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BIOPIN-6 Active with Naltrexone

Phase 1

Opioid Use Disorder | Small molecule | Psychiatry |Labcorp Holdings Inc.|Last Updated: Apr 28, 2026

Success Probability

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment16

FDA Designations

No designations recorded

Clinical trial landscape

BIOPIN-6 Active with Naltrexone · 1 trial · 1 indication

Phase 1 1
NCT06216132Study of the BIOPIN 6 Naltrexone Implant in Healthy AdultsOpioid Use Disorder
COMPLETED16 Analytics
PHASE1COMPLETED
Study of the BIOPIN 6 Naltrexone Implant in Healthy Adults
Opioid Use DisorderUnlock trial analytics

Study Endpoints

Primary Endpoints

Naltrexone Plasma Concentration Area Under the Curve (AUC₀-Day 98)
Predose and 1, 3, 6, 12, 24, 48, and 72 hours post-implant; Days 7 and 10; Weeks 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11 post-implant; Week 12 pre-explant and 1, 3, 6, 12, 24, 48, 72, and 96 hours post-explant; and Week 14 (Day 98).

Area under the plasma naltrexone concentration-time curve (AUC) from implant placement through Day 98, calculated using noncompartmental pharmacokinetic methods based on serial plasma concentration measurements. Plasma concentrations below the lower limit of quantification (LLOQ) were represented as 0 in the reported results; therefore, 0 values do not represent placeholder entries.

Naltrexone Plasma Levels (Peak)
Predose and 1, 3, 6, 12, 24, 48, and 72 hours post-implant; Days 7 and 10; Weeks 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11 post-implant; Week 12 pre-explant and 1, 3, 6, 12, 24, 48, 72, and 96 hours post-explant; and Week 14 (Day 98).

Naltrexone Peak Plasma Concentration (Cmax) \[ng/ml\]. Plasma concentrations below the lower limit of quantification (LLOQ) were represented as 0 in the reported results; therefore, 0 values do not represent placeholder entries.

Time to Peak Plasma Concentration of Naltrexone (Tmax)
Predose and 1, 3, 6, 12, 24, 48, and 72 hours post-implant; Days 7 and 10; Weeks 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11 post-implant; Week 12 pre-explant and 1, 3, 6, 12, 24, 48, 72, and 96 hours post-explant; and Week 14 (Day 98).

Time to maximum observed plasma concentration (Tmax) of naltrexone following implant placement.

6-β-naltrexol Plasma Concentration Area Under the Curve (AUC₀-98 Days)
Predose and 1, 3, 6, 12, 24, 48, and 72 hours post-implant; Days 7 and 10; Weeks 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11 post-implant; Week 12 pre-explant and 1, 3, 6, 12, 24, 48, 72, and 96 hours post-explant; and Week 14 (Day 98).

Area under the plasma concentration-time curve (AUC) of 6-β-naltrexol from implant placement through Day 98. Plasma concentrations below the lower limit of quantification (LLOQ) were represented as 0 in the reported results; therefore, 0 values do not represent placeholder entries.

6-β-naltrexol Peak Plasma Concentration (Cmax)
Predose and 1, 3, 6, 12, 24, 48, and 72 hours post-implant; Days 7 and 10; Weeks 2, 3, 4, 5, 6, 7, 8, 9, 10, and 11 post-implant; Week 12 pre-explant and 1, 3, 6, 12, 24, 48, 72, and 96 hours post-explant; and Week 14 (Day 98).

Maximum observed plasma concentration (Cmax) of 6-β-naltrexol following implant placement.\[ng/ml\]. Plasma concentrations below the lower limit of quantification (LLOQ) were represented as 0 in the reported results; therefore, 0 values do not represent placeholder entries.

Time to Peak Plasma Concentration of 6-β-naltrexol (Tmax)
Day 0 to Day 98

Time to maximum observed plasma concentration (Tmax) of 6-β-naltrexol following implant placement.

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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
BIOPIN-6 active implantEXPERIMENTALTwo sequential cohorts receiving 4.8 or 9.6 BIOPIN 6 implanted into a subcutaneous pocket in the upper abdominal wall.
BIOPIN-6 placebo implantPLACEBO_COMPARATORThe placebo will be an implant consisting of the poly-d-l Lactic Acid and polycaprolactone contained in BIOPIN 6 without naltrexone.

Interventions

NameTypeDescription
BIOPIN-6 Active Implant with NaltrexoneCOMBINATION_PRODUCTAn extended release formulation of naltrexone implanted in the subcutaneous space.
BIOPIN-6 Placebo ImplantDEVICEThe placebo will be an implant consisting of the poly-d-l Lactic Acid and polycaprolactone contained in BIOPIN 6 without naltrexone.
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: Subjects must meet all of the following criteria to be included in the study: * Healthy male or female volunteer, aged 18-to-55 years, inclusive. * BMI must be between 18 and 32 kg/m2 (inclusive) and weigh a minimum of 50 kg (110 lbs). * If female, be postmenopausal (at least 2...

Countries:United States
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