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Completed No phase listed Observational

Pyruvate Kinase Deficiency Global Longitudinal Registry Substudy of Protocol AG348-C-008

ClinicalTrials.gov ID: NCT04995315

Public ClinicalTrials.gov record NCT04995315. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 11:49 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Pyruvate Kinase Deficiency Global Longitudinal Registry Substudy of Protocol AG348-C-008: Cognition in Participants With Pyruvate Kinase Deficiency

Study identification

NCT ID
NCT04995315
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Agios Pharmaceuticals, Inc.
Industry
Enrollment
13 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jul 1, 2021
Primary completion
Sep 21, 2023
Completion
Sep 21, 2023
Last update posted
Oct 15, 2023

2021 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Massachusetts General Hospital Boston Massachusetts 02114

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04995315, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 15, 2023 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04995315 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →