PEPTIDE RESEARCH TOPIC

Somatropin / HGH Research Peptide

Explore Somatropin and HGH, recombinant hormone identity, approved-product indications, growth hormone signaling, clinical evidence, and safety context.

TOPIC OVERVIEW

About Somatropin / HGH

Identity and names

HGH refers to human growth hormone; somatropin names recombinant human growth hormone used in specific medicines. Endogenous hormone measurements and administered products are different contexts.

Compound type

Somatropin is a recombinant protein hormone. Formulation, delivery device, storage instructions, and authorized indications vary by product.

Mechanism

Growth hormone activates its receptor and affects growth and metabolism, including IGF-I production. It differs from peptides that stimulate pituitary release.

Research focus and evidence

Approved products have indication-specific clinical evidence for growth disorders and growth hormone deficiency. This does not establish generalized anti-aging or performance benefits.

Regulatory status and limits

FDA-authorized somatropin products have defined labeling and warnings. A research vial described as HGH is not automatically equivalent to an approved prescription medicine.

Topics covered
  • recombinant hormone identity
  • approved indications
  • GH and IGF-I signaling
  • product storage and safety
Common names and related terms: Somatropin, HGH, Human growth hormone, Recombinant human growth hormone
RESEARCH SUMMARY

What Is Somatropin / HGH?

LAST VERIFIEDOctober 7, 2026

FDA labeling for Genotropin identifies somatropin as a recombinant growth hormone medicine with specific pediatric and adult indications. Its evidence and instructions apply to that product and its authorized uses. FDA, Genotropin prescribing information

FDA lists Genotropin as a licensed somatropin biological product. Licensing is product-specific and does not authorize every material advertised as human growth hormone. FDA Purple Book, Genotropin

RESEARCH TRACKER

Somatropin / HGH Development & Clinical Research

Current programs, research areas, study status, enrollment, and expected completion dates organized from primary registry records.

LAST VERIFIEDOctober 7, 2026
Registered records266
Active studies19
Completed studies184
Phase 3 studies104
DeveloperRegistry sponsors include Novo Nordisk A/S, Ascendis Pharma A/S, Dr. David Wasserstein. Sponsor identity does not establish product approval.
AliasesSomatropin, HGH, Human growth hormone, Recombinant human growth hormone
Biological targetsGrowth hormone activates its receptor and affects growth and metabolism, including IGF-I production. It differs from peptides that stimulate pituitary release.
Development stageRegistered intervention phases: Early Phase 1, Phase 1, Phase 1 / Phase 2, Phase 2, Phase 2 / Phase 3, Phase 3, Phase 4. See study-specific context.
Regulatory statusFDA-authorized somatropin products have defined labeling and warnings. A research vial described as HGH is not automatically equivalent to an approved prescription medicine.

What current projects are studying

Growth Hormone DeficiencyGrowth Hormone DisorderAdult Growth Hormone DeficiencyTurner SyndromeIdiopathic Short StatureGrowth Hormone Deficiency in ChildrenHealthy
SELECTED CURRENT RESEARCH

Latest and important projects

Showing 5 of 19 active studies
REGISTERED STUDYNCT03878446

A Research Study in Children Born Small and Who Stayed Small. Treatment is Somapacitan Once a Week Compared to Norditropin® Once a Day

Short Stature Children Born Small for Gestational Age (SGA)

Phase
Phase 2
Status
Active Not Recruiting
Enrollment
62 Actual
Expected completion
Dec 23, 2026
Record updated
Oct 6, 2026
Lead sponsor
Novo Nordisk A/S
REGISTERED STUDYNCT07221851

Trial Investigating the Efficacy and Safety of Weekly Lonapegsomatropin Compared to Daily Somatropin in Children and Adolescents With Short Stature or Growth Failure Due to Growth Hormone Sufficient Disorders

Turner Syndrome · Short Stature Homeobox Gene Mutation · Idiopathic Short Stature · Small for Gestational Age at Delivery

Phase
Phase 3
Status
Recruiting
Enrollment
186 Estimated
Expected completion
Mar 2029
Record updated
Sep 30, 2026
Lead sponsor
Ascendis Pharma A/S
KORRNCT07036003

Recombinant Human Growth Hormone (rHGH) for Knee Osteoarthritis (KORR)

Knee Osteoarthritis (Knee OA) · Knee Osteoarthritis (OA)

Phase
Phase 1 / Phase 2
Status
Active Not Recruiting
Enrollment
34 Estimated
Expected completion
Jan 2029
Record updated
Jul 31, 2026
Lead sponsor
Dr. David Wasserstein
GRITNCT04867317

Growth Hormone Replacement Therapy in Veterans With Mild Traumatic Brain Injury (mTBI) and Adult Growth Hormone Deficiency (AGHD)

Adult Growth Hormone Deficiency · Mild Traumatic Brain Injury

Phase
Phase 3
Status
Recruiting
Enrollment
172 Estimated
Expected completion
Sep 30, 2029
Record updated
Jul 9, 2026
Lead sponsor
VA Office of Research and Development
REAL 8NCT05330325

A Research Study to Compare Somapacitan Once a Week With Norditropin® Once a Day in Children Who Need Help to Grow

SGA, Turner Syndrome, Noonan Syndrome, ISS

Phase
Phase 3
Status
Active Not Recruiting
Enrollment
412 Actual
Expected completion
Oct 29, 2027
Record updated
Jun 12, 2026
Lead sponsor
Novo Nordisk A/S
Primary sources: ClinicalTrials.gov (defined search)Checked October 7, 2026. Counts include interventional registry records with an explicit matching intervention name or alias; broad search results, biomarker-only observations, and unrelated compounds are excluded. Active includes recruiting, not yet recruiting, active not recruiting, and enrolling by invitation. PubMed is the linked title/abstract query count, not a number of clinical trials or a measure of evidence quality.

Registry status does not establish safety, efficacy, or regulatory approval.

START HERE

Essential Somatropin / HGH guides

SOMATROPIN / HGH KNOWLEDGE ARTICLESPage 1 of 13
01
KNOWLEDGE ARTICLE

Best Time to Take HGH: Morning or Night? | Guide

The best time to take HGH is usually at night, but morning and pre-workout dosing are also used. Learn how timing, sleep, and goals affect your protocol.

↗
02
KNOWLEDGE ARTICLE

Omnitrope vs Somatropin: What's the Difference?

Omnitrope vs somatropin: Omnitrope is a brand-name form of somatropin, not a separate drug. Compare indications, dosing, devices, storage, and cost.

↗
05
KNOWLEDGE ARTICLE

HGH Brand Guide: Blue Tops, Jintropin, Saizen

HGH brand options range from blue tops and Jintropin to Saizen and generics. Compare labels, risks, and what US buyers should know before choosing.

↗
09
KNOWLEDGE ARTICLE

HGH Cycle Guide: Length, Dosage, and Safety

An HGH cycle is a planned period of human growth hormone use. Learn typical lengths, dosages, stacking risks, and why HGH is prescription-only in the US.

↗
10
KNOWLEDGE ARTICLE

How to Use HGH: Injection Guide & Safety Basics

How to use HGH safely: prescription-only somatropin, bacteriostatic water mixing, injection sites, needle sizes, dosing, and medical monitoring explained.

↗
13
KNOWLEDGE ARTICLE

What Is HGH? Human Growth Hormone Explained

What is HGH? Learn what human growth hormone does in the body, how doctors prescribe it, common side effects, and why off-label use is risky.

↗
17
KNOWLEDGE ARTICLE

HGH Hormone Pills: Do Oral HGH Supplements Work?

Curious about HGH hormone pills? Learn what oral HGH products actually contain, why real growth hormone fails by mouth, plus safer options to ask a doctor.

↗
18
KNOWLEDGE ARTICLE

Does HGH Make You Taller? Height Growth Facts

Does HGH make you taller? Learn how human growth hormone affects height, who can still grow, and why HGH is not a proven height treatment for adults.

↗