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Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 in Allogeneic Hematopoietic Stem Cell Transplant Recipients (V114-022/PNEU-STEM)

ClinicalTrials.gov ID: NCT03565900

Public ClinicalTrials.gov record NCT03565900. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:59 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3, Randomized, Double-blind, Active Comparator-controlled, Multicenter Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 in Recipients of Allogeneic Hematopoietic Stem Cell Transplant (PNEU-STEM)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to 1) evaluate the safety and tolerability, and immunogenicity of blinded V114 and Prevnar 13™ within each vaccination group, and 2) evaluate the safety and tolerability, and immunogenicity of PNEUMOVAX™23 (administered as open label, 12 months after allogeneic hematopoietic stem cell transplant \[allo-HSCT\] in participants who do not develop chronic graft-versus-host disease \[GVHD\]).

Study identification

NCT ID
NCT03565900
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
277 participants

Conditions and interventions

Interventions

Biological

Eligibility (public fields only)

Age range
3 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 12, 2018 (Actual)
Primary completion
Nov 4, 2021 (Actual)
Completion
Nov 4, 2021 (Actual)
Last update posted
Jul 28, 2023

2018 – 2021

United States locations

U.S. sites
13
U.S. states
12
U.S. cities
13
Facility City State ZIP Site status
Stanford Health Care ( Site 0005) Palo Alto California 94305 —
Children's Hospital Colorado ( Site 0166) Aurora Colorado 80045 —
University of Florida ( Site 0011) Gainesville Florida 32610 —
University of Chicago ( Site 0016) Chicago Illinois 60637 —
Indiana Blood and Marrow Transplantation ( Site 0001) Indianapolis Indiana 46237 —
University of Kansas Medical Center ( Site 0007) Kansas City Kansas 66160 —
Johns Hopkins - University ( Site 0023) Baltimore Maryland 21287 —
Children's Mercy Hospital ( Site 0167) Kansas City Missouri 64108 —
Montefiore Einstein Center ( Site 0164) The Bronx New York 10467 —
Cincinnati Children's Hospital Medical Center ( Site 0010) Cincinnati Ohio 45229 —
Cleveland Clinic Foundation ( Site 0168) Cleveland Ohio 44106 —
Oregon Health & Science University ( Site 0018) Portland Oregon 97239 —
Baylor College of Medicine - Texas Children's Hospital ( Site 0165) Houston Texas 77030 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 39 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03565900, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 28, 2023 · Synced Oct 21, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT03565900 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →