NCT04389450

Brief Summary

This clinical trial will examine if a new treatment of Mesenchymal-like Adherent stromal Cells (called PLX-PAD) can help patients intubated and mechanically ventilated due to COVID-19 to recover more quickly with less complications.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
66

participants targeted

Target at P50-P75 for phase_2

Timeline
Completed

Started Oct 2020

Geographic Reach
1 country

13 active sites

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 14, 2020

Completed
1 day until next milestone

First Posted

Study publicly available on registry

May 15, 2020

Completed
5 months until next milestone

Study Start

First participant enrolled

October 1, 2020

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 17, 2021

Completed
2.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

June 7, 2023

Completed
Last Updated

August 30, 2024

Status Verified

August 1, 2024

Enrollment Period

8 months

First QC Date

May 14, 2020

Last Update Submit

August 29, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Number of ventilator free days

    28 days

Secondary Outcomes (2)

  • All-cause mortality

    28 days

  • Duration of mechanical ventilation

    8 weeks

Study Arms (5)

PLX-PAD interval high dose

EXPERIMENTAL

PLX-PAD will be administered via 15 IM injections (1 mL each). Each subject will be treated twice, with an interval of 1 week between treatments.

Biological: PLX-PAD

PLX-PAD low dose

EXPERIMENTAL

PLX-PAD 300, single administration, second administration of placebo after 1 week.

Biological: PLX-PAD

Control Group A

PLACEBO COMPARATOR

Placebo, two administrations, 1 week apart

Biological: Placebo

PLX-PAD high dose

EXPERIMENTAL

PLX-PAD, single administration

Biological: PLX-PAD

Control Group B

PLACEBO COMPARATOR

Placebo, single administration

Biological: Placebo

Interventions

PLX-PADBIOLOGICAL

PLX-PAD, allogeneic ex vivo expanded placental mesenchymal-like adherent stromal cells

PLX-PAD high dosePLX-PAD interval high dosePLX-PAD low dose
PlaceboBIOLOGICAL

Placebo solution for injection

Control Group AControl Group B

Eligibility Criteria

Age40 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Willing and able to provide written informed consent, or with a legal representative who can provide informed consent.
  • Male or non-pregnant female adult 40-80 years of age at time of enrollment.
  • Laboratory-confirmed SARS-CoV-2 infection as determined by PCR, in any specimen up to 21 days prior to randomization.
  • Meets definition of ARDS according to Berlin criteria.

You may not qualify if:

  • Body weight under 55 kg (121 lbs)
  • Serum creatinine level of over 1.5 mg/dL at time of randomization.
  • Total Bilirubin ≥2 mg/dL at time of randomization.
  • Known allergy to any of the following: dimethyl sulfoxide (DMSO), human serum albumin, bovine serum albumin.
  • Stroke or acute myocardial infarction/unstable angina within 3 months prior to randomization.
  • Chronic Obstructive Pulmonary disease GOLD stage above II.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (13)

University of California Irvine

Irvine, California, 92868, United States

Location

University of Southern California (USC) - Keck School of Medicine (KSOM)

Los Angeles, California, 90033, United States

Location

University Of California Davis,4860 Y Street

Sacramento, California, 95817, United States

Location

Baptist Health Medical Center

Jacksonville, Florida, 32207, United States

Location

Medical College of Georgia at Augusta University

Augusta, Georgia, 30907, United States

Location

Sarah Cannon Research Institute, LLC (Mercer University School of Medicine)

Macon, Georgia, 31217, United States

Location

University of Mississippi Medical Center

Jackson, Mississippi, 39216, United States

Location

Cooper Research Institute

Camden, New Jersey, 08103, United States

Location

Holy Medical Center

Teaneck, New Jersey, 07666, United States

Location

Montefiore Medical Center

New York, New York, 10467, United States

Location

Maimonides Medical Center

New York, New York, 11219, United States

Location

Mercy Medical Center

New York, New York, 11570, United States

Location

Thomas Jefferson University

Philadelphia, Pennsylvania, 19107, United States

Location

Related Links

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 14, 2020

First Posted

May 15, 2020

Study Start

October 1, 2020

Primary Completion

May 17, 2021

Study Completion

June 7, 2023

Last Updated

August 30, 2024

Record last verified: 2024-08

Data Sharing

IPD Sharing
Will not share

Locations