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Asparaginase

  • Biologic
  • Given by a clinician
  • Identity checked
  • Sources last checked 2026-09-04

This page shows what was measured, who it was measured in, and what that does not settle.

What Asparaginase does in the body

Acute lymphoblastic leukemia (ALL) and lymphoblastic lymphoma

From the FDA-approved label: Asparaginase erwinia chrysanthemi (recombinant)-rywn is an enzyme that catalyzes the conversion of the amino acid L-asparagine into aspartic acid and ammonia. The pharmacological effect of RYLAZE is based on the killing of leukemic cells due to depletion of plasma asparagine. Leukemic cells with low expression of asparagine synthetase have a reduced ability to synthesize asparagine, and therefore depend on an exogenous source of asparagine for survival.

What happened in people

RNAWiki has not yet published a reviewed conclusion for this use.

A fixed RNAWiki sentence

Where this came from

Wording RNAWiki always uses, not a finding about this substance.

No reviewed claim names a result for any goal on this record.

No source is stored against this line.

The limit that matters most

Not recorded.

Where it acts
Not recorded.
Kind of result
No result is published, so no kind of result applies yet
Supervision
Professional supervision is normally required. A regulator classifies this substance in a way that restricts how it is supplied.
Where each sentence above came from

No recorded sentence describes the change this makes in a way that stands on its own. The page opens with what it is taken for instead, and the recorded explanation follows below.

Shown as the opening line on this page.

No statement of the main limit is recorded.

The four opening statements run to 91 words.

Words this page uses

Four words worth knowing first

Chosen from what this page shows, with each one explained before the word it depends on.

Biomarker

A biomarker is a number from a test that stands in for something about health.

A picture of it, and where the picture fails

A biomarker is like a fuel gauge.

Where that stops being true. A gauge is wired to the tank. Many biomarkers are only loosely tied to health.

What people get wrong. A better number is read as a better life. Several medicines improved a number and helped nobody.

A measurable indicator used as a substitute for a clinical outcome of interest.

Placebo

A placebo is a dummy treatment given so the real one can be compared with it.

A picture of it, and where the picture fails

A placebo is like a blank control in an experiment.

Where that stops being true. A blank does nothing. People given a placebo often do get better.

What people get wrong. A placebo effect is read as imaginary. The improvement is measured and real.

An inactive intervention matched in appearance to the test intervention, used to control for non-specific effects.

Comparator

A comparator is whatever the treatment was measured against.

A picture of it, and where the picture fails

It is like the other runner in a race.

Where that stops being true. A race has one winner. A study can show both arms improved.

What people get wrong. Results are read without asking what the other group got. Beating nothing is not beating a treatment.

The control condition against which the experimental intervention is assessed.

What happened in peopleRead from sources, not yet reviewed

What happened in people

Each card is one study: the exact question it asked, who was in it, and whether it showed what it set out to show.

Disease Free Survival (DFS) in Average Risk (AR) Patients Based on the Methotrexate Dose Randomization

The study did not show it

Who was studied
NCT01190930
How many people
9350
Study design
Phase 3
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route. Intramuscular

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Disease free survival (DFS) in randomization eligible patients with higher risk features (SR-High) or standard risk average (SR-Avg) B-ALL patients based on randomization with addition of blinatumomab

The study did not show it

Who was studied
NCT03914625
How many people
6720
Study design
Phase 3
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route. Intramuscular

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Event-free survival

The study did not show it

Who was studied
NCT01117441
How many people
6136
Study design
Phase 3
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route. Intramuscular

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Post-induction 5-year event-free survival (EFS)

The study did not show it

Who was studied
NCT03959085
How many people
5951
Study design
Phase 3
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route. Intramuscular

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

DFS of Non-DS HR Post-induction Patients Receiving Intrathecal (IT) Methotrexate (MTX) Compared With Patients Receiving Intrathecal Triple Therapy (ITT) on a Modified Berlin-Frankfurt-Munster (MBFM) Interim Maintenance High-dose Methotrexate Backbone

The study did not show it

Who was studied
NCT02883049
How many people
5949
Study design
Phase 3
Compared against
Not recorded for this study
Kind of result
A number that stands in for health
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route. Intramuscular

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Event-free Survival (EFS) for SR-Average ALL Patients

The study did not show it

Who was studied
NCT00103285
How many people
5377
Study design
Phase 3
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

What this does not prove. A study that did not show an effect does not show that no effect exists anywhere.

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

How far it carries. This study is recorded from the curated record, not from the registry match.

Form and route. Intramuscular

Interval reported. Not recorded in this summary

Written into the record, not signed off as a reviewed claim.

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot
What we know
RNAWiki holds 6 written-up human studies for this substance, each with the question it asked.
How we know it
Each card names the study, the number of people and what the study set out to measure.
What this does not prove
These summaries were written by a person and have not been signed off as reviewed claims.
Why it matters
A study that failed is as informative as one that worked, and both are here.
What we still do not know
No reviewed claim exists, so no exact population, effect size or interval is published yet.

What is missing or unclearRead from sources, not yet reviewed

Were people like you studied?

RNAWiki cannot tell whether a study fits you. It can show who was in it, and where the result stops carrying.

Who was studied

People similar to this profile were included.

  • RYLAZE is indicated as a component of a multi-agent chemotherapeutic regimen for the treatment of acute lymphoblastic leukemia (ALL) and lymphoblastic lymphoma (LBL) in adult and pediatric patients 1 month or older who have developed hypersensitivity to E. coli -derived asparaginase.

Who is missing from the studies

  • Which groups were under-represented in the studies has not been recorded for this substance. Pregnancy, breastfeeding, children, older adults, and people with liver or kidney conditions are commonly excluded from trials; nothing here says whether they were.

What the label states about particular groups

  • On pediatric, the label states: “The safety and effectiveness of RYLAZE have not been established in pediatric patients younger than 1 month of age.”

    US prescribing information · 857e53aa-1098-4dad-b654-0276cdd43e03 · read 2026-08-30

  • On older people, the label states: “Clinical studies of RYLAZE did not include sufficient numbers of patients 65 years of age and older to determine whether they respond differently from younger patients.”

    US prescribing information · 857e53aa-1098-4dad-b654-0276cdd43e03 · read 2026-08-30

  • On people who are pregnant, the label states: “Risk Summary Based on findings from animal reproduction studies, RYLAZE can cause fetal harm when administered to a pregnant woman.”

    US prescribing information · 857e53aa-1098-4dad-b654-0276cdd43e03 · read 2026-08-30

  • On people who are breastfeeding, the label states: “Risk Summary There are no data on the presence of asparaginase erwinia chrysanthemi (recombinant)-rywn in human milk, the effects on the breastfed child, or the effects on milk production.”

    US prescribing information · 857e53aa-1098-4dad-b654-0276cdd43e03 · read 2026-08-30

Where the result stopped carrying

  • This is a scope explorer, not a diagnosis engine.
  • It shows who was studied so you can see whether people similar to you were included.

RNAWiki cannot tell whether a study fits you. It can show who was in it.

What it would be like to takeRead from sources, not yet reviewed

Why it might seem to do nothing

A real effect and a noticed effect are different things. These are the recorded reasons the two come apart.

It was studied in different people

The people in the studies were not much like the reader.

On this record: Which groups were under-represented in the studies has not been recorded for this substance. Pregnancy, breastfeeding, children, older adults, and people with liver or kidney conditions are commonly excluded from trials; nothing here says whether they were.

The evidence may simply be wrong

Small early studies often do not hold up.

On this record: RNAWiki has not yet published a reviewed conclusion for this use.

Other reasons RNAWiki checked and found nothing for (11)
It was studied for a different goal
The studies measured something else entirely. Nothing in this record points to this reason.
A different form was studied
The studied form is not the form on the shelf. Nothing in this record points to this reason.
There was nothing to correct
Where a level is already normal, topping it up may change nothing. Nothing in this record points to this reason.
Something else had to happen too
In the studies it was paired with training, a diet or another treatment. Nothing in this record points to this reason.
The change is too small to feel
A real change can still sit below what a person notices. Nothing in this record points to this reason.
Day-to-day swing hides it
Sleep, food, stress and time of day move most numbers more than this would. Nothing in this record points to this reason.
Not enough time yet
The studies ran longer than the person has waited. Nothing in this record points to this reason.
It was not taken as studied
Missed days change the result, and studies count them. Nothing in this record points to this reason.
Something else changed at the same time
Two changes at once cannot be told apart afterwards. Nothing in this record points to this reason.
The product may not be what it says
Contents of a sold product are not always what the label states. Nothing in this record points to this reason.
No recorded reason
RNAWiki has nothing stored that would explain it. Nothing in this record points to this reason.

None of these is a reason to take more. Taking more is not a step this page ever suggests.

What it would be like to takeRead from sources, not yet reviewed

What taking it involves

The recorded facts about getting hold of it and using it. Nothing here is a suggestion about what you should do.

How it is supplied

Given by a clinician

Quoted from a source

Where this came from

Copied from a source RNAWiki stored, with the source named.

Read from the recorded approval status.

No source is stored against this line.

Form and route

Intramuscular

Source-linked record

Where this came from

A person wrote this into the record with the study named beside it. No reviewer has signed it off.

The form and route recorded on this substance.

No source is stored against this line.

Who oversees it

Professional supervision is normally required. A regulator classifies this substance in a way that restricts how it is supplied.

Quoted from a source

Where this came from

Copied from a source RNAWiki stored, with the source named.

Suppression classes recorded: S1, S4.

No source is stored against this line.

What is in the pack

Sold as vial, injection, given by the intramuscular route.

Source-linked record

Where this came from

A person wrote this into the record with the study named beside it. No reviewer has signed it off.

Recorded notes on how this is sold and what that means for what is in the pack.

No source is stored against this line.

Where it is registered

Regulatory records are listed in the technical disclosure at the foot of this page.

Counted from records

Where this came from

A count of rows RNAWiki holds. It describes our records, not your body.

Register entries are stored per jurisdiction and shown with their dates.

No source is stored against this line.

Why people stop

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

No record of why people stopped taking it is stored for this substance.

No source is stored against this line.

What it would be like to takeNothing found in the sources checked

What can go wrong

Sorted by where each line came from. A regulator's label and a report somebody sent in are not the same kind of fact.

Nothing found in the sources checked

No harm is recorded against this substance in the sources RNAWiki checked. Finding nothing is not the same as showing there is nothing.

The sources listed were searched and held nothing. That is not the same as nothing existing.

Over a long time. No completed tested study window is recorded, so long-term effects are not established by the registry record.

Groups the studies covered thinly. Which groups were under-represented in the studies has not been recorded for this substance. Pregnancy, breastfeeding, children, older adults, and people with liver or kidney conditions are commonly excluded from trials; nothing here says whether they were.

What is missing or unclearRead from sources, not yet reviewed

Does the exact form matter?

Evidence belongs to the exact thing that was tested. A different salt, a different mixture or a different preparation is a different question.

The form that was studied

Intramuscular

Source-linked record

Where this came from

A person wrote this into the record with the study named beside it. No reviewer has signed it off.

The form used in the studies cited on this page.

No source is stored against this line.

What is sold

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

Nothing further is recorded about which forms are sold.

No source is stored against this line.

What is recorded as being sold

  • 5 products list this as an active ingredient in the United States drug directory. 5 of them contain it and nothing else.

    FDA National Drug Code directory · 49187-0780 · read 2026-08-29

  • They are sold as injection, powder and solution, taken intramuscular.

    FDA National Drug Code directory · 49187-0780 · read 2026-08-29

  • The regulator's established pharmacologic class for it is asparaginase [cs] and asparagine-specific enzyme [epc].

    FDA National Drug Code directory · 49187-0780 · read 2026-08-29

  • 1 published label names it as an active ingredient. 1 of them describe this substance alone, which is where its own label text on this page comes from.

    US prescribing information · 857e53aa-1098-4dad-b654-0276cdd43e03 · read 2026-08-29

  • Those labels are classed as human prescription drug.

    US prescribing information · 857e53aa-1098-4dad-b654-0276cdd43e03 · read 2026-08-29

  • Rylaze is intramuscular at 3 DOSAGE FORMS AND STRENGTHS Injection: 10 mg/0.5 mL clear to opalescent, colorless to slightly yellow solution in a single-dose vial., recorded as fda label in effect 2025-07-01 in the United States.

    US prescribing information · 857e53aa-1098-4dad-b654-0276cdd43e03 · read 2026-08-30

Evidence carries across two names for one substance. It does not carry across a salt, a mirror form or a mixture.

What it would be like to takeRead from sources, not yet reviewed

What you could measure

This one is decided with a clinician, so this section holds questions to ask rather than a plan to run.

