ClinicalTrials.gov record

Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Efficacy of Efavaleukin Alfa in Subjects With Active Rheumatoid Arthritis

ClinicalTrials.gov ID: NCT03410056

Public ClinicalTrials.gov record NCT03410056. 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.

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ClinicalTrials.gov public records Last synced May 12, 2026, 9:55 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

A Phase 1b/2a Study to Evaluate the Safety and Efficacy of Efavaleukin Alfa in Subjects With Active Rheumatoid Arthritis With Inadequate Response to Standard of Care Therapy

Study identification

NCT ID: NCT03410056
Recruitment status: Terminated
Study type: Interventional
Phase: Phase 1, Phase 2
Lead sponsor: Amgen; Industry
Enrollment: 36 participants

Conditions and interventions

Conditions

Rheumatoid Arthritis RA

Interventions

Efavaleukin alfa Drug
Placebo Drug

Drug

Eligibility (public fields only)

Age range: 18 Years to 70 Years
Sex: All
Healthy volunteers: Accepts healthy volunteers

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

Study timeline

Start date: May 21, 2018
Primary completion: Dec 9, 2019
Completion: May 12, 2020
Last update posted: Jun 21, 2021

2018 – 2020

United States locations

U.S. sites: 5
U.S. states: 5
U.S. cities: 5

Facility	City	State	ZIP	Site status
Research Site	Anniston	Alabama	36207	—
Research Site	Torrance	California	90502	—
Research Site	Lansing	Michigan	48910	—
Research Site	Duncansville	Pennsylvania	16635	—
Research Site	Dallas	Texas	75231	—

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 10 non-U.S. sites.

About this trial record page

What this page shows: Public field values for ClinicalTrials.gov record NCT03410056, 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 Jun 21, 2021 · Synced May 12, 2026

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03410056 live on ClinicalTrials.gov.

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