Clinical trials: Biological Availability
Inflammatory Bowel Disease
A Pharmacokinetic Study to Determine the Oral Bioavailability of Methotrexate in Patients With Inflammatory Bowel Disease
Patients with inflammatory bowel disease (IBD) who require methotrexate (MTX)for treatment currently receive this drug by injection.
- Trial name
- NCT00035074
- Testing
- Methotrexate
- Where
- United States
- Sponsor
- National Center for Research Resources (NCRR)
Cytomegalovirus Infections, HIV Infections
A Multiple Dose Crossover Pharmacokinetics Study to Evaluate the Effects of Food on the Absorption of Oral Ganciclovir
This study is designed to determine the influence of food on the absorption and relative bioavailability of oral ganciclovir by comparing the absorption of oral ganciclovir in a fed and fasting state at steady state plasma levels.
- Trial name
- NCT00002251
- Testing
- Ganciclovir
- Where
- 2 sites in United States
- Volunteers
- 20 people
- Sponsor
- Hoffmann-La Roche
Dental Caries, Dental Fluorosis
Anticaries Potential and Fluorosis Risk From Different Fluoride Toothpastes
Fluoride toothpaste has been associated not only with declining dental caries prevalence but also with an increase in dental fluorosis.
- Trial name
- NCT01589991
- Testing
- Toothpaste
- Where
- Brazil
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Type 2 Diabetes
Pharmacokinetic Study of CYCLOSET ® 0.8 mg Tablets in Children and Adolescent Type 2 Diabetes Mellitus Subjects
The objective of this study is to evaluate the relative bioavailability, and the rate and extent of absorption of bromocriptine in male and female children and adolescent Type 2 Diabetes Mellitus patients, aged 10 to less than…
- Trial name
- NCT02078440
- Testing
- Bromocriptine mesylate
- Where
- 5 sites in United States
- Volunteers
- 18 people
- Sponsor
- VeroScience
Crohn's Disease
Bioavailability of Vitamin D in Children and Adolescents With Crohn's Disease
The purpose of this study is to determine if high doses of vitamin D3 administered orally as adjunct therapy to children with Crohn's disease could improve the outcome of the disease.
- Trial name
- NCT01692808
- Testing
- Vitamin D3 3000 UI daily, Vitamin D3 4000 UI daily
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- St. Justine's Hospital
Cytomegalovirus Infections
A Relative Bioavailability Study of Valcyte (Valganciclovir) in Lung Transplant Recipients With or Without Cystic Fibrosis.
This study will assess the relative bioavailability of ganciclovir from the pro-drug valganciclovir in lung transplant recipients with or without cystic fibrosis.
- Trial name
- NCT00377741
- Testing
- valganciclovir [Valcyte]
- Where
- 5 sites in United States
- Volunteers
- 31 people
- Sponsor
- Hoffmann-La Roche
Neuroblastoma
Oral Liquid 13-cis-retinoic Acid (13-CRA)
An open label, randomised, multiple dose, cross-over relative bioavailability and pharmacokinetics trial of a novel oral liquid and capsule formulations of 13-CRA administered to patients from 0 months - < 21 years.
- Trial name
- My-CRA (NCT03291080)
- Testing
- Liquid 13-Cis Retinoic Acid, Extracted capsules 13-CRA
- Where
- 10 sites in United Kingdom
- Volunteers
- 20 people
- Sponsor
- Nova Laboratories Limited
Multiple Osteochondromas
Registry of Multiple Osteochondromas
REM is a retrospective and prospective registry, finalized for care and research purposes. It is articulated in main sections - strongly related and mutually dependent on each other - corresponding to different data domains…
- Trial name
- REM (NCT04133285)
- Where
- Italy
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Luca Sangiorgi
Cystic Fibrosis, Gastrointestinal Diseases
Phase II Pilot Study to Compare the Bioavailability of Buffered, Enteric-Coated Ursodiol With Unmodified Ursodiol for Chronic Cholestatic Liver Disease and Cystic Fibrosis-Associated Liver Disease
OBJECTIVES: I. Compare the bioavailability of polymer-coated and buffered ursodiol (ursodeoxycholic acid) to unmodified ursodiol in patients with cystic fibrosis-associated liver disease or chronic cholestatic liver disease. II.
- Conditions
- Cystic Fibrosis, Gastrointestinal Diseases, Cholestasis
- Trial name
- NCT00004315
- Testing
- ursodiol
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- National Center for Research Resources (NCRR)
Women at Risk for Pregnancy
A PK Study Comparing VeraCept vs. ParaGard Intrauterine Devices (IUDs)
to Assess the Pharmacokinetic Properties of VeraCept® Intrauterine Contraceptive vs ParaGard® in Healthy, Post- Menarcheal Women
- Trial name
- IUD (NCT03785366)
- Testing
- VeraCept, ParaGard
- Where
- 2 sites in United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Sebela Women's Health Inc.
HIV Infections
A Phase I Trial to Evaluate the Safety and Pharmacokinetics of 1592U89
To assess the safety of single oral doses of 1592U89 (abacavir succinate, ABC) administered to HIV-positive individuals. To determine the pharmacokinetics of 1592U89 after single oral doses.
- Trial name
- NCT00002141
- Testing
- Abacavir sulfate
- Where
- 2 sites in United States
- Volunteers
- 18 people
- Sponsor
- Burroughs Wellcome
Iron Absorption
Iron Bioavailability of Fortified Oat Drink
This study will follow a double blinded randomized controlled study design to enroll 20 apparently healthy 6 year old children. The children will be fed with two different nutrient fortified oat drinks labeled with stable…
- Trial name
- NCT01423162
- Testing
- Dietary Intervention (with Vit C then without Vit C), Dietary Intervention (without Vit C followed by with Vit C)
- Where
- Philippines
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Bioavailability
Bioavailability of Ration Items Containing Tart Cherry Extract
To determine how consuming food items containing shelf-stored tart cherry impacts your body's ability to absorb and use the compounds within tart cherry.
- Trial name
- Tart Cherry (NCT07063173)
- Testing
- Fruit Bar, Powdered Drink, Commercially available 100% tart cherry juice
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Ollier Disease, Maffucci Syndrome
Registry of Ollier Disease and Maffucci Syndrome
REM is a retrospective and prospective registry, finalized to care and research. It is articulated in main sections - strongly related and mutually dependent on each other - corresponding to different data domains: personal…
- Trial name
- ROM (NCT04134572)
- Where
- Italy
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Luca Sangiorgi
Recurrent Prostate Cancer, Stage IV Prostate Cancer
Soy Isoflavones in Treating Patients With Recurrent Prostate Cancer or Rising Prostate-Specific Antigen
RATIONALE: Eating a diet high in soy foods may lower the risk of some types of cancer. Isoflavones are compounds found in soy food that may prevent cancer.
- Trial name
- NCT01682941
- Testing
- Arm I Soy Bread, Arm II Soy-Almond Bread
- Where
- United States
- Volunteers
- 32 people
- Sponsor
- Ohio State University Comprehensive Cancer Center
End Stage Renal Disease
Effects of Exercise and Improved Nitric Oxide Bioavailability on Arteriovenous Fistula Maturation
This project will examine if enhancing Nitric Oxide (NO) bioavailability increases the rates of arteriovenous fistula (AVF) maturation in end stage renal disease patients requiring vascular access for hemodialysis.
- Trial name
- NCT02164318
- Testing
- Handgrip training, Nitroglycerin ointment
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Duke University
Iron Deficiency Anemia, Anemia
Iron Fish in Dominican Republic (DR) Children
The objective of the study is to assess the acceptability, feasibility, and barriers to Lucky Iron Fish™ (LIF) utilization among families with young children in a Latin American community with a high prevalence of iron deficiency…
- Conditions
- Iron Deficiency Anemia, Anemia, Iron-deficiency
- Trial name
- NCT03199235
- Testing
- Lucky Iron Fish, enhanced standard of care
- Where
- Dominican Republic
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Children's Hospital of Philadelphia
Common Cold
Echinaforce Junior Bioavailability Trial
In this bioavailability trial should be shown that the one of the main active constituent in alcoholic echinacea extracts, the alkylamide dodeca-2E,4E,8Z,10E/Z-tetraenoic acid isobutylamide (short: tetraen) is bioavailable in…
- Trial name
- NCT03070314
- Testing
- Echinaforce junior
- Where
- Switzerland
- Sponsor
- A. Vogel AG
Acquired Immunodeficiency Syndrome, HIV Infections
A Phase I /II Study of the Protease Inhibitor Indinavir (MK-0639) in Children With HIV Infection
This is a phase I/II study to determine the safety and tolerance of the protease inhibitor indinavir (MK-0639), alone and then in combination with HIV reverse transcriptase inhibitor therapy in children with HIV infection.
- Trial name
- NCT00001443
- Testing
- indinavir (MK-0639)
- Where
- United States
- Volunteers
- 63 people
- Sponsor
- National Cancer Institute (NCI)
Bioavailability
Assessment of Zinc Absorption From a Phytic Acid Rich Complementary Food
Assessment of zinc absorption from a phytic acid rich complementary food, consumed by young children immediately after the addition of the enzyme phytase. A randomized single blind study
- Trial name
- NCT01506648
- Where
- Burkina Faso
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Swiss Federal Institute of Technology