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Tolbutamide

  • Prescription medicine
  • 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 Tolbutamide does in the body

RNAWiki has not recorded what this substance changes in the body.

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
RNAWiki has not recorded a supervision or regulatory status for this substance.

What the registries record it as

  • The substance registry classes this as chemical.

    FDA substance registry · 982XCM1FOI · read 2026-08-29

  • Its recorded molecular formula is C12H18N2O3S, weighing 270.35.

    PubChem record · 5505 · read 2026-08-29

Where each sentence above came from

No plain explanation of what this changes is stored.

No recorded use is stored in reader language.

No statement of the main limit is recorded.

The four opening statements run to 26 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.

Stand-in result

A stand-in result is a number measured because the real result takes too long.

A picture of it, and where the picture fails

It is like judging a journey by the speedometer rather than by arriving.

Where that stops being true. Speed does predict arrival. Many stand-in results do not predict the real one.

What people get wrong. A stand-in result is often reported as the result itself.

A surrogate endpoint substituted for a clinical endpoint, valid only where the substitution has been shown to hold.

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.

Glycemic Control as Measured by HbA1c Levels

The study did not show it

Who was studied
NCT06449235
How many people
938
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.

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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • Europe PMC · a recorded source, not a stored snapshot

Mean Change in Meal Stimulated Insulin Secretion Rate (ISR) Relative to Glucose 0-2 Hours, From Baseline to 4 Weeks.

The study did not show it

Who was studied
NCT01068860
How many people
246
Study design
Phase 2
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.

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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • Europe PMC · a recorded source, not a stored snapshot

Primary Outcome

The study did not show it

Who was studied
NCT06759922
How many people
172
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.

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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • Europe PMC · a recorded source, not a stored snapshot

Area under the concentration-time curve (AUC) from time 0 to infinity

The study did not show it

Who was studied
NCT03723395
How many people
116
Study design
Phase 1
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.

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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • Europe PMC · a recorded source, not a stored snapshot

Safety and tolerability of BTZ-043

The study did not show it

Who was studied
NCT04044001
How many people
77
Study design
Phase 1/Phase 2
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.

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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • Europe PMC · a recorded source, not a stored snapshot

Metabolic ratio

The study did not show it

Who was studied
NCT02291666
How many people
73
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.

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
  • PubChem PUG-REST · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • Europe PMC · 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 Evidence recorded. Death, a heart attack, a stroke, a hospital stay.2 registered measures of this kind. No reviewed result.
  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 No evidence recorded. Pain, tiredness, mood, sleep, as the person rated it.No registered study measures this.
  5. A number that stands in for health Evidence recorded. Cholesterol, blood sugar, bone density. A stand-in, not the thing itself.6 registered measures of this kind.
  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 No evidence recorded. Mice, rats, dogs. Useful for ideas, not proof about people.No animal record is stored.
  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.

No registered study measured anything of this kind.

Measured

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

  • plasma auc of day 1 and day 8
  • maximum observed plasma concentration
  • time to reach maximum concentration
  • time to last quantifiable plasma concentration
  • maximum observed concentration
  • time of maximum observed concentration

Meaningful

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

  • hospitalization for incident heart failure
  • hospitalization for acute pancreatitis

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 (31)
  • pk variables
  • flurbiprofen clearance
  • ketoprofen clearance
  • cmax of faldaprevir
  • c24hr of faldaprevir
  • cmax of deleobuvir
  • c6hr of deleobuvir
  • auc 0 6hr of deleobuvir
  • cmax of deleobuvir metabolite acyl glucuronide
  • c6hr of deleobuvir metabolite acyl glucuronide
  • auc 0 6hr of deleobuvir metabolite acyl glucuronide
  • cmax of deleobuvir reduction metabolite cd 6168
  • elimination half life
  • elimination rate constant
  • metabolic
  • pharmacokinetic profile for bupropion
  • pharmacokinetic profile for pioglitazone
  • pharmacokinetic profile for omeprazole
  • pharmacokinetic profile for midazolam
  • incident pancreatic cancer

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

No description of who was studied is recorded.

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.

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 (10)
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

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

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

No form or route is recorded.

No source is stored against this line.

Who oversees it

RNAWiki has not recorded a supervision or regulatory status for this substance.

Quoted from a source

Where this came from

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

No register row and no identity class settled the question.

No source is stored against this line.

What is in the pack

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

Nothing is recorded about product quality.

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

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

The exact form studied is not recorded.

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

  • 3 products list this as an active ingredient in the United States drug directory. 3 of them contain it and nothing else.

    FDA National Drug Code directory · 46438-0002 · read 2026-08-29

  • They are sold as powder.

    FDA National Drug Code directory · 46438-0002 · 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.

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.

RNAWiki could not confidently classify this substance, so no self-experiment plan is offered.

Questions worth asking

  • Which of the trials of Tolbutamide 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 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 Tolbutamide 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 peopleRead from sources, not yet reviewed

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.

Where else this substance is registered

FDA substance identifier (UNII)
982XCM1FOI
CAS registry number
64-77-7
PubChem compound
5505
ChEMBL
CHEMBL782
ChEBI
27999
WHO international nonproprietary name list entry
602
RxNorm concept
10635
EMA substance identifier
100000091980
European Chemicals Agency number
200-594-3
DrugBank
DB01124

Checks this page had to pass

  • Passed

    Identity resolved

    no open identity hold

  • Passed

    No unresolved merge across substance families

    no quarantine open

  • Not passed

    Every public sentence names a source

    The opening statement carries no source: the record holds neither an explanation nor a recorded use.

  • 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

  • Not passed

    Safety mode resolved

    No register row and no identity class settled the question.

  • 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

  • 18 approved applications cover products containing this substance. The earliest was NDA010670, approved 19570531 to PHARMACIA AND UPJOHN.

    Drugs@FDA application register · NDA010670 · read 2026-08-29

  • Marketing status on the register: discontinued.

    Drugs@FDA application register · NDA010670 · read 2026-08-29

  • The earliest marketing start date recorded for a listed product is 20150619.

    FDA National Drug Code directory · 46438-0002 · 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

7 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.
  • 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 (10)

What did Tolbutamide's largest trial (1499650 people) and its longest (4.5 years) measure?


1499650 people in Tolbutamide's largest registered study, 4.5 years in its longest registered window, measuring Area Under the Concentration-time Curve (AUC) of Faldaprevir (BI 201335) From 0 to 24 Hours. ClinicalTrials.gov · 2026-09-01

16 phase1, 4 na or unstated, 1 phase2, 1 phase4; NCT01061112; 2014-06; no ageing endpoint recorded. Last human test completed 2022, NCT03948243.

Interpretation These counts include studies where Tolbutamide 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
  • phase1
    16
  • na or unstated
    4
  • phase2
    1
  • phase4
    1
  • Last recorded human test NCT03948243
    2022-04-22

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

Tolbutamide was tested only in human — what did it show?


human: biomarker (22): the rungs where Tolbutamide has a recorded finding. Europe PMC and ClinicalTrials.gov · organism ladder · 2026-09-01

Area Under the Concentration-time Curve (AUC) of Faldaprevir (BI 201335) From 0 to 24 Hours — the recorded outcome words.

Yeast C. elegans Drosophila Mouse Rat Dog Non-human primate Human biomarker
Show the evidence
  • human NCT01525628
    biomarker; Area Under the Concentration-time Curve (AUC) of Faldaprevir (BI 201335) From 0 to 24 Hours; 22

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

Why did Tolbutamide's trial NCT01185548 stop?


1 recorded trial of Tolbutamide stopped. ClinicalTrials.gov · 2026-09-01

"Terminated based on safety results from another trial"; 1 of 22 registered studies

Show the evidence
  • Trial NCT01185548
    terminated; "Terminated based on safety results from another trial"

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

Human studies of Tolbutamide used Tolbutamide (250 mg) — over how long?


Human studies of Tolbutamide used "Tolbutamide (250 mg)". ClinicalTrials.gov · 2026-09-01

2 recorded entries; human; also "Tolbutamide 250 mg"

Show the evidence

human

  • NCT00741468
    Tolbutamide (250 mg)
  • NCT03948243
    Tolbutamide 250 mg

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

Could one person measure Tolbutamide's effect on plasma auc of day 1 and day 8?


Plasma auc of day 1 and day 8: measured in Tolbutamide's trials.

plasma auc of day 1 and day 8 is the recorded endpoint.

Show the evidence

biomarkers

  • plasma auc of day 1 and day 8; 2026-09-01
  • pk variables; 2026-09-01
  • flurbiprofen clearance; 2026-09-01
  • ketoprofen clearance; 2026-09-01
  • cmax of faldaprevir; 2026-09-01
  • c24hr of faldaprevir; 2026-09-01
14 more recorded rows
  • biomarkers
    cmax of deleobuvir; 2026-09-01
  • biomarkers
    c6hr of deleobuvir; 2026-09-01
  • biomarkers
    auc 0 6hr of deleobuvir; 2026-09-01
  • biomarkers
    cmax of deleobuvir metabolite acyl glucuronide; 2026-09-01
  • biomarkers
    c6hr of deleobuvir metabolite acyl glucuronide; 2026-09-01
  • biomarkers
    auc 0 6hr of deleobuvir metabolite acyl glucuronide; 2026-09-01
  • biomarkers
    cmax of deleobuvir reduction metabolite cd 6168; 2026-09-01
  • biomarkers
    maximum observed plasma concentration; 2026-09-01
  • biomarkers
    time to reach maximum concentration; 2026-09-01
  • biomarkers
    time to last quantifiable plasma concentration; 2026-09-01
  • biomarkers
    elimination half life; 2026-09-01
  • biomarkers
    elimination rate constant; 2026-09-01
  • biomarkers
    metabolic; 2026-09-01
  • biomarkers
    hospitalization for incident heart failure; 2026-09-01
  • human trials at or under30
    12
  • Not recorded for this substance
    a recorded half-life
  • smallest human trial
    4; NCT01185548; PHASE1; the smallest recorded human enrolment at or below 30; the registry states no direction of its result; TERMINATED

Which of 1 area under the curve, apparent terminal elimination half life and apparent total clearance did Tolbutamide's trials measure?


1 area under the curve, apparent terminal elimination half life and apparent total clearance lead 39 outcome terms across Tolbutamide's trials. ClinicalTrials.gov · 2026-09-01

ketoprofen clearance, cmax of faldaprevir, c24hr of faldaprevir, cmax of deleobuvir, c6hr of deleobuvir and auc 0 6hr of deleobuvir follow.

Show the evidence
  • plasma auc of day 1 and day 8
    1
  • pk variables
    1
  • flurbiprofen clearance
    1
  • ketoprofen clearance
    1
  • cmax of faldaprevir
    1
  • c24hr of faldaprevir
    1
14 more recorded rows
  • cmax of deleobuvir
    1
  • c6hr of deleobuvir
    1
  • auc 0 6hr of deleobuvir
    1
  • cmax of deleobuvir metabolite acyl glucuronide
    1
  • c6hr of deleobuvir metabolite acyl glucuronide
    1
  • auc 0 6hr of deleobuvir metabolite acyl glucuronide
    1
  • cmax of deleobuvir reduction metabolite cd 6168
    1
  • maximum observed plasma concentration
    1
  • time to reach maximum concentration
    1
  • time to last quantifiable plasma concentration
    1
  • elimination half life
    1
  • elimination rate constant
    1
  • metabolic
    1
  • hospitalization for incident heart failure
    1

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

Which 15 trials of Tolbutamide posted no result?


Posted no result
15 of 15 completed trials
Registrations
NCT00930306, NCT01061112, NCT02211079, NCT01218620, NCT02475499 and NCT02476760, and 9 more
Completion dates
oldest 2009-09; newest 2022-04-22
Show the evidence

Trial

  • NCT00930306
    2009-09
  • NCT01061112
    2014-06
  • NCT02211079
    2014-11
  • NCT01218620
    2014-12
  • NCT02475499
    2015-04
  • NCT02476760
    2015-04
9 further recorded trials
  • NCT02456428
    2015-05
  • NCT02473627
    2015-07
  • NCT03716427
    2017-02-15
  • NCT03103568
    2017-07-24
  • NCT03457597
    2018-04-28
  • NCT03723395
    2018-12-28
  • NCT02291666
    2019-07
  • NCT04525235
    2021-08-12
  • NCT03948243
    2022-04-22

At the median, Tolbutamide's trials enrolled 26 people — anything larger?


