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Teplizumab

  • Antibody medicine
  • Still being tested
  • 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 Teplizumab does in the body

1) ]: Delay the onset of Stage 3 type 1 diabetes (T1D) in adult and pediatric patients 1 year of age and older with Stage 2 T1D.

From the FDA-approved label: Teplizumab-mzwv binds to CD3 (a cell surface antigen present on T lymphocytes) and delays the onset of Stage 3 T1D in adult and pediatric patients aged 1 year and older with Stage 2 T1D and delays the decline in endogenous insulin production in patients aged 8 to 17 years recently diagnosed with Stage 3 T1D. The mechanism may involve partial agonistic signaling and deactivation of pancreatic beta cell autoreactive T lymphocytes. Teplizumab-mzwv leads to an increase in the proportion of regulatory T cells and of exhausted CD8+ T cells in peripheral blood.

Why people take it. TZIELD is indicated to [see Dosage and Administration (2.1) ]: Delay the onset of Stage 3 type 1 diabetes (T1D) in adult and pediatric patients 1 year of age and older with Stage 2 T1D.

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. It is a prescription or clinician-administered medicine where it is approved.

What the registries record it as

  • The substance registry classes this as protein.

    FDA substance registry · S4M959U2IJ · 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 168 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.

For United States (US) and non-European Union (EU) countries: Glycated hemoglobin (HbA1c) change from baseline

The study did not show it

Who was studied
NCT07088068
How many people
723
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. Intravenous

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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Number of Subjects in Segment 2 With Both a Total Daily Insulin Dose of Less Than 0.5 U/kg/Day and Hemoglobin A1c (HbA1c) Level of Less Than 6.5%.

The study did not show it

Who was studied
NCT00385697
How many people
554
Study design
Phase 2/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. Intravenous

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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Change in C-peptide ln(AUC+1) Standardized by Duration of the Mixed Meal Tolerance Test (MMTT)

The study did not show it

Who was studied
NCT03875729
How many people
328
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. Intravenous

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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Proportion of Subjects With Both a Total Daily Insulin Dose of Less Than 0.5 U/kg/Day and Hemoglobin A1c (HbA1c) Level of Less Than 6.5%.

The study did not show it

Who was studied
NCT00920582
How many people
254
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. Intravenous

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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

The Number of Participants Who Experience an Adverse Event, Serious Adverse Event or Adverse Event of Special Interest.

The study did not show it

Who was studied
NCT00870818
How many people
219
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. Intravenous

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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Change in Mean C-peptide Area Under the Curve (AUC) Response to a Mixed Meal Tolerance Test (MMTT)

The study did not show it

Who was studied
NCT00129259
How many people
83
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. Intravenous

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
  • 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 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 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 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 No evidence recorded. Mice, rats, dogs. Useful for ideas, not proof about people.No animal record is stored.
  8. Cells in a dish No evidence recorded. Cells or chemistry on a bench, far from a whole body.No cell or bench record is stored.
  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 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.

  • TZIELD is indicated to [see Dosage and Administration (2.1) ]: Delay the onset of Stage 3 type 1 diabetes (T1D) in adult and pediatric patients 1 year of age and older with Stage 2 T1D. Delay the decline in endogenous insulin production in pediatric patients aged 8 to 17 years recently diagnosed with Stage 3 T1D.

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 TZIELD have not been established to delay the onset of Stage 3 T1D in pediatric patients younger than 1 year of age with Stage 2 T1D.”

    US prescribing information · e8a39a5f-139c-4510-9777-71cbb00138fa · read 2026-08-30

  • On older people, the label states: “Clinical studies of TZIELD to delay the onset of Stage 3 T1D did not include patients 65 years of age and older.”

    US prescribing information · e8a39a5f-139c-4510-9777-71cbb00138fa · read 2026-08-30

  • On people who are pregnant, the label states: “Risk Summary Available case reports from clinical trials with TZIELD are insufficient to identify a drug-associated risk of major birth defects, miscarriage or other adverse maternal or fetal outcomes.”

    US prescribing information · e8a39a5f-139c-4510-9777-71cbb00138fa · read 2026-08-30

  • On people who are breastfeeding, the label states: “Risk Summary There are no data on the presence of teplizumab-mzwv in either human or animal milk, the effects on the breastfed child, or the effects on milk production.”

    US prescribing information · e8a39a5f-139c-4510-9777-71cbb00138fa · 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 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

Still being tested

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

Intravenous

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. It is a prescription or clinician-administered medicine where it is approved.

Quoted from a source

Where this came from

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

The identity record classes it as Monoclonal Antibody (mAb).

No source is stored against this line.

What is in the pack

Sold as injection, given by the intravenous 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

Intravenous

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

  • 2 products list this as an active ingredient in the United States drug directory. 2 of them contain it and nothing else.

    FDA National Drug Code directory · 83277-002 · read 2026-08-29

  • They are sold as injection and solution, taken intravenous.

    FDA National Drug Code directory · 83277-002 · read 2026-08-29

  • The regulator's established pharmacologic class for it is cd3-directed antibody interactions [moa] and cd3-directed antibody [epc].

    FDA National Drug Code directory · 83277-002 · 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 · e8a39a5f-139c-4510-9777-71cbb00138fa · read 2026-08-29

  • Those labels are classed as human prescription drug.

    US prescribing information · e8a39a5f-139c-4510-9777-71cbb00138fa · read 2026-08-29

  • TZIELD is intravenous at 3 DOSAGE FORMS AND STRENGTHS Injection: 2 mg/2 mL (1 mg/mL) clear and colorless solution in a single-dose vial., recorded as fda label in effect 2026-08-14 in the United States.

    US prescribing information · e8a39a5f-139c-4510-9777-71cbb00138fa · 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 Teplizumab 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.

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 Teplizumab 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)
S4M959U2IJ
CAS registry number
876387-05-2
ChEMBL
CHEMBL1743078
WHO international nonproprietary name list entry
8869
RxNorm concept
2621880
EMA substance identifier
100000128378
DrugBank
DB06606

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 Monoclonal Antibody (mAb).

  • 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 20221117.

    FDA National Drug Code directory · 83277-002 · 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

8 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.
  • 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)

What did Teplizumab's largest trial (1000 people) and its longest (12 years) measure?


1000 people in Teplizumab's largest registered study, 12 years in its longest registered window, measuring For EU countries: Change from baseline in mean 2 hours mixed meal tolerance test (MMTT) stimulated C-peptide concentration, calculated from Area Under the Curve (AUC) in participants 5 years and older. ClinicalTrials.gov · 2026-09-01

8 phase2, 6 na or unstated, 4 phase3, 3 phase1, 1 phase4; NCT06481904; 2037-01-15; no ageing endpoint recorded. Last human test completed 2025, NCT06892002.

Interpretation These counts include studies where Teplizumab 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
  • phase2
    8
  • na or unstated
    6
  • phase3
    4
  • phase1
    3
  • phase4
    1
  • Last recorded human test NCT06892002
    2025-08-05

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

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


human: biomarker (19): the rungs where Teplizumab has a recorded finding. Europe PMC and ClinicalTrials.gov · organism ladder · 2026-09-01

For EU countries: Change from baseline in mean 2 hours mixed meal tolerance test (MMTT) stimulated C-peptide concentration, calculated from Area Under the… — the recorded outcome words.

