This page shows what was measured, who it was measured in, and what that does not settle.
What Ganirelix does in the body
At midcycle, a large increase in GnRH release results in an LH surge.
From the FDA-approved label: The pulsatile release of GnRH stimulates the synthesis and secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH). The frequency of LH pulses in the mid and late follicular phase is approximately 1 pulse per hour. These pulses can be detected as transient rises in serum LH. The midcycle LH surge initiates several physiologic actions including: ovulation, resumption of meiosis in the oocyte, and luteinization. Luteinization results in a rise in serum progesterone with an accompanying decrease in estradiol levels.
Why people take it. The inhibition of premature LH surges
What happened in people
RNAWiki has not yet published a reviewed conclusion for this use.
§ A fixed RNAWiki sentence
Where this came from
Wording RNAWiki always uses, not a finding about this substance.
No reviewed claim names a result for any goal on this record.
No source is stored against this line.
The limit that matters most
Not recorded.
Where it acts
Not recorded.
Kind of result
No result is published, so no kind of result applies yet
Supervision
Professional supervision is normally required. A regulator classifies this substance in a way that restricts how it is supplied.
What the registries record it as
The substance registry classes this as chemical.
FDA substance registry · IX503L9WN0 · read 2026-08-29
Where each sentence above came from
A person wrote this explanation into the record, with the studies named in the path below.
The recorded use, written for a reader without medical training. Not signed off.
No statement of the main limit is recorded.
The four opening statements run to 114 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 people◇Read 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 31 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.
Goal
Life outcome
What a body can do
How a person feels
A test result
A step in the body
Harms
How long
Who was studied
Fertility and sexual health
∅Nothing 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.
∅Nothing in the sources checkedNo registered study lists a symptom measure for this goal.
△Only a number moved1 registered test measure.
∅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
average blood testosterone concentration
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.
△ Only a number moved
1 registered test measure.
— Not recorded
Harms were not a registered measure for this goal.
… Waiting for a reviewer
Who was studied is listed further down the page.
What happened in people◇Read 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.
Percentage of Participants With an Ongoing Pregnancy (Ongoing Pregnancy Rate)
✗ The study did not show it
Who was studied
NCT00696800
How many people
1509
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
Frequency of Ovarian Hyperstimulation Syndrome (OHSS)
✗ The study did not show it
Who was studied
NCT00756028
How many people
1099
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. 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
Live birth rate
✗ The study did not show it
Who was studied
NCT02912988
How many people
900
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
live birth rate
✗ The study did not show it
Who was studied
NCT04414761
How many people
784
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
Ongoing pregnancy rate after the first embryo transfer
✗ The study did not show it
Who was studied
NCT05847283
How many people
730
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. 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
The number of oocytes retrieved by the IVG 36 hours after hCG administration
✗ The study did not show it
Who was studied
NCT03300518
How many people
552
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. 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 people◇Read 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.
□Living longer, or avoiding a major eventNo evidence recorded. Death, a heart attack, a stroke, a hospital stay.No registered study measures this.
□What a body can do day to dayNo evidence recorded. Walking, dressing, breathing, recovering.No registered study measures this.
□Measured performanceNo evidence recorded. How much was lifted, how far was run, how fast.No registered study measures this.
□Symptoms and quality of lifeNo evidence recorded. Pain, tiredness, mood, sleep, as the person rated it.No registered study measures this.
■A number that stands in for healthEvidence recorded. Cholesterol, blood sugar, bone density. A stand-in, not the thing itself.3 registered measures of this kind.
■A step measured inside a personEvidence recorded. Something measured in human tissue or human cells.A human record sits on the stored organism ladder.
□AnimalsNo evidence recorded. Mice, rats, dogs. Useful for ideas, not proof about people.No animal record is stored.
□Cells in a dishNo evidence recorded. Cells or chemistry on a bench, far from a whole body.No cell or bench record is stored.
□A guess from softwareNo 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 take◇Read 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.
average blood cortisol concentration
average blood testosterone concentration
serum lh levels
Meaningful
Things that change how a life goes, not only a number.
No registered study measured anything of this kind.
A registered study says what someone planned to measure. It does not say what they found. A number moving is not the same as a life going better. The two are shown apart here.
Felt, but not shown to help. A person notices a change. No study showed it leads anywhere good.
Measured, but not felt. A number moves. The person notices nothing. Both can be true.
Measured, but not shown to matter. A number moves in the good direction. Nobody showed that lives went better.
Matters, but takes years. The result that counts may take longer than anyone would keep watching.
Names that fit none of the three (28)
oocytes retrieved for ivf
without premature luteinizing hormone surge
ongoing pregnancy rate per embryo transfer
development of ohss
pregnancy rates
endothelial function
an ongoing pregnancy
oocytes retrieved
mothers in current follow up trial experiencing serious aes
infants born in current follow up trial experiencing aes
infants in current follow up trial experiencing saes
pregnancy rate
ongoing pregnancy at week 8
orthostatic tolerance
baroreceptor function
skin microvascular responses
serious adverse events
endometrial thickness measured by ultrasound
cumulus oocyte complexes retrieved during oocyte pick up
ongoing pregnancy
These are harms, study-process measures, or names the rules did not recognise. They are shown rather than dropped.
What is missing or unclear◇Read 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.
Ganirelix Acetate Injection is indicated for the inhibition of premature LH surges in women undergoing controlled ovarian hyperstimulation.
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 older people, the label states: “Clinical studies with Ganirelix Acetate Injection did not include a sufficient number of subjects aged 65 and over.”
US prescribing information · 9c286f64-8039-44ec-8fdd-d1a2f52b4c3c · read 2026-08-30
On people who are pregnant, the label states: “Ganirelix Acetate Injection is contraindicated in pregnant women.”
US prescribing information · 9c286f64-8039-44ec-8fdd-d1a2f52b4c3c · read 2026-08-30
On people who are breastfeeding, the label states: “Ganirelix Acetate Injection should not be used by lactating women.”
US prescribing information · 9c286f64-8039-44ec-8fdd-d1a2f52b4c3c · 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 take◇Read 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 take◇Read 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
Professional supervision is normally required. A regulator classifies this substance in a way that restricts how it is supplied.
❝ Quoted from a source
Where this came from
Copied from a source RNAWiki stored, with the source named.
Suppression classes recorded: S1.
No source is stored against this line.
What is in the pack
Sold as injectable, injection, solution, injection, 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 take∅Nothing 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.
Ganirelix appears in spontaneous reports to regulators. Across the 10 most-reported reaction terms, 793 reaction mentions were counted. One report can name several reactions.
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 unclear◇Read 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
16 products list this as an active ingredient in the United States drug directory. 16 of them contain it and nothing else.
FDA National Drug Code directory · 42973-325 · read 2026-08-29
They are sold as injection, injection, solution and powder, taken subcutaneous.
FDA National Drug Code directory · 42973-325 · read 2026-08-29
The regulator's established pharmacologic class for it is decreased gnrh secretion [pe], gonadotropin releasing hormone receptor antagonist [epc] and gonadotropin releasing hormone receptor antagonists [moa].
FDA National Drug Code directory · 42973-325 · read 2026-08-29
10 published labels name it as an active ingredient. 10 of them describe this substance alone, which is where its own label text on this page comes from.
US prescribing information · 1f067dfb-f9c7-4020-ab7b-da2ba695ab32 · read 2026-08-29
Those labels are classed as human prescription drug.
US prescribing information · 1f067dfb-f9c7-4020-ab7b-da2ba695ab32 · read 2026-08-29
Ganirelix Acetate is subcutaneous at HOW SUPPLIED Ganirelix Acetate Injection is supplied in: Disposable, ready for use, single dose, sterile, prefilled 1 mL glass syringes containing 250 mcg/0.5 mL aqueous solution of Ganirelix Acetate closed with a rubbe…, recorded as fda label in effect 2022-04-19 in the United States.
US prescribing information · 9c286f64-8039-44ec-8fdd-d1a2f52b4c3c · 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 take◇Read 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 Ganirelix 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 unclear◇Read 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 Ganirelix 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 people◇Read 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.
How many documents were read
10 documents were read for this substance.
RNAWiki source record
10 of them state the same proteinBinding, and they agree.
RNAWiki source record
Where else this substance is registered
FDA substance identifier (UNII)
IX503L9WN0
CAS registry number
124904-93-4
PubChem compound
16130957
ChEMBL
CHEMBL1251
WHO international nonproprietary name list entry
6830
RxNorm concept
35825
EMA substance identifier
100000085437
DrugBank
DB06785
Checks this page had to pass
✓ Passed
Identity resolved
no open identity hold
✓ Passed
No unresolved merge across substance families
no quarantine open
✓ Passed
Every public sentence names a source
The opening statement carries the origin: Written into the record, not signed off.
✗ Not passed
Trial roles classified for highlighted evidence
No registered study is classified as testing this substance.
✓ Passed
No internal keys in reader text
enforced by the copy-contract test over the rendered page
✓ Passed
Safety mode resolved
Suppression classes recorded: S1.
✓ Passed
Canonical metadata present
slug and display name present
What is missing or unclear◇Read 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
8 approved applications cover products containing this substance. The earliest was NDA021057, approved 19990729 to ORGANON USA ORGANON.
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 (9)
Q2
What did Ganirelix's largest trial (2066 people) and its longest (9.1 years) measure?
2066 people in Ganirelix's largest registered study, 9.1 years in its longest registered window, measuring Average Blood Cortisol Concentration. ClinicalTrials.gov · 2026-09-01
20 phase4, 9 na, 9 phase3, 5 na or unstated, 4 early phase1, 4 phase2, 2 phase1; NCT03142893; 2026-06-30. Last human test completed 2025, NCT05954962.
Interpretation These counts include studies where Ganirelix 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
phase4
20
na
9
phase3
9
na or unstated
5
early phase1
4
phase2
4
2 more recorded rows
phase1
2
Last recorded human testNCT05954962
2025-08-30
recorded 2026-09-01 · last checked 2026-09-04
Q3
Ganirelix was tested only in human — what did it show?
"Inclusion of the study didn't go as fast as expected. Expect: 234 patients in 1 year in 2 centers. After 1,5 year only 147 patients were recruited."; 4 of 52 registered studies
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Trial
NCT00823472
terminated; "Inclusion of the study didn't go as fast as expected. Expect: 234 patients in 1 year in 2 centers. After 1,5 year only 147 patients were recruited."
NCT00826839
withdrawn; "poor enrollment"
NCT00866008
terminated; "Due to a very slow inclusion rate."
NCT01614067
terminated; "Slow enrollment resulted in withdraw of funding"
recorded 2026-09-01 · last checked 2026-09-04
Q5
Human studies of Ganirelix used Ganirelix 0.25mg (Orgalutran, Organon, The Netherlands) — over how long?
3 recorded entries; human; also "Ganirelix 0.25mg (Orgalutran, Organon, The Netherlands)", "the investigators will administer in the 13th-15th cycle day simultaneously 0.25 mg/day of ganirelix", "Ganirelix 0.25 mg."
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human
NCT00417066
Ganirelix 0.25mg (Orgalutran, Organon, The Netherlands)
NCT01645241
the investigators will administer in the 13th-15th cycle day simultaneously 0.25 mg/day of ganirelix
NCT02118051
Ganirelix 0.25 mg.
recorded 2026-09-01 · last checked 2026-09-04
Q6
Which of an ongoing pregnancy, average blood cortisol concentration and average blood testosterone concentration did Ganirelix's trials measure?
an ongoing pregnancy, average blood cortisol concentration and average blood testosterone concentration lead 31 outcome terms across Ganirelix's trials. ClinicalTrials.gov · 2026-09-01
Interpretation development of ohss, pregnancy rates, endothelial function, an ongoing pregnancy, oocytes retrieved and mothers in current follow up trial experiencing serious aes follow.
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oocytes retrieved for ivf
1
without premature luteinizing hormone surge
1
ongoing pregnancy rate per embryo transfer
1
development of ohss
1
pregnancy rates
1
endothelial function
1
14 more recorded rows
an ongoing pregnancy
1
oocytes retrieved
1
mothers in current follow up trial experiencing serious aes
1
infants born in current follow up trial experiencing aes
1
infants in current follow up trial experiencing saes
1
pregnancy rate
1
ongoing pregnancy at week 8
1
orthostatic tolerance
1
baroreceptor function
1
skin microvascular responses
1
serious adverse events
1
endometrial thickness measured by ultrasound
1
cumulus oocyte complexes retrieved during oocyte pick up
1
ongoing pregnancy
1
recorded 2026-09-01 · last checked 2026-09-04
Q7
Which of Ganirelix's 5 ongoing trials reports first?
Average Blood Cortisol Concentration; Treatment-related quality of life and patient satisfaction after comparing two different ovulation stimulation cycles; latest 2027-12-31
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Trial
NCT03142893
"Hormonal Mechanisms of Sleep Restriction - Axis Study"; n 80; "Average Blood Cortisol Concentration"; 2026-06-30
NCT04037605
"Hormonal Mechanisms of Sleep Restriction - Axis Study in Older Men and Postmenopausal Women"; n 5; "Average Blood Cortisol Concentration"; 2026-06-24
NCT06175832
"PPOS (Progestin Primed Ovarian Stimulation) and Corifollitropin Alfa (CFA) Cross-over Study"; n 60; "Treatment-related quality of life and patient satisfaction after comparing two different ovulation stimulation cycles"; 2027-12-31
NCT06637189
"Protocol with Progestin-primed Ovarian Stimulation (PPOS) from the Beginning of Stimulation Versus Protocol with GnRH Antagonists for Ovarian Stimulation in Patients Undergoing DUOSTIM with Embryo Accumulation for PGT-A."; n 144; "Number of Euploid Embryos"; 2025-12-31
NCT06745466
"Disentangling the Effects of Daily Stress, Sleep, and Sex Hormones on Accelerated Vascular Aging in Midlife Women"; n 30; "Endothelium-dependent dilation (EDD)"; 2027-10
recorded 2026-09-01 · last checked 2026-09-04
Q8
Which 26 trials of Ganirelix posted no result?
Posted no result
26 of 26 completed trials
Registrations
NCT00702806, NCT00988260, NCT00298025, NCT00724789, NCT00417066 and NCT00461422, and 20 more
Completion dates
oldest 2002-10-15; newest 2024-01-29
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Trial
NCT00702806
2002-10-15
NCT00988260
2004-04-12
NCT00298025
2004-05
NCT00724789
2005-11
NCT00417066
2006-07
NCT00461422
2007-06
14 further recorded trials
NCT01304511
2007-12
NCT00225433
2008-06
NCT00823004
2009-10
NCT00589134
2009-12
NCT00734279
2010-12
NCT00780858
2011-03
NCT01286051
2012-09
NCT00757185
2012-12
NCT01645241
2013-12
NCT01669291
2014-05
NCT01816321
2016-05
NCT02069808
2017-03-08
NCT02118051
2017-06
NCT02796105
2017-07-10
Q9
At the median, Ganirelix's trials enrolled 145.5 people — anything larger?
Median enrolment
145.5
Largest enrolment
2066
Registered trials counted
52
Q10
What do 793 spontaneous reports say about Ganirelix — 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.
Ganirelix appears in spontaneous reports to regulators. Across the 10 most-reported reaction terms, 793 reaction mentions were counted: ovarian hyperstimulation syndrome 401; ascites 154; dyspnoea 48; abdominal pain 38. open-targets-adr · CHEMBL1251 · 2026-06-24
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ovarian hyperstimulation syndrome
401
ascites
154
dyspnoea
48
abdominal pain
38
pleural effusion
37
peritoneal haemorrhage
26
4 more recorded rows
ovarian haemorrhage
24
premature ovulation
24
abortion spontaneous
22
abdominal distension
19
recorded 2026-06-24 · last checked 2026-09-04
Where it is registeredIdentifiers, relations and other names
ChEMBL ATC CC BY-SA · 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 · openFDA / DailyMed — US Government work
✗ 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: 7 source rows
✓ no critical contamination: no quarantine open
✓ canonical metadata passed: slug and display name present
✓ no raw internal fields: enforced by the copy-contract test over the rendered page
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