Tipifarnib in Advanced Squamous NSCLC With Oncogen HRAS MutAtionS

  • STATUS
    Recruiting
  • End date
    Oct 30, 2023
  • participants needed
    18
  • sponsor
    Spanish Lung Cancer Group
Updated on 12 February 2022
platelet count
systemic therapy
measurable disease
metastasis
progressive disease
HRAS
kidney function test
lung carcinoma
secondary malignant neoplasm of liver
squamous non-small cell lung cancer

Summary

This Phase II study consists of 2 parts: 1) pre-screening phase and 2) treatment phase.

The pre-screening phase will investigate the presence of HRAS mutations in subjects with a histologically or cytologically confirmed diagnosis of squamous non-small cell lung cancer (SQ-NSCLC). Subjects may participate in the pre-screening phase at initial diagnosis or following prior lines of therapy for SQ-NSCLC.

The treatment phase will investigate the antitumor activity in terms of ORR of tipifarnib in subjects with locally advanced squamous non-small cell lung cancer (SQ-NSCLC) with HRAS mutations and for whom there is no curative therapy available.

Description

Subject enrolment may proceed with information available on tumor HRAS status previously generated during the pre-screening phase, but all subjects must consent to provide tumor slides (or tumor tissue block) from a prior diagnostic biopsy for a retrospective testing of RAS gene status, including T81C polymorphism, and other potential biomarkers at a central facility.

Tipifarnib will be administered at a starting dose of 600 mg, po, bid daily on days 1-7 and 15-21 of 28-day treatment cycles. In the absence of unmanageable toxicities, subjects may continue to receive tipifarnib treatment for up to 24 months in the absence of disease progression and unmanageable toxicity. Treatment may continue beyond 24 months if there is documented evidence of continued clinical benefit.

Tumor assessments will be performed at screening and approximately every 8 weeks for the first 6 months (cycles 2, 4, 6) and then every 12 weeks (cycles 9, 12, 15, etc.) until disease progression, starting at the end of Cycle 2. Additional tumor assessments may be conducted if deemed necessary by the Investigator or for a confirmation of an objective response. Subjects who discontinue tipifarnib treatment for reasons other than disease progression must continue tumor assessments until disease progression, withdrawal of subject's consent to study procedures or initiation of another anticancer therapy.

Determination of objective tumor response will be performed by the Investigator according to the Response Evaluation Criteria in Solid Tumors (RECIST) v 1.1. Electronic copies of tumor images may be de-identified of subject's personal information at the clinical sites and collected by the Sponsor to undergo an external independent radiological review if the sponsor deems it necessary for the final assessment of treatment efficacy. Subjects with a solitary site of disease who have experienced a response may be considered for surgical resection. Subjects with a best response of a partial response and residual disease after salvage surgery will be eligible to continue on study therapy. Information on the duration of response to the last prior therapy will be collected.

Upon disease progression, subjects will be followed approximately every 12 weeks for survival until either death or 24 months after accrual in the subject's study cohort has been completed, whichever occurs first. Information on subsequent anticancer therapy will be collected.

All subjects will be followed-up for safety during treatment and for approximately 30 additional days after treatment discontinuation (or until immediately before the administration of another anticancer treatment). Additional safety follow up may be conducted if unresolved toxicity is present at the End of Treatment visit.

