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Trial · NCT04447287

Registered outcomes22

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryNumber of Participants With Adverse Events (AEs)From first dose of study drug up to end of study visit (up to day 27)
An AE is defined as any untoward medical occurrence in a participant administered an Investigational Product (IP) and which does not necessarily have to have a causal relationship with this treatment. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding; abnormal laboratory test result or other safety assessment, symptom, or disease temporally associated with the use of IP whether or not considered related to the IP. A treatment-emergent adverse event (TEAE) was defined as an AE with onset at any time from first dosing until last scheduled procedure. AEs were considered serious (SAEs) if the AE resulted in death, was life-threatening, resulted in persistent or significant disability/incapacity or substantial disruption of the ability to conduct normal life functions, resulted in congenital anomaly, or birth defect or required inpatient hospitalization or led to prolongation of hospitalization.
PrimaryNumber of Participants With Suicidal Ideation and/or Suicidal Behavior as Assessed by the Columbia-Suicide Severity Rating Scale (C-SSRS)Up to day 27
The Columbia-Suicide Severity Rating Scale (C-SSRS) is a clinician administered assessment tool that evaluates suicidal ideation and behavior. Number of participants that have an affirmative response to the 5 items for suicidal ideation (1. Wish to be dead, 2. Non-specific active suicidal thoughts, 3. Active suicidal ideation with any methods (not plan) without intent to act, 4. Active suicidal ideation with some intent to act, without specific plan, 5. Active suicidal ideation with specific plan and intent) and/or to the 5 items for suicidal behavior (1. Preparatory acts or behavior, 2. Aborted attempt, 3. Interrupted attempt, 4. Actual attempt, 5. Completed suicide) were reported.
PrimaryChange From Baseline in Blood Oxygen Saturation (SpO2) at Predose
'buprenorphine/naloxone': Baseline and 1 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 1 hour postdose Day 12
The blood oxygen saturation (SpO2 was measured using a pulse oximeter placed on the participant's fingertip. Change from baseline in SpO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'. Baseline observation was last non-missing observation prior to first dose.
PrimaryChange From Baseline in Blood Oxygen Saturation (SpO2) at 1 Hour Postdose
'buprenorphine/naloxone': Baseline and 1 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 1 hour postdose Day 12
The blood oxygen saturation (SpO2) was measured using a pulse oximeter placed on the participant's fingertip. Change from baseline in SpO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'. Baseline observation was last non-missing observation prior to first dose.
PrimaryChange From Baseline in Blood Oxygen Saturation (SpO2) at 2 Hour Postdose
'buprenorphine/naloxone': Baseline and 2 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 2 hour postdose Day 12
The blood oxygen saturation (SpO2) was measured using a pulse oximeter placed on the participant's fingertip. Change from baseline in SpO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'. Baseline observation was last non-missing observation prior to first dose.
PrimaryChange From Baseline in Blood Oxygen Saturation (SpO2) at 4 Hour Postdose
'buprenorphine/naloxone': Baseline and 4 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 4 hour postdose Day 12
The blood oxygen saturation (SpO2) was measured using a pulse oximeter placed on the participant's fingertip. Change from baseline in SpO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'. Baseline observation was last non-missing observation prior to first dose.
PrimaryChange From Baseline in Blood Oxygen Saturation (SpO2) at 8 Hour Postdose
'buprenorphine/naloxone': Baseline and 8 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 8 hour postdose Day 12
The blood oxygen saturation (SpO2) was measured using a pulse oximeter placed on the participant's fingertip. Change from baseline in SpO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'. Baseline observation was last non-missing observation prior to first dose.
PrimaryChange From Baseline in Blood Oxygen Saturation (SpO2) at 12 Hour Postdose
'buprenorphine/naloxone': Baseline and 12 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 12 hour postdose Day 12
The blood oxygen saturation (SpO2) was measured using a pulse oximeter placed on the participant's fingertip. Change from baseline in SpO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'. Baseline observation was last non-missing observation prior to first dose.
PrimaryChange From Baseline in End Tidal Carbon Dioxide (CO2) at Predose'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and predose Day 12
End tidal CO2 measurements was obtained per participant utilizing a portable bedside capnography device. Change from baseline in CO2 was calculated as Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'.
PrimaryChange From Baseline in End Tidal Carbon Dioxide (CO2) at 1 Hour Postdose
'buprenorphine/naloxone': Baseline and 1 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 1 hour postdose Day 12
End tidal CO2 measurements was obtained per participant utilizing a portable bedside capnography device. Change from baseline in CO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'.
PrimaryChange From Baseline in End Tidal Carbon Dioxide (CO2) at 2 Hour Postdose
'buprenorphine/naloxone': Baseline and 2 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 2 hour postdose Day 12
End tidal CO2 measurements was obtained per participant utilizing a portable bedside capnography device. Change from baseline in CO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'.
PrimaryChange From Baseline in End Tidal Carbon Dioxide (CO2) at 4 Hour Postdose
'buprenorphine/naloxone': Baseline and 4 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 4 hour postdose Day 12
End tidal CO2 measurements was obtained per participant utilizing a portable bedside capnography device. Change from baseline in CO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'.
PrimaryChange From Baseline in End Tidal Carbon Dioxide (CO2) at 8 Hour Postdose
'buprenorphine/naloxone': Baseline and 8 hour postdose Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone': Baseline and 8 hour postdose Day 12
End tidal CO2 measurements was obtained per participant utilizing a portable bedside capnography device. Change from baseline in CO2 was calculated as Day 11 minus Baseline for arm 'buprenorphine/naloxone', and Day 12 minus Baseline for arms 'ASP8062 in combination with buprenorphine/naloxone' and 'Placebo ASP8062 in combination with buprenorphine/naloxone'.
SecondaryPharmacokinetics (PK) of ASP8062 in Plasma: Area Under the Concentration-time Curve From the Time of Dosing Extrapolated to Time Infinity (AUCinf)Predose on day 12 and at the following postdose time points on day 12: 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16, 24, 36, 48, 60, 72, 96, 120, 144, 168, 216 and 264 hour(s)AUCinf was recorded from the PK plasma samples collected. Samples for AUCinf were collected for arm 'ASP8062 in combination with buprenorphine/naloxone' at Day 12.
SecondaryPharmacokinetics (PK) of ASP8062 in Plasma: Area Under the Concentration-time Curve From the Time of Dosing to the Last Measurable Concentration (AUClast)Predose on day 12 and at the following postdose time points on day 12: 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16, 24, 36, 48, 60, 72, 96, 120, 144, 168, 216 and 264 hour(s)AUClast was recorded from the PK plasma samples collected. Samples for AUClast were collected for arm 'ASP8062 in combination with buprenorphine/naloxone' at Day 12.
SecondaryPharmacokinetics (PK) of ASP8062 in Plasma: Maximum Concentration (Cmax)Predose on day 12 and at the following postdose time points on day 12: 0.25, 0.5, 1, 1.5, 2, 2.5, 3, 4, 6, 8, 12, 16, 24, 36, 48, 60, 72, 96, 120, 144, 168, 216 and 264 hour(s)Cmax was recorded from the PK plasma samples collected. Samples for Cmax were collected for arm 'ASP8062 in combination with buprenorphine/naloxone' at Day 12.
SecondaryPharmacokinetics (PK) of Buprenorphine in Plasma: Area Under the Concentration-time Curve From the Time of Dosing to 24 Hours (AUC24)Predose on day 11 and at the following postdose time points on day 11: 0.25, 0.5, 1, 1.5, 2, 3, 4, 8, 12 and 16 hour(s)
AUC24 was recorded from the PK plasma samples collected. Samples for AUC24 were collected for arm 'buprenorphine/naloxone' at Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'ASP8062 in combination with Placebo' at Day 12.
SecondaryPharmacokinetics (PK) of Buprenorphine in Plasma: CmaxPredose on day 11 and at the following postdose time points on day 11: 0.25, 0.5, 1, 1.5, 2, 3, 4, 8, 12 and 16 hour(s)
Cmax was recorded from the PK plasma samples collected. Samples for Cmax were collected for arm 'buprenorphine/naloxone' at Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'ASP8062 in combination with Placebo' at Day 12.
SecondaryPharmacokinetics (PK) of Norbuprenorphine (Buprenorphine's Metabolite) in Plasma: AUC24Predose on day 11 and at the following postdose time points on day 11: 0.25, 0.5, 1, 1.5, 2, 3, 4, 8, 12 and 16 hour(s)
AUC24 was recorded from the PK plasma samples collected. Samples for AUC24 were collected for arm 'buprenorphine/naloxone' at Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'ASP8062 in combination with Placebo' at Day 12.
SecondaryPharmacokinetics (PK) of Norbuprenorphine (Buprenorphine's Metabolite) in Plasma: CmaxPredose on day 11 and at the following postdose time points on day 11: 0.25, 0.5, 1, 1.5, 2, 3, 4, 8, 12 and 16 hour(s)
Cmax was recorded from the PK plasma samples collected. Samples for Cmax were collected for arm 'buprenorphine/naloxone' at Day 11; 'ASP8062 in combination with buprenorphine/naloxone' and 'ASP8062 in combination with Placebo' at Day 12.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

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GET https://conductscience.org/api/trials/v1/NCT04447287/registered