Yeast C. elegans Drosophila Mouse Rat Dog Non-human primate Human biomarker
Show the evidence
  • human NCT07088068
    biomarker; For EU countries: Change from baseline in mean 2 hours mixed meal tolerance test (MMTT) stimulated C-peptide concentration, calculated from Area Under the Curve (AUC) in participants 5 years and older; 19

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

3 of Teplizumab's trials stopped: safety, funding/business, other?


safety (1), funding/business (1) and other (1): Teplizumab's stop wording, clustered. ClinicalTrials.gov · 2026-09-01

"Adverse events related to drug lot"; 3 of 19 registered studies

Show the evidence

Trial

  • NCT00806572
    terminated; "Adverse events related to drug lot"
  • NCT00920582
    terminated; "Business decision"
  • NCT00954915
    terminated; "Injection site reaction met protocol-defined stopping criteria."

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

Human studies of Teplizumab used Teplizumab 33.3% Herold Regimen — over how long?


Human studies of Teplizumab used "Teplizumab 33.3% Herold Regimen". ClinicalTrials.gov · 2026-09-01

Show the evidence
  • human NCT00920582
    Teplizumab 33.3% Herold Regimen

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

Could one person measure Teplizumab's effect on adverse events?


Adverse events: measured in Teplizumab's trials.

Interpretation adverse events is the recorded endpoint.

Show the evidence

biomarkers

  • adverse events; 2026-09-01
  • incidence of treatment emergent adverse events; 2026-09-01
  • serious adverse events; 2026-09-01
  • medical history; 2026-09-01
  • human trials at or under30
    4
  • Not recorded for this substance
    a recorded half-life
  • smallest human trial
    1; NCT00954915; PHASE1/PHASE2; the smallest recorded human enrolment at or below 30; the registry states no direction of its result; TERMINATED

Which of adverse events, incidence of treatment emergent adverse events and medical history did Teplizumab's trials measure?


adverse events, incidence of treatment emergent adverse events and medical history lead 4 outcome terms across Teplizumab's trials. ClinicalTrials.gov · 2026-09-01

Interpretation medical history follow.

Show the evidence
  • adverse events
    1
  • incidence of treatment emergent adverse events
    1
  • serious adverse events
    1
  • medical history
    1

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

Which of Teplizumab's 10 ongoing trials reports first?


10 registered trials of Teplizumab are open; earliest completion 2026-08-27. ClinicalTrials.gov · 2026-09-01

Incidence of adverse events (AEs), serious adverse events (SAEs) and adverse events of special interest (AESIs), including infections and malignancies; Treatment-emergent adverse events (TEAEs), adverse events of special interest (AESIs), TEAEs leading to withdrawal, and serious adverse events (SAEs); latest 2037-01-15

Show the evidence

Trial

  • NCT04598893
    "Recent-Onset Type 1 Diabetes Extension Study Evaluating the Long-Term Safety of Teplizumab (PROTECT Extension)"; n 188; "Incidence of adverse events (AEs), serious adverse events (SAEs) and adverse events of special interest (AESIs), including infections and malignancies"; 2026-11
  • NCT05757713
    "Teplizumab in Pediatric Stage 2 Type 1 Diabetes"; n 20; "Treatment-emergent adverse events (TEAEs), adverse events of special interest (AESIs), TEAEs leading to withdrawal, and serious adverse events (SAEs)"; 2026-08-27
  • NCT06481904
    "Registry for Stage 2 Type 1 Diabetes"; n 200; "Number of adverse events of special interests (AESI)"; 2037-01-15
  • NCT06791291
    "Efficacy and Safety of Teplizumab in Japanese Participants With Stage 2 Type 1 Diabetes"; n 10; "Number of participants with Stage 3 Type 1 Diabetes based on American Diabetes Association criteria"; 2028-03-06
  • NCT07088068
    "A Study to Investigate Efficacy and Safety of Teplizumab Compared With Placebo in Participants 1 to 25 Years of Age With Stage 3 Type 1 Diabetes"; n 723; "For United States (US) and non-European Union (EU) countries: Glycated hemoglobin (HbA1c) change from baseline"; 2028-12-12
  • NCT07216391
    "Platform Trial to Delay Stage 3 Diabetes: Comparing Teplizumab With ATG"; n 60; "Change in DPTRS at six months"; 2030-05-30
4 further recorded trials
  • NCT07260110
    "A Longitudinal, Observational Study Comparing Real-World Experiences of Teplizumab-Treated and Untreated Participants With Stage 2 Type 1 Diabetes in the United States"; n 550; "Change in participant and caregiver-reported outcomes from survey responses: ease of diabetes management questions"; 2030-12-03
  • NCT07360080
    "Long-Term Outcomes of Teplizumab in Routine Clinical Care"; n 1000; "Time from teplizumab infusion start to the onset of Stage 3 T1D"; 2035-10-29
  • NCT07457580
    "Real-World Study of Patients With Type 1 Diabetes Treated With Teplizumab as Part of Managed Access Programs (MAPs)"; n 60; "Participant demographics at teplizumab initiation"; 2026-11-30
  • NCT07610213
    "Sequential Immune Modulation and Antigen-Specific Tolerance Induction for Disease Modification in Recent-Onset Type 1 Diabetes"; n 60; "Change in Stimulated C-peptide AUC"; 2030-06-01

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

At the median, Teplizumab's trials enrolled 83 people — anything larger?


Median enrolment
83
Largest enrolment
1000
Registered trials counted
19
Where it is registered
Identifiers, relations and other names

The exact record

ChEMBL id
CHEMBL1743078
CAS number
876387-05-2
RxCUI
2621880
Development code
hOKT3 gamma 1 (Ala-Ala), HUMANIZED OKT3, Humanzied OKT3, MGA-031, MGA031, PRV-031, PRV031
Also called
Teplizumab mzwv, hokt3γ1 (ala-ala), IMMUNOGLOBULIN G1, ANTI-(HUMAN CD3 (ANTIGEN).EPSILON.-CHAIN)(HUMAN-MOUSE MONOCLONAL MGA031 HEAVY CHAIN), DISULFIDE WITH HUMAN-MOUSE MONOCLONAL MGA031 LIGHT-CHAIN DIMER, IMMUNOGLOBULIN G1, ANTI-(HUMAN CD3 (ANTIGEN).EPSILON.-CHAIN)(HUMAN-MOUSE MONOCLONAL MGA031 HEAVY CHAIN), DISULPHIDE WITH HUMAN-MOUSE MONOCLONAL MGA031 LIGHT-CHAIN DIMER, IMMUNOGLOBULIN G1, ANTI-(HUMAN T-CELL SURFACE GLYCOPROTEIN CD3 EPSILON CHAIN) HUMANIZED MOUSE MONOCLONAL MGA031; GAMMA1 HEAVY CHAIN (HUMANIZED VH (HOMO SAPIENS FR/MUS MUSCULUS CDR)-(117-ALANINE,118-ALANINE)HOMO SAPIENS IGHG1) (222-213')-DISULFIDE WITH KAPPA LIGHT CHAIN (HUMANIZED V-KAPPA (HOMO SAPIENS FR/MUS MUSCULUS CDR)-HOMO SAPIENS IGKC); (228-228'':231-231'')-BISDISULFIDE DIMER, IMMUNOGLOBULIN G1, ANTI-(HUMAN T-CELL SURFACE GLYCOPROTEIN CD3 EPSILON CHAIN) HUMANIZED MOUSE MONOCLONAL MGA031; GAMMA1 HEAVY CHAIN (HUMANIZED VH (HOMO SAPIENS FR/MUS MUSCULUS CDR)-(117-ALANINE,118-ALANINE)HOMO SAPIENS IGHG1) (222-213')-DISULPHIDE WITH KAP, TEPLIZUMAB [USAN]
Trade name
Tzield, Teizeild
Sources (6)

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 and ClinicalTrials.gov organism ladder ·
  • openfda-label e8a39a5f-139c-4510-9777-71cbb00138fa ·
  • national registers EU, CA ·

ChEMBL ATC CC BY-SA · 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

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