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Trial · Interventional

CompletedPhase 4Results postedRegistry data

A Post-Marketing Study of the Immunogenicity of Somatropin (Ribosomal Deoxyribo Nucleic Acid [rDNA] Origin) Injection (Nutropin AQ®) in Children With Growth Hormone Deficiency

Overview

Status
Completed
Phase
Phase 4
Enrollment
82 participants (actual)
Sponsor
Genentech, Inc. · Industry
Design
Allocation not applicable · Open label (no masking)
Countries
1 country

United States

Start
31 Mar 2015
Primary completion
8 Nov 2017
Completion
8 Nov 2017
First posted
9 Dec 2014 (estimated)
Last update posted
8 Jan 2019
Conditions
Growth Hormone Deficiency

Timeline

1 trial · 1 completed · 1 with posted results

  • Completed
  • Ongoing
  • Not yet recruiting
  • Stopped
  • Estimated dates (est.)
  • Results posted
2015201620172018
  1. Ph 4

    A Post-Marketing Study of the Immunogenicity of Somatropin (Ribosomal Deoxyribo Nucleic Acid [rDNA] Origin) Injection (Nutropin AQ®) in Children With Growth Hormone Deficiency

    NCT02311894

    31 Mar 2015 to 8 Nov 2017

Registry summary

Text and fields below are the sponsor's entries at ClinicalTrials.gov, shown as posted.

This is a Phase IV, multicenter, open-label, single-arm study of somatropin (rDNA origin) (Nutropin AQ v1.1) in pre-pubertal children with growth hormone deficiency (GHD) naïve to prior recombinant human growth hormone (rhGH) treatment. The study is designed to characterize the immunogenicity profile of somatropin (rDNA origin) injection when administered daily subcutaneously for 12 months. The clinical impact of immunogenicity will also be assessed.

Interventions

  • SomatropinDrug

Arms1

  • Experimental

    Somatropin

    Children will receive daily SC injections of somatropin at a dose of up to 0.043 milligrams per kilogram per day (mg/kg/day) for 1 year.

Primary outcomes1

Outcomes the sponsor listed as primary.

  1. Percentage of Participants Who Develop Anti-GH Antibodies After Treatment With Nutropin AQ v1.1

    Time frame · Baseline up to 1 year

    Registry description

    Participants who were tested positive to anti-GH antibody after initiation of study treatment.

Secondary outcomes(5)
  1. Percentage of Participants Who Exhibit Functional Growth Attenuation

    Time frame · Baseline up to 1 year

    Registry description

    Growth attenuation is defined as initial growth response greater than pretreatment velocity followed by reduction in growth response to below the pretreatment velocity in the subsequent 6- to 12-month treatment period or reaching ≤ 2 cm per year.

  2. Percentage of Participants With Neutralizing Antibodies

    Time frame · Baseline up to 1 year

    Registry description

    Among participants who developed positive anti-GH antibody post-baseline, participants who were tested positive to neutralizing anti-GH antibody during study participation.

  3. Annualized Growth Velocity at Months 6 and 12 (Change From Baseline)

    Time frame · Months 6, 12

    Registry description

    Annualized growth velocity is defined as (height - baseline height) / (date of height assessment - date of baseline)\*365.25. Results are presented according to anti-GH antibody status (positive included all participants that were anti-GH antibody positive at least once post-baseline visit and anti-GH antibody negative population included all participants that were anti-GH antibody negative at all post-baseline visits).

  4. Height Standard Deviation Score (SDS) at Months 6 and 12 (Change From Baseline)

    Time frame · Months 6, 12

    Registry description

    Height Standard Deviation Score (SDS) allows for the comparison of a participants height to that of others in the same age group. Therefore, the average height for that age group will have the SDS of 0. In this study, the starting Height SDS score was ≤ -1.5 (≤ 5th percentile). Results are presented according to anti-GH antibody status (positive included all participants that were anti-GH antibody positive at least once post-baseline visit and anti-GH antibody negative population included all participants that were anti-GH antibody negative at all post-baseline visits.

  5. Percentage of Participants With Adverse Events

    Time frame · Baseline up to 1 year

    Registry description

    Among participants who received at least one dose of study drug, those who reported at least one adverse event during study participation.

Posted results

Values are shown as posted at ClinicalTrials.gov, with their units. PepBank has not converted, pooled or compared them.

Primary outcome results

Primary outcomeNumber· Baseline up to 1 year

Percentage of Participants Who Develop Anti-GH Antibodies After Treatment With Nutropin AQ v1.1

GroupValue (percentage of participants)
Somatropin3.7
Secondary and other outcome results(5)
Secondary outcomeNumber· Baseline up to 1 year

Percentage of Participants Who Exhibit Functional Growth Attenuation

GroupValue (percentage of participants)
Somatropin2.6
Secondary outcomeNumber· Baseline up to 1 year

Percentage of Participants With Neutralizing Antibodies

GroupValue (percentage of participants)
Somatropin0
Secondary outcomeMean· Months 6, 12

Annualized Growth Velocity at Months 6 and 12 (Change From Baseline)

GroupValue (cm/year)Spread
Somatropin5.32.89
Secondary outcomeMean· Months 6, 12

Height Standard Deviation Score (SDS) at Months 6 and 12 (Change From Baseline)

GroupValue (SDS)Spread
Somatropin0.30.11
Secondary outcomeNumber· Baseline up to 1 year

Percentage of Participants With Adverse Events

GroupValue (percentage of participants)
Somatropin69.5

Adverse events, as posted

Adverse events as posted: participants affected out of participants at risk, by group
GroupDeathsSerious eventsOther events
SomatropinChildren will receive daily subcutaneous (SC) injections of somatropin at a dose of up to 0.043 milligrams per kilogram per day (mg/kg/day) for 1 year.0 / 820 / 8240 / 82

Each cell reads participants affected / participants at risk, as the registry posted them.

Registry data comes from ClinicalTrials.gov. Study results come from studies, not from the registry. How PepBank works

Studies0

Studies that cite this trial.

No study cites this trial.

Eligibility

Who could join, as posted.

Sex
All
Age
from 3 Years up to 14 Years
Healthy volunteers
Not accepted
Inclusion and exclusion criteria, as posted
Inclusion Criteria: * Bone age less than equal to (\</=) 9 years (females) or \</= 11 years (males) as determined by X-ray of the left hand and wrist using Greulich and Pyle method and obtained within the 12 months prior to enrollment * Prepubertal (Tanner I) males and females by physical examination * Diagnosis of GHD (stimulated GH less than \[\<\] 10 nanograms per milliliter \[ng/mL\]) by two standard pharmacologic tests obtained up to 12 months prior to informed consent/assent * Normal thyroid function test within the 12 months prior to informed consent/assent * Normal complete blood counts within 12 months prior to informed consent/assent * Documentation of prior height and weight measurements, with height standard deviation score (SDS) \</= 5th percentile for idiopathic isolated GHD participants Exclusion Criteria: * Any previous rhGH treatment * Short stature etiologies other than GHD * Acute critical illness or uncontrolled chronic illness, which in the opinion of the investigator and medical monitor, would interfere with participation in this study, interpretation of the data, or pose a risk to participant safety * Chronic illnesses such as inflammatory bowel disease, celiac disease, heart disease, and diabetes * Bone diseases such as achondroplasia or hypochondroplasia, intracranial tumor, irradiation, and traumatic brain injury * Participants receiving oral or inhaled chronic corticosteroid therapy (greater than \[\>\] 3 months) for other medical conditions other than central adrenal insufficiency * Participants who require higher (2 times or greater than maintenance) doses of corticosteroids for more than 5 days in the 6 months prior to enrollment in the study * Participants with active malignancy or any other condition that the investigator believes would pose a significant hazard to the participant if rhGH were initiated * Females with Turner syndrome regardless of their GH status * Prader-Willi syndrome regardless of GH status * Born small for gestational age regardless of GH status * Presence of scoliosis requiring monitoring * Previous participation in another clinical trial or investigation of GH, treatment for growth failure, or treatment with a biologic agent * Participants with closed epiphyses * Participants with a known hypersensitivity to somatropin, excipients, or diluent

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