- ICH GCP
- Yhdysvaltain kliinisten tutkimusten rekisteri
- Kliininen tutkimus NCT00764660
Trial Investigating the Efficacy and Safety of SCH 900435 (Org 25935) in Relapse Prevention in Participants With Alcohol Dependence (P05718) (OD-H)
A Prospective, Double-Blind, Placebo-Controlled Trial Investigating the Efficacy and Safety of SCH 900435 (Org 25935) in Relapse Prevention in Subjects With Alcohol Dependence.
Tutkimuksen yleiskatsaus
Opintotyyppi
Ilmoittautuminen (Todellinen)
Vaihe
- Vaihe 2
Osallistumiskriteerit
Kelpoisuusvaatimukset
Opintokelpoiset iät
Hyväksyy terveitä vapaaehtoisia
Sukupuolet, jotka voivat opiskella
Kuvaus
Inclusion Criteria:
- Provide written informed consent after the scope and nature of the investigation, have been explained to the participant before screening;
- Diagnosis of alcohol dependence - meeting at least 5 out of 7 criteria according to Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM-IV-TR) specifier; one of which should be criterion 1 (tolerance) or 2 (withdrawal);
- Primary complaints according to Mini-International Neuropsychiatric Interview (MINI) should be alcohol problems;
- Participants must have gone through a detoxification program, have a clearly stated desire to stay abstinent and present at baseline with the following: be alcohol abstinent for at least 3 days, benzodiazepine free for at least 3 days, and a Clinical Institute Withdrawal Assessment (CIWA) score <10;
- Age 18-65 years at screening;
- Males, or females who are not of childbearing potential (i.e., surgically sterile, postmenopausal for at least one year) or who are non-pregnant, non-lactating and using a medically accepted method of contraception; these include condoms with or without a spermicidal agent, diaphragm or cervical cap with spermicide, medically prescribed intrauterine device (IUD), and hormonal contraceptives;
- Body Mass Index (BMI) >16 kg/m^2;
- Breath alcohol concentration < 0.02% (at screening and baseline)
Exclusion Criteria:
- Participants requiring pharmacological treatment for a primary diagnosis of major depressive disorder, anxiety, panic disorder or social phobia;
- Participants with psychotic disorders (according to MINI);
- Participants with a medium or high suicidality risk (as assessed by MINI)
- Active substance abuse (resulting in either physical or mental damage as defined by International Statistical Classification of Diseases and Related Health Problems, 10th revision [ICD10] or dependence other than alcohol (excluding nicotine) within 12 months prior to screening, e.g. cannabis, benzodiazepine, amphetamines, chlo(r)methiazole, opiates, cocaine, hallucinogens or other substances;
- Use of one of the following drugs during the last 14 days prior to screening: cannabis, amphetamines, opiates, cocaine, hallucinogens;
- Use of any medication that can have an effect on alcohol consumption within 30 days of study initiation, including naltrexone, acamprosate, disulfiram, ondansetron, topiramate, selective serotonin reuptake inhibitors (SSRIs), mirtazapine, varencicline, gabapentin, levetiracetam;
- A clinically relevant visual disturbance, such as cataract, color blindness, macular degeneration, glaucoma or retinal disease;
- Untreated or uncompensated clinically significant renal, endocrine, hepatic, respiratory, cardiovascular, hematological, immunological or cerebrovascular disease, malignancy, or other chronic and/or degenerative process at screening;
- Any clinically meaningful abnormal laboratory, vital sign, physical examination or electrocardiogram (ECG) finding which, in the opinion of the investigator, may interfere with the interpretation of safety or efficacy evaluations;
- QTc interval (Fridericia corrected) at screening >450 ms (male), >470 ms (female);
- Serious neuropsychiatric condition that can impair judgment or cognitive function (including dementia or amnestic disorder) to an extent that providing informed consent or complying with treatment is precluded;
- History or present evidence of epileptic disorders or withdrawal seizures;
- History of substance withdrawal delirium;
- Breast-feeding woman, or a positive result of urine pregnancy test (at screening), or plan to become pregnant during the course of the trial (females only);
- Pending legal charges with the potential for incarceration, probation, or parole;
- Homelessness (less than 2 months stable residence);
- Participation in a clinical trial during the 3 months prior to screening.
Opintosuunnitelma
Miten tutkimus on suunniteltu?
Suunnittelun yksityiskohdat
- Ensisijainen käyttötarkoitus: Hoito
- Jako: Satunnaistettu
- Inventiomalli: Rinnakkaistehtävä
- Naamiointi: Nelinkertaistaa
Aseet ja interventiot
Osallistujaryhmä / Arm |
Interventio / Hoito |
---|---|
Kokeellinen: SCH 900435
Participants received SCH 900435 12 mg (as three SCH 900435 4 mg tablets) by mouth twice daily for 12 weeks.
|
tablets
Muut nimet:
|
Placebo Comparator: Placebo
Participants received matching placebo tablets by mouth twice daily for 12 weeks.
|
tabletteja
|
Mitä tutkimuksessa mitataan?
Ensisijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
---|---|---|
Percentage of Heavy Drinking Days
Aikaikkuna: 12 weeks
|
Percentage of heavy drinking days was defined as days with ≥5 standard drinks for men and ≥4 standard drinks for women assessed by Alcohol Timeline Follow Back (TLFB) method. The Alcohol TLFB is a drinking assessment method that obtains estimates of daily drinking by means of an interview between investigator and participant. The TLFB assesses recent drinking behavior. On the TLFB, clients retrospectively estimate their daily alcohol consumption in standard drinks over a time period prior to the interview, and thus the measure provides quantitative estimates of alcohol use. A drink is standardized to an equivalent to 25-30 cL of beer or wine coolers (5% alcohol), 12-15 cL of table wine (11-14% alcohol) and 4-6 cL of hard liquor/spirits (35-40% alcohol). Percentage was calculated based on number of heavy drinking days divided by total number of days in the given 2-week interval. |
12 weeks
|
Toissijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
---|---|---|
Number of Drinks Per Drinking Day
Aikaikkuna: 12 weeks
|
The amount of drinking was defined as drinks per drinking day (TLFB).
