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Somatropin

Phase 3

Endocrine System Diseases | Small molecule | Endocrine |Pfizer, Inc.|Last Updated: Feb 21, 2024

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDDMC
Total Trials1
Total Enrollment46

FDA Designations

No designations recorded

Clinical trial landscape

Somatropin · 4 trials · 5 indications

Phase 3 3Phase 2 1
NCT00163189Evolution Of Growth Rate In Children With Growth Retardation Due to Glucocorticosteroid Therapy And Treated By GenotonormGrowth Hormone Deficiency
COMPLETED98 Analytics
NCT00163215Growth Retardation In Children With Special Pathological Conditions Or DiseaseEndocrine System Diseases
COMPLETED46 Analytics
NCT00174278Treatment With Recombinant Human Growth Hormone Genotonorm (Registered) In Children With Short Stature SecondaryGrowth Hormone Deficiency
COMPLETED14 Analytics
PHASE3COMPLETED
Evolution Of Growth Rate In Children With Growth Retardation Due to Glucocorticosteroid Therapy And Treated By Genotonorm
Growth Hormone DeficiencyUnlock trial analytics
PHASE3COMPLETED
Growth Retardation In Children With Special Pathological Conditions Or Disease
Endocrine System DiseasesUnlock trial analytics
PHASE3COMPLETED
Treatment With Recombinant Human Growth Hormone Genotonorm (Registered) In Children With Short Stature Secondary
Growth Hormone DeficiencyUnlock trial analytics

Study Endpoints

Primary Endpoints

Change From Baseline in Height Standard Deviation Score (SDS) for Chronological Age (CA) at Month 36: Full Analysis Population
Baseline, Month 36

Height was measured using a wall mounted device (example, Harpenden stadiometer). The standing height of the participant was measured two times and the mean of these measurements was recorded. Height SDS CA Yx = (height Yx - reference mean for CA Yx) / reference SD for CA Yx; Yx refers to the value at particular timepoint x. Height in SDS was calculated using Sempe reference means and SD for height. CA calculated as integer (Date of height measurement-Date of birth)/365.25\*12.

Change From Baseline in Height Standard Deviation Score (SD) for Chronological Age (CA) at Month 36: Per Protocol (PP) Population
Baseline, Month 36

Height was measured using a wall mounted device (example, Harpenden stadiometer). The standing height of the participant was measured two times and the mean of these measurements was recorded. Height SDS CA Yx = (height Yx - reference mean for CA Yx) / reference SD for CA Yx; Yx refers to the value at particular timepoint x. Height in SDS was calculated using Sempe reference means and SD for height. CA calculated as integer (Date of height measurement-Date of birth)/365.25\*12.

Change From Baseline in Annual Growth Rate Standard Deviation Score (SDS) for Chronological Age (CA) at Month 36 in Intent-to-Treat (ITT) Population
Baseline, Month 36

Change in annual growth rate (AGR) standard deviation score (SDS) for chronological age (CA) derived by subtracting AGR SDS CA at baseline from each time point (Yx) value. AGR at Yx= (height Yx-height Y\[x-1\])/(\[date of Yx-date of Y{x-1}\]/365.25). AGR as SDS calculated using Sempe reference means and standard deviations (SD) for growth rate. AGR SDS CA (for both baseline and Yx)= (AGR-reference mean for growth rate CA)/reference SD for growth rate CA. CA calculated as integer (Date of height measurement-Date of birth)/365.25\*12. SDS indicates how similar participant was to reference population.

Change From Baseline in Annual Growth Rate Standard Deviation Score (SDS) for Chronological Age (CA) at Month 36 in Per-Protocol (PP) Population
Baseline, Month 36

Change in annual growth rate (AGR) standard deviation score (SDS) for chronological age (CA) derived by subtracting AGR SDS CA at baseline from each time point (Yx) value. AGR at Yx= (height Yx-height Y\[x-1\])/(\[date of Yx-date of Y{x-1}\]/365.25). AGR as SDS calculated using Sempe reference means and standard deviations (SD) for growth rate. AGR SDS CA (for both baseline and Yx)= (AGR-reference mean for growth rate CA)/reference SD for growth rate CA. CA calculated as integer (Date of height measurement-Date of birth)/365.25\*12. SDS indicates how similar participant was to reference population.

