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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02558829
Other study ID # AEZS-130-052
Secondary ID 2015-002337-22
Status Completed
Phase Phase 3
First received September 21, 2015
Last updated March 13, 2018
Start date December 3, 2015
Est. completion date November 29, 2016

Study information

Verified date March 2018
Source AEterna Zentaris
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The Macimorelin Growth Hormone Stimulation Test (GHST) will be compared with the Insulin Tolerance Test (ITT) in an open-label, randomized, 2-way crossover Trial. The trial will include subjects suspected to have adult growth hormone deficiency (AGHD) and a group of healthy control subjects.


Description:

Trial subjects will be assigned to groups of descending likelihood of having AGHD:

Group A, B, C: High, intermediate, and low likelihood of GHD, respectively; Group D: Healthy control subjects matching Group A subjects .

The sequential order of the GHSTs for suspected AGHD subjects (Group A-C) will be determined by stratified randomization; healthy control subjects (Group D) will be tested in the same sequence as the matched Group A subjects.

Serum concentrations of GH will be measured at pre-defined time points before and after GHST with macimorelin or insulin. A peak GH value below the GHST-specific cut-off value will be considered 'test positive'. The ITT will be considered as comparator (non-reference standard) to assess positive and negative agreement of both GHSTs, based on the predefined cut-off values.

The following cut-off values for simulated GH levels were used for both GHST tests to be compared: macimorelin-GHST: GH: 2.8 ng/mL, ITT: GH: 5.1 ng/mL.

Amendment no. 1 (repeatability extension): had been issued for selected sites in Europe to obtain exploratory data on the repeatability of the MAC in a subset of subjects (planned N=30, 10 per Group) that had completed the core study.


Recruitment information / eligibility

Status Completed
Enrollment 157
Est. completion date November 29, 2016
Est. primary completion date November 29, 2016
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria:

- Suspected growth hormone deficiency (GHD), based on either of the following:

- structural hypothalamic or pituitary disease, or

- surgery or irradiation in these areas, or

- head trauma as an adult, or

- evidence of other pituitary hormone deficiencies, or

- idiopathic childhood onset GHD (without known hypothalamic or pituitary lesion or injury).

- Healthy* control subjects, matching a 'high likelihood GHD' subjects

Exclusion Criteria:

- GH therapy within 1 month prior to anticipated first GHST within this trial (within 3 months in case of long-acting GH formulation).

- GHST within 7 days prior to the anticipated first test day within the trial.

- Subjects with a medical history and clinical signs of a not adequately treated thyroid dysfunction or subjects who had a change in thyroid therapy within 30 days prior to anticipated first test day within the trial.

- Untreated hypogonadism or not on a stable substitution treatment within 30 days prior to anticipated first test day within the trial.

- Treatment with drugs directly affecting the pituitary secretion of somatotropin (e.g. somatostatin analogues, clonidine, levodopa, and dopamine agonists) or provoking the release of somatostatin; antimuscarinic agents (atropine).

- Concomitant use of a CYP3A4 inducer (e.g., carbamazepine, phenobarbital, phenytoin, pioglitazone, rifabutin, rifampin, St. John's Wort).

- Medical history of ongoing clinically symptomatic severe psychiatric disorders.

- Parkinson's disease.

- Cushing disease or patients on supraphysiologic glucocorticoid therapy within 30 days prior to the anticipated first test day within the trial.

- Type 1 diabetes or untreated or poorly controlled Type 2 diabetes, as defined by HbA1c > 8%.

- Body mass index (BMI) = 40.0 kg/m2.

- Participation in a trial with any investigational drug within 30 days prior to trial entry.

- Vigorous physical exercise within 24 hours prior to each GHST within this trial.

- Known hypersensitivity to macimorelin or insulin, or any of the constituents of either preparation.

- Clinically significant cardiovascular or cerebrovascular disease.

- Prolonged ECG QT interval, defined as corrected QT interval (QTc) > 500 msec.

- Concomitant treatment with any drugs that might prolong QT/QTc.

- Elevation of laboratory parameters indicating hepatic or renal dysfunction or damage (aspartate amino transferase (ASAT), alanine aminotransferase (ALAT), gamma-glutamyl transpeptidase (GGT)> 2.5 x ULN; ), creatinine, or bilirubin > 1.5x ULN).

- Medical history of seizure disorders.

- Known immunosuppression.

- Current active malignancy other than non-melanoma skin cancer.

- Breastfeeding or positive urine pregnancy test (for women of childbearing potential only).

- Women of childbearing age without contraception, such as hormonal contraception or use of condom and spermicides or use of diaphragm and spermicides or Intra Uterine Device (IUD).

- Lack of ability or willingness to give informed consent.

- Anticipated non-availability for trial visits/procedures.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Macimorelin
macimorelin acetate, 0.5 mg/kg body weight, drinking solution, single dose
Insulin
Insulin, 0.10 U/kg (0.15 U/kg if BMI > 30 kg/m2), intravenous injection, single dose

Locations

Country Name City State
Austria Krankenanstalt Rudolfstiftung Vienna
Austria Medical University & General Hospital of Vienna, AKH, Vienna
France CHU de Lyon HCL-GH Est Bron Cedex
France GHU Paris-Sud - Hôpital de Bicêtre Le Kremlin-Bicêtre
France Hôpital Haut-Lévêque Pessac
Germany RWTH Aachen University Hospital Aachen Nordrhein-Westfalen
Germany Klinik für Endokrinologie, Diabetes und Ernährungsmedizin der Charité Berlin
Germany University Hospital Marburg Marburg Hessen
Germany Klinikum der LMU München Muenchen Bayern
Germany Max Planck Institut Muenchen Bayern
Italy San Luca Hospital Milano
Poland Centrum Kliniczno-Badawcze Elblag
Poland Centrum Medyczne Angelius Provita Katowice
Poland Phase I - MTZ Clinical Research Sp. z o.o. Warszawa
Poland Wromedica Wroclaw
Serbia Clinical Centre of Serbia Belgrad
Serbia Clinical Centre of Vojvodina Novi Sad
Spain Hospital de Sant Pau Barcelona
Spain Hospital Universitari Vall d' Hebron Barcelona
Spain Hospital de Conxo Santiago de Compostela
United Kingdom St Bartholomew's Hospital London
United Kingdom The Christie NHS Foundation Trust Manchester
United States Texas Diabetes and Endocrinology Austin Texas
United States Baylor College of Medicine-Endocrinology Houston Texas
United States Swedish Medical Center - Cherry Hill Seattle Washington
United States VA Puget Sound Health Care System Seattle Washington
United States Harbor UCLA Medical Center Torrance California

Sponsors (1)

Lead Sponsor Collaborator
AEterna Zentaris

Countries where clinical trial is conducted

United States,  Austria,  France,  Germany,  Italy,  Poland,  Serbia,  Spain,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Other Sensitivity and Specificity of the MAC, GH: 2.8 ng/mL Exploratory evaluation of sensitivity and specificity of the MAC as performance characteristic, based on test outcome in Group A and Group D subjects. 90 minutes
Other Agreement (Positive/Negative) for MAC Core Study Part and MAC Repeatability Extension (Amendment 1) Amendment no 1 (repeatability extension) had been issued for selected sites in Europe to obtain exploratory data on the repeatability of the MAC in a subset of subjects that had completed the core study. Pre-defined MAC cut-off point GH: 2.8 ng/mL. Agreements were calculated with two-sided 95% confidence intervals. 90 minutes
Primary Co-primary Efficacy Variables: Percent Positive and Percent Negative Agreement of Macimorelin-GHST (MAC) With ITT In the primary efficacy analysis, the estimated percentages of the agreements and the two-sided 95% confidence interval (or one-sided 97.5% confidence interval) of the percent agreement based on Clopper-Pearson are presented. The probability for a "Negative Agreement" equals the sum of the probability of both tests being correct (negative test results for both tests for subjects with "true non-AGHD") and the probability of both tests being wrong (negative test results for both tests for subjects with "true AGHD").
The performance of the GHST with Macimorelin was considered to be acceptable if the lower bound of the two-sided 95% confidence interval (or lower bound of the one-sided 97.5% confidence interval) for the primary efficacy variables was 75% or higher for 'percent negative agreement', and 70% or higher for the 'percent positive agreement'.
The following cut-off values for stimulated GH levels were used: - MAC: GH: 2.8 ng/mL, - ITT: GH: 5.1 ng/mL.
90 minutes
Secondary Overall Agreements (Positive/ Negative) for MAC and ITT As part of the secondary efficacy analysis, the percent of overall agreement was analyzed, using the same methodology described for the analyses for the primary efficacy variables. 90 minutes
Secondary Number of Participants With Any Test Emergent Adverse Event (TEAE), With Any TEAE Likely or Possibly Related, and With Any Test Emergent Severe AE GHST ('Test') emergent AEs (TEAEs): AEs occurring or observed from the day of first GHST (administration of an IMP) throughout End-of-Study (EOS) visit or Early Termination, whichever occurred first. TEAEs were analyzed and compared for both GHSTs. Detailed listings are presented in the Adverse Events section. The frequencies presented in this section refer to number of subjects with any TEAE, each subject was counted only once within each category. up to 70 days
Secondary ECG: Change in Heart Rate From Baseline at 60 Minutes Post-dose During the GHSTs, ECGs were measured at pre-dose (up to 15 min before) and 60 minutes post-dose. Furthermore, ECGs were measured at screening and at End-of-Study (EOS) Visit. 60 minutes