Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 8, 2026, 1:26 PM EDT

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Showing 1–24 of 63 matching trials from the live ClinicalTrials.gov search.
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Conditions
Bowel Dysfunction, Constipation
Interventions
alvimopan, Placebo
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
137
States / cities
Birmingham, Alabama • Calera, Alabama • Muscle Shoals, Alabama + 114 more
Conditions
Patients With Opioid Induced Constipation
Interventions
Not listed
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 85 Years
Enrollment
520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
24
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 21 more
Conditions
Bowel Dysfunction, Constipation
Interventions
Alvimopan, Placebo
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
805 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
143
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 120 more
Conditions
Opioid-Induced Bowel Dysfunction
Interventions
Lubiprostone, Placebo
Drug
Lead sponsor
Sucampo Pharma Americas, LLC
Industry
Eligibility
18 Years and older
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
94
States / cities
Birmingham, Alabama • Hueytown, Alabama • Mobile, Alabama + 79 more
Conditions
Bowel Dysfunction, Constipation
Interventions
Placebo, Alvimopan, Alviompan
Drug
Lead sponsor
Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
119
States / cities
Birmingham, Alabama • Huntsville, Alabama • Mobile, Alabama + 104 more
Conditions
Opioid-Induced Bowel Dysfunction
Interventions
Lubiprostone, Placebo
Drug
Lead sponsor
Sucampo Pharma Americas, LLC
Industry
Eligibility
18 Years and older
Enrollment
437 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
109
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Tempe, Arizona + 93 more
Completed Not applicable Interventional Results available

Compassionate Use Study of Methylnaltrexone

NCT01368562
Conditions
Opioid-induced Constipation
Interventions
Methylnaltrexone
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Tarrytown, New York
Conditions
Opioid-induced Constipation
Interventions
Tegaserod
Drug
Lead sponsor
Novartis
Industry
Eligibility
18 Years and older
Enrollment
360 participants
Timeline
2006 – 2007
U.S. locations
57
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 49 more
Conditions
Constipation
Interventions
SP-333 1 mg, SP-333 3 mg, SP-333 6 mg, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
42
States / cities
Huntsville, Alabama • Mobile, Alabama • Phoenix, Arizona + 35 more
Conditions
Opioid-Induced Bowel Dysfunction
Interventions
Lubiprostone 24
Drug
Lead sponsor
Sucampo Pharma Americas, LLC
Industry
Eligibility
18 Years and older
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
120
States / cities
Birmingham, Alabama • Hueytown, Alabama • Mobile, Alabama + 95 more
Conditions
Opioid-Induced Constipation
Interventions
Methylnaltrexone, Placebo
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
29
States / cities
Mobile, Alabama • Laguna Hills, California • Lancaster, California + 23 more
Conditions
Constipation
Interventions
Lubiprostone, Senna
Drug
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Constipation, Analgesia
Interventions
Naloxone and Docusate
Drug
Lead sponsor
CAMC Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Charleston, West Virginia
Conditions
Opioid-induced Bowel Dysfunction
Interventions
Lubiprostone, Placebo
Drug
Lead sponsor
Sucampo Pharma Americas, LLC
Industry
Eligibility
18 Years and older
Enrollment
439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
115
States / cities
Athens, Alabama • Birmingham, Alabama • Foley, Alabama + 89 more
Conditions
Opioid Induced Constipation
Interventions
Polyethylene Glycol 3350, Movantik
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 84 Years
Enrollment
276 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
53
States / cities
Huntsville, Alabama • Phoenix, Arizona • Anaheim, California + 46 more
Conditions
Opioid-Induced Constipation (OIC)
Interventions
NKTR-118, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 84 Years
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
68
States / cities
Mobile, Alabama • Pell City, Alabama • Mesa, Arizona + 65 more
Conditions
Cancer, Constipation, Pain
Interventions
Naloxegol, Placebo
Drug
Lead sponsor
Hospice of Henderson County, Inc.
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
3
States / cities
New York, New York • Flat Rock, North Carolina • Cleveland, Ohio
Conditions
Opioid Induced Constipation (OIC)
Interventions
placebo, NKTR-118
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
33
States / cities
Huntsville, Alabama • Pinson, Alabama • Tucson, Arizona + 30 more
Conditions
Opioid-induced Constipation
Interventions
RDC-1036 (ALKS 37), Placebo
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
11
States / cities
Sheffield, Alabama • Anaheim, California • Pasadena, California + 8 more
Conditions
Constipation
Interventions
MOA-728
Drug
Lead sponsor
Bausch Health Americas, Inc.
Industry
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
67
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 53 more
Conditions
Opioid Induced Constipation
Interventions
TD-1211, Placebo
Drug
Lead sponsor
Glycyx Therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Foley, Alabama
Conditions
Constipation
Interventions
Methylnaltrexone, Senna, docusate sodium, bisacodyl, magnesium hydroxide, Miralax
Drug
Lead sponsor
Shriners Hospitals for Children
Other
Eligibility
12 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Spokane, Washington
Conditions
Constipation, Impaction, and Bowel Obstruction, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
naloxone hydrochloride
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Opioid-induced Constipation
Interventions
Naldemedine, Lubiprostone, Naloxegol
Drug
Lead sponsor
BioDelivery Sciences International
Industry
Eligibility
18 Years and older
Enrollment
34,532 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
1
States / cities
Wilmington, Delaware