Self-experiment planning is not offered for a prescription or clinician-supervised medicine. The questions below are for a clinician or pharmacist.

Questions worth asking

  • Which of the trials of Asparaginase studied people like me?
  • What was measured, and for how long?
  • Was the result a laboratory value or a health outcome?
  • What would we watch for, and when would we stop?

Tracking can show whether something changed for you. It cannot show what caused it.

RNAWiki records evidence. It does not say whether this substance is right for you.

What is missing or unclearRead from sources, not yet reviewed

What nobody knows yet

Open questions, each with why it is open and what would close it.

How much did people take in the studies?

The sources RNAWiki checked hold nothing for this field.

Why it matters. A result belongs to an amount. Without the amount the result floats free.

What would answer it

A stored source that records it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Missing populations

Which groups were under-represented in the studies has not been recorded.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Missing long-term data

No completed tested study window is recorded.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

No reviewed conclusion

RNAWiki has not yet published a reviewed conclusion for this use.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Missing interaction studies

No interaction was found in the registers checked. Not finding one is not the same as showing there is none.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Formulation uncertainty

Several salts, forms or products of Asparaginase are recorded. Results from one form may not transfer to another.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Mechanism not reviewed

No reviewed mechanism story exists for this substance.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

What happened in peopleNothing found in the sources checked

Check any of this yourself

Every line above traced back to the study it came from. This is the technical layer, and the vocabulary changes here.

Nothing found in the sources checked

No traced study record is stored for this substance.

The sources listed were searched and held nothing. That is not the same as nothing existing.

Checks this page had to pass

  • Passed

    Identity resolved

    no open identity hold

  • Passed

    No unresolved merge across substance families

    no quarantine open

  • Passed

    Every public sentence names a source

    The opening statement carries the origin: Written into the record, not signed off.

  • Not passed

    Trial roles classified for highlighted evidence

    No registered study is classified as testing this substance.

  • Passed

    No internal keys in reader text

    enforced by the copy-contract test over the rendered page

  • Passed

    Safety mode resolved

    Suppression classes recorded: S1, S4.

  • Passed

    Canonical metadata present

    slug and display name present

What is missing or unclearRead from sources, not yet reviewed

How this medicine reached us

Kept near the foot of the page. A historical event moves up only when it changes something about this substance today.

What the approval register records

  • 1 approved application covers products containing this substance. The earliest was BLA101063, approved 19780110 to MERCK.

    Drugs@FDA application register · BLA101063 · read 2026-08-29

  • Marketing status on the register: prescription.

    Drugs@FDA application register · BLA101063 · read 2026-08-29

  • The earliest marketing start date recorded for a listed product is 20160509.

    FDA National Drug Code directory · 49187-0780 · read 2026-08-29

What is missing or unclearRead from sources, not yet reviewed

What to learn next

Ordered by what would most change how you read this page, starting with what is easiest to misunderstand.

This order is fixed in code and does not count clicks or time on the page.

What is not here

9 questions this page could not answer

These sections were prepared and left out because there was nothing to put in them. They are listed rather than hidden, so the gaps in this record are visible.

  • What was measured, goal by goal — found nothing in the sources checked.
  • How close this is to real life — found nothing in the sources checked.
  • The path through the body — found nothing in the sources checked.
  • Felt, measured, or meaningful — found nothing in the sources checked.
  • How long anything takes — found nothing in the sources checked.
  • What it may clash with — found nothing in the sources checked.
  • Other ways to the same goal — found nothing in the sources checked.
  • Claims that go past the evidence — found nothing in the sources checked.
  • What changed on this page — found nothing in the sources checked.

The record as stored

The full record, for auditing

Everything above is built from what is below. This layer keeps the technical vocabulary, record identifiers and every stored row, so a reader who wants to check the page can.

Recorded evidence blocks (8)

On the Asparaginase label: indicated for what?


"RYLAZE is indicated as a component of a multi-agent chemotherapeutic regimen for the treatment of acute lymphoblastic leukemia (ALL) and lymphoblastic lymphoma (LBL) in adult and pediatric patients 1 month or older who have developed hypersensitivity to E. coli -derived asparaginase. RYLAZE is an asparagine specific…": indications and usage on Asparaginase's label. DailyMed label · 857e53aa-1098-4dad-b654-0276cdd43e03 · 2025-07-01

96 registered trials of Asparaginase — at which phases?