Drinking day is a day on which an alcoholic drink is consumed, with 'day' being defined as the period between waking up and going to sleep; the end of a day may have crossed the time point of midnight.
|
12 weeks
|
Number of Relapses Into Heavy Drinking
Aikaikkuna: 12 weeks
|
An alcohol relapse was defined as either a daily alcohol intake of 5 or more drinks for males and 4 or more drinks for females or an overall consumption of 14 drinks or more per week during at least 4 weeks (TLFB).
|
12 weeks
|
Number of Lapses Into Any Drinking
Aikaikkuna: 12 weeks
|
An alcohol lapse was defined as any episode of alcohol consumption not classified as a relapse (TLFB).
|
12 weeks
|
Time to First Relapse Into Drinking
Aikaikkuna: 12 weeks
|
Time to relapse was defined as the time to first relapse into heavy drinking (TLFB).
A Hazard Ratio (SCH 900435/Placebo) of <1 means that SCH 900435 has a lower risk of relapsing as compared to Placebo.
|
12 weeks
|
Percentage of Abstinent Days
Aikaikkuna: 12 weeks
|
Percentage of abstinent days is the percentage of study days in which participants remained abstinent during the treatment period.
|
12 weeks
|
Percentage of Participants With Complete Abstinence
Aikaikkuna: 12 weeks
|
Percentage of total abstinence is the percentage of participants who remained abstinent during the entire treatment period.
|
12 weeks
|
Global Functioning: Clinical Global Impression (CGI) - Severity of Illness
Aikaikkuna: Day 84
|
The CGI scale is a standardized tool used by investigators to rate the severity of illness, taking into account the participant's clinical condition and the severity of side effects.
The CGI scores could range from 1 to 7, with a lower score reflecting a better outcome.
|
Day 84
|
Global Functioning: CGI - Therapeutic Effect
Aikaikkuna: Day 84
|
The CGI scale is a standardized tool used by investigators to rate the efficacy of study drug (therapeutic effect), taking into account the participant's clinical condition and the severity of side effects.
The CGI scores could range from 1 to 7, with a lower score reflecting a better outcome.
|
Day 84
|
Change From Baseline in Craving Visual Analog Scale (VAS) Score
Aikaikkuna: Baseline and Day 84
|
Rating of craving is included to assess a potential relationship between treatment and craving severity.
Participants were asked to answer the question: "Over the past week, what has your desire or craving for an alcoholic beverage been at the time of day that you usually drink?"
The 100 mm line of the VAS was anchored on the left by "No desire at all" and on the right by "Extreme desire".
Participants marked a spot on the line where they felt their craving severity fit best.
Craving VAS scores could range from 0 to 100, with a lower VAS score reflecting a better outcome.
|
Baseline and Day 84
|
Change From Baseline in Motivation VAS Score
Aikaikkuna: Baseline and Day 84
|
Participants were asked to answer the question: "Over the past week, how motivated were you to stay alcohol abstinent?"
The 100 mm line of the VAS was anchored on the left by "No motivation at all" and on the right by "Extremely motivated".
Motivation VAS scores could range from 0 to 100, with a higher score reflecting a better outcome.
|
Baseline and Day 84
|
Change From Baseline in Mood VAS Score
Aikaikkuna: Baseline and Day 84
|
Participants were asked to answer the question: "Over the past week, how did you feel?"
The 100 mm line of the VAS was anchored on the left by "Extremely bad" and on the right by "Extremely good".
Mood VAS scores could range from 0 to 100, with a higher VAS score reflecting a better outcome.
|
Baseline and Day 84
|
Number of Participants Who Experienced an Adverse Event (AE)
Aikaikkuna: Up to 16 weeks
|
An AE was defined as any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of study drug, whether or not related to the study drug.
|
Up to 16 weeks
|
Number of Participants Who Discontinued Study Drug Due to an AE
Aikaikkuna: Up to 12 weeks
|
An AE was defined as any unfavorable and unintended sign (including an abnormal laboratory finding), symptom, or disease temporally associated with the use of study drug, whether or not related to the study drug.
|
Up to 12 weeks
|
Yhteistyökumppanit ja tutkijat
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Opintojen ennätyspäivät
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Opiskelun aloitus (Todellinen)
Ensisijainen valmistuminen (Todellinen)
Opintojen valmistuminen (Todellinen)
Opintoihin ilmoittautumispäivät
Ensimmäinen lähetetty
Ensimmäinen toimitettu, joka täytti QC-kriteerit
Ensimmäinen Lähetetty (Arvio)
Tutkimustietojen päivitykset
Viimeisin päivitys julkaistu (Todellinen)
Viimeisin lähetetty päivitys, joka täytti QC-kriteerit
Viimeksi vahvistettu
Lisää tietoa
Tähän tutkimukseen liittyvät termit
Muita asiaankuuluvia MeSH-ehtoja
Muut tutkimustunnusnumerot
- P05718
- 2008-005318-35 (EudraCT-numero)
- 172009 (Muu tunniste: Organon Protocol Number)
- MK-8435-003 (Muu tunniste: Merck Protocol Number)
Yksittäisten osallistujien tietojen suunnitelma (IPD)
Aiotko jakaa yksittäisten osallistujien tietoja (IPD)?
IPD-suunnitelman kuvaus
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