ConductScience.org, home

Trial · NCT06016556

A Study of COVID-19 Patients Receiving Treatment With Nirmatrelvir; Ritonavir in the Kingdom of Saudi Arabia

NCT06016556, Completed, Pfizer; results first posted 2025-04-29

3 sourcestrials-2026-11-12-0.5.0

Download JSON
Cite this record

ConductScience Library. A Study of COVID-19 Patients Receiving Treatment With Nirmatrelvir; Ritonavir in the Kingdom of Saudi Arabia. Trials, record NCT06016556. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT06016556

On this page

Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
A Study of COVID-19 Patients Receiving Treatment With Nirmatrelvir; Ritonavir in the Kingdom of Saudi Arabia
NCT number
NCT06016556
Status
Completed
Enrollment
250 participants, actual
Lead sponsor
Pfizer
Conditions
Covid-19
Interventions
nirmatrelvir, ritonavir
First posted
2023-08-29
Last updated
2025-06-05
Results first posted
2025-04-29

Source ClinicalTrials.gov

Registered outcomes40

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryNumber of Participants Classified According to Education Level at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Education level classification: no formal education, primary school, secondary school, undergraduate university degree, master's degree and Doctor of Philosophy (PhD) or doctorate. Index date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).
PrimaryNumber of Participants Classified According to Employment Status at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Employment status classification: full-time employment, part-time employment, homemaker, retired, student, disabled/too ill to work, and unemployed. Index date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).
PrimaryHeight at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this studyIndex date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).
PrimaryWeight at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this studyIndex date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).
PrimaryBody Mass Index (BMI) at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
BMI was calculated based on the reported weight and height in the unit of kilograms over squared meters (kg/m\^2). Index date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).
PrimaryNumber of Participants Classified According to Smoking Status at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Smoking status classification: current smoker, former smoker and never smoker. Index date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).
PrimaryNumber of Participants Who Had at Least 1 Pre-existing Comorbidity at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this studyIndex date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).
PrimaryNumber of Participants Who Had at Least 1 Concomitant Medication for Comorbidities at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this studyIndex date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).
PrimaryNumber of Participants With COVID-19 Infection During the Last 6 Months Prior to Index DateDuring 6 months prior to index date, information obtained at index date; retrospective data was evaluated during approximately 6 months of this studyIndex date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).
PrimaryDuration Between Last COVID-19 Infection and Index DateFrom 6 months prior to index date up to index date, information obtained at index date; retrospective data was evaluated during approximately 6 months of this study
Duration (in months) between COVID-19 infection in last 6 months prior to index date and index date was reported in this outcome measure. Index date was defined as the date of nirmatrelvir, ritonavir (PAXLOVIDTM) treatment prescription, which could be any day between 1-Apr-2022 to 30-Jun-2023 (15-month look back period).

Outcomes40

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYNumber of Participants Classified According to Education Level at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Analysis population included all eligible participants whose data were included and observed in this study. Here, Overall Number of Participants Analyzed signifies those number of participants who had non-missing values and were evaluable for this outcome measure.
ParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYNumber of Participants Classified According to Employment Status at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Analysis population included all eligible participants whose data were included and observed in this study. Here, Overall Number of Participants Analyzed signifies those number of participants who had non-missing values and were evaluable for this outcome measure.
ParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYHeight at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Analysis population included all eligible participants whose data were included and observed in this study. Here, ''Overall Number of Participants Analyzed'' signifies number of participants who had non-missing values and were evaluable for this outcome measure.
MetersMEAN
PRIMARYWeight at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Analysis population included all eligible participants whose data were included and observed in this study. Here, ''Overall Number of Participants Analyzed'' signifies number of participants who had non-missing values and evaluable for this outcome measure.
KilogramsMEAN
PRIMARYBody Mass Index (BMI) at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Analysis population included all eligible participants whose data were included and observed in this study. Here, ''Overall Number of Participants Analyzed'' signifies number of participants who had non-missing values and evaluable for this outcome measure.
Kg/m^2MEAN
PRIMARYNumber of Participants Classified According to Smoking Status at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Analysis population included all eligible participants whose data were included and observed in this study. Here, Overall Number of Participants Analyzed signifies those number of participants who had non-missing values and were evaluable for this outcome measure.
ParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYNumber of Participants Who Had at Least 1 Pre-existing Comorbidity at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this studyAnalysis population included all eligible participants whose data were included and observed in this study.ParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYNumber of Participants Who Had at Least 1 Concomitant Medication for Comorbidities at Index DateAt index date; retrospective data was evaluated during approximately 6 months of this study
Analysis population included all eligible participants whose data were included and observed in this study. Here, Overall Number of Participants Analyzed signifies those number of participants who had non-missing values and were evaluable for this outcome measure.
ParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYNumber of Participants With COVID-19 Infection During the Last 6 Months Prior to Index DateDuring 6 months prior to index date, information obtained at index date; retrospective data was evaluated during approximately 6 months of this study
Analysis population included all eligible participants whose data were included and observed in this study. Here, Overall Number of Participants Analyzed signifies those number of participants who had non-missing values and were evaluable for this outcome measure.
ParticipantsCOUNT_OF_PARTICIPANTS
PRIMARYDuration Between Last COVID-19 Infection and Index DateFrom 6 months prior to index date up to index date, information obtained at index date; retrospective data was evaluated during approximately 6 months of this study
Analysis population included all eligible participants whose data were included and observed in this study. Here, ''Overall Number of Participants Analyzed'' signifies participants evaluable for this outcome measure.
MonthsMEAN

Results by group93

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Number of Participants Classified According to Education Level at Index DateAll ParticipantsNo formal education32Participants
Number of Participants Classified According to Education Level at Index DateAll ParticipantsPrimary school1Participants
Number of Participants Classified According to Education Level at Index DateAll ParticipantsSecondary school22Participants
Number of Participants Classified According to Education Level at Index DateAll ParticipantsUndergraduate university degree85Participants
Number of Participants Classified According to Education Level at Index DateAll ParticipantsMaster's degree0Participants
Number of Participants Classified According to Education Level at Index DateAll ParticipantsPhD or doctorate0Participants
Number of Participants Classified According to Employment Status at Index DateAll ParticipantsFull-time employment41Participants
Number of Participants Classified According to Employment Status at Index DateAll ParticipantsPart-time employment1Participants
Number of Participants Classified According to Employment Status at Index DateAll ParticipantsHomemaker10Participants
Number of Participants Classified According to Employment Status at Index DateAll ParticipantsRetired42Participants

Participant flow3

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDAll Participants248
Overall StudyCOMPLETEDAll Participants248
Overall StudyNOT COMPLETEDAll Participants0

Adverse events1

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

TypeEventOrgan systemGroupAffectedAt riskEvents
seriousDrug-Drug InteractionGeneral disordersAll Participants2248

Adverse event totals3

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityAll Participants0248
Total, other adverse eventsAll Participants0248
Total, serious adverse eventsAll Participants2248

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
42156669DERIVED

Source PubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT06016556

GET https://conductscience.org/api/trials/v1/NCT06016556/registered?page=2