Recruiting OBSERVATIONAL NCT05004493

Biorepository and Registry for Plasma Exchange Patients

Assessment of Changes in Normal and Pathological Immune Factors in Patients Undergoing Plasma Exchange

Sponsor: Charles M Knudson

Conditions Antibody-mediated Rejection CIDP NMO Spectrum Disorder TTP

Updated 7 times since 2021 Last updated: May 15, 2025 Started: Jul 28, 2021 Primary completion: Dec 31, 2030 Completion: Dec 31, 2040

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Antibody-mediated Rejection and CIDP, this trial is actively recruiting participants. The trial is conducted by Charles M Knudson and has accumulated 7 data snapshots since 2021. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

7 versions recorded

Jun 2025 — Present [monthly]

Recruiting
Sep 2024 — Jun 2025 [monthly]

Recruiting
Jul 2024 — Sep 2024 [monthly]

Recruiting
Dec 2023 — Jul 2024 [monthly]

Recruiting
Dec 2022 — Dec 2023 [monthly]

Recruiting

▶ Show 2 earlier versions

Dec 2021 — Dec 2022 [monthly]

Recruiting
Sep 2021 — Dec 2021 [monthly]

Recruiting

First recorded

Jul 2021

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Charles M Knudson

Data source: University of Iowa

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Iowa City, United States