> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/trial/cr-001-in-adult-participants-with-locally-advanced-or-c70bd803-997e-47b7-8d97-51d1be2bc219
> Record changed: 2026-11-04

# CR-001 in Adult Participants With Locally Advanced or Metastatic Solid Tumors

NCT07335497

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

Phase

Phase 1/Phase 2

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

Recruitment status

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

Participants

540

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

Lead sponsor

Crescent Biopharma, Inc.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

Start date

2026-02-17

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

Number of sites

34

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Title and summary

**Summary**

The purpose of this study is to determine the safety and tolerability of monotherapy CR-001 and identify the maximum tolerated dose (MTD), and/or optimal biologic dose and Recommended Phase 2 Dose(s) (RP2D) in participants with locally advanced or metastatic solid tumors.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Acronym**

ASCEND

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Short title**

CR-001 in Adult Participants With Locally Advanced or Metastatic Solid Tumors

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Official title**

A Phase 1/2, Multicenter, Open-label, Dose Escalation and Dose Expansion Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics, and Antitumor Activity of CR-001 in Adult Participants With Locally Advanced or Metastatic Solid Tumors

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Status and phase

**Control arm**

Open label

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Registry reports results**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Recruitment status**

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Phase**

Phase 1/Phase 2

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Dates

**Completion date**

2029-02-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**First posted**

2026-01-13

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Registry last updated**

2026-10-20

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Primary completion date**

2029-02-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Start date**

2026-02-17

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Size and sites

**Participants**

540

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Participant count basis**

Estimated

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Planned participants**

540

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Protocol amendments**

2

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Number of sites**

34

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Sponsor and oversight

**Data monitoring committee**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Lead sponsor**

Crescent Biopharma, Inc.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Identifiers

**Registry ID**

NCT07335497

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**ClinicalTrials.gov ID**

NCT07335497

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Study design

**Allocation**

Not randomised

**Model**

Sequential

**Purpose**

Treatment

**Masking**

No masking

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Outcomes

### Primary outcomes

1. Part 1 (Dose Escalation) - Incidence and nature of dose-limiting toxicities  
Timeframe: From the first dose of study drug up until approximately 1 month  
Per cohort
2. Part 1 (Dose Escalation) - Characterization of the maximum tolerated dose, if applicable  
Timeframe: From the first dose of study drug up until approximately 1 month  
Per Cohort
3. All parts - Incidence, nature, and severity of treatment emergent adverse events (TEAEs) and treatment - emergent serious adverse events  
Timeframe: From the first dose of study drug until 90 days after the last dose of study drug  
Events graded according to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE)
4. All parts - Incidence and severity of TEAEs leading to dose modifications  
Timeframe: From the first dose of study drug until 90 days after the last dose of study drug
5. All parts - Incidence and severity of TEAEs leading to treatment discontinuation  
Timeframe: From the first dose of study drug until 90 days after the last dose of study drug
6. Part 3 (Dose Expansion) - Overall response rate (ORR) by Investigator assessment per Response Evaluation Criteria in Solid Tumors (RECIST v1.1)  
Timeframe: From the first dose of study drug until 90 days after the last dose of study drug

### Secondary outcomes

1. All parts - Determination of recommended Phase 2 dose(s)  
Timeframe: From the first dose of study drug until 90 days after the last dose of study drug
2. All parts - Serum CR-001 pharmacokinetic parameters  
Timeframe: Predose until up to approximately 36 months  
AUC0--inf after a single dose and steady state parameters, as appropriate
3. All parts - Serum CR-001 pharmacokinetic parameters  
Timeframe: Predose until up to approximately 36 months  
AUClast after a single dose and steady state parameters, as appropriate
4. All parts - Serum CR-001 pharmacokinetic parameters  
Timeframe: Predose until up to approximately 36 months  
Cmax after a single dose and steady state parameters, as appropriate
5. All parts - Serum CR-001 pharmacokinetic parameters  
Timeframe: Predose until up to approximately 36 months  
Tmax after a single dose and steady state parameters, as appropriate
6. All parts - Serum CR-001 pharmacokinetic parameters  
Timeframe: Predose until up to approximately 36 months  
Vd after a single dose and steady state parameters, as appropriate
7. All parts - Serum CR-001 pharmacokinetic parameters  
Timeframe: Predose until up to approximately 36 months  
CL after a single dose and steady state parameters, as appropriate
8. All parts - Serum CR-001 pharmacokinetic parameters  
Timeframe: Predose until up to approximately 36 months  
t½ after a single dose and steady state parameters, as appropriate
9. All parts - Incidence of participants with detectable antidrug antibodies  
Timeframe: Predose until up to approximately 36 months
10. Parts 1, 2 and 4 - Overall response rate  
Timeframe: From the first dose of study drug until up to approximately 36 months
11. Parts 1, 2 and 4 - Duration of response  
Timeframe: From the first dose of study drug until up to approximately 36 months
12. Parts 1, 2 and 4 - Time to response  
Timeframe: From the first dose of study drug until up to approximately 36 months
13. Parts 1, 2 and 4 - Progression free survival  
Timeframe: From the first dose of study drug until up to approximately 36 months
14. Parts 1, 2 and 4 - Overall survival  
Timeframe: From the first dose of study drug until up to approximately 36 months
15. Parts 1, 2 and 4 - Best percent change in target lesions  
Timeframe: From the first dose of study drug until up to approximately 36 months
16. Part 3 (Dose Expansion) - DOR, DCR, TTR, PFS, OS, and best percentage change in target lesions  
Timeframe: From the first dose of study drug until up to approximately 36 months

