Safety Study of Orally Administered Curcuminoids in Adult Subjects With Cystic Fibrosis (SEER)
The purpose of this study is to assess the safety of advancing doses of curcuminoids administered orally for fourteen consecutive days in adult subjects with cystic fibrosis (CF) who are homozygous for ΔF508 CFTR.
|Study Design:||Allocation: Non-Randomized
Endpoint Classification: Safety/Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
|Official Title:||A Phase I Safety and Dose Finding Study of Orally Administered Curcuminoids in Adult Subjects With Cystic Fibrosis Who Are Homozygous for Delta F508 Cystic Fibrosis Transmembrane Conductance Regulator (ΔF508 CFTR) Mutation|
- Safety and tolerability of 14 days of treatment with orally administered curcuminoids as assessed by adverse events, laboratory parameters, and spirometry. [ Time Frame: 14 days ] [ Designated as safety issue: Yes ]
- (1) Pharmacokinetics of repeated doses of orally administered curcuminoids. (2) Change in nasal potential difference (NPD) measurements. (3) Change in sweat chloride measurements. [ Time Frame: 14 days ] [ Designated as safety issue: No ]
|Study Start Date:||April 2005|
|Study Completion Date:||January 2006|
standardized turmeric root extract
Drug: standardized turmeric root extract
1.5 gm of standardized tumeric root extract three times per day for seven consecutive days, followed by 3 gm of standardized tumeric root extract three times per day for seven consecutive days
Other Name: AFI Curcuminoids
The drug substance being studied is curcumin. Curcumin (diferuloylmethane) is a major constituent in the spice turmeric, which is used as a food worldwide.
The pharmacologic rationale for studying curcumin for the treatment of cystic fibrosis is the potential for curcumin to help correct a deficiency of the cystic fibrosis transmembrane regulator (CFTR) protein. Cystic fibrosis results from a mutation of the CFTR gene, which produces abnormal CFTR protein that does properly transport chloride ion and water in the lung leading to abnormal mucus production. Curcumin is a potent inhibitor of the endoplasmic reticulum (ER) Ca2+ pump, and lowers ER calcium concentration. This may allow abnormal CFTR protein to function properly as a chloride channel and correct the cystic fibrosis defect. If this is successful, this effect could be measured as a decrease in the nasal potential difference (NPD) and sweat chloride in cystic fibrosis patients.
The primary objective of this study is to assess the safety of advancing doses of curcuminoids administered orally for fourteen consecutive days in adult subjects with cystic fibrosis (CF) who are homozygous for ΔF508 CFTR. The secondary objectives are to obtain pharmacokinetic data for oral curcumoniods in CF subjects and to assess the effectiveness of curcuminoids to alter nasal potential difference (NPD) and seat chloride concentrations.
|United States, Maryland|
|Johns Hopkins Hospital|
|Baltimore, Maryland, United States, 21287|
|United States, Washington|
|University of Washington|
|Seattle, Washington, United States, 98195-6522|
|Principal Investigator:||Chris Goss, MD, MSc||University of Washington|