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Histrelin

  • Peptide
  • 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 Histrelin does in the body

Central precocious puberty

From the FDA-approved label: SUPPRELIN LA is a GnRH agonist and an inhibitor of gonadotropin secretion when given continuously. Both animal and human studies indicate that following an initial stimulatory phase, chronic, subcutaneous administration of histrelin acetate desensitizes responsiveness of the pituitary gonadotropin which, in turn causes a reduction in ovarian and testicular steroidogenesis.

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 · H50H3S3W74 · read 2026-08-29

Where each sentence above came from

The recorded explanation names an amount, so it does not open this page. The page opens with what it is taken for instead, and the recorded explanation follows below.

Shown as the opening line on this page.

No statement of the main limit is recorded.

The four opening statements run to 70 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 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 10 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
Fertility and sexual healthNothing 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.
EnergyNothing 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
Fertility and sexual health
sexual quality of life
Energy
fatigue

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.

Metastasis-free survival (MFS)

The study did not show it

Who was studied
NCT04513717
How many people
2753
Study design
Phase 3
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

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

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

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

Form and route. Injection

Interval reported. Not recorded in this summary

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

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Distant metastasis (DM) (De-intensification study)

The study did not show it

Who was studied
NCT05050084
How many people
2050
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. Injection

Interval reported. Not recorded in this summary

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

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Overall survival (OS)

The study did not show it

Who was studied
NCT03678025
How many people
1273
Study design
Phase 3
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

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

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

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

Form and route. Injection

Interval reported. Not recorded in this summary

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

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Modified radiographic progression-free survival (mrPFS) (Groups A & B)

The study did not show it

Who was studied
NCT06378866
How many people
532
Study design
Phase 2
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

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

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

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

Form and route. Injection

Interval reported. Not recorded in this summary

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

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Castration-resistant prostate cancer-free survival (CRPC-free survival)

The study did not show it

Who was studied
NCT04787744
How many people
464
Study design
Phase 2/Phase 3
Compared against
Not recorded for this study
Kind of result
Living longer, or avoiding a major event
What was found
Result not recorded on this page
Repeated elsewhere
Unreplicated

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

The limits of this study, and where it came from

Main limit. No limitation is recorded for this study.

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

Form and route. Injection

Interval reported. Not recorded in this summary

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

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • PubChem PUG-REST · a recorded source, not a stored snapshot

Suppression of testosterone to chemical castration levels (<= 50 ng/dL)

The study did not show it

Who was studied
NCT01697384
How many people
138
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. Injection

Interval reported. Not recorded in this summary

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

  • openFDA Drugs@FDA · a recorded source, not a stored snapshot
  • openFDA NDC Directory · a recorded source, not a stored snapshot
  • openFDA SPL label · a recorded source, not a stored snapshot
  • 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 Evidence recorded. Death, a heart attack, a stroke, a hospital stay.4 registered measures of this kind. 4 written-up studies measured this and did not show a benefit.
  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.3 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 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 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.

  • sexual quality of life
  • hormonal quality of life
  • fatigue

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.

  • overall survival
  • metastasis free survival
  • modified radiographic progression free survival
  • distant progression free survival

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)
  • luteinizing hormone
  • qtc interval
  • distant metastasis

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.

  • SUPPRELIN LA (histrelin acetate) subcutaneous implant is indicated for the treatment of children with central precocious puberty (CPP). Children with CPP (neurogenic or idiopathic) have an early onset of secondary sexual characteristics (earlier than 8 years of age in females and 9 years of age in males). They also show a significantly advanced bone age that can result in diminished adult height attainment.

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: “Safety and effectiveness in pediatric patients below the age of 2 years have not been established.”

    US prescribing information · d8fb000e-3cc9-4803-b71d-2cc597661977 · read 2026-08-30

  • On people who are pregnant, the label states: “Risk Summary SUPPRELIN LA is contraindicated during pregnancy [see Contraindications ( 4 )] since expected hormonal changes that occur with SUPPRELIN LA treatment increase the risk for pregnancy loss.”

    US prescribing information · d8fb000e-3cc9-4803-b71d-2cc597661977 · read 2026-08-30

  • On people who are breastfeeding, the label states: “Risk Summary There are no data on the presence of SUPPRELIN LA in human or animal milk, the effects on the breastfed infant, or the effects on milk production.”

    US prescribing information · d8fb000e-3cc9-4803-b71d-2cc597661977 · 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

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

Injection

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

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

Sold as injectable, implant, given by the injection, subcutaneous 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.

Reports sent to a regulator

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

Histrelin appears in spontaneous reports to regulators. Across the 10 most-reported reaction terms, 192 reaction mentions were counted. One report can name several reactions.

The recorded terms (10)
  • procedural complication — 60 reaction mentions
  • implant site rash — 24 reaction mentions
  • rash — 24 reaction mentions
  • rash pruritic — 14 reaction mentions
  • implant site pain — 13 reaction mentions
  • weight increased — 13 reaction mentions
  • nocturia — 12 reaction mentions
  • implant site infection — 11 reaction mentions
  • urinary hesitation — 11 reaction mentions
  • breast enlargement — 10 reaction mentions
  • open-targets-adr · recorded 2026-06-24 · a recorded source, not a stored snapshot

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

Injection

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

  • 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 · 71052-142 · read 2026-08-29

  • They are sold as implant and powder, taken subcutaneous.

    FDA National Drug Code directory · 71052-142 · read 2026-08-29

  • The regulator's established pharmacologic class for it is gonadotropin releasing hormone receptor agonist [epc] and gonadotropin releasing hormone receptor agonists [moa].

    FDA National Drug Code directory · 71052-142 · 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 · d8fb000e-3cc9-4803-b71d-2cc597661977 · read 2026-08-29

  • Those labels are classed as human prescription drug.

    US prescribing information · d8fb000e-3cc9-4803-b71d-2cc597661977 · read 2026-08-29

  • SUPPRELIN LA is subcutaneous at 3 DOSAGE FORMS AND STRENGTHS SUPPRELIN LA is a sterile, nonbiodegradable, diffusion-controlled, hydrogel polymer reservoir drug delivery system designed to deliver histrelin acetate continuously for 12 months after subc…, recorded as fda label in effect 2025-09-25 in the United States.

    US prescribing information · d8fb000e-3cc9-4803-b71d-2cc597661977 · 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.

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

Questions worth asking

  • Which of the trials of Histrelin 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 Histrelin 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)
H50H3S3W74
CAS registry number
76712-82-8
PubChem compound
25077993
ChEMBL
CHEMBL1201255
ChEBI
5739
WHO international nonproprietary name list entry
5733
RxNorm concept
50975
EMA substance identifier
100000083963
DrugBank
DB06788

Checks this page had to pass

  • Passed

    Identity resolved

    no open identity hold

  • Passed

    No unresolved merge across substance families

    no quarantine open

  • Passed

    Every public sentence names a source

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

  • Not passed

    Trial roles classified for highlighted evidence

    No registered study is classified as testing this substance.

  • Passed

    No internal keys in reader text

    enforced by the copy-contract test over the rendered page

  • 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

  • 3 approved applications cover products containing this substance. The earliest was NDA019836, approved 19911224 to SHIRE.

    Drugs@FDA application register · NDA019836 · read 2026-08-29

  • Marketing status on the register: discontinued and prescription.

    Drugs@FDA application register · NDA019836 · read 2026-08-29

  • The earliest marketing start date recorded for a listed product is 20010607.

    FDA National Drug Code directory · 71052-142 · 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 (11)

What did Histrelin's largest trial (2753 people) and its longest (18 years) measure?


2753 people in Histrelin's largest registered study, 18 years in its longest registered window, measuring Luteinizing Hormone (LH). ClinicalTrials.gov · 2026-09-01

6 phase3, 2 na or unstated, 2 phase2, 1 na; NCT04513717; 2038-12-31; no ageing endpoint recorded. Last human test completed 2024, NCT02278185.

Interpretation These counts include studies where Histrelin 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
  • phase3
    6
  • na or unstated
    2
  • phase2
    2
  • na
    1
  • Last recorded human test NCT02278185
    2024-07-18

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

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


human: mechanism-only (11): the rungs where Histrelin has a recorded finding. Europe PMC and ClinicalTrials.gov · organism ladder · 2026-09-01

Interpretation Luteinizing Hormone (LH) — the recorded outcome words.

Yeast C. elegans Drosophila Mouse Rat Dog Non-human primate Human mechanism-only
Show the evidence
  • human NCT00779103
    mechanism-only; Luteinizing Hormone (LH); 11

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

2 of Histrelin's trials stopped: funding/business, other?


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

"investigator has left UCSF"; 2 of 11 registered studies

Show the evidence

Trial

  • NCT03078829
    terminated; "investigator has left UCSF"
  • NCT04203381
    terminated; "Funding was terminated."

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

Human studies of Histrelin used histrelin acetate 50mg (SUPPRELIN LA®) — over how long?


Human studies of Histrelin used "histrelin acetate 50mg (SUPPRELIN LA®)". ClinicalTrials.gov · 2026-09-01

Show the evidence
  • human NCT03078829
    histrelin acetate 50mg (SUPPRELIN LA®)

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

Could one person measure Histrelin's effect on luteinizing hormone?


Luteinizing hormone: measured in Histrelin's trials.

Interpretation luteinizing hormone is the recorded endpoint.

Show the evidence

biomarkers

  • luteinizing hormone; 2026-09-01
  • qtc interval; 2026-09-01
  • overall survival; 2026-09-01
  • metastasis free survival; 2026-09-01
  • sexual quality of life; 2026-09-01
  • hormonal quality of life; 2026-09-01
4 more recorded rows
  • biomarkers
    fatigue; 2026-09-01
  • biomarkers
    distant metastasis; 2026-09-01
  • biomarkers
    modified radiographic progression free survival; 2026-09-01
  • biomarkers
    distant progression free survival; 2026-09-01
  • human trials at or under30
    3
  • Not recorded for this substance
    a recorded half-life
  • smallest human trial
    3; NCT03078829; NA_OR_UNSTATED; the smallest recorded human enrolment at or below 30; the registry states no direction of its result; TERMINATED

Which of distant metastasis, distant progression free survival and fatigue did Histrelin's trials measure?


distant metastasis, distant progression free survival and fatigue lead 10 outcome terms across Histrelin's trials. ClinicalTrials.gov · 2026-09-01

Interpretation metastasis free survival, sexual quality of life, hormonal quality of life, fatigue, distant metastasis and modified radiographic progression free survival follow.

Show the evidence
  • luteinizing hormone
    1
  • qtc interval
    1
  • overall survival
    1
  • metastasis free survival
    1
  • sexual quality of life
    1
  • hormonal quality of life
    1
4 more recorded rows
  • fatigue
    1
  • distant metastasis
    1
  • modified radiographic progression free survival
    1
  • distant progression free survival
    1

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

Which of Histrelin's 4 ongoing trials reports first?


4 registered trials of Histrelin are open; earliest completion 2031-02-28. ClinicalTrials.gov · 2026-09-01

Overall survival (OS); Metastasis-free survival (MFS); latest 2038-12-31

Show the evidence

Trial

  • NCT03678025
    "Standard Systemic Therapy With or Without Definitive Treatment in Treating Participants With Metastatic Prostate Cancer"; n 1273; "Overall survival (OS)"; 2031-10-01
  • NCT04513717
    "Two Studies for Patients With High Risk Prostate Cancer Testing Less Intense Treatment for Patients With a Low Gene Risk Score and Testing a More Intense Treatment for Patients With a High Gene Risk Score, The PREDICT-RT Trial"; n 2753; "Metastasis-free survival (MFS)"; 2038-12-31
  • NCT05050084
    "Two Studies for Patients With Unfavorable Intermediate Risk Prostate Cancer Testing Less Intense Treatment for Patients With a Low Gene Risk Score and Testing a More Intense Treatment for Patients With a Higher Gene Risk Score, The Guidance Trial"; n 2050; "Distant metastasis (DM) (De-intensification study)"; 2031-11-11
  • NCT06378866
    "Stereotactic Body Radiation Therapy Plus Immediate or Delayed Androgen Receptor Pathway Inhibitor and Androgen Deprivation Therapy or Salvage Radiation Therapy for the Treatment of Prostate Cancer, DIVINE Trial"; n 532; "Modified radiographic progression-free survival (mrPFS) (Groups A & B)"; 2031-02-28

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

Which running trial of Histrelin could settle lifespan?


NCT06378866 measures Modified radiographic progression-free survival (mrPFS) (Groups A & B), reading out 2031-02-28.

3 open trials; n 532; "Stereotactic Body Radiation Therapy Plus Immediate or Delayed Androgen Receptor Pathway Inhibitor and Androgen Deprivation Therapy or Salvage Radiation Therapy for the Treatment of Prostate Cancer,…"

Show the evidence

Trial

  • NCT06378866
    "Stereotactic Body Radiation Therapy Plus Immediate or Delayed Androgen Receptor Pathway Inhibitor and Androgen Deprivation Therapy or Salvage Radiation Therapy for the Treatment of Prostate Cancer, DIVINE Trial"; n 532; "Modified radiographic progression-free survival (mrPFS) (Groups A & B)"; 2031-02-28
  • NCT03678025
    "Standard Systemic Therapy With or Without Definitive Treatment in Treating Participants With Metastatic Prostate Cancer"; n 1273; "Overall survival (OS)"; 2031-10-01
  • NCT04513717
    "Two Studies for Patients With High Risk Prostate Cancer Testing Less Intense Treatment for Patients With a Low Gene Risk Score and Testing a More Intense Treatment for Patients With a High Gene Risk Score, The PREDICT-RT Trial"; n 2753; "Metastasis-free survival (MFS)"; 2038-12-31

Which 3 trials of Histrelin posted no result?


Posted no result
3 of 3 completed trials
Registrations
NCT01394263, NCT01697384 and NCT01013025
Completion dates
oldest 2003-12; newest 2007-06
Show the evidence

Trial

  • NCT01394263
    2003-12
  • NCT01697384
    2004-10
  • NCT01013025
    2007-06

At the median, Histrelin's trials enrolled 78 people — anything larger?


Median enrolment
78
Largest enrolment
2753
Registered trials counted
11

What do 192 spontaneous reports say about Histrelin — and not say?


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

Histrelin appears in spontaneous reports to regulators. Across the 10 most-reported reaction terms, 192 reaction mentions were counted: procedural complication 60; implant site rash 24; rash 24; rash pruritic 14. open-targets-adr · CHEMBL1200509 · 2026-06-24

Show the evidence
  • procedural complication
    60
  • implant site rash
    24
  • rash
    24
  • rash pruritic
    14
  • implant site pain
    13
  • weight increased
    13
4 more recorded rows
  • nocturia
    12
  • implant site infection
    11
  • urinary hesitation
    11
  • breast enlargement
    10

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

Where it is registered
Identifiers, relations and other names

The exact record

ChEMBL id
CHEMBL1200509
PubChem CID
56927879
CAS number
220810-26-4
RxCUI
1294622
InChIKey
HHXHVIJIIXKSOE-QILQGKCVSA-N
Also called
HISTRELIN ACETATE, Histrelina, Histreline, 5-OXO-L-PROLYL-L-HISTIDYL-L-TRYPTOPHYL-L-SERYL-L-TYROSYL-NT-BENZYL-D-HISTIDYL-L-LEUCYL-L-ARGINYL-N-ETHYL-L-PROLINAMIDE, HISTRELIN [HSDB], HISTRELIN [MART.], HISTRELIN [MI], HISTRELIN [USAN], HISTRELIN [VANDF], Histrelin [WHO-DD], LUTEINIZING HORMONE-RELEASING FACTOR (PIG), 6-(1-(PHENYLMETHYL)-D-HISTIDINE)-9-(N-ETHYL-L-PROLINAMIDE)-10-DEGLYCINAMIDE-
Trade name
Supprelin, Supprelin la, Vantas, Supprelin / Vantas
Development code
ORF 17070, ORF 17070RWJ 17070, RWJ 17070
Sources (6)

Sources

ClinicalTrials.gov — US Government work · Europe PMC — metadata only, under the recorded legal gate · Open Targets 26.06 — CC0 · 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: 5 required field(s) not terminal: Why people use it, Best-supported result, Most important common problem, Biggest unanswered question, Human evidence
  • public claims reviewed: 0 reviewed claim(s); drafts are never rendered
  • source coverage passed: 6 source rows
  • no critical contamination: no quarantine open
  • canonical metadata passed: slug and display name present
  • no raw internal fields: enforced by the copy-contract test over the rendered page

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