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Trial · NCT04447287

Outcomes22

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYNumber of Participants With Adverse Events (AEs)From first dose of study drug up to end of study visit (up to day 27)The analysis population was the Safety Analysis Set (SAF), which consisted of all participants who received at least 1 dose of ASP8062.ParticipantsNUMBER
PRIMARYNumber of Participants With Suicidal Ideation and/or Suicidal Behavior as Assessed by the Columbia-Suicide Severity Rating Scale (C-SSRS)Up to day 27The analysis population was the SAF, which consisted of all participants who received at least 1 dose of Investigational Product (IP).ParticipantsCOUNT_OF_PARTICIPANTS
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 analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
Percentage of oxygen saturationMEAN
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 analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had both baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
Percentage of oxygen saturationMEAN
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 analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had both baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
Percentage of oxygen saturationMEAN
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 analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had both baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
Percentage of oxygen saturationMEAN
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 analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had both baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
Percentage of oxygen saturationMEAN
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 analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had both baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
Percentage of oxygen saturationMEAN
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
The analysis population was the Safety Analysis Set (SAF), which consisted of all participants who received at least 1 dose of ASP8062. It was pre-specified to assess only the Investigational Period Arms/Groups for this Outcome Measure.
mmHgMEAN
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
The analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had both baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
mmHgMEAN
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
The analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had both baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
mmHgMEAN
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
The analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had both baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
mmHgMEAN
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
The analysis population was the SAF, which consisted of all participants who received at least 1 dose of IP and had both baseline and post dose measures taken. It was pre-specified to assess only the Run-in Period and Investigational Period Arms/Groups for this Outcome Measure.
mmHgMEAN
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)
The analysis population was the Pharmacokinetic Analysis Set (PKAS), which consisted of all participants who received at least 1 dose of ASP8062 for which concentration data was available to facilitate derivation of at least 1 primary pharmacokinetic parameter.
h*ng/mLMEAN
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)
The analysis population was the PKAS, which consisted of all participants who received at least 1 dose of ASP8062 for which concentration data was available to facilitate derivation of at least 1 primary pharmacokinetic parameter.
h*ng/mLMEAN
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)
The analysis population was the PKAS, which consisted of all participants who received at least 1 dose of ASP8062 for which concentration data was available to facilitate derivation of at least 1 primary pharmacokinetic parameter.
ng/mLMEAN
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)
The analysis population was the PKAS, which consisted of all participants who received at least 1 dose of buprenorphine (in any applicable period) and for which concentration data were available to facilitate derivation of at least 1 primary pharmacokinetic parameter.
h*pg/mLMEAN
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)
The analysis population was the PKAS, which consisted of all participants who received at least 1 dose of buprenorphine (in any applicable period) and for which concentration data were available to facilitate derivation of at least 1 primary pharmacokinetic parameter.
pg/mLMEAN
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)
The analysis population was the PKAS, which consisted of all participants who received at least 1 dose of buprenorphine (in any applicable period) and for which concentration data were available to facilitate derivation of at least 1 primary pharmacokinetic parameter.
h*pg/mLMEAN
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)
The analysis population was the PKAS, which consisted of all participants who received at least 1 dose of buprenorphine (in any applicable period) and for which concentration data were available to facilitate derivation of at least 1 primary pharmacokinetic parameter.
pg/mLMEAN

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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