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Terminated Phase 1 Interventional

A Study of MRx-4DP0004 in Asthma

ClinicalTrials.gov ID: NCT03851250

Public ClinicalTrials.gov record NCT03851250. 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 28, 2026, 4:08 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 First in Human, Double-blind, Placebo-controlled, Multicentre Phase I/II Study to Evaluate the Safety, Tolerability and Immune Modulatory Effects of MRx-4DP0004 in Participants Taking Long-term Control Medication for Their Asthma

Brief summary

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

This is a multicentre, phase I/II, double-blind, placebo-controlled study of MRx-4DP0004 in participants taking long-term medication for asthma. Participants will take two capsules of MRx-4DP0004 twice daily in addition to their existing asthma medication for 12 weeks. Safety and tolerability and immune modulatory effects of MRx-4DP0004 will be assessed throughout the study.

Study identification

NCT ID
NCT03851250
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 1
Lead sponsor
4D pharma plc
Industry
Enrollment
34 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 65 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
Jul 3, 2019
Primary completion
Apr 25, 2023
Completion
Apr 25, 2023
Last update posted
Apr 16, 2024

2019 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
OHSU Allergy and Clinical Immunology Clinic Portland Oregon 97239 —

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 3 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03851250, 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 Apr 16, 2024 · Synced Sep 28, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03851250 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →