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TD-9855 Mass Balance Study

An Open-Label Study to Evaluate the Absorption, Distribution, Metabolism, and Excretion of TD-9855 Following a Single Oral Dose Containing Approximately 100 µCi [14C]-Labeled TD-9855 (20 mg) in Healthy Subjects

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01924143
Enrollment
6
Registered
2013-08-16
Start date
2013-10-31
Completion date
2013-12-31
Last updated
2021-01-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

ADHD, Fibromyalgia

Keywords

ADHD, Fibromyalgia

Brief summary

The purpose of the study is to evaluate the absorption, distribution, metabolism, and excretion (ADME) of a single oral dose of \[14C\]TD-9855

Interventions

radiolabeled (100 µCi \[14C\]-Labeled) TD-9855 (20 mg)

Sponsors

Theravance Biopharma
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 50 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy, nonsmoking male subjects or healthy, nonsmoking female subjects not of childbearing potential, 18 to 50 years old, inclusive. Women are considered to be not of childbearing potential if they have had a hysterectomy or tubal ligation or are at least 2 years postmenopausal (follicle-stimulating hormone \[FSH\] \>40 IU/mL) * Body mass index 19 to 31 kg/m2, inclusive, and weight at least 55 kg * Negative for hepatitis B, hepatitis C, and HIV antibody

Exclusion criteria

* Have evidence or history of clinically significant allergic (except for untreated, asymptomatic, seasonal allergies at time of dosing), hematological, endocrine, dermatologic, pulmonary, gastrointestinal, cardiovascular, hepatic, psychiatric, or neurological disease * Subjects who, in the opinion of the investigator, are at risk for suicide or risk of harming others, or who score positive on the C-SSRS (item 2 or higher on ideation). Subjects with any history of suicide attempts * Any condition possibly affecting drug absorption (e.g., previous surgery on the gastrointestinal tract \[including removal of parts of the stomach, bowel, liver, gall bladder, or pancreas\]) * Infrequent bowel movements (less than once per 24 hours) in the last 7 days prior to Day -1. Subject is unable to provide a fecal sample prior to study drug dosing on Day -1 or Day 1.

Design outcomes

Primary

MeasureTime frameDescription
To define the routes and rates of elimination and mass balance of [14C]-labeled TD-98551-21 DaysUrinary and fecal recovery of total radioactivity. Whole blood and plasma concentrations of total radioactivity.

Secondary

MeasureTime frameDescription
PK: Tmax1-21 DaysWhole blood and plasma concentrations
PK: AUCt1-21 DaysWhole blood and plasma concentrations
PK: AUCinf1-21 Days
PK: CL/F (Renal clearance)1-21 DaysUrine
Pharmacokinetics of total drug-related material and TD-9855: Cmax1-21 DaysWhole blood and plasma concentrations
PK: amount excreted in urine (Ae)1-21 DaysUrine
PK: CLR (Renal clearance, computed as amount recovered in urine/ AUCinf)8-21 DaysUrine
Metabolic profiles in plasma and excreta1-21 days
PK: Vz/F (oral volume of distribution during the terminal phase)1-21 Days

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026