Median enrolment
26
Largest enrolment
1499650
Registered trials counted
22

Was Tolbutamide studied with fasting?


fasting is named in Tolbutamide's label sentences: "A total of 290 patients with NIDDM and fasting plasma glucose levels of at least 140 mg/dL were randomized to receive treatment TID with acarbose 200 mg, tolbutamide 250 to 1,000 mg, a combination of both drugs, or placebo." openfda-label+europepmc · 1995-05-01

1 recorded statement; fasting

Show the evidence
  • fasting
    A total of 290 patients with NIDDM and fasting plasma glucose levels of at least 140 mg/dL were randomized to receive treatment TID with acarbose 200 mg, tolbutamide 250 to 1,000 mg, a combination of both drugs, or placebo.

recorded 1995-05-01 · last checked 2026-09-04

What is recorded about Tolbutamide and AMPK?


"We found that bath or intracellular application of the AMPK activators A769662 and PT1 augmented tolbutamide-sensitive K-ATP currents evoked by NMDA receptor stimulation." — where Tolbutamide and AMPK appear together. Europe PMC · pathway abstract search · 2014-05-27

AMPK, NAD+; PMID 24875176, 12589707, 17693389

Show the evidence

AMPK

  • PMID 24875176
    "We found that bath or intracellular application of the AMPK activators A769662 and PT1 augmented tolbutamide-sensitive K-ATP currents evoked by NMDA receptor stimulation."
  • PMID 12589707
    "In MIN6 cells, activation of AMPK suppressed glucose metabolism, as assessed by changes in total, cytosolic or mitochondrial [ATP] and NAD(P)H, and reduced increases in intracellular [Ca(2+)] caused by either glucose or tolbutamide."

NAD+

  • PMID 12589707
    "In MIN6 cells, activation of AMPK suppressed glucose metabolism, as assessed by changes in total, cytosolic or mitochondrial [ATP] and NAD(P)H, and reduced increases in intracellular [Ca(2+)] caused by either glucose or tolbutamide."
  • PMID 17693389
    "Incubation of dispersed mouse beta-cells with IGFBP-1 for 30min inhibited insulin secretion stimulated by glucose, glucagon-like peptide 1 (GLP-1) or tolbutamide without changes in basal release of insulin and in cytosolic free Ca(2+) concentration ([Ca(2+)](i)) and NAD(P)H evoked by glucose."

recorded 2014-05-27 · last checked 2026-09-04

Where it is registered
Identifiers, relations and other names

The exact record

ChEMBL id
CHEMBL1200874
PubChem CID
23690448
CAS number
473-41-6
RxCUI
221173
InChIKey
JLRGJRBPOGGCBT-UHFFFAOYSA-N
Also called
TOLBUTAMIDE SODIUM, 1-butyl-3-(p-tolylsulfonyl)urea, Arkozal, Butamide, Diabetamid, Ipoglicone, Tolbutamida, Tolbutamidum, Willbutamide, TOLBUTAMIDE [EP MONOGRAPH], TOLBUTAMIDE [HSDB], TOLBUTAMIDE [JAN]
Trade name
Orinase diagnostic, Glyconon, Orinase, Pramidex, Rastinon, Orinase / Orinase Diagnostic
Salt form
Sodium tolbutamide, Tolbutamide sodium salt, Tolbutamide sodium, sterile
Development code
NSC-23813, NSC-87833
Sources (9)

Sources

  • ClinicalTrials.gov clinicaltrials.gov ·
  • ClinicalTrials.gov ClinicalTrials.gov API v2 snapshot 2026-09-01T09:00:05 ·
  • this record's own fields 2,3,5 ·
  • Europe PMC dose-response search ·
  • Europe PMC pathway abstract search ·
  • Europe PMC search ·
3 more sources

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 · 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: 3 required field(s) not terminal: Best-supported result, Biggest unanswered question, Human evidence
  • public claims reviewed: 0 reviewed claim(s); drafts are never rendered
  • source coverage passed: 9 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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