number of Participants With Seroresponse to RSV 28 Days After Dose 3 | Seroresponse is equal to or greater than a 4-fold rise in RSV antibody from baseline as measured by microneutralization assay. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for RSV. | Posted | | Number | | participants | | Days 28-34 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG003 |
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| Secondary | Number of Participants With Seroresponse to PIV3 28 Days After Dose 1 | Seroresponse is equal to or greater than a 4-fold rise in PIV3 antibody from baseline as measured by HAI assay. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3. Hemagglutination inhibition antibody results obtained on or after detection of wild-type HPIV3 in culture were not considered valid. | Posted | | Number | | participants | | Days 28-34 after Dose 1 (Dose 1 was on Day 0) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. |
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| Secondary | Number of Participants With Seroresponse to PIV3 28 Days After Dose 2 | Seroresponse is equal to or greater than a 4-fold rise in PIV3 antibody from baseline as measured by HAI assay. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3. Hemagglutination inhibition antibody results obtained on or after detection of wild-type HPIV3 in culture were not considered valid. | Posted | | Number | | participants | | Days 28-34 after Dose 2 (Dose 2 was on Day 48-64) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. |
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| Secondary | Number of Participants With Seroresponse to PIV3 28 Days After Dose 3 | Seroresponse is equal to or greater than a 4-fold rise in PIV3 antibody from baseline as measured by HAI assay. | The immunogenicity population included all subjects who received investigational product and had valid results from serum samples obtained for immunogenicity evaluation for PIV3. Hemagglutination inhibition antibody results obtained on or after detection of wild-type HPIV3 in culture were not considered valid. | Posted | | Number | | participants | | Days 28-34 after Dose 3 (Dose 3 was 48-64 days after Dose 2) | | | | ID | Title | Description |
|---|
| OG000 | 10^4 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. | | OG001 | 10^4 Placebo | Placebo was supplied as a frozen preparation filled into syringes. Each 0.2 mL dose contained sucrose phosphate buffer. | | OG002 | 10^5 MEDI-534 | MEDI-534 vaccine was supplied as a frozen preparation of live, attenuated, b/h PIV3/RSV F2 virus filled into syringes. Each 0.2 mL dose contained MEDI-534 in a sucrose phosphate buffer. |
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