TD-9855 Mass Balance Study
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ClinicalTrials.gov Identifier: NCT01924143 |
Recruitment Status :
Completed
First Posted : August 16, 2013
Last Update Posted : January 19, 2021
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
ADHD Fibromyalgia | Drug: TD-9855 | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 6 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | 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 |
Actual Study Start Date : | October 2013 |
Actual Primary Completion Date : | November 2013 |
Actual Study Completion Date : | December 2013 |

Arm | Intervention/treatment |
---|---|
Experimental: TD-9855 |
Drug: TD-9855
radiolabeled (100 µCi [14C]-Labeled) TD-9855 (20 mg) |
- To define the routes and rates of elimination and mass balance of [14C]-labeled TD-9855 [ Time Frame: 1-21 Days ]Urinary and fecal recovery of total radioactivity. Whole blood and plasma concentrations of total radioactivity.
- Pharmacokinetics of total drug-related material and TD-9855: Cmax [ Time Frame: 1-21 Days ]Whole blood and plasma concentrations
- PK: Tmax [ Time Frame: 1-21 Days ]Whole blood and plasma concentrations
- PK: AUCt [ Time Frame: 1-21 Days ]Whole blood and plasma concentrations
- PK: AUCinf [ Time Frame: 1-21 Days ]
- PK: CL/F (Renal clearance) [ Time Frame: 1-21 Days ]Urine
- PK: Vz/F (oral volume of distribution during the terminal phase) [ Time Frame: 1-21 Days ]
- PK: amount excreted in urine (Ae) [ Time Frame: 1-21 Days ]Urine
- PK: CLR (Renal clearance, computed as amount recovered in urine/ AUCinf) [ Time Frame: 8-21 Days ]Urine
- Metabolic profiles in plasma and excreta [ Time Frame: 1-21 days ]

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Ages Eligible for Study: | 18 Years to 50 Years (Adult) |
Sexes Eligible for Study: | All |
Accepts 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.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01924143
United States, Nebraska | |
Lincoln, Nebraska, United States, 68502 |
Study Director: | Medical Monitor | Theravance Biopharma |
Responsible Party: | Theravance Biopharma |
ClinicalTrials.gov Identifier: | NCT01924143 |
Other Study ID Numbers: |
0105 |
First Posted: | August 16, 2013 Key Record Dates |
Last Update Posted: | January 19, 2021 |
Last Verified: | January 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Plan Description: | Theravance Biopharma, Inc. will not be sharing individual de-identified participant data or other relevant study documents. |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
ADHD Fibromyalgia |
Fibromyalgia Myofascial Pain Syndromes Muscular Diseases Musculoskeletal Diseases |
Rheumatic Diseases Neuromuscular Diseases Nervous System Diseases |