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NCT03150108

Study of rhPTH(1-84) in Japanese Healthy Subjects Compared With Matched Caucasian Healthy Adult Subjects

Completed Phase 1 Results posted Last updated 8 June 2021
What this trial tests

Phase 1 trial testing rhPTH(1-84) in Hypoparathyroidism in 24 participants. Completed in 26 June 2017.

Timeline
16 May 2017
Primary endpoint
26 June 2017
26 June 2017

Quick facts

Lead sponsorShire
PhasePhase 1
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designcrossover
Maskingnone
Primary purposetreatment
Enrollment24
Start date16 May 2017
Primary completion26 June 2017
Estimated completion26 June 2017
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

Shire — full company profile →

Who can join

Adults 18 to 65, any sex, with Hypoparathyroidism. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

Baseline-adjusted Cmax of PTH(1-84) Primary · 30 and 90 minutes (min) Pre-dose, 10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 hours (h) Post-dose

Baseline-adjusted maximum observed drug concentration (Cmax) of PTH(1-84) in plasma was reported. The dispersion measure Geometric Coefficient of Variation was reported in percent (%).

GroupValue95% CI
Non-Hispanic Caucasians: 100 mcg rhPTH(1-84)295.662± 41.66
Participants of Japanese Descent: 100 mcg rhPTH(1-84)330.820± 29.44
Participants of Japanese Descent: 50 mcg rhPTH(1-84)175.468± 35.29
Participants of Japanese Descent: 25 mcg rhPTH(1-84)99.708± 22.02
Baseline-adjusted Tmax of PTH(1-84) Primary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Baseline-adjusted time to reach maximum observed drug concentration (Tmax) of PTH(1-84) in plasma was reported.

GroupValue95% CI
Non-Hispanic Caucasians: 100 mcg rhPTH(1-84)0.4150.17 – 3.00
Participants of Japanese Descent: 100 mcg rhPTH(1-84)1.0000.17 – 4.00
Participants of Japanese Descent: 50 mcg rhPTH(1-84)1.3850.50 – 2.50
Participants of Japanese Descent: 25 mcg rhPTH(1-84)1.2400.17 – 2.00
Baseline-adjusted AUC(Last) of PTH(1-84) in Plasma Primary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Baseline-adjusted area under the curve from the time of dosing to the last measurable concentration (AUC(last)) of PTH(1-84) was reported. The dispersion measure Geometric Coefficient of Variation was reported in percent (%).

GroupValue95% CI
Non-Hispanic Caucasians: 100 mcg rhPTH(1-84)1037.63± 31.0
Participants of Japanese Descent: 100 mcg rhPTH(1-84)1027.81± 32.6
Participants of Japanese Descent: 50 mcg rhPTH(1-84)602.06± 30.6
Participants of Japanese Descent: 25 mcg rhPTH(1-84)255.67± 28.7
Baseline-adjusted AUC(0-8) of PTH(1-84) in Plasma Primary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Baseline-adjusted area under the concentration versus time curve from the time of dosing to 8 hours post dose (AUC(0-8)) of PTH(1-84) was reported. The dispersion measure Geometric Coefficient of Variation was reported in percent (%).

GroupValue95% CI
Non-Hispanic Caucasians:100 mcg rhPTH(1-84)956.63± 32.8
Participants of Japanese Descent: 100 mcg rhPTH(1-84)1033.62± 31.4
Participants of Japanese Descent: 50 mcg rhPTH(1-84)554.23± 30.8
Participants of Japanese Descent: 25 mcg rhPTH(1-84)248.38± 19.7
Baseline-adjusted AUC(0-inf) of PTH(1-84) in Plasma Primary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Baseline-adjusted area under the concentration versus time curve extrapolated to infinity (AUC(0-inf)) of PTH(1-84) was reported. The dispersion measure Geometric Coefficient of Variation was reported in percent (%).

GroupValue95% CI
Non-Hispanic Caucasians: 100 mcg rhPTH(1-84)1028.29± 37.0
Participants of Japanese Descent: 100 mcg rhPTH(1-84)1039.34± 29.8
Participants of Japanese Descent: 50 mcg rhPTH(1-84)589.25± 31.6
Participants of Japanese Descent: 25 mcg rhPTH(1-84)249.51± 21.9
Baseline- Adjusted % of AUC(0-Inf) Extra of PTH(1-84) in Plasma Primary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Baseline-adjusted % of AUC extrapolated from the last measurable concentration to infinity over (AUC(0-Inf)) of PTH(1-84) in plasma was reported. The dispersion measure Geometric Coefficient of Variation was reported in percent (%).

GroupValue95% CI
Non-Hispanic Caucasians:100 mcg rhPTH(1-84)1.416± 198.59
Participants of Japanese Descent: 100 mcg rhPTH(1-84)0.932± 330.55
Participants of Japanese Descent: 50 mcg rhPTH(1-84)1.555± 173.86
Participants of Japanese Descent: 25 mcg rhPTH(1-84)3.015± 135.99
Baseline-adjusted Lambda_z of PTH(1-84) in Plasma Primary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Baseline-adjusted Lambda z associated with the terminal (log-linear) portion of the curve for PTH(1-84) in plasma was reported. The dispersion measure Geometric Coefficient of Variation was reported in percent (%).

GroupValue95% CI
Non-Hispanic Caucasians:100 mcg rhPTH(1-84)0.4496± 67.730
Participants of Japanese Descent: 100 mcg rhPTH(1-84)0.6672± 35.835
Participants of Japanese Descent: 50 mcg rhPTH(1-84)0.5714± 65.437
Participants of Japanese Descent: 25 mcg rhPTH(1-84)0.8277± 57.118
Baseline-adjusted t1/2 of PTH(1-84) in Plasma Primary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Baseline-adjusted Terminal Half-life (t1/2) of PTH(1-84) in plasma was reported.

GroupValue95% CI
Non-Hispanic Caucasians:100 mcg rhPTH(1-84)1.3900.68 – 4.74
Participants of Japanese Descent: 100 mcg rhPTH(1-84)1.0600.65 – 1.71
Participants of Japanese Descent: 50 mcg rhPTH(1-84)1.0200.69 – 3.57
Participants of Japanese Descent: 25 mcg rhPTH(1-84)0.9500.30 – 1.88
Baseline-adjusted CL/F of PTH(1-84) in Plasma Primary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Baseline-adjusted apparent clearance (CL/F) of PTH(1-84) in plasma was reported. The dispersion measure Geometric Coefficient of Variation was reported in percent (%).

GroupValue95% CI
Non-Hispanic Caucasians:100 mcg rhPTH(1-84)97.25± 37.0
Participants of Japanese Descent: 100 mcg rhPTH(1-84)96.22± 29.8
Participants of Japanese Descent: 50 mcg rhPTH(1-84)84.84± 31.6
Participants of Japanese Descent: 25 mcg rhPTH(1-84)100.18± 21.9
Baseline-adjusted Vdz/F of PTH(1-84) in Plasma Primary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Baseline-adjusted apparent volume of distribution (Vdz/F) of PTH(1-84) in plasma was reported. The dispersion measure Geometric Coefficient of Variation was reported in percent (%).

GroupValue95% CI
Non-Hispanic Caucasians:100 mcg rhPTH(1-84)216.30± 93.9
Participants of Japanese Descent: 100 mcg rhPTH(1-84)144.18± 54.7
Participants of Japanese Descent: 50 mcg rhPTH(1-84)148.50± 71.9
Participants of Japanese Descent: 25 mcg rhPTH(1-84)121.02± 57.7
Original Cmax of PTH(1-84) in Plasma Secondary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

Original maximum observed drug concentration (Cmax) of PTH(1-84) in plasma was reported. The dispersion measure Geometric Coefficient of Variation was reported in percent (%).

GroupValue95% CI
Non-Hispanic Caucasians:100 mcg rhPTH(1-84)324.43± 36.2
Participants of Japanese Descent: 100 mcg rhPTH(1-84)365.52± 27.3
Participants of Japanese Descent: 50 mcg rhPTH(1-84)206.05± 29.6
Participants of Japanese Descent: 25 mcg rhPTH(1-84)129.74± 21.1
Original Tmax of PTH(1-84) Secondary · 30 and 90 min Pre-dose,10, 20, 30, 45 min, 1, 1.25, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16 and 24 h Post-dose

The original time to reach maximum observed drug concentration (Tmax) of PTH(1-84) in plasma was reported.

GroupValue95% CI
Non-Hispanic Caucasians:100 mcg rhPTH(1-84)0.4150.17 – 3.00
Participants of Japanese Descent: 100 mcg rhPTH(1-84)1.0000.17 – 4.00
Participants of Japanese Descent: 50 mcg rhPTH(1-84)1.3850.50 – 2.50
Participants of Japanese Descent: 25 mcg rhPTH(1-84)1.2400.17 – 2.00

Adverse events — posted to ClinicalTrials.gov

Time frame: From start of study drug administration to follow-up (up to 40 days). Reporting threshold: 0%. Adverse-event reports describe events observed during the trial — not all are caused by the drug.

Non-Hispanic Caucasians:100 mcg rhPTH(1- 84)
Serious: 0/12 (0%)
Deaths: 0/12
Participants of Japanese Descent: 100 mcg rhPTH(1-84)
Serious: 0/12 (0%)
Deaths: 0/12
Participants of Japanese Descent: 50 mcg rhPTH(1-84)
Serious: 0/12 (0%)
Deaths: 0/12
Participants of Japanese Descent: 25 mcg rhPTH(1-84)
Serious: 0/12 (0%)
Deaths: 0/12
Other adverse events (11 terms — click to expand)

ReactionSystemNon-Hispanic Caucasians:10…Participants of Japanese D…Participants of Japanese D…Participants of Japanese D…
NauseaGastrointestinal disorders
HeadacheNervous system disorders
VomitingGastrointestinal disorders
DiarrhoeaGastrointestinal disorders
SunburnInjury, poisoning and procedural complications
DizzinessNervous system disorders
SomnolenceNervous system disorders
FatigueGeneral disorders
Influenza like illnessGeneral disorders
Oropharyngeal painRespiratory, thoracic and mediastinal disorders
RhinorrhoeaRespiratory, thoracic and mediastinal disorders

Data from ClinicalTrials.gov NCT03150108 adverse events section.

Sponsor's own description

The purpose of this study is to compare how rhPTH(1-84) affects the body between healthy adults of Japanese descent and matched, healthy Caucasian adults.

Publications & conference data

No peer-reviewed publications indexed yet for this trial. Completed trials usually publish results within 12-18 months.

Verify or expand the search:

Other trials of rhPTH(1-84)

Trials testing the same drug.

Other recruiting trials for Hypoparathyroidism

Currently open trials in the same condition.

Other Shire trials

Trials by the same sponsor.

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