Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT05487040 · ClinicalTrials.gov registry record · Phase 1

A Study to Measure the Amount of Study Medicine in Blood in Adult Participants With COVID-19 and Severe Kidney Disease

A Phase 1 study, sponsored by Pfizer.

Terminated
Registry status
Phase 1
Development phase
15
Enrollment target

NCT05487040: Clinical Trial Phase 1 study, sponsored by Pfizer.

NCT05487040 is a Phase 1 study that was terminated before completion, run by Pfizer. The registered enrollment target is 15 participants, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (75% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT05487040, a Phase 1 study, was terminated before completion, sponsored by Pfizer.

TERMINATED
Registry status
Phase 1
Development phase
15 participants
Enrollment target

Study Summary

The purpose of this study is to learn about the side effects (safety) of the study medicine PF-07321332 (nirmatrelvir)/ritonavir for the treatment of mild to moderate COVID-19 infection in adults with severe renal impairment. The study will also look at the amounts of study drug in your blood. There will be 24 participants in this study; 12 of them will have severe renal impairment and not be on hemodialysis and 12 of them will be on hemodialysis. All participants in this study will take PF-07321332 (nirmatrelvir)/ritonavir by mouth for 5 days. During this time, they will have to collect blood samples to measure the study drug levels in their blood. After taking the study drug for 5 days, the participants will have follow-up visits for about another 28 days for a total of about 34 days in the study. The study team will check how each participant is doing during regular visits at the study clinic.

Primary Outcome

An AE was any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. An SAE was defined as any untoward medical occurrence that, at any dose, meets one or more of the following criteria: 1. results in death. 2. is life-threatening. 3. Requires inpatient hospitalization or prolongation of existing hospitalization. 4. Results in persistent or significant disability/incapacit

Interventions

  • DRUG PF-07321332 (nirmatrelvir)/ritonavir

Trial Details

FieldValue
Enrollment Target 15 participants
Start Date 2022-09-07
Est. Completion 2023-07-11
Phase Phase 1
Pfizer

1,845 total trials

Why NCT05487040 stopped before completion

NCT05487040 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 15 participants, a relatively small participant target, below the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (75% lower).

The record links to 0 conditions, and to 1 intervention - of which PF-07321332 (nirmatrelvir)/ritonavir is the first listed.

NCT05487040 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT05487040 about?

NCT05487040 is a clinical study titled "A Study to Measure the Amount of Study Medicine in Blood in Adult Participants With COVID-19 and Severe Kidney Disease". The purpose of this study is to learn about the side effects (safety) of the study medicine PF-07321332 (nirmatrelvir)/ritonavir for the treatment of mild to moderate COVID-19 infection in adults with severe renal impairment. The study will also look at the amounts of study drug in your blood. There...

What is the current status of trial NCT05487040?

This trial is currently terminated. It is a Phase 1 study. The enrollment target is 15 participants. The study started on 2022-09-07. Estimated completion is 2023-07-11.

What interventions are being tested in trial NCT05487040?

The interventions under investigation include: PF-07321332 (nirmatrelvir)/ritonavir (DRUG).

Who is sponsoring clinical trial NCT05487040?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT05487040's enrollment target sits among peer trials

15 1798th of 2000 higher than 157 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT01889381 · 15 participants · Phase 2

    Human Craniomaxillofacial Allotransplantation

  • NCT02530073 · 15 participants · NA

    Trial of Fetoscopic Endoluminal Tracheal Occlusion (FETO) for CDH

  • NCT02535936 · 15 participants · NA

    Cortical Plasticity in Spastic Diplegia After Selective Dorsal Rhizotomy

  • NCT02918474 · 15 participants · NA

    Decision Making Tool in Supporting Decision Making in Contralateral Prophylactic Mastectomy in Patients With Newly Diagnosed Breast Cancer

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT05487040, the US trial registry maintained by the National Library of Medicine. NCT05487040 (small enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.