TAK-071 Scopolamine-Induced Cognitive Impairment Study
Healthy Volunteers

About this trial
This is an interventional basic science trial for Healthy Volunteers focused on measuring Drug Therapy
Eligibility Criteria
Inclusion Criteria:
1. Weighs at least 50 kilogram (kg) and has a body mass index (BMI) from 18.0 to 30.0 kilogram per square meter (kg/m^2), inclusive at Screening.
Additional inclusion criteria for Part 2:
- Able to perform the CogState battery.
- Change from Baseline (average) in total GMLT errors of less than or equal to (<=) -5 at 2 hours postdose of scopolamine.
- Sleepiness score less than (<) 8 on the karolinska sleepiness scale (KSS) at 2 hours postdose of scopolamine.
- Passes a hearing test with at least 80 percent (%) correct responses and no more than 20% false positives. This test can be repeated once to determine eligibility.
Exclusion Criteria:
- Has a history of drug abuse (defined as any illicit drug use) or a history of alcohol abuse (defined as regular consumption of 4 or more units per day) within 1 year prior to the Screening visit or is unwilling to agree to abstain from alcohol and drugs throughout the study. One unit is equivalent to a half-pint of beer or 1 measure of spirits or 1 glass of wine.
- Has used nicotine-containing products (including but not limited to cigarettes, pipes, cigars, chewing tobacco, nicotine patch or nicotine gum) within 28 days prior to Check-in Day -1 of Period 1. Cotinine test is positive at Screening or Check-in (Day -1) of Period 1.
- Has poor peripheral venous access.
- Has donated or lost 450 milliliter (mL) or more of his blood volume (including plasmapheresis), or had a transfusion of any blood product within 30 days prior to Day 1 of Period 1.
- Is a shift worker (night, late, or early resulting in irregular bed times) or has crossed or will cross more than 2 time zones within 48 hours in the period from 48 hours prior to Treatment Period 1, Day 1 until the end of Treatment Period 5.
- Reports symptoms suggesting evidence of a current sleep disorder or history of sleep disorder, including but not limited to sleep apnea, heavy snoring, primary or chronic insomnia, narcolepsy or restless leg syndrome, as judged by medical history.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Arm 8
Arm 9
Arm 10
Arm 11
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Part 1: TAK-071 80 mg + Scopolamine 0.5 mg
Part 2: Treatment Sequence ABDEC
Part 2: Treatment Sequence BCEAD
Part 2: Treatment Sequence CDABE
Part 2: Treatment Sequence DEBCA
Part 2: Treatment Sequence EACDB
Part 2: Treatment Sequence ACBED
Part 2: Treatment Sequence BDCAE
Part 2: Treatment Sequence CEDBA
Part 2: Treatment Sequence DAECB
Part 2: Treatment Sequence EBADC
TAK-071 80 milligram (mg), drug in capsule (DIC), orally, Day 1, followed by scopolamine 0.5 mg, injection, subcutaneously, Day 2. TAK-071 will be taken 24 hours before scopolamine injection.
TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period1(A); followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period2(B);followed by TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period3(D);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period4(E);followed by TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period5(C). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.
TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period1(B);followed by TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period2(C);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period3(E);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period4(A);followed by TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period5(D). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.
TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period1(C);followed by TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period2(D);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period3(A);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period4(B);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period5(E). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.
TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period1(D);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period2(E);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period3(B);followed by TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period4(C);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period5(A). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.
TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period1(E);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period2(A);followed by TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period3(C);followed by TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period4(D);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period5(B). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.
TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period1(A);followed by TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period2(C);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period3(B);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period4(E);followed by TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period5(D). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.
TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period1(B);followed by TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period2(D);followed by TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period3(C);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period4(A);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period5(E). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.
TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period1(C);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period2(E);followed by TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period3(D);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period4(B);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period5(A). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.
TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period1(D);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period2(A);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period3(E);followed by TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period4(C); followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period5(B). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.
TAK-071 placebo-matching DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period1(E);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period2(B);followed by TAK-071 placebo-matching DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine placebo-matching injection,SC,Day2 of Period3(A);followed by TAK-071 80mg, DIC, orally,Day1, donepezil 10mg, over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period4(D);followed by TAK-071 80mg, DIC, orally,Day1, donepezil placebo-matching over-encapsulated tablet, orally along with scopolamine 0.5mg, injection,SC,Day2 of Period5(C). TAK-071 and donepezil will be taken 24 and 3 hours before scopolamine injection. A washout period of 3-weeks will be maintained between each treatment period.