The main efficacy variable is the height SDS (SEMPE) before and after treatment.
The standing height of the patients is measured during the inclusion visit and at each follow-up visit.
The height measurements are always performed at the same time of the day by
use of a wallmounted device (e.g. Harpenden Stadiometer).
Each child has to be measured three times, the mean of these measurements is recorded in the Case Report Form as the present height.
The body weight is measured by use of a balance scale.
Puberty stage is assessed (according to Tanner´s cotation) at the same visits as height is measured.
Change in Height Standard Deviation Score (SDS) After 1 Year
Baseline to 1 year (Month 12)

Change in Height SDS after 1 year where SDS=height minus mean (age-and sex-matched reference) divided by SD (age and sex-matched reference).

Change in Growth Velocity Standard Deviation Score (SDS) After 1 Year
Baseline to 1 year (Month 12)

Change in Growth Velocity (GV) SDS after 1 year where SDS=GV minus mean (age-and sex-matched reference) divided by SD (age and sex-matched reference).

Secondary Endpoints

Mean Height
Baseline, Month 12, 24, 36, 48, 60
Mean Height Standard Deviation Score (SDS) for Bone Age (BA)
Baseline, Month 12, 24, 36, 48, 60
Annual Growth Rate (AGR)
Baseline, Month 12, 24, 36, 48, 60
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
SomatropinEXPERIMENTAL -
Treatment ArmACTIVE_COMPARATOR -
Control ArmNO_INTERVENTION -

Interventions

NameTypeDescription
SomatropinDRUGLiquid, daily, during 3 years and extended to 5 years Dosage: 0,46 mg/kg/week - the maximum dose should not exceed 50 µg/kg/day
Control ArmOTHERControlled, prospective, randomized, multicenter study with an untreated (control) group during the first year. The children will be randomized into treatment or untreated (control) group. After one year the control group will undergo GH-therapy, too. The study will end after 2 and 3 years of observation, respectively. Children randomized to the control group will get the possibility to continue treatment for a further year.
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Eligibility Criteria

Age Range11 Years to 13 Years
SexALL
Healthy VolunteersNo
Study Sites19

Inclusion Criteria: * Glucocorticosteroid treatment for 12 months at least * Bone age \< 15 years for a boy and \< 13 years for a girl * Child measured height \< - 2 SD, Child currently treated by GH Exclusion Criteria: * Known diabetes (type 1 or type 2) * A previous history of intolerance or hy...

Countries:FranceGermany
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Frequently asked questions about Somatropin

What is Somatropin used for?

Somatropin is used for growth hormone therapy in children with growth hormone deficiency and endocrine system diseases, including growth retardation. It is a small molecule being developed by Pfizer, Inc. for conditions related to growth hormone deficiency and short stature.

Who makes Somatropin?

Somatropin is developed by Pfizer, Inc., a company traded on the New York Stock Exchange under the ticker symbol PFE. The drug is being investigated for use in growth hormone therapy and related endocrine conditions.

What phase is Somatropin in?

Somatropin is in Phase 3 clinical development for growth hormone deficiency and endocrine system diseases. It is an investigational drug and has not been approved by the FDA. Clinical trials are completed, with no active trials currently ongoing.

What clinical trials is Somatropin in?

Somatropin has completed Phase 3 trials including NCT00163189, NCT00163215, and NCT00174278, which studied its effects on growth retardation in children with growth hormone deficiency and endocrine diseases. A Phase 2 trial, NCT00174460, examined its use in children born preterm.

How does Somatropin work?

Somatropin is a small molecule used for growth hormone therapy. It is designed to address growth hormone deficiency by providing exogenous growth hormone to stimulate growth in children with growth retardation due to various endocrine conditions.