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Completed Phase 3 Interventional Results available

Study to Assess the Efficacy and Safety of Emapalumab in Primary Haemophagocytic Lymphohistiocytosis

ClinicalTrials.gov ID: NCT03312751

Public ClinicalTrials.gov record NCT03312751. 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 Sep 9, 2026, 7:39 PM EDT

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

Official title

An Open-label, Single Arm, Multicenter Study to Broaden Access to Emapalumab, an Anti-Interferon Gamma (Anti-IFNγ) Monoclonal Antibody, and to Assess Its Efficacy, Safety, Impact on Quality of Life, and Long-term Outcome in Pediatric Patients With Primary Hemophagocytic Lymphohistiocytosis

Brief summary

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

The purpose of this study is to expand the knowledge on the efficacy and safety of emapalumab (previously known as NI-0501) as a treatment for primary haemophagocytic lymphohistiocytosis (HLH) patients, including on long-term outcomes and quality of life assessments. Emapalumab can be administered as the first-line therapy to patients not previously treated with the current standard of care, or can be given to patients who have either failed or were unable to tolerate the available standard of care. Emapalumab is to be administered until the start of conditioning for hematopoietic stem cell transplantation (HSCT), with an anticipated duration ranging from a minimum of 4 weeks to approximately 12 weeks and not exceeding 6 months. After treatment completion, patients will continue in the study for long-term follow-up until 1 year after either HSCT or last emapalumab infusion (if HSCT is not performed).

Study identification

NCT ID
NCT03312751
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Swedish Orphan Biovitrum
Industry
Enrollment
35 participants

Conditions and interventions

Eligibility (public fields only)

Age range
Up to 18 Years
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
Feb 5, 2019
Primary completion
Aug 17, 2021
Completion
Sep 13, 2022
Last update posted
Mar 11, 2024

2019 – 2022

United States locations

U.S. sites
10
U.S. states
10
U.S. cities
10
Facility City State ZIP Site status
Phoenix Children Hospital Phoenix Arizona 85016
Children's Hospital Los Angeles Los Angeles California 90027
Children's Hospital Colorado Aurora Colorado 80045-7106
Alfred I. duPont Hospital for Children - Nemours Center for Cancer and Blood Disorders - Division of Pediatric Hematology Oncology Wilmington Delaware 19803
Children's Healthcare of Atlanta Atlanta Georgia 30329
Dana-Farber Cancer Institute (DFCI) Boston Massachusetts 02215
Spectrum Health Helen DeVos Children's Hospital Grand Rapids Michigan 49503
Cincinnati Children's Hospital Cincinnati Ohio 45229
Texas Children's Hospital - Feigin Center Houston Texas 77030
Seattle Children's Hospital Seattle Washington 98109

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 17 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03312751, 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 Mar 11, 2024 · Synced Sep 9, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03312751 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →