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Parathyroid hormone

  • Biologic
  • 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 Parathyroid hormone does in the body

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

What happened in people

RNAWiki has not yet published a reviewed conclusion for this use.

A fixed RNAWiki sentence

Where this came from

Wording RNAWiki always uses, not a finding about this substance.

No reviewed claim names a result for any goal on this record.

No source is stored against this line.

The limit that matters most

Not recorded.

Where it acts
Not recorded.
Kind of result
No result is published, so no kind of result applies yet
Supervision
RNAWiki has not recorded a supervision or regulatory status for this substance.

What the registries record it as

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

    FDA substance registry · T825UB636S · read 2026-08-29

Where each sentence above came from

No plain explanation of what this changes is stored.

No recorded use is stored in reader language.

No statement of the main limit is recorded.

The four opening statements run to 26 words.

Words this page uses

Four words worth knowing first

Chosen from what this page shows, with each one explained before the word it depends on.

Protein

A protein is a folded chain your body builds to do a specific job.

A picture of it, and where the picture fails

A protein is like a tool bent into one shape for one task.

Where that stops being true. A tool keeps its shape. A protein can change shape and stop working.

What people get wrong. Protein in food and a protein in the body are related but not the same thing.

A polymer of amino acids folded into a defined structure that determines its function.

Enzyme

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

A picture of it, and where the picture fails

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

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

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

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

Receptor

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

A picture of it, and where the picture fails

A receptor is like a lock waiting for one key.

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

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

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

Pathway

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

A picture of it, and where the picture fails

A pathway is like a row of dominoes.

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

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

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

What happened in peopleRead from sources, not yet reviewed

What 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.

Annual Nephrology Evaluation

The study did not show it

Who was studied
NCT01203813
How many people
10000
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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

All-cause death

The study did not show it

Who was studied
NCT01798680
How many people
4000
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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Time to Primary Composite Endpoint (All-cause Mortality, Myocardial Infarction, Hospitalization for Unstable Angina, Heart Failure or Peripheral Vascular Event)

The study did not show it

Who was studied
NCT00345839
How many people
3883
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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Compare effects of 18 months of treatment with ALX1-11/placebo on the incidence of new and/or worsened thoracic and lumbar vertebral fractures in postmenopausal women with osteoporosis receiving calcium and vitamin D3 supplements

The study did not show it

Who was studied
NCT00172081
How many people
2532
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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

The main study:The incidence of new vertebral fractures

The study did not show it

Who was studied
NCT05866029
How many people
2478
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
  • FDA label (openFDA SPL) · a recorded source, not a stored snapshot

Number of Participants With New Vertebral Fractures at 18 Months

The study did not show it

Who was studied
NCT01343004
How many people
2463
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
  • 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.0 registered measures of this kind. 1 written-up study 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 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 Evidence recorded. Mice, rats, dogs. Useful for ideas, not proof about people.Stored records in Mouse, Rat, Dog. A result in animals says what to test next. It does not say what happens in people.
  8. Cells in a dish Evidence recorded. Cells or chemistry on a bench, far from a whole body.Stored mechanism abstracts describe steps measured in cells or tissue.
  9. A guess from software No evidence recorded. Nobody measured it. RNAWiki never publishes one as a finding.RNAWiki stores no prediction for this record. Software can suggest a link. RNAWiki does not publish one as a finding.

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

What 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.

  • Temporarily relieves discomfort caused by kidney issues, including occasional mild to severe aches, urinary obstruction, intense nausea with or without vomiting, and inability to completely empty the bladder. Label footnote: Claims based on traditional homeopathic practice, not accepted medical evidence, not FDA evaluated. This product is not intended to diagnose, treat, cure, or prevent any disease.

Who is missing from the studies

  • Which groups were under-represented in the studies has not been recorded for this substance. Pregnancy, breastfeeding, children, older adults, and people with liver or kidney conditions are commonly excluded from trials; nothing here says whether they were.

Where the result stopped carrying

  • This is a scope explorer, not a diagnosis engine.
  • It shows who was studied so you can see whether people similar to you were included.

RNAWiki cannot tell whether a study fits you. It can show who was in it.

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

Why it might seem to do nothing

A real effect and a noticed effect are different things. These are the recorded reasons the two come apart.

It was studied for a different goal

The studies measured something else entirely.

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

It was studied in different people

The people in the studies were not much like the reader.

On this record: Which groups were under-represented in the studies has not been recorded for this substance. Pregnancy, breastfeeding, children, older adults, and people with liver or kidney conditions are commonly excluded from trials; nothing here says whether they were.

The evidence may simply be wrong

Small early studies often do not hold up.

On this record: RNAWiki has not yet published a reviewed conclusion for this use.

Other reasons RNAWiki checked and found nothing for (10)
A different form was studied
The studied form is not the form on the shelf. Nothing in this record points to this reason.
There was nothing to correct
Where a level is already normal, topping it up may change nothing. Nothing in this record points to this reason.
Something else had to happen too
In the studies it was paired with training, a diet or another treatment. Nothing in this record points to this reason.
The change is too small to feel
A real change can still sit below what a person notices. Nothing in this record points to this reason.
Day-to-day swing hides it
Sleep, food, stress and time of day move most numbers more than this would. Nothing in this record points to this reason.
Not enough time yet
The studies ran longer than the person has waited. Nothing in this record points to this reason.
It was not taken as studied
Missed days change the result, and studies count them. Nothing in this record points to this reason.
Something else changed at the same time
Two changes at once cannot be told apart afterwards. Nothing in this record points to this reason.
The product may not be what it says
Contents of a sold product are not always what the label states. Nothing in this record points to this reason.
No recorded reason
RNAWiki has nothing stored that would explain it. Nothing in this record points to this reason.

None of these is a reason to take more. Taking more is not a step this page ever suggests.

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

What taking it involves

The recorded facts about getting hold of it and using it. Nothing here is a suggestion about what you should do.

How it is supplied

Prescription only

Quoted from a source

Where this came from

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

Read from the recorded approval status.

No source is stored against this line.

Form and route

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, liquid, given by the injection, oral route.

Source-linked record

Where this came from

A person wrote this into the record with the study named beside it. No reviewer has signed it off.

Recorded notes on how this is sold and what that means for what is in the pack.

No source is stored against this line.

Where it is registered

Regulatory records are listed in the technical disclosure at the foot of this page.

Counted from records

Where this came from

A count of rows RNAWiki holds. It describes our records, not your body.

Register entries are stored per jurisdiction and shown with their dates.

No source is stored against this line.

Why people stop

Not recorded.

Nothing recorded

Where this came from

RNAWiki holds nothing here and says so rather than guessing.

No record of why people stopped taking it is stored for this substance.

No source is stored against this line.

What it would be like to takeNothing found in the sources checked

What can go wrong

Sorted by where each line came from. A regulator's label and a report somebody sent in are not the same kind of fact.

Nothing found in the sources checked

No harm is recorded against this substance in the sources RNAWiki checked. Finding nothing is not the same as showing there is nothing.

The sources listed were searched and held nothing. That is not the same as nothing existing.

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.

Parathyroid hormone appears in spontaneous reports to regulators. Across the 10 most-reported reaction terms, 8237 reaction mentions were counted. One report can name several reactions.

The recorded terms (10)
  • fall — 1616 reaction mentions
  • dizziness — 1201 reaction mentions
  • arthralgia — 1098 reaction mentions
  • pain in extremity — 884 reaction mentions
  • back pain — 722 reaction mentions
  • muscle spasms — 679 reaction mentions
  • bone pain — 602 reaction mentions
  • hospitalisation — 530 reaction mentions
  • pharmaceutical product complaint — 486 reaction mentions
  • hip fracture — 419 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

  • 5 products list this as an active ingredient in the United States drug directory. 1 of them contain it and nothing else.

    FDA National Drug Code directory · 75053-0009 · read 2026-08-29

  • They are sold as liquid, taken oral.

    FDA National Drug Code directory · 75053-0009 · read 2026-08-29

  • 4 published labels name it as an active ingredient. None of them describes this substance alone, so no label text on this page can be attributed to it rather than to a combination.

    US prescribing information · bd13617a-c470-4421-8f47-43a98036f40b · read 2026-08-29

  • Those labels are classed as human otc drug.

    US prescribing information · bd13617a-c470-4421-8f47-43a98036f40b · read 2026-08-29

  • 2361 marketed supplement labels list this ingredient, classed as botanical, non-nutrient/non-botanical and other combinations.

    NIH Dietary Supplement Label Database · 209893 · read 2026-08-29

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

    NIH Dietary Supplement Label Database · 209893 · read 2026-08-29

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

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

What you could measure

This one is decided with a clinician, so this section holds questions to ask rather than a plan to run.

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

Questions worth asking

  • Which of the trials of Parathyroid hormone 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 Parathyroid hormone are recorded. Results from one form may not transfer to another.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

Mechanism not reviewed

No reviewed mechanism story exists for this substance.

Why it matters. Recorded by the evidence model as a gap on this record.

What would answer it

A study that measures it, and a reviewer to sign it off.

Last checked 2026-09-04. Searched: The sources listed in the receipts at the foot of this page.

What happened in peopleNothing found in the sources checked

Check any of this yourself

Every line above traced back to the study it came from. This is the technical layer, and the vocabulary changes here.

Nothing found in the sources checked

No traced study record is stored for this substance.

The sources listed were searched and held nothing. That is not the same as nothing existing.

Checks this page had to pass

  • Passed

    Identity resolved

    no open identity hold

  • Passed

    No unresolved merge across substance families

    no quarantine open

  • Not passed

    Every public sentence names a source

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

  • Not passed

    Trial roles classified for highlighted evidence

    No registered study is classified as testing this substance.

  • Passed

    No internal keys in reader text

    enforced by the copy-contract test over the rendered page

  • Not passed

    Safety mode resolved

    No register row and no identity class settled the question.

  • Passed

    Canonical metadata present

    slug and display name present

What is missing or unclearRead from sources, not yet reviewed

How this medicine reached us

Kept near the foot of the page. A historical event moves up only when it changes something about this substance today.

What the approval register records

  • 1 approved application covers products containing this substance. The earliest was BLA125511, approved 20150123 to NPS PHARMS INC.

    Drugs@FDA application register · BLA125511 · read 2026-08-29

  • Marketing status on the register: prescription.

    Drugs@FDA application register · BLA125511 · read 2026-08-29

  • The earliest marketing start date recorded for a listed product is 20141031.

    FDA National Drug Code directory · 75053-0009 · 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 (12)

What did Parathyroid hormone's largest trial (2532 people) and its longest (19 years) measure?


2532 people in Parathyroid hormone's largest registered study, 19 years in its longest registered window, measuring The change in parathyroid hormone serum concentration during regional citrate anticoagulation continuous renal replacement therapy (CRRT) in the acute phase of critical illness. ClinicalTrials.gov · 2026-09-01

12 phase3, 10 phase2, 4 na or unstated, 4 phase4, 3 phase1, 2 early phase1; NCT00005006; 2006-12; no ageing endpoint recorded. Last human test completed 2023, NCT05275491.

Interpretation These counts include studies where Parathyroid hormone 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
    12
  • phase2
    10
  • na or unstated
    4
  • phase4
    4
  • phase1
    3
  • early phase1
    2
1 more recorded row
  • Last recorded human test NCT05275491
    2023-02-01

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

From mouse to human: where has Parathyroid hormone shown lifespan?


mouse: mechanism-only, rat: biomarker, dog: lifespan and human: biomarker (33): the rungs where Parathyroid hormone has a recorded finding. Europe PMC and ClinicalTrials.gov · organism ladder · 2026-09-01

Interpretation The change in parathyroid hormone serum concentration during regional citrate anticoagulation continuous renal replacement therapy (CRRT) in the acute phase of… — the recorded outcome words.

Yeast C. elegans Drosophila Mouse mechanism-onlyRat biomarkerDog lifespanNon-human primate Human biomarker
Show the evidence
  • mouse
    mechanism-only
  • rat
    biomarker
  • dog
    lifespan
  • human NCT03873675
    biomarker; The change in parathyroid hormone serum concentration during regional citrate anticoagulation continuous renal replacement therapy (CRRT) in the acute phase of critical illness.; 33

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

3 of Parathyroid hormone's trials stopped: safety, accrual/recruitment?


safety (1) and accrual/recruitment (2): Parathyroid hormone's stop wording, clustered. ClinicalTrials.gov · 2026-09-01

"Study stopped because of toxicity concerns."; 3 of 33 registered studies

Show the evidence

Trial

  • NCT00393380
    terminated; "Study stopped because of toxicity concerns."
  • NCT00623974
    terminated; "Terminated due to slow accrual."
  • NCT00713258
    terminated; "Slow enrolment"

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

Human studies of Parathyroid hormone used ALX1-11 50 mcg — over how long?


Human studies of Parathyroid hormone used "ALX1-11 50 mcg". ClinicalTrials.gov · 2026-09-01

2 recorded entries; human; also "ALX1-11 75mcg"

Show the evidence

human

  • NCT00172107
    ALX1-11 50 mcg
  • NCT00172107
    ALX1-11 75mcg

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

More Parathyroid hormone was worse in human: at what point?


U-shaped in human: "However, there is conflicting evidence as to whether parathyroid hormone (PTH) levels are associated with fracture risk and whether the relationship is linear or U-shaped." Europe PMC · dose-response search · 2026-07-28

5 recorded sentences naming Parathyroid hormone; U-shaped, biphasic, dose response, dose-response

Show the evidence

U-shaped

  • PMID 39430172
    "However, there is conflicting evidence as to whether parathyroid hormone (PTH) levels are associated with fracture risk and whether the relationship is linear or U-shaped."
  • PMID 31728605
    "Parathyroid hormone had a U-shaped association with vertebral fracture risk."
  • biphasic PMID 42582381
    "Severe hypocalcemic tetany on postoperative day 1, followed by a characteristic biphasic parathyroid hormone (PTH) response, provided key diagnostic clues and ultimately led to a pathological diagnosis of parathyroid lipoadenoma."
  • dose response PMID 41378845
    "The aim of this study was to determine the differential dose response of parathyroid hormone (PTH) and fibroblast growth factor (FGF23) to paricalcitol in patients with secondary hyperparathyroidism and end-stage renal failure on chronic intermittent hemodialysis."
  • dose-response PMID 38172768
    "Despite an increase in parathyroid hormone (PTH) has been reported to be associated with a higher risk of hypertension and type 2 diabetes (T2D), the comprehensive evaluation of the dose-response relationship between PTH and hypertension and T2D remains ambiguous."

recorded 2026-07-28 · last checked 2026-09-04

Could one person measure Parathyroid hormone's effect on dose limiting toxicity?


Dose limiting toxicity: measured in Parathyroid hormone's trials.

Interpretation dose limiting toxicity is the recorded endpoint.

Show the evidence

biomarkers

  • dose limiting toxicity; 2026-09-01
  • time to neutrophil engraftment; 2026-09-01
  • requirements for calcium supplementation; 2026-09-01
  • success; 2026-09-01
  • procallagen 1 amino terminal peptide; 2026-09-01
  • carboxy terminal telopeptides of collagen 1; 2026-09-01
2 more recorded rows
  • biomarkers
    suv max on pet/ct scan at 12 months; 2026-09-01
  • biomarkers
    overall preference; 2026-09-01
  • human trials at or under30
    10
  • Not recorded for this substance
    a recorded half-life
  • smallest human trial
    0; NCT01333267; PHASE1; the smallest recorded human enrolment at or below 30; the registry states no direction of its result; WITHDRAWN

Which of carboxy terminal telopeptides of collagen 1, dose limiting toxicity and overall preference did Parathyroid hormone's trials measure?


carboxy terminal telopeptides of collagen 1, dose limiting toxicity and overall preference lead 8 outcome terms across Parathyroid hormone's trials. ClinicalTrials.gov · 2026-09-01

success, procallagen 1 amino terminal peptide, carboxy terminal telopeptides of collagen 1, suv max on pet/ct scan at 12 months and overall preference follow.

Show the evidence
  • dose limiting toxicity
    1
  • time to neutrophil engraftment
    1
  • requirements for calcium supplementation
    1
  • success
    1
  • procallagen 1 amino terminal peptide
    1
  • carboxy terminal telopeptides of collagen 1
    1
2 more recorded rows
  • suv max on pet/ct scan at 12 months
    1
  • overall preference
    1

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

Which 15 trials of Parathyroid hormone posted no result?


Posted no result
15 of 15 completed trials
Registrations
NCT00172107, NCT00004993, NCT00172081, NCT00007306, NCT00172133 and NCT00000427, and 9 more
Completion dates
oldest 1997-03-24; newest 2023-02-01
Show the evidence

Trial

  • NCT00172107
    1997-03-24
  • NCT00004993
    2001-08
  • NCT00172081
    2003-11-07
  • NCT00007306
    2005-04
  • NCT00172133
    2005-04-13
  • NCT00000427
    2005-10
9 further recorded trials
  • NCT00172120
    2006-10-27
  • NCT00005006
    2006-12
  • NCT00515593
    2008-07
  • NCT00730210
    2010-08
  • NCT00583518
    2012-02
  • NCT01466829
    2014-03
  • NCT02478879
    2015-12
  • NCT03873675
    2020-11-01
  • NCT05275491
    2023-02-01

At the median, Parathyroid hormone's trials enrolled 64 people — anything larger?


Median enrolment
64
Largest enrolment
2532
Registered trials counted
32

What do 8237 spontaneous reports say about Parathyroid hormone — 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.

Parathyroid hormone appears in spontaneous reports to regulators. Across the 10 most-reported reaction terms, 8237 reaction mentions were counted: fall 1616; dizziness 1201; arthralgia 1098; pain in extremity 884. open-targets-adr · CHEMBL2108078 · 2026-06-24

Show the evidence
  • fall
    1616
  • dizziness
    1201
  • arthralgia
    1098
  • pain in extremity
    884
  • back pain
    722
  • muscle spasms
    679
4 more recorded rows
  • bone pain
    602
  • hospitalisation
    530
  • pharmaceutical product complaint
    486
  • hip fracture
    419

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

Was Parathyroid hormone studied with exercise?


exercise is named in Parathyroid hormone's label sentences: "Registered trial name: The Effect of Intradialytic Exercise on Calcium, Phosphorous and Parathyroid Hormone: A Randomized Controlled Trial." openfda-label+europepmc · 2023-09-20

1 recorded statement; exercise

Show the evidence
  • exercise
    Registered trial name: The Effect of Intradialytic Exercise on Calcium, Phosphorous and Parathyroid Hormone: A Randomized Controlled Trial.

recorded 2023-09-20 · last checked 2026-09-04

What is recorded about Parathyroid hormone and AMPK?


"Context-dependent modules including Wnt/β-catenin, transforming growth factor-β and bone morphogenetic protein (TGF-β and BMP), Indian hedgehog and parathyroid hormone-related protein (IHH and PTHrP), hypoxia-inducible factor 1α and hypoxia-inducible factor 2α (HIF-1α and HIF-2α), Notch, nuclear factor κB (NF-κB), and metabolic…" — where Parathyroid hormone and AMPK appear together. Europe PMC · pathway abstract search · 2026-05-28

AMPK, mTOR, sirtuin, autophagy, IGF-1; PMID 41967814, 42199077, 36858962, 41806480

Show the evidence
  • AMPK PMID 41967814
    "Context-dependent modules including Wnt/β-catenin, transforming growth factor-β and bone morphogenetic protein (TGF-β and BMP), Indian hedgehog and parathyroid hormone-related protein (IHH and PTHrP), hypoxia-inducible factor 1α and hypoxia-inducible factor 2α (HIF-1α and HIF-2α), Notch, nuclear factor κB (NF-κB), and metabolic regulators such as fibroblast growth factor 19 (FGF19) and…"

mTOR

  • PMID 42199077
    "This review examines the role of leptin in PTH regulation and parathyroid physiology and highlights experimental and clinical evidence identifying mechanistic target of rapamycin complex 1 (mTORC1) as a critical regulator of parathyroid structure and function in CKD-SHP."
  • PMID 42199077
    "In experimental CKD, uremia triggers robust parathyroid mTORC1 activation, promoting cellular hyperplasia and PTH overproduction both of which are prevented and reversed by rapamycin."
  • PMID 42199077
    "Genetic mouse models show that parathyroid-specific mTOR deletion impairs gland integrity and adaptive PTH responses, whereas constitutive mTORC1 activation via Tsc1 deletion induces autonomous gland enlargement and impaired secretory capacity."
  • AMPK PMID 36858962
    "All of these have essential clinical significance with the discovery of autophagy associated signals, pathways, mechanisms, and treatments in bone diseases in the future.<b>Abbreviations:</b> Δψm: mitochondrial transmembrane potential AMPK: AMP-activated protein kinase ARO: autosomal recessive osteosclerosis ATF4: activating transcription factor 4 ATG: autophagy-related β-ECD: β-ecdysone BMSC:…"
  • sirtuin PMID 36858962
    "All of these have essential clinical significance with the discovery of autophagy associated signals, pathways, mechanisms, and treatments in bone diseases in the future.<b>Abbreviations:</b> Δψm: mitochondrial transmembrane potential AMPK: AMP-activated protein kinase ARO: autosomal recessive osteosclerosis ATF4: activating transcription factor 4 ATG: autophagy-related β-ECD: β-ecdysone BMSC:…"
  • autophagy PMID 36858962
    "All of these have essential clinical significance with the discovery of autophagy associated signals, pathways, mechanisms, and treatments in bone diseases in the future.<b>Abbreviations:</b> Δψm: mitochondrial transmembrane potential AMPK: AMP-activated protein kinase ARO: autosomal recessive osteosclerosis ATF4: activating transcription factor 4 ATG: autophagy-related β-ECD: β-ecdysone BMSC:…"

IGF-1

  • PMID 36858962
    "All of these have essential clinical significance with the discovery of autophagy associated signals, pathways, mechanisms, and treatments in bone diseases in the future.<b>Abbreviations:</b> Δψm: mitochondrial transmembrane potential AMPK: AMP-activated protein kinase ARO: autosomal recessive osteosclerosis ATF4: activating transcription factor 4 ATG: autophagy-related β-ECD: β-ecdysone BMSC:…"
  • PMID 41806480
    "This review examines how osteoblast differentiation and bone metabolism are influenced by important hormonal regulators, including parathyroid hormone (PTH), which is the key regulator, followed by the effect of calcitonin, vitamin D, and insulin-like growth factor-1 (IGF-1), cytokines including transforming growth factor-beta, bone morphogenetic proteins, and immune modulators such as cluster of…"
  • autophagy PMID 41530114
    "Moreover, emerging research underscores extensive crosstalk between TGF-β/BMP and other critical pathways, such as Wnt/β-catenin, mitogen-activated protein kinase (MAPK), parathyroid hormone (PTH)/PTH-related protein (PTHrP), fibroblast growth factors (FGF), Hedgehog, Notch, insulin-like growth factors (IGF)/insulin-like growth factors receptor (IGFR), Mammalian target of rapamycin (mTOR), and…"
  • IGF-1 PMID 41530114
    "Moreover, emerging research underscores extensive crosstalk between TGF-β/BMP and other critical pathways, such as Wnt/β-catenin, mitogen-activated protein kinase (MAPK), parathyroid hormone (PTH)/PTH-related protein (PTHrP), fibroblast growth factors (FGF), Hedgehog, Notch, insulin-like growth factors (IGF)/insulin-like growth factors receptor (IGFR), Mammalian target of rapamycin (mTOR), and…"
  • autophagy PMID 40505957
    "Based on dual SHPT drivers, an M2 macrophage-derived exosomes-camouflaged nanomedicine, M2-E@St, was developed that can reprogram macrophages anti-inflammation and alleviate STAT3-mediated autophagy inhibition, reducing parathyroid cell proliferation in the parathyroid gland."

recorded 2026-05-28 · last checked 2026-09-04

Where it is registered
Identifiers, relations and other names

The exact record

ChEMBL id
CHEMBL2108078
CAS number
9002-64-6
RxCUI
1427222
Development code
ALX-1-11, ALX-111, ALX1-11, NPSP-558, NPSP558
Also called
Hormona paratiroidea, Hormone parathyroide, Natpar, Natpara, Parathormone (human recombinant), Parathormonum, Parathyroid, Pth (1-84), Pth (1-84) human, Rhpth(1-84), forteo, pth 1-34
Trade name
Preotact
Sources (10)

Sources

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

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

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: 10 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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