Registered studies posting no result
74 of 96

96 registered studies of Asparaginase: 42 phase3, 38 phase2, 10 phase1, 7 na, 7 phase4, 1 na or unstated. CLINICALTRIALS_SNAPSHOT · 2026-09-01

469 with a PubMed record

Show the evidence
  • phase3
    42
  • phase2
    38
  • phase1
    10
  • na
    7
  • phase4
    7
  • na or unstated
    1
6 more recorded rows
  • completed
    62
  • unknown
    10
  • recruiting
    8
  • active not recruiting
    7
  • terminated
    7
  • withdrawn
    2

recorded 2026-09-01 · last checked 2026-09-04

8 of Asparaginase's trials stopped: safety, accrual/recruitment, other?


safety (1), accrual/recruitment (4) and other (3): Asparaginase's stop wording, clustered. CLINICALTRIALS_SNAPSHOT · 2026-09-01

"Terminated by IRB for continuing review"; 8 of 96 registered studies

Show the evidence

Trial

  • NCT00165087
    terminated; "Terminated by IRB for continuing review"
  • NCT00262925
    terminated; "slow accrual"
  • NCT00275106
    terminated; "Withdrawn due to an excess of toxic deaths"
  • NCT00439296
    terminated; "The study was stopped due to poor accrual and lack of funding."
  • NCT00928200
    terminated; "Study was terminated due to lack of accrual."
  • NCT02538926
    withdrawn; "Drugs unavailable"
2 further recorded trials
  • NCT03156790
    terminated; "Early termination"
  • NCT03668392
    terminated; "low enrollment rate"

recorded 2026-09-01 · last checked 2026-09-04

Which running trial of Asparaginase could settle lifespan?


NCT02101853 measures Disease Free Survival (DFS) of High-risk (HR) and Intermediate-risk (IR) Relapse Patients, reading out 2026-09-16.

6 open trials; n 669; "Blinatumomab in Treating Younger Patients With Relapsed B-cell Acute Lymphoblastic Leukemia"

Show the evidence

Trial

  • NCT02101853
    "Blinatumomab in Treating Younger Patients With Relapsed B-cell Acute Lymphoblastic Leukemia"; n 669; "Disease Free Survival (DFS) of High-risk (HR) and Intermediate-risk (IR) Relapse Patients"; 2026-09-16
  • NCT02521493
    "Response-Based Chemotherapy in Treating Newly Diagnosed Acute Myeloid Leukemia or Myelodysplastic Syndrome in Younger Patients With Down Syndrome"; n 280; "Event-free Survival (EFS)"; 2027-06-30
  • NCT03914625
    "A Study to Investigate Blinatumomab in Combination With Chemotherapy in Patients With Newly Diagnosed B-Lymphoblastic Leukemia"; n 6720; "Disease free survival (DFS) in randomization eligible patients with higher risk features (SR-High) or standard risk average (SR-Avg) B-ALL patients based on randomization with addition of blinatumomab"; 2027-09-30
  • NCT03117751
    "Total Therapy XVII for Newly Diagnosed Patients With Acute Lymphoblastic Leukemia and Lymphoma"; n 790; "Event-free survival of ALL patients (EFS)"; 2028-09-30
  • NCT04293562
    "A Study to Compare Standard Chemotherapy to Therapy With CPX-351 and/or Gilteritinib for Patients With Newly Diagnosed AML With or Without FLT3 Mutations"; n 1186; "Event-free survival (EFS)"; 2029-06-30
  • NCT06882057
    "Newly-diagnosed Low Risk Pediatric B-cell ALL Protocol"; n 3000; "Compare 3-year event-free survival (EFS) between patients who receive Blina-14 intensification with this historical controls from CCCG-ALL2015 and CCCG-ALL2000"; 2033-06

Which 35 trials of Asparaginase posted no result?


