> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/trial/a-study-of-pf-08046054-sgn-pdl1v-in-advanced-solid-tumors-ec6c17c6-d470-4d5a-ac7c-b8411a02e67d
> Record changed: 2026-10-13

# A Study of PF-08046054/SGN-PDL1V in Advanced Solid Tumors

NCT05208762

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

Phase

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

Recruitment status

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

Participants

714

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

Lead sponsor

Seagen, a wholly owned subsidiary of Pfizer

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

Start date

2022-10-25

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

Number of sites

62

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Title and summary

**Summary**

This study will test the safety of a drug called PF-08046054/SGN-PDL1V alone and with pembrolizumab in participants with solid tumors. It will also study the side effects of this drug. A side effect is anything a drug does to your body besides treating your disease. Participants will have solid tumor cancer that has spread through the body (metastatic) or cannot be removed with surgery (unresectable). This study will have five parts. Parts A and B of the study will find out how much PF-08046054/SGN- PDL1V should be given to participants. Part C will use the dose found in Parts A and B to find out how safe PF-08046054/SGN-PDL1V is and if it works to treat solid tumor cancers. In Part D and E, participants will be given PF-08046054/SGN-PDL1V with pembrolizumab to find out how safe this combination is and if it works to treat solid tumor cancers.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Short title**

A Study of PF-08046054/SGN-PDL1V in Advanced Solid Tumors

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Official title**

A Phase 1 Study of PF-08046054/SGN-PDL1V in Advanced Solid Tumors

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Status and phase

**Control arm**

Open label

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Registry reports results**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Recruitment status**

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Phase**

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Dates

**Completion date**

2029-01-04

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**First posted**

2022-01-26

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Registry last updated**

2026-07-22

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Primary completion date**

2028-01-05

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Start date**

2022-10-25

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Size and sites

**Participants**

714

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Participant count basis**

Estimated

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Planned participants**

714

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Protocol amendments**

7

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Number of sites**

62

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Sponsor and oversight

**Data monitoring committee**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Lead sponsor**

Seagen, a wholly owned subsidiary of Pfizer

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Identifiers

**Registry ID**

NCT05208762

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**ClinicalTrials.gov ID**

NCT05208762

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Study design

**Allocation**

Not randomised

**Model**

Sequential

**Purpose**

Treatment

**Masking**

No masking

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Outcomes

### Primary outcomes

1. Number of participants with adverse events (AEs)  
Timeframe: Through approximately 90 days after last study treatment; up to 3 years  
Any untoward medical occurrence in a clinical investigational participant administered a medicinal product and which does not necessarily have a causal relationship with this treatment.
2. Number of participants with laboratory abnormalities  
Timeframe: Through approximately 90 days after last study treatment; up to 3 years
3. Number of participants with dose-limiting toxicities (DLTs)  
Timeframe: Through the first cycle of study treatment; approximately 1 month
4. Number of participants with DLTs by dose level  
Timeframe: Through the first cycle of study treatment; approximately 1 month

### Secondary outcomes

1. Confirmed objective response rate (ORR) per Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1) by investigator assessment  
Timeframe: Up to approximately 3 years  
The proportion of participants with a partial response (PR) or complete response (CR) which is subsequently confirmed per RECIST v1.1 as assessed by the investigator.
2. Duration of objective response (DOR) per RECIST v1.1 by investigator assessment  
Timeframe: Up to approximately 3 years  
The time from the start of the first documentation of objective tumor response (CR or PR that is subsequently confirmed) to the first documentation of PD (per RECIST v1.1 as assessed by the investigator) or to death due to any cause.
3. Progression-free survival (PFS) per RECIST v1.1 by investigator assessment  
Timeframe: Up to approximately 3 years  
The time from the start of study treatment to the first documentation of PD (per RECIST v1.1 as assessed by the investigator) or death due to any cause.
4. Overall survival (OS)  
Timeframe: Up to approximately 3 years  
The time from the start of study treatment to death due to any cause.
5. Pharmacokinetic (PK) parameter - Area under the concentration-time curve (AUC)  
Timeframe: Through 30-37 days after last study treatment; up to approximately 3 years  
To be summarized using descriptive statistics
6. PK parameter - Maximum concentration (Cmax)  
Timeframe: Through 30-37 days after last study treatment; up to approximately 3 years  
To be summarized using descriptive statistics
7. PK parameter - Trough concentration (Ctrough)  
Timeframe: Through 30-37 days after last study treatment; up to approximately 3 years  
To be summarized using descriptive statistics
8. Incidence of anti-drug antibodies (ADAs)  
Timeframe: Through 30-37 days after last study treatment; up to approximately 3 years  
To be summarized using descriptive statistics

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Eligibility

**Sex**

All

**Age groups**

Adults, Older adults

**Minimum age**

18 Years

**Healthy volunteers**

No

### Inclusion criteria

- Parts A and B:

  - Participants must have one of the following histologically- or cytologically-confirmed metastatic or unresectable solid tumor types

    - Non-small cell lung cancer (NSCLC)
    - Head and neck squamous cell carcinoma (HNSCC) (except nasopharyngeal cancer)
    - Esophageal squamous cell carcinoma (SCC)
    - Triple negative breast cancer (TNBC)
  - Participants must have disease that is relapsed or refractory, that has progressed on approved therapies, be intolerant to or refused such therapies, or such and therapies are contraindicated and in the judgement of the investigator, should have no appropriate SoC therapeutic option
  - Participants must have PD-L1 expression based on historical testing
- Part C:

  - Participants must have disease that is relapsed or refractory or be intolerant to SoC therapies and must have one of the following tumor types

    - HNSCC

      - Participants with HNSCC must have histologically or cytologically-confirmed HNSCC
    - NSCLC

      - Participants must have histologically or cytologically-confirmed NSCLC. Participants with SCC and non--SCC histology are eligible. Note: Participants with a neuroendocrine component or histology are not eligible.
    - Esophageal SCC
    - Pancreatic cancer
    - Hepatocellular carcinoma
    - TNBC
    - Gastric cancer
    - Endometrial cancer
  - Participants must have been previously tested for PD-L1 expression and should have PD-L1 expression ≥1 or <1 by CPS or TPS based on historical testing
- Part D and Part E:

  - Participants must have histologically or cytologically-confirmed disease of the HNSCC or NSCLC
  - Participants must have PD-L1 expression based on historical testing
  - Participants with NSCLC; PD-L1 expression ≥ 1% by TPS
  - Participants with HNSCC; PD--L1 expression ≥1 by CPS
- Eastern Cooperative Oncology Group (ECOG) performance status score of 0 or 1
- Measurable disease per RECIST v1.1 at baseline

### Exclusion criteria

- History of another malignancy within 3 years of first dose of study treatment or any evidence of residual disease from a previously diagnosed malignancy.
- Known active central nervous system metastases. Participants with previously-treated brain metastases may participate provided they:

  - Are clinically stable for at least 4 weeks prior to study entry after brain metastasis treatment
  - Have no new or enlarging brain metastases
  - And are off of corticosteroids prescribed for symptoms associate with brain metastases for at least 7 days prior to first dose of study treatment
- Lepto-meningeal disease
- Prior treatment with an anti-PD-L1 agent within less than 5 half-lives. This duration of time will vary according to the half-life of the specific agent.
- Previous receipt of an monomethylauristatin E (MMAE)-containing agent.
- Pre-existing neuropathy ≥Grade 2 per National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) v5.0.

There are additional inclusion criteria. The study center will determine if criteria for participations are met.

