Skip to content
Pharma Observatory a Scientist.com platform

Condition (MeSH)

Dihydropyrimidine Dehydrogenase Deficiency

ClinicalTrials.gov lists 3 trials for Dihydropyrimidine Dehydrogenase Deficiency or a narrower condition beneath it. National Human Genome Research Institute (NHGRI) has the most among industry and government lead sponsors, with 1.

MeSH D054067 Congenital / Hereditary / Neonatal C16 C18 Listed by Orphanet as a rare disease
Email me this page as a PDF

Search trials, drugs, companies and investigators, and follow each one to the others. Individual plan, $249/seat/mo. Card required.

Phase 2 Phase 2 1 Not applicable Not applicable 1 Observational Observational 1 Phase 2 Phase 2 1 Not applicable Not applicable 1 Observational Observational 1

Trials per phase

3 of the 3 trials are tagged with Dihydropyrimidine Dehydrogenase Deficiency itself; the rest are tagged with a narrower condition beneath it.

Get the Dihydropyrimidine Dehydrogenase Deficiency report as a PDF

The PDF carries up to 50 rows of each section, where the page shows the first few, with the sources listed. Enter a work email and confirm it from the message we send, and the report follows by email.

When did Dihydropyrimidine Dehydrogenase Deficiency trials start? (3)

Shown in this order: most recent first, 1990 onwards. 2026 is partial: trials registered with a 2026 start date so far, not a full year.

Trials over time, by phase

  • Phase 2
  • Not applicable
  • Observational

Top of scale: 1

2022: 1 trials (Not applicable 1) 2023: 1 trials (Observational 1) 2025: 1 trials (Phase 2 1)

Trials registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table's notes). The table below lists the same counts, most recent years first.

Trials started per year
Year Trials started
2025 1
2023 1
2022 1

No forecast is made for this condition: it averages 0.6 trial starts a year over the five years to September, under the 5 a year the method needs.

Recruitment duration, a model prediction: 2 trials still running at the 2026-10-09 snapshot, fewer than the 5 needed for a median. Source: ClinicalTrials.gov / AACT (CTTI), public domain.

What phase are Dihydropyrimidine Dehydrogenase Deficiency trials in? (3)

Shown in this order: phase order.

Show the trials by phase as a table
Trials by phase
Phase Trials
Phase 2 1
Not applicable 1
Observational 1

How many Dihydropyrimidine Dehydrogenase Deficiency trials are recruiting? (2)

Shown in this order: the order a trial moves through, from not yet recruiting to unknown.

Trials by recruitment status
Status Trials
Recruiting 2
Suspended 1

Status as registered on ClinicalTrials.gov. Each trial is counted once.

Which lead sponsors run the most Dihydropyrimidine Dehydrogenase Deficiency trials? (1)

Shown in this order: most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.

Lead sponsors
Sponsor Trials
National Human Genome Research Institute (NHGRI) 1

Which publications cover Dihydropyrimidine Dehydrogenase Deficiency? (1)

Shown in this order: major-topic papers first, then newest, then most linked to trials.

Publications
Publication Journal Year Major topic
Individualized Dosing of Fluoropyrimidine-Based Chemotherapy to Prevent Severe Fluoropyrimidine-Related Toxicity: What Are the Options? Clinical pharmacology and therapeutics 2021 Yes

Prevalence (3)

Shown in this order: jurisdiction, then disease name. Orphanet observation for the mapped ORPHA concept; the mapping relation column says whether that concept is exactly this condition or broader or narrower.

Prevalence
Orphanet disease Type Class Geography Jurisdiction Mapping relation
Dihydropyrimidine dehydrogenase deficiency Point prevalence Unknown Worldwide Not stated Unspecified
Dihydropyrimidine dehydrogenase deficiency Point prevalence Unknown Worldwide Not stated Exact
Dihydropyrimidine dehydrogenase deficiency Point prevalence Unknown Worldwide Not stated Exact

Rare-disease identity (2)

Shown in this order: exact, broader, narrower, other.

Rare-disease identity
Orphanet disease ORPHA code Relation Source
Dihydropyrimidine dehydrogenase deficiency 1675 Exact Orphanet Rare Disease Ontology (ORDO)
Dihydropyrimidine dehydrogenase deficiency 1675 Exact Orphadata Science knowledge files, Product 1

Not on this page

Not measured: delivery record.

Checked, with nothing recorded for this condition: serious adverse events in this condition's trials and sub-conditions in mesh.

Not computed for conditions with fewer than 10 trials: drugs tested.

Browse all condition evidence pages