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> Record changed: 2026-10-13

# A Study in Healthy Volunteers to Compare the Pharmacokinetics of Sotorasib Administered as 1 or 2 Tablets

NCT05327491

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

Phase

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

Recruitment status

Completed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

Participants

146

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

Lead sponsor

Amgen

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

Start date

2022-03-21

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

Number of sites

4

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Title and summary

**Summary**

The primary objective of the study is to compare the pharmacokinetics (PK) of sotorasib administered orally as 1 tablet under fasted conditions to sotorasib administered orally as 2 tablets under fasted conditions.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Short title**

A Study in Healthy Volunteers to Compare the Pharmacokinetics of Sotorasib Administered as 1 or 2 Tablets

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Official title**

An Open-label, Randomized, Crossover Study in Healthy Volunteers to Compare the Pharmacokinetics of Sotorasib Administered as 1 or 2 Tablets

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Status and phase

**Control arm**

Open label

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Registry reports results**

Yes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Recruitment status**

Completed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Phase**

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Dates

**Completion date**

2022-07-17

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**First posted**

2022-04-14

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Registry last updated**

2023-12-14

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Primary completion date**

2022-07-17

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Start date**

2022-03-21

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Size and sites

**Actual participants**

146

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Participants**

146

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Participant count basis**

Actual

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Protocol amendments**

2

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Number of sites**

4

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Sponsor and oversight

**Data monitoring committee**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Lead sponsor**

Amgen

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Identifiers

**Registry ID**

NCT05327491

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**ClinicalTrials.gov ID**

NCT05327491

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Study design

**Allocation**

Randomised

**Model**

Crossover

**Purpose**

Treatment

**Masking**

No masking

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Outcomes

### Primary outcomes

1. Period 1 and 2: Maximum Observed Plasma Concentration (Cmax) of Sotorasib  
Timeframe: Predose, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 24, 36, and 48 hours postdose following administration of sotorasib on the 1st day of each period (Days 1 and 4)
2. Period 1 and 2: Area Under the Plasma Concentration-time Curve From Time Zero to the Last Quantifiable Concentration (AUClast) of Sotorasib  
Timeframe: Predose, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 24, 36, and 48 hours postdose following administration of sotorasib on the 1st day of each period (Days 1 and 4)
3. Period 1 and 2: Area Under the Plasma Concentration-time Curve From Time Zero to Infinity (AUCinf) of Sotorasib  
Timeframe: Predose, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 24, 36, and 48 hours postdose following administration of sotorasib on on the 1st day of each period (Days 1 and 4)

### Secondary outcomes

1. Number of Participants Who Experience a Treatment-emergent Adverse Event (TEAE)  
Timeframe: Day 1 to Day 9  
A TEAE was defined as an adverse event (AE) that started during or after dosing, or started prior to dosing and increased in severity after dosing within each period. Clinically significant laboratory tests, 12-lead electrocardiogram (ECG), or vital sign results as assessed by the Investigator were also recorded as adverse events.
2. Period 3: Cmax of Sotorasib  
Timeframe: Predose, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 24, 36, and 48 hours postdose following administration of sotorasib on the 1st day of Period 3 (Day 7)
3. Period 3: AUClast of Sotorasib  
Timeframe: Predose, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 24, 36, and 48 hours postdose following administration of sotorasib on on the 1st day of Period 3 (Day 7)
4. Period 3: AUCinf of Sotorasib  
Timeframe: Predose, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 8, 10, 12, 24, 36, and 48 hours postdose following administration of sotorasib on the 1st day of Period 3 (Day 7)

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Eligibility

**Sex**

All

**Age groups**

Adults

**Minimum age**

18 Years

**Maximum age**

60 Years

**Healthy volunteers**

Yes

### Inclusion criteria

- Healthy male participants or female participants, between 18 and 60 years of age (inclusive), at the time of Screening.
- Body mass index, between 18 and 30 kg/m^2 (inclusive), at the time of Screening.
- Females of nonchildbearing potential.

### Exclusion criteria

- Inability to swallow oral medication or history of malabsorption syndrome.
- History of hypersensitivity, intolerance, or allergy to any drug compound, food, or other substance, unless approved by the Investigator (or designee) and in consultation with the Sponsor.
- Poor peripheral venous access.
- History or evidence, at Screening or Check in, of clinically significant disorder, condition, or disease, including history of myolysis, not otherwise excluded that, in the opinion of the Investigator (or designee), would pose a risk to participants safety or interfere with the study evaluation, procedures, or completion.

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Sites

- Labcorp Clinical Research Unit - Daytona BeachDaytona Beach, United States
- Miami Research Associates LLC - Main Campus / Late PhaseSouth Miami, United States
- Labcorp Clinical Research Unit - DallasDallas, United States
- Labcorp Clinical Research Unit - MadisonMadison, United States

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## References

- Related resource (www.amgentrials.com)  
Source: [www.amgentrials.com](http://www.amgentrials.com/)

Sources for references

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05327491)

## Related records

### Drugs (1)

- [Sotorasib](https://trialight.com/data/asset/sotorasib-a4359290-f99a-4ef1-8cd1-9a866e8b0748.md)

### Lead sponsors (1)

- [Amgen](https://trialight.com/data/company/amgen-e0106b98-aeaf-49cc-b95a-04f4be619a07.md)

### Targets (1)

- [KRAS](https://trialight.com/data/target/kras-106a796f-110c-5472-9254-9049150fe0f1.md)

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