NCT03212963

Evaluation of Adrenal Suppression Potential and Pharmacokinetics of Halobetasol Lotion 0.05%

An Open Label Evaluation of the Adrenal Suppression Potential and Pharmacokinetic Properties of Twice Daily Halobetasol Propionate Lotion, 0.05% in Subjects 12 to 16 Years 11 Months of Age With Plaque Psoriasis Receiving Two Weeks of Treatment

• Status: Terminated
• Phase: Phase 4
• Study type: Interventional
• Enrollment: 16 (actual)
• Sponsor: Sun Pharmaceutical Industries Limited · Industry
• Sex: All
• Age: 12 Years – 16 Years
• Healthy volunteers: Not accepted

Summary

The objective of this open-label multicentric study is to determine the adrenal suppression potential and the pharmacokinetic (PK) properties of halobetasol lotion (HBP) applied twice daily for up to two weeks in subjects aged 12 to 16 years 11 months with stable plaque psoriasis. Subject enrollment will continue until at least 20 subjects with both screening and end of study (EOS) serum cortisol data (pre- and pos-tcosyntropin stimulation) have completed the study without any significant protocol violations (evaluable subjects). This may require the enrollment of approximately 25 subjects.

Detailed description

This is an open label, multicenter study of an investigational formulation of HBP Lotion, 0.05% in male and female subjects aged 12 to 16 years 11 months with stable plaque psoriasis. Approximately 25 subjects with stable plaque psoriasis on at least 10% of their BSA (excluding the face, scalp, groin, axillae and other intertriginous areas), who fulfill the inclusion/exclusion criteria will be enrolled at multiple study sites. All subjects will have a screening CST to assess their HPA axis response at Visit 1 (Screening Visit). Enrollment into the treatment phase of the study should be timed such that the screening CST will be performed a minimum of 20 days before Baseline Visit. At Visit 2 (Baseline), eligible subjects with normal adrenal function will be eligible to participate in the study. Subjects will apply HBP Lotion, 0.05% to all psoriasis plaques identified at Visit 2 twice daily (approximately every 12 hours) for the assigned treatment period or until the investigator verifies the subject's psoriasis has cleared. The study is designed to determine the adrenal suppression potential and pharmacokinetic properties of the test article after the subject applies a maximum of approximately 50 grams per week for up to a two week treatment period. All subjects will have a CST to reassess their HPA axis response at EOS (or earlier if the investigator verifies the subject's psoriasis has cleared). In this study, an abnormal Hypothalamujs Pituitary Adrenal axis response to 0.25 milligram dose of cosyntropin is defined as a post-CST serum total cortisol level of less than equal to18 μg/dL. Eligible subjects will have blood drawn at Screening for baseline drug concentration in plasma. On Day 8, all subjects, regardless of lesion clearance, will have blood drawn for assessment of trough drug concentration in plasma. At the Day 15 visit, subjects who have continued to treat lesions will have a final PK blood sample collected approximately 12 hours after their Day 14 evening application and just prior to the initiation of the CST.

Conditions

• Plaque Psoriasis

Interventions

Type	Name	Description
DRUG	Halobetasol Topical Lotion	Halobetasol Lotion 0.05%, applied twice daily in subjects aged 12 to 16 years 11 months with stable plaque psoriasis.

Timeline

• Start date: 2017-03-21
• Primary completion: 2019-08-12
• Completion: 2019-08-12
• First posted: 2017-07-11
• Last updated: 2021-12-07
• Results posted: 2021-12-07

Locations

3 sites across 1 country: United States

Regulatory

• FDA-regulated drug study