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Sites

- University of Alabama at BirminghamBirmingham, United StatesRecruiting
- University of Alabama at Birmingham, IDS PharmacyBirmingham, United StatesRecruiting
- University of Alabama at BirminghamBirmingham, United StatesRecruiting
- University of Alabama at BirminghamBirmingham, United StatesRecruiting
- Chao Family Comprehensive Cancer Center and Ambulatory CareIrvine, United StatesRecruiting
- UC Irvine Health - Chao Family Comprehensive Cancer CenterOrange, United StatesRecruiting
- University of California Davis Comprehensive Cancer CenterSacramento, United StatesRecruiting
- University of California, Davis Medical CenterSacramento, United StatesRecruiting
- University of IowaIowa City, United StatesRecruiting
- Karmanos Cancer InstituteDetroit, United StatesRecruiting
- Karmanos Cancer InstituteFarmington Hills, United StatesRecruiting
- University Hospitals Cleveland Medical CenterCleveland, United StatesRecruiting
- University of Texas Southwestern Medical Center - Simmons Cancer CenterDallas, United StatesRecruiting
- UT Southwestern Medical Center - RedbirdDallas, United StatesRecruiting
- Univ. of TX Southwestern Medical Center - Zale Lipshy University HospitalDallas, United StatesRecruiting
- University of Texas Southwestern Medical Center - William P. Clements, Jr., University HospitalDallas, United StatesRecruiting
- University Of Texas Southwestern Medical CenterDallas, United StatesRecruiting
- UT Southwestern - Simmons Cancer Center - Fort WorthFort Worth, United StatesRecruiting
- The University of Texas MD Anderson Cancer Center Investigational Pharmacy ServicesHouston, United StatesRecruiting
- The University of Texas MD Anderson Cancer CenterHouston, United StatesRecruiting
- UT Southwestern - Simmons Cancer Center - Richardson/PlanoRichardson, United StatesRecruiting
- NEXT Virginia, LLCSan Antonio, United StatesRecruiting
- South Texas Accelerated Research Therapeutics, LLCSan Antonio, United StatesRecruiting
- START Mountain RegionWest Valley City, United StatesRecruiting
- NEXT VirginiaFairfax, United StatesRecruiting

And 37 more, listed on the interactive page.

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## References

- Related resource (pmiform.com)  
Source: [pmiform.com](https://pmiform.com/clinical-trial-info-request?StudyID=SGNPDL1V-001)

### Other registry identifiers (3)

- 2023
- 2023-506604-18-00
- C5851001

Sources for references

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05208762)

## Related records

### Drugs (1)

- [Pembrolizumab](https://trialight.com/data/asset/pembrolizumab-f9ac1934-47a5-4a53-ae55-20b7d53d8815.md)

### Lead sponsors (1)

- [Seagen, a wholly owned subsidiary of Pfizer](https://trialight.com/data/company/seagen-a-wholly-owned-subsidiary-of-pfizer-cfa70ada-470e-4311-a9a8-67d61cc8f6be.md)

### Conditions (9)

- [Endometrial cancer](https://trialight.com/data/condition/endometrial-cancer-4da2a0bc-7943-502b-a698-cc2beccbed8c.md)
- [Esophageal squamous cell carcinoma](https://trialight.com/data/condition/esophageal-squamous-cell-carcinoma-c10bd9c9-02f9-5805-8008-b021f4604e7a.md)
- [Gastric cancer](https://trialight.com/data/condition/gastric-cancer-3c1e2785-2672-5b3e-afce-9335f684c159.md)
- [Gastric neoplasm](https://trialight.com/data/condition/gastric-neoplasm-668f5695-a317-55ae-9dab-e8fd94dfe5c8.md)
- [Head and neck squamous cell carcinoma](https://trialight.com/data/condition/head-and-neck-squamous-cell-carcinoma-cbc3ae58-4a6c-52e4-a41b-274051db19fa.md)
- [Hepatocellular carcinoma](https://trialight.com/data/condition/hepatocellular-carcinoma-fc1014ac-5a3c-551d-98ea-95306009e299.md)
- [Non-small cell lung carcinoma](https://trialight.com/data/condition/non-small-cell-lung-carcinoma-a86c1d60-523f-5ea7-a5e1-39ed4a2296f8.md) Primary condition
- [Pancreatic adenocarcinoma](https://trialight.com/data/condition/pancreatic-adenocarcinoma-fd65444c-0bc5-53ed-8c6a-62d9809145d0.md)
- [Triple-negative breast carcinoma](https://trialight.com/data/condition/triple-negative-breast-carcinoma-059174a2-9b5f-5234-90b9-4a4fee6eb9bb.md)

### Targets (1)

- [PDCD1](https://trialight.com/data/target/pdcd1-a7b9a076-9fdd-55c9-9ce8-e558e5c7503f.md)

---

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