Posted no result
35 of 35 completed trials
Registrations
NCT00002691, NCT00199069, NCT00018954, NCT00002471, NCT00002665 and NCT01230983, and 29 more
Completion dates
oldest 2000-06; newest 2024-08-01
Show the evidence

Trial

  • NCT00002691
    2000-06
  • NCT00199069
    2001-05
  • NCT00018954
    2002-10
  • NCT00002471
    2003-01
  • NCT00002665
    2003-12
  • NCT01230983
    2004-10
14 further recorded trials
  • NCT00003436
    2005-12
  • NCT00199056
    2005-12
  • NCT00022126
    2006-04
  • NCT00613457
    2006-07
  • NCT00002744
    2007-03
  • NCT00002785
    2007-03
  • NCT00003783
    2007-03
  • NCT00004056
    2007-03
  • NCT00494897
    2007-12
  • NCT00003671
    2009-02
  • NCT00199004
    2009-03
  • NCT00015873
    2009-12
  • NCT00003700
    2010-01
  • NCT00165178
    2011-05

At the median, Asparaginase's trials enrolled 225 people — anything larger?


Median enrolment
225
Largest enrolment
6720
Registered trials counted
89

What do 4399 spontaneous reports say about Asparaginase — and not say?


These are reports people sent to a regulator. They do not show the medicine caused the reaction. Nobody counted how many people took the medicine and reported nothing. The same event can be reported more than once, and many reports are incomplete. News coverage, lawsuits and new warnings change how often people report. A count is not a rate and not a risk.

Asparaginase appears in spontaneous reports to regulators. Across the 10 most-reported reaction terms, 4399 reaction mentions were counted: febrile neutropenia 1152; pyrexia 530; febrile bone marrow aplasia 518; hypersensitivity 435. FAERS via Open Targets · CHEMBL2108989 · 2026-06-24

Show the evidence
  • febrile neutropenia
    1152
  • pyrexia
    530
  • febrile bone marrow aplasia
    518
  • hypersensitivity
    435
  • neutropenia
    397
  • sepsis
    324
4 more recorded rows
  • hypertriglyceridaemia
    318
  • hypofibrinogenaemia
    247
  • pancreatitis
    247
  • posterior reversible encephalopathy syndrome
    231

recorded 2026-06-24 · last checked 2026-09-04

Which 10 reactions does Asparaginase's label not list?


febrile bone marrow aplasia, febrile neutropenia and hypersensitivity and 7 more reported for Asparaginase, absent from its label. FAERS via Open Targets · CHEMBL2108989 · 2026-06-24

2 label terms; 10 reported and unlisted; 857e53aa-1098-4dad-b654-0276cdd43e03

Show the evidence
  • febrile bone marrow aplasia
    count not stated
  • febrile neutropenia
    count not stated
  • hypersensitivity
    count not stated
  • hypertriglyceridaemia
    count not stated
  • hypofibrinogenaemia
    count not stated
  • neutropenia
    count not stated
4 more recorded rows
  • pancreatitis
    count not stated
  • posterior reversible encephalopathy syndrome
    count not stated
  • pyrexia
    count not stated
  • sepsis
    count not stated

recorded 2026-06-24 · last checked 2026-09-04

Where it is registered
Identifiers, relations and other names

The exact record

ChEMBL id
CHEMBL2108989
CAS number
9015-68-3
RxCUI
1156
British name
Colaspase
Also called
E. coli asparaginase, E. coli l-asparaginase, Escherichia coli l-asparaginase, Kidrolase, L-asparagine amidohydrolase, asp, erwinia asparaginase, eryaspase, graspa, l-asa, l-asp, native e. coli asparaginase
Trade name
Elspar, Spectrila, Rylaze, Elspar / Rylaze
Japanese name
L-asparaginase
Development code
NSC-109229
Salt form
ASPARAGINASE ERWINIA CHRYSANTHEMI (RECOMBINANT)-RYWN
Sources (5)

Sources

ChEMBL 37 — CC BY-SA 3.0 Unported · ChEMBL ATC CC BY-SA · ClinicalTrials.gov — US Government work · Open Targets 26.06 — CC0 · mixed register set; per-register licences in docs/specs/corpus-20k-sources.md · openFDA / DailyMed — US Government work

How these records are assembled · Which registers were checked

Index-quality checks
  • identity passed: no open identity hold
  • required summary fields resolved: 4 required field(s) not terminal: Why people use it, Best-supported result, Biggest unanswered question, Human evidence
  • public claims reviewed: 0 reviewed claim(s); drafts are never rendered
  • source coverage passed: 5 source rows
  • no critical contamination: no quarantine open
  • canonical metadata passed: slug and display name present
  • no raw internal fields: enforced by the copy-contract test over the rendered page

This is a record of evidence. It is not medical advice, and it does not say this substance suits you. Nothing here says any substance on RNAWiki is appropriate for a child.