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Eligibility

**Sex**

All

**Age groups**

Adults, Older adults

**Minimum age**

18 Years

**Healthy volunteers**

No

Key Inclusion Criteria

- Life expectancy ≥ 3 months
- Eastern Cooperative Oncology Group (ECOG) performance status score of 0 - 1
- Adequate organ function and hematologic reserve based on laboratory parameters
- Have measurable disease defined by RECIST v1.1
- For Backfill, Dose Expansion and Dose Optimization: Willingness to provide recent archival tumor tissue sample or willingness to undergo biopsy
- Tumor Indication specific inclusion criteria:
- For dose escalation or backfill: progressing from, intolerant to, or ineligible for (due to unavailability or contraindication) local standard of care therapies and have one of the following locally advanced or metastatic tumor types:

  - Non-small cell lung cancer (NSCLC)
  - Hepatocellular carcinoma (HCC)
  - Biliary tract cancer (BTC)
  - Endometrial carcinoma
  - Cervical cancer
  - Ovarian cancer
  - Gastric or gastroesophageal cancer (GC/GEJ)
  - Colorectal cancer (CRC)
- For dose expansion: have one of the following locally advanced or metastatic tumor types:

  - 1L Non-small cell lung cancer (NSCLC)
  - 1L Colorectal cancer (CRC)
  - 3L Colorectal cancer (CRC)
  - 1L Endometrial carcinoma
  - 1L Gastric or gastroesophageal cancer (GC/GEJ)
  - 2L Gastric or gastroesophageal cancer (GC/GEJ)
  - 1L Biliary tract cancer (BTC)

Key Exclusion Criteria for all parts

- Has malignancies other than disease under study within the past 3 years
- Has conditions requiring treatment with clinically significant or increasing doses of systemic steroid therapy
- Has not adequately recovered from recent major surgery
- Has ongoing clinically significant toxicity related to prior therapy
- Has active central nervous system (CNS) metastases
- Has active autoimmune disease requiring systemic therapy in the past 2 years (replacement therapy is permitted)
- Has a history of serious Grade ≥ 3 immune-related adverse event (irAE)
- Has a history of noninfectious pneumonitis/interstitial lung disease
- Has an active severe infection
- Has received a live or attenuated vaccine within 30 days of the first dose
- Has undergone prior allogeneic stem cell or solid organ transplantation
- Has protocol-specified events related to gastrointestinal perforation, surgery, wound healing complications, and bleeding
- Has clinically significant cardiovascular disease

Key Exclusion Criteria for dose expansion only

- Has received prior anti-PD-1/L1 treatment
- Has history of hypersensitivity reaction to the cohort-specific combination agent(s) or its excipients
- Has any contraindication to the cohort-specific combination agent(s)
- Has Grade >1 neuropathy at Screening NOTE: Other protocol defined Inclusion and Exclusion criteria may apply.

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Sites

- Clinical Study SiteBirmingham, United StatesRecruiting
- Clinical Study SiteLos Angeles, United StatesRecruiting
- Clinical Study SiteDenver, United StatesRecruiting
- Clinical Study SiteWashington D.C., United StatesRecruiting
- Clinical Study SiteOrlando, United StatesRecruiting
- Clinical Study SiteSarasota, United StatesRecruiting
- Clinical Study SiteDetroit, United StatesRecruiting
- Clinical Study SiteGrand Rapids, United StatesRecruiting
- Clinical Study SiteNew York, United StatesRecruiting
- Clinical Study SiteColumbus, United StatesRecruiting
- Clinical Study SitePittsburgh, United StatesRecruiting
- Clinical Study SiteNashville, United StatesRecruiting
- Clinical Study SiteDallas, United StatesRecruiting
- Clinical Study SiteSan Antonio, United StatesRecruiting
- Clinical Study SiteWest Valley City, United StatesRecruiting
- Clinical Study SiteSouth Brisbane, AustraliaWithdrawn
- Clinical Study SiteVillejuif, FranceRecruiting
- Clinical Study SiteDublin, IrelandRecruiting
- Clinical Study SiteCandiolo, ItalyRecruiting
- Clinical Study SiteFlorence, ItalyRecruiting
- Clinical Study SiteMilan, ItalyRecruiting
- Clinical Study SiteCluj-Napoca, RomaniaRecruiting
- Clinical Study SiteBucharest, RomaniaRecruiting
- Clinical Study SiteSongpa-dong, South KoreaRecruiting
- Clinical Study SiteSeongnam-si, South KoreaRecruiting

And 9 more, listed on the interactive page.

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## References

### Other registry identifiers (2)

- 2025
- 2025-523590-42-00

Sources for references

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT07335497)

## Related records

### Drugs (11)

- [Capecitabine](https://trialight.com/data/asset/capecitabine-a5be3dfa-a85f-4c85-8c62-f4ceb74e5f99.md)
- [Carboplatin](https://trialight.com/data/asset/carboplatin-91aa6947-1cbb-486a-b5c6-aaaa6868e24e.md)
- [Cisplatin](https://trialight.com/data/asset/cisplatin-e039621a-d679-4740-88ac-94842bf4a91e.md)
- [Fluorouracil](https://trialight.com/data/asset/fluorouracil-f8444d73-5c73-4f35-aa71-67d578277450.md)
- [Gemcitabine](https://trialight.com/data/asset/gemcitabine-40c84c8f-1f08-4402-bce9-f31ff283382e.md)
- [Leucovorin calcium](https://trialight.com/data/asset/leucovorin-calcium-8da292ca-1b92-4365-b525-77d897b1c096.md)
- [Oxaliplatin](https://trialight.com/data/asset/oxaliplatin-bd23604a-83f3-4d4c-8330-93f435fc2a0b.md)
- [Paclitaxel](https://trialight.com/data/asset/paclitaxel-889db92c-df97-46a6-bf1c-74974a87fa75.md)
- [Pemetrexed](https://trialight.com/data/asset/pemetrexed-2221859e-676b-4d76-97df-e11f3f9664a1.md)
- [Tipiracil](https://trialight.com/data/asset/tipiracil-c9552239-3bb4-4af4-b903-b82f4f24609e.md)
- [Trifluridine](https://trialight.com/data/asset/trifluridine-cf1f965b-3efb-4c26-a766-cb4c7c73675f.md)

### Lead sponsors (1)

- [Crescent Biopharma, Inc.](https://trialight.com/data/company/crescent-biopharma-inc-412d6291-95ed-4ec1-8a1e-2b9d89bca08f.md)

### Conditions (1)

- [Neoplasm](https://trialight.com/data/condition/neoplasm-2a973797-359b-5982-907e-98f9b7c1a284.md)

### Targets (34)

- [DHFR](https://trialight.com/data/target/dhfr-e77e5dcd-f4e0-5e26-b456-0a5b230a72b3.md)
- [GART](https://trialight.com/data/target/gart-01a731ec-9c88-556f-8fc6-2217fab015bc.md)
- [NR1I2](https://trialight.com/data/target/nr1i2-40bab506-b45a-5acc-acc5-9834cb940ee5.md)
- [POLA1](https://trialight.com/data/target/pola1-6c14f4ad-287d-5db2-9291-d03132327a82.md)
- [POLA2](https://trialight.com/data/target/pola2-d3a56190-bd73-5313-bb70-9a3a40afed0e.md)
- [POLD1](https://trialight.com/data/target/pold1-03b091bf-5e97-5f8d-9b70-732298285b52.md)
- [POLD2](https://trialight.com/data/target/pold2-ef9ce07c-4a48-5e3d-bbde-df8a0c94ea7e.md)
- [POLD3](https://trialight.com/data/target/pold3-26e8bdf0-8a6f-54ca-b333-219fdda28006.md)
- [POLD4](https://trialight.com/data/target/pold4-64da7b33-a969-536b-8f29-2d4780a3cc1e.md)
- [POLE](https://trialight.com/data/target/pole-7c5bd469-ec09-5280-b403-49a06f1d7fb0.md)
- [POLE2](https://trialight.com/data/target/pole2-38b134ac-c316-5bbf-85bf-984c1e39a855.md)
- [POLE3](https://trialight.com/data/target/pole3-5dc00842-1a0c-5f94-aa3c-dd7ba00cf923.md)
- [PRIM1](https://trialight.com/data/target/prim1-c2f41ef1-9a92-5cd5-a6b1-e112bb5c39d3.md)
- [PRIM2](https://trialight.com/data/target/prim2-bc77e1b7-71ef-588f-9a25-84ea15688940.md)
- [RRM1](https://trialight.com/data/target/rrm1-fb8ba3a4-5a80-5324-8675-2fd574e5088f.md)
- [RRM2](https://trialight.com/data/target/rrm2-391b8748-e8c4-59d1-9b4e-006b20426d67.md)
- [RRM2B](https://trialight.com/data/target/rrm2b-b1c2454b-b304-5721-ace1-10707ba66f06.md)
- [TUBA1A](https://trialight.com/data/target/tuba1a-f463ed42-1a60-5499-a9d4-1b9bf58dc1a0.md)
- [TUBA1B](https://trialight.com/data/target/tuba1b-9d713a5c-e5d0-50cb-852e-c74562888bab.md)
- [TUBA1C](https://trialight.com/data/target/tuba1c-308bfde0-cfab-509b-8c74-457db8c8b365.md)

---

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