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A Trial of RSC-1255 for Treatment of Patients With Advanced Malignancies

R

Rascal Therapeutics

Status and phase

Enrolling
Phase 1

Conditions

Glioblastoma
Colon Cancer
Lung Cancer
Advanced Malignant Solid Neoplasm
RAS Mutation
Pancreatic Cancer

Treatments

Drug: RSC-1255 Dose Expansion
Drug: RSC-1255 Dose Escalation

Study type

Interventional

Funder types

Industry

Identifiers

NCT04678648
RSC-101

Details and patient eligibility

About

RSC-101 is a Phase 1a/1b clinical trial of RSC-1255 in adult study participants with advanced solid tumor malignancies who are intolerant of existing therapies known to provide clinical benefit, have disease that has progressed after standard therapy, or have previously failed other therapies. The study has two phases. The purpose of Phase 1a (Dose Escalation) is to confirm the appropriate treatment dose and Phase 1b (Dose Expansion) is to characterize the safety and efficacy of RSC-1255.

Full description

RSC-1255 is an orally bioavailable, small-molecule direct pan-mutant and wild-type RAS inhibitor. RSC-101 is a Phase 1a/1b, open-label, multi-center, non-randomized, Dose Escalation and Dose Expansion study in participants with advanced solid tumor malignancies. Study enrollment is approximately 134 participants. All participants receive oral RSC-1255, twice daily as monotherapy. Following Phase 1a (Dose Escalation) to identify the Maximum Tolerated Dose and Recommended Dose for use in Phase 1b, additional participants are enrolled in the Phase 1b (Dose Expansion) to further characterize the safety, pharmacology, and the clinical efficacy of RSC-1255.

Enrollment

134 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Inclusion Criteria (Key Factors):

  1. Has pathologically confirmed advanced or metastatic malignancy characterized by one or more of the following:

    • Participant is intolerant of existing therapy(ies) known to provide clinical benefit for their condition
    • Malignancy is refractory to existing therapy(ies) known to potentially provide clinical benefit
    • Malignancy has progressed on standard therapy
  2. Has evaluable or measurable tumor(s) in dose-escalation by standard radiological and/or laboratory assessments as applicable to their malignancy.

  3. Has adequate performance status (PS): Eastern Co-operative Oncology Group (ECOG).

  4. Is age ≥ 18 years.

Exclusion Criteria (Key Factors):

  1. Participants receiving cancer therapy at the time of enrollment.
  2. Any clinically significant disease or condition affecting a major organ system.
  3. Significant cardiovascular disease or electrocardiogram (ECG) abnormalities.
  4. Known Gilbert's disease.
  5. Has had a previous (within 2 years) or has a current malignancy other than the target cancer.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Sequential Assignment

Masking

None (Open label)

134 participants in 1 patient group

RSC-1255 Treatment
Experimental group
Description:
Single Arm Study. All study participants receive RSC-1255.
Treatment:
Drug: RSC-1255 Dose Escalation
Drug: RSC-1255 Dose Expansion

Trial contacts and locations

5

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Central trial contact

Bonnie Wettersten, MS

Data sourced from clinicaltrials.gov

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