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Trial · NCT06276504

Pembrolizumab in Progressive Multifocal Leukoencephalopathy (PML) in Immunocompromised Patients Without HIV Infection

NCT06276504, Phase 2, Phase 3, Not yet recruiting, Assistance Publique - Hôpitaux de Paris

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Pembrolizumab in Progressive Multifocal Leukoencephalopathy (PML) in Immunocompromised Patients Without HIV Infection. Trials, record NCT06276504. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT06276504

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Trial

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

Title
Pembrolizumab in Progressive Multifocal Leukoencephalopathy (PML) in Immunocompromised Patients Without HIV Infection
NCT number
NCT06276504
Status
Not yet recruiting
Phases
Phase 2, Phase 3
Enrollment
33 participants, estimated
Lead sponsor
Assistance Publique - Hôpitaux de Paris
Conditions
Progressive Multifocal Leukoencephalopathy
Interventions
Pembrolizumab, 25 mg/ml solution for intravenous (IV) injection
First posted
2024-02-26
Last updated
2024-02-26

Source ClinicalTrials.gov

Registered outcomes11

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

ListOutcomeTime frameDescription
PrimaryNegativation of JCV viral load in the CSF as assessed by PCR: at least one JCV PCR in the CSF negative in the Day 0 to Month 3 periodAt baseline (Day 0), 1 month, 2 months and 3 months
SecondaryNegativation of JCV PCR viral load in the CSF: cumulative incidence of negative JCV viral load measures by PCR in CSF, with death as competing eventAt baseline (Day 0), 1 month, 2 months and 3 months
SecondaryEvolution of the JCV viral load in the CSF (repeated measures JCV PCR in CSF)At baseline (Day 0), 1 month, 2 months and 3 months
SecondaryRepositivation of JCV PCR: at least a positive result following at least a negative resultAt baseline (Day 0), 1 month, 2 months and 3 months
SecondaryEvolution of National Institutes of Health Stroke Scale (NIHSS) scoreAt baseline (Day 0), 1 month, 2 months, 3 months, 6 months, and 12 monthsRepeated measures of neurological status
SecondaryEvolution of 6-item Modified Rankin Scale score (includes death as most severe state)At baseline (Day 0), 1 month, 2 months, 3 months, 6 months, and 12 monthsRepeated measures of degree of disability or dependence in the daily activities in neurological conditions
SecondaryEvolution of Glasgow Outcome Scale Extended (GOS-E) scoreAt baseline (Day 0), 1 month, 2 months, 3 months, 6 months, and 12 monthsRepeated measures of neurological outcome and degree of disability in neurological conditions
SecondaryRelapse or progressionFrom baseline to end of participation, a maximum of 12 monthsAdjudication by a dedicated committee ; based on clinical evolution, JCV PCR in CSF, brain MRI
SecondaryDeath (and date of death)From baseline to end of participation, a maximum of 12 months
SecondaryCause specific death: death related to PMLFrom baseline to end of participation, a maximum of 12 monthsAdjudication by a dedicated committee

Outcomes0

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

None in this release.

Results by group0

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

None in this release.

Participant flow0

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

None in this release.

Adverse events0

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

None in this release.

Adverse event totals0

The totals the trial posted for each group.

None in this release.

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

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/NCT06276504

GET https://conductscience.org/api/trials/v1/NCT06276504/registered