Details
Condition Non Small Cell Lung Cancer
Treatment Tipifarnib
Clinical Study IdentifierNCT03496766
SponsorSpanish Lung Cancer Group
Last Modified on12 February 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Subject has a histologically or cytologically confirmed diagnosis of squamous non-small cell lung cancer (SQ-NSCLC) for which there is no curative therapy available
Subject has relapsed (progressive disease) or is refractory to one or more prior therapies. In the case of therapy received in the adjuvant or neo-adjuvant setting, relapse must have occurred within 12 months to be considered prior therapy. Subject may have received prior immunotherapy
Subject has a tumor that carries a missense HRAS mutation. HRAS status may have been assessed either in blood, primary tumor tissue, recurrent or metastatic disease
Subject has consented to provide tumor slides (or tumor tissue blocks) for biomarker evaluation. Before enrolment the site must confirm the availability of the tumor sample. If there is no sample available, the trial chair must be contacted for approval. If enrolment in the treatment portion of the study has taken place based on HRAS mutant status as assessed using a blood sample, tumor tissue must be sent before starting cycle 2 of treatment, and It will be used in part for confirmation of HRAS mutant tumor status. Confirmation of HRAS mutant status in tumor tissue is required for continuation of treatment. If HRAS mutation is not confirmed in tumor but is clearly positive in blood, the trial chair will be contacted for approval and the treatment could be maintained. All treated subjects will be evaluated for safety
At least 2 weeks since the last systemic therapy regimen prior to enrolment. Subjects must have recovered to NCI CTCAE v. 4.03 < Grade 2 from all acute toxicities (excluding Grade 2 toxicities that are not considered a safety risk by the Sponsor and Investigator) or toxicity must be deemed irreversible by the Investigator
At least 2 weeks since last radiotherapy. If radiation was localized to the only site of measurable disease, there must be documentation of disease progression of the irradiated site. Subjects must have recovered from all acute toxicities from radiotherapy. Subjects may be on a daily dose of corticosteroids ( 20mg prednisone or equivalent), as part of their management from prior radiotherapy
ECOG (Eastern cooperative oncology group) performance status of 0 or 1. 9. Acceptable liver function
Bilirubin less than 1.5 times upper limit of normal (x ULN); does not apply to subjects with Gilbert's syndrome diagnosed as per institutional guidelines
AST Aspartate Amino-transferasa (SGOT) and ALT Aspartate-Alanina-transferasa (SGPT) less than 3 x ULN; if liver metastases are present, then 5 x ULN is allowed
Acceptable renal function with serum creatinine less than 1.5 x ULN or a calculated creatinine clearance 60 mL/min using the Cockcroft-Gault formula
Acceptable hematologic status
ANC (absolut neuthophil count) 1000 cells/L. b. Platelet count 75,000/L. c. Hemoglobin 9.0 g/dL. 12. Female subjects must be either
Of non-child-bearing potential (surgically sterilized or at least 2 years post-menopausal); or
If of child-bearing potential, subject must use an adequate method of contraception consisting of two-barrier method or one barrier method with a spermicide or intrauterine device. Both females and male subjects with female partners of child-bearing potential must agree to use an adequate method of contraception for 2 weeks prior to screening, during, and at least 4 weeks after last dose of trial medication. Female subjects must have a negative serum or urine pregnancy test within 72 hours prior to start of trial medication
Not breast feeding at any time during the study. 13. Written and voluntary informed consent for the treatment phase understood, signed and dated

Exclusion Criteria

Ongoing treatment with an anticancer agent not contemplated in this protocol
Prior treatment (at least 1 full treatment cycle) with an FTase inhibitor
Any history of clinically relevant coronary artery disease or myocardial infarction within the last 3 years, New York Heart Association (NYHA) grade III or greater congestive heart failure, cerebro-vascular attack within the prior year, or current serious cardiac arrhythmia requiring medication except atrial fibrillation
Known uncontrolled brain, leptomeningeal or epidural metastases (unless treated and well controlled for at least 4 weeks prior to Cycle 1 Day 1)
Non-tolerable > Grade 2 neuropathy or evidence of emerging or rapidly progressing neurological symptoms within 4 weeks of Cycle 1 Day 1. Non-tolerable grade 2 toxicities are defined as those with moderate symptoms that the patient is not able to endure for the conduct of instrumental activities of daily life or that persists 7 days
Major surgery, other than diagnostic surgery, within 4 weeks prior to Cycle 1 Day 1, without complete recovery
Active, uncontrolled bacterial, viral, or fungal infections, requiring systemic therapy. Known infection with HIV, or an active infection with hepatitis B or hepatitis C
Subjects who have exhibited allergic reactions to tipifarnib or structural compounds similar to tipifarnib or to the drug product excipients. This includes hypersensitivity to imidazoles, such as clotrimazole, ketoconazole, miconazole and others in this drug class. Patients with hypersensitivity to these agents will be excluded from enrolment
Required use of concomitant medications classified as strong inhibitors or inducers of cytochrome P450 3A4 (CYP3A4) or UDP-glucuronosyltransferase (UGT)
Concomitant disease or condition that could interfere with the conduct of the study, or that would, in the opinion of the Investigator, pose an unacceptable risk to the subject in this study
The subject has legal incapacity or limited legal capacity
Significantly altered mental status that would limit the understanding or rendering of informed consent and compliance with the requirements of this protocol. Unwillingness or inability to comply with the study protocol for any reason
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