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Allantoin

  • Dietary supplement
  • Prescription only
  • 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 Allantoin does in the body

temporarily protects and helps relieved chafed, chapped or cracked skin.

Why people take it. temporarily protects and helps relieved chafed, chapped or cracked skin.

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
Not usually supervised: sold as a supplement or food ingredient where recorded. That is a legal category, not a safety judgement.

What the registries record it as

  • The supplement label database classes it as non-nutrient/non-botanical, under the name Allantoin.

    NIH Dietary Supplement Label Database · 6864 · read 2026-08-29

  • 13 registered substances share the start of this name, which is why a search for it can return more than one thing.

    FDA substance registry · J120C6NTXH · read 2026-08-29

Where each sentence above came from

The use the label states, quoted from it. No plain-language version of this sentence has been written.

The use the label states, quoted from it. It is written for a clinician, not for a reader without medical training.

No statement of the main limit is recorded.

The four opening statements run to 33 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.

Formulation

A formulation is the exact made-up form a substance comes in.

A picture of it, and where the picture fails

It is like the difference between a whole bean and instant coffee.

Where that stops being true. Coffee tastes different. A formulation can change how much reaches the blood.

What people get wrong. Two products with the same name are assumed to behave the same. They often do not.

The specific composition and physical form of a product, including salt, excipients and release profile.

Enzyme

An enzyme is a protein that speeds up one chemical change.

A picture of it, and where the picture fails

An enzyme is like a machine on a production line doing one cut.

Where that stops being true. A machine is switched on and off by a person. Enzymes are controlled by the cell.

What people get wrong. Enzymes are thought to be used up. They are not; they work again and again.

A catalytic protein that lowers the activation energy of a specific reaction.

Receptor

A receptor is a part of a cell that a signal fits into.

A picture of it, and where the picture fails

A receptor is like a lock waiting for one key.

Where that stops being true. A lock either opens or does not. A receptor can be half-triggered, or worn out.

What people get wrong. Fitting a receptor is read as causing a benefit. It causes a step, and nothing more.

A protein that binds a specific ligand and converts that binding into a cellular response.

Pathway

A pathway is a chain of steps inside a cell, each one setting off the next.

A picture of it, and where the picture fails

A pathway is like a row of dominoes.

Where that stops being true. Dominoes fall one way. Pathways loop back and can switch themselves off.

What people get wrong. Changing one step is read as changing the outcome. Other steps often absorb it.

An ordered series of molecular interactions producing a defined cellular change.

What happened in peopleRead from sources, not yet reviewed

What was measured, goal by goal

One row for each goal a registered study measured something for. One column for each kind of thing that could be measured.

Registered studies list 7 outcome measures that RNAWiki could read. A registered study says what someone planned to measure. It does not say what they found. 0 of the matched studies tested this substance, and 0 posted a result.

There is no single score. A strong test result and a weak life result are different facts.

Goals down the side, kinds of measurement across the top. Each cell says what kind of thing was registered, not what was found.
GoalLife outcomeWhat a body can doHow a person feelsA test resultA step in the bodyHarmsHow longWho was studied
SleepNothing in the sources checkedNo registered study lists a life outcome for this goal.Nothing in the sources checkedNo registered study lists a performance measure for this goal.Waiting for a reviewer1 registered symptom measure.Nothing in the sources checkedNo registered study lists a test result for this goal.Nothing in the sources checkedNo registered study lists a body-step measure for this goal.Not recordedHarms were not a registered measure for this goal.Not recordedNo finished study window is recorded.Waiting for a reviewerWho was studied is listed further down the page.
PainNothing in the sources checkedNo registered study lists a life outcome for this goal.Nothing in the sources checkedNo registered study lists a performance measure for this goal.Waiting for a reviewer1 registered symptom measure.Nothing in the sources checkedNo registered study lists a test result for this goal.Nothing in the sources checkedNo registered study lists a body-step measure for this goal.Not recordedHarms were not a registered measure for this goal.Not recordedNo finished study window is recorded.Waiting for a reviewerWho was studied is listed further down the page.
MoodNothing in the sources checkedNo registered study lists a life outcome for this goal.Nothing in the sources checkedNo registered study lists a performance measure for this goal.Waiting for a reviewer1 registered symptom measure.Nothing in the sources checkedNo registered study lists a test result for this goal.Nothing in the sources checkedNo registered study lists a body-step measure for this goal.Not recordedHarms were not a registered measure for this goal.Not recordedNo finished study window is recorded.Waiting for a reviewerWho was studied is listed further down the page.
Which registered measures put each goal on this table
Sleep
sleep quality
Pain
pain measurement
Mood
state trait anxiety inventory

Sorted by fixed word lists, version v1. A name the rules do not recognise stays unsorted rather than moving to the nearest column.

What each mark on this table means
Nothing in the sources checked
No registered study lists a life outcome for this goal.
Waiting for a reviewer
1 registered symptom measure.
Not recorded
Harms were not a registered measure for this goal.

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.

Time to achieve recovery of both upper and lower GI function as measured by a composite endpoint of time to the first bowel movement and time to tolerate first solid food. This endpoint is referred to as GI2.

The study did not show it

Who was studied
NCT01863407
How many people
480
Study design
Phase 3
Compared against
Not recorded for this study
Kind of result
What a body can do day to day
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. Topical

Interval reported. Not recorded in this summary

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

  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Cardio-respiratory measures

The study did not show it

Who was studied
NCT05113914
How many people
420
Study design
Not applicable
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. Topical

Interval reported. Not recorded in this summary

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

  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Time of GSSS induced pH drop below 4.5

The study did not show it

Who was studied
NCT03578900
How many people
289
Study design
Phase 4
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. Topical

Interval reported. Not recorded in this summary

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

  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Number of Participants That Developed a Surgical Site Infection

The study did not show it

Who was studied
NCT03401749
How many people
203
Study design
Phase 4
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. Topical

Interval reported. Not recorded in this summary

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

  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Decreased pain score using the Premature Infant Pain Profile pain scoring tool

The study did not show it

Who was studied
NCT02214589
How many people
203
Study design
Not applicable
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. Topical

Interval reported. Not recorded in this summary

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

  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Time To Complete Target Wound Closure Within 3 Months

The study did not show it

Who was studied
NCT02384460
How many people
169
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. Topical

Interval reported. Not recorded in this summary

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

  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • NIH Dietary Supplement Label Database · a recorded source, not a stored snapshot
  • PubChem PUG-REST · 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 happened in peopleRead from sources, not yet reviewed

How close this is to real life

The top step is something a person would feel or care about. The bottom is a guess from software. Filled steps are where evidence exists for this substance.

  1. Living longer, or avoiding a major event No evidence recorded. Death, a heart attack, a stroke, a hospital stay.No registered study measures this.
  2. What a body can do day to day No evidence recorded. Walking, dressing, breathing, recovering.No registered study measures this.
  3. Measured performance No evidence recorded. How much was lifted, how far was run, how fast.No registered study measures this.
  4. Symptoms and quality of life Evidence recorded. Pain, tiredness, mood, sleep, as the person rated it.4 registered measures of this kind.
  5. A number that stands in for health No evidence recorded. Cholesterol, blood sugar, bone density. A stand-in, not the thing itself.No registered study measures this.
  6. A step measured inside a person Evidence recorded. Something measured in human tissue or human cells.A human record sits on the stored organism ladder.
  7. Animals Evidence recorded. Mice, rats, dogs. Useful for ideas, not proof about people.Stored records in Drosophila (fruit fly), Dog. A result in animals says what to test next. It does not say what happens in people.
  8. Cells in a dish Evidence recorded. Cells or chemistry on a bench, far from a whole body.Stored mechanism abstracts describe steps measured in cells or tissue.
  9. A guess from software No evidence recorded. Nobody measured it. RNAWiki never publishes one as a finding.RNAWiki stores no prediction for this record. Software can suggest a link. RNAWiki does not publish one as a finding.

Higher on these steps means closer to something a person would feel. It does not mean better done.

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

Felt, measured, or meaningful

Three different things that get called the same word. Registered studies measured all three, and mixing them is how a blood test becomes a health claim.

Felt

Things a person could notice without a test.

  • sleep quality
  • whoqol bref questionnaire taiwan version
  • pain measurement
  • state trait anxiety inventory

Measured

Things only a test, a scale or a device shows.

No registered study measured anything of this kind.

Meaningful

Things that change how a life goes, not only a number.

No registered study measured anything of this kind.

A registered study says what someone planned to measure. It does not say what they found. A number moving is not the same as a life going better. The two are shown apart here.

Felt, but not shown to help. A person notices a change. No study showed it leads anywhere good.

Measured, but not felt. A number moves. The person notices nothing. Both can be true.

Measured, but not shown to matter. A number moves in the good direction. Nobody showed that lives went better.

Matters, but takes years. The result that counts may take longer than anyone would keep watching.

Names that fit none of the three (3)
  • physician global assessment of severity
  • preterm infant skin microbiome
  • visual analog scale

These are harms, study-process measures, or names the rules did not recognise. They are shown rather than dropped.

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.

  • How to Apply:Our formula is designed to be gentle for the delicate eye area.Gently place the mask on the entire eye contour area, ensuring asmooth fit. The unique cut-out design helps protect your eyes. Ifany essence gets into the eyes, simply rinse with water. After removing the mask, gently massage anyremaining essence into the skin.

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.

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 for a different goal

The studies measured something else entirely.

On this record: Some registered studies measured things that match no goal on this page.

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.

A different form was studied

The studied form is not the form on the shelf.

On this record: This record is linked to 1 related forms. Evidence does not carry across all of them.

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 (9)
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

Prescription only

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

Topical

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

Not usually supervised: sold as a supplement or food ingredient where recorded. That is a legal category, not a safety judgement.

Quoted from a source

Where this came from

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

The identity record classes it as a supplement ingredient; no medicines register records an approval.

No source is stored against this line.

What is in the pack

Sold as gel, cream, tablet, soluble, oil, given by the topical, cutaneous, oral 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

Topical

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

  • 128 products list this as an active ingredient in the United States drug directory. 82 of them contain it and nothing else.

    FDA National Drug Code directory · 82876-504 · read 2026-08-29

  • They are sold as chewable gel, concentrate, cream, emulsion, gel and liquid, taken cutaneous, extracorporeal, oral and topical.

    FDA National Drug Code directory · 82876-504 · read 2026-08-29

  • 111 published labels name it as an active ingredient. 76 of them describe this substance alone, which is where its own label text on this page comes from.

    US prescribing information · a8c858b7-8ce5-40ef-a5f6-e60a9420721d · read 2026-08-29

  • Those labels are classed as human otc drug.

    US prescribing information · a8c858b7-8ce5-40ef-a5f6-e60a9420721d · read 2026-08-29

  • 11 marketed supplement labels list this ingredient, classed as botanical, other combinations and non-nutrient/non-botanical.

    NIH Dietary Supplement Label Database · 207474 · read 2026-08-29

  • Those labels carry all other and structure/function claims. A claim of that kind is written by the manufacturer and is not assessed by any regulator, so its presence says nothing about whether it is true.

    NIH Dietary Supplement Label Database · 207474 · read 2026-08-29

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

Names and forms linked to this record

  • Racemate of

    Allantoin

    Evidence on this page does not automatically apply to this one.

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.

A single-person plan is offered only as a structure for observing yourself. It never calculates an amount to take, and it cannot prove cause.

Questions worth asking

  • Which of the trials of Allantoin 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.

How fast does the body clear it?

The sources RNAWiki checked hold nothing for this field.

Why it matters. Without this, nothing on this page can say how long anything lasts.

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 Allantoin 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: Quoted from a stored source.

  • 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

    The identity record classes it as a supplement ingredient; no medicines register records an approval.

  • 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

  • The earliest marketing start date recorded for a listed product is 20090401.

    FDA National Drug Code directory · 82876-504 · 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

6 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.

  • The path through the body — 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)

What did Allantoin's largest trial (206 people) and its longest (3 years) measure?


206 people in Allantoin's largest registered study, 3 years in its longest registered window, measuring Blister/Erosion Reduction Based on Change in Body Surface Area (BSA) Coverage. ClinicalTrials.gov · 2026-09-01

15 na, 2 phase2, 1 phase1, 1 phase3; NCT01942577; 2016-09; no ageing endpoint recorded. Last human test completed 2025, NCT07626047.

Interpretation These counts include studies where Allantoin was a comparison treatment, a background treatment or an exposure in an observational study, and the longest window may be a planned end date. Trial roles have not yet been classified for this record.

Show the evidence
  • na
    15
  • phase2
    2
  • phase1
    1
  • phase3
    1
  • Last recorded human test NCT07626047
    2025-12-30

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

From Drosophila to human: where has Allantoin shown biomarker?


Drosophila: mechanism-only, dog: biomarker and human: mechanism-only (19): the rungs where Allantoin has a recorded finding. Europe PMC and ClinicalTrials.gov · organism ladder · 2026-09-01

Interpretation Blister/Erosion Reduction Based on Change in Body Surface Area (BSA) Coverage — the recorded outcome words.

Yeast C. elegans Drosophila mechanism-onlyMouse Rat Dog biomarkerNon-human primate Human mechanism-only
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  • Drosophila
    mechanism-only
  • dog
    biomarker
  • human NCT00825565
    mechanism-only; Blister/Erosion Reduction Based on Change in Body Surface Area (BSA) Coverage; 19

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

Could one person measure Allantoin's effect on physician global assessment of severity?


Physician global assessment of severity: measured in Allantoin's trials.

Interpretation physician global assessment of severity is the recorded endpoint.

Show the evidence

biomarkers

  • physician global assessment of severity; 2026-09-01
  • preterm infant skin microbiome; 2026-09-01
  • sleep quality; 2026-09-01
  • whoqol bref questionnaire taiwan version; 2026-09-01
  • pain measurement; 2026-09-01
  • visual analog scale; 2026-09-01
1 more recorded row
  • biomarkers
    state trait anxiety inventory; 2026-09-01
  • human trials at or under30
    2
  • Not recorded for this substance
    a recorded half-life
  • smallest human trial
    0; NCT01942577; NA; the smallest recorded human enrolment at or below 30; the registry states no direction of its result; WITHDRAWN

Which of pain measurement, physician global assessment of severity and preterm infant skin microbiome did Allantoin's trials measure?


pain measurement, physician global assessment of severity and preterm infant skin microbiome lead 7 outcome terms across Allantoin's trials. ClinicalTrials.gov · 2026-09-01

Interpretation whoqol bref questionnaire taiwan version, pain measurement, visual analog scale and state trait anxiety inventory follow.

Show the evidence
  • physician global assessment of severity
    1
  • preterm infant skin microbiome
    1
  • sleep quality
    1
  • whoqol bref questionnaire taiwan version
    1
  • pain measurement
    1
  • visual analog scale
    1
1 more recorded row
  • state trait anxiety inventory
    1

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

Which of Allantoin's 6 ongoing trials reports first?


6 registered trials of Allantoin are open; earliest completion 2025-08-30. ClinicalTrials.gov · 2026-09-01

GLOB-IAD Clinical Assessment; Richards-Campbell Sleep Scale; latest 2028-06-01

Show the evidence

Trial

  • NCT06370637
    "Testing a Novel Barrier Cream for Fecal Incontinence in an Ambulatory Population"; n 40; "GLOB-IAD Clinical Assessment"; 2027-11-01
  • NCT06752980
    "The Effect of Eye Mask and Earplugs on Sleep Quality and Delirium in Coronary Artery Bypass Graft Patients: A Randomized Controlled Study"; n 128; "Richards-Campbell Sleep Scale"; 2026-11-01
  • NCT07010718
    "Improving Sleep in a Psychiatric Hospital"; n 40; "Change in nighttime Sleep Quality as assessed by the Pittsburgh Sleep Quality Index (PSQI)"; 2028-06-01
  • NCT07039812
    "The Effect of Virtual Reality and Eye Mask During Dressing After CABG Surgery"; n 90; "Visual Analog Scale (VAS)"; 2025-08-30
  • NCT07517484
    "Light and Anesthesia"; n 66; "The dose of sedative medications"; 2026-06-30
  • NCT07768020
    "Effect of Eye Mask Use on Sleep Quality and Delirium After CABG Surgery"; n 100; "Postoperative Sleep Quality Assessed Using the Richards-Campbell Sleep Questionnaire"; 2026-12-30

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

Which 5 trials of Allantoin posted no result?


Posted no result
5 of 5 completed trials
Registrations
NCT02612636, NCT03215212, NCT03673384, NCT06010498 and NCT06545422
Completion dates
oldest 2017-05; newest 2024-03-01
Show the evidence

Trial

  • NCT02612636
    2017-05
  • NCT03215212
    2017-06-30
  • NCT03673384
    2017-07-30
  • NCT06010498
    2024-03-01
  • NCT06545422
    2024-03-01

At the median, Allantoin's trials enrolled 60 people — anything larger?


Median enrolment
60
Largest enrolment
206
Registered trials counted
19

What is recorded about Allantoin and autophagy?


"These findings highlight the key pathological effect of oxidative stress, mitochondrial dysfunction and impaired autophagy in PKAN and suggest a protective role of allantoin in iron deposition via dual regulation of mitochondrial dysfunction and compromised autophagy." — where Allantoin and autophagy appear together. Europe PMC · pathway abstract search · 2025-03-23

autophagy, NAD+, sirtuin, AMPK; PMID 40138891, 39728441, 38089953, 34760013

Show the evidence
  • autophagy PMID 40138891
    "These findings highlight the key pathological effect of oxidative stress, mitochondrial dysfunction and impaired autophagy in PKAN and suggest a protective role of allantoin in iron deposition via dual regulation of mitochondrial dysfunction and compromised autophagy."
  • NAD+ PMID 39728441
    "Additionally, we employed qPCR, immunoblotting, and enzyme activity assays to assess the expression and activity of xanthine oxidoreductase, the rate-limiting enzyme in uric acid production. <b>Results</b>: Our findings indicate the following: (1) restraint stress is a valid method for inducing a depressive phenotype in rats; (2) depressive rats exhibit decreased NAD(P) levels in the liver and…"
  • autophagy PMID 38089953
    "Conclusions Our study revealed the ovarian-protective effect of allantoin in CP-induced premature ovarian failure for the first time, the effect was achieved through attenuation of the apoptosis, autophagy, and pyroptosis."
  • sirtuin PMID 34760013
    "It seems that the antioxidant effects of allantoin might have resulted from the activation of SIRT1/Nrf2 pathway and increase of cellular antioxidant power."

AMPK

  • PMID 32125649
    "Molecular docking simulation showed that allantoin promoted the phosphorylation (activation) of adenosine monophosphate-activated kinase (AMPK) by lowering the substrate free energy of binding (FEB) and induced the formation of an additional hydrogen bond between Val184 and the substrate AMP."
  • PMID 32125649
    "These results demonstrated the potential of allantoin to alleviate age-related hypercholesterolaemia by upregulating AMPK and downregulating cholesterol biosynthesis via the mevalonate pathway and Bloch pathway."
  • PMID 22351479
    "Moreover, compound C at concentrations sufficient to inhibit AMPK blocked the allantoin-induced glucose uptake and AMPK phosphorylation."
  • NAD+ PMID 407941
    "Adenine, hypoxanthine, xanthine and guanine are broken down in Pseudomonas aeruginosa and Pseudomonas testosteroni to allantoin by the concerted action of the enzymes adenine deaminase, guanine deaminase, NAD+-dependent xanthine dehydrogenase and uricase."

recorded 2025-03-23 · last checked 2026-09-04

Where it is registered
Identifiers, relations and other names

The exact record

PubChem CID
439714
CAS number
3844-67-5
RxCUI
1739978
InChIKey
POJWUDADGALRAB-SFOWXEAESA-N

Relations

Salt form
Cvs Health Advanced Scar Gel, Meijer Scar Gel, BioBarrier Renewal Cream, Face Saver Gel, Healing Hand Cream, BioBarrier Repair Eye Cream, Cetaphil Soothing Gel Cream, Drs. pharmacy Scar Cream, Nasal Dryness Relief Gel, Sheffield Advanced Scar Gel, Tagrid Skin Repair Cream, Target Advanced Scar Gel
Trade name
Aluroderm Scar, Kenaf Wet Wipe Kids, Mederma Advanced Scar, Parma Anus Skin Premium Cleanser, DeFlame, Teevodar, DCH Scar, Dermachange Scar, QC Scar, TerrasilMed ONC, ADVANCED SILICONE SCAR, ARC Skin Protectant
Sources (7)

Sources

1 more source

ClinicalTrials.gov — US Government work · Europe PMC — metadata only, under the recorded legal gate · derived from this page's own recorded fields; no external licence · mixed register set; per-register licences in docs/specs/corpus-20k-sources.md

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: 7 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

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