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A Phase II Trial of Pemetrexed in Combination With Gemcitabine as First Line Treatment in Extensive-Stage Small Cell Lung Carcinoma

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Trial Conditions
  • Carcinoma, Small Cell
What is the purpose of this trial?

The purpose of the study is to determine whether pemetrexed and gemcitabine cause good tumour shrinkage when given to patients with previously untreated extensive-stage small cell lung cancer. The second purpose is to see if the side effects appear better than what is expected with standard chemotherapy.

Date & Status

Terminated

Who can Participate?

Eligibility

Ages:
18 and older

Gender:
Both

Eligibility

Inclusion Criteria:

- Histological or cytological confirmation of extensive small cell lung cancer. For
this study, extensive stage disease will be defined as including those patients whose
disease cannot be encompassed in a curative radiation field. While this definition
varies by treating center, it will include patients with metastatic disease to
contralateral lung parenchyma or other organs (e.g. liver) and may include patients
with contralateral supraclavicular, mediastinal, or hilar lymph nodes or a pleural
effusion.

- Patients must have measurable disease, defined as at least one lesion that can be
accurately measured in at least one dimension (longest diameter to be recorded) as
>20 mm with conventional techniques or as >10 mm with spiral computed tomography (CT)
scan.

- No history of prior chemotherapy or experimental therapy for extensive or recurrent
small cell lung cancer (SCLC). Subjects may have received chemotherapy as part of
treatment for limited disease, but such chemotherapy must have been completed at
least 6 months prior to the diagnosis of recurrent disease.

- Prior radiation therapy is permitted if acute side effects have resolved; if the site
of radiation was not the only measurable tumor site; and if less than 25% of the bone
marrow was treated.

- Age > 18 years. Because no dosing or adverse event data are currently available on
the use of pemetrexed in combination with gemcitabine in patients <18 years of age,
children are excluded from this study.

- ECOG performance status 0-1.

- Patients must have normal organ and marrow function as defined below:

- leukocytes > 3,000/uL;

- absolute neutrophil count > 1,500/uL;

- platelets > 100,000/uL;

- total bilirubin < 1.5 X institutional limits;

- AST (SGOT)/ALT (SGPT) < 2 X institutional limits OR < 3 times the upper limit of
normal in the presence of liver metastases;

- serum sodium > 125 mEq/L and no syndrome of inappropriate antidiuretic hormone
secretion (SIADH);

- creatinine within normal institutional limits;
AND

- creatinine clearance > 45 mL/min by the Cockroft and Gault formula for patients
with creatinine levels above institutional normal.

- Brain metastases are permitted if radiation has been administered, the subject has
recovered, and corticosteroids are not required.

- The effects of pemetrexed and gemcitabine on the developing human fetus at the
recommended therapeutic dose are unknown. For this reason and because anti-folate
agents are known to be teratogenic, women of child-bearing potential and men must
agree to use adequate contraception (hormonal or barrier method of birth control;
abstinence) prior to study entry and for the duration of study participation. Should
a woman become pregnant or suspect she is pregnant while participating in this study,
she should inform her treating physician immediately.

- Ability to understand and the willingness to sign a written informed consent
document.

Exclusion Criteria:

- Patients may not be receiving any other investigational agents.

- History of allergic reactions attributed to compounds of similar chemical or biologic
composition to pemetrexed or gemcitabine.

- Pleural effusion, unless it is small, is asymptomatic, or a thoracentesis can be
performed to render it small and asymptomatic prior to enrollment. Patients with
significant ascites are ineligible.

- Evidence of superior vena cava syndrome or the threat of imminent obstruction of
central vessels or major airways.

- Extensive liver involvement with tumor such that any significant degree of
progression would increase the subject's risk of morbidity or mortality.

- A major, symptomatic, paraneoplastic syndrome such as SIADH, Eaton-Lambert, Cushing's
syndrome, encephalomyelitis, etc.

- A history of prior or concurrent malignancy other than in situ carcinoma of the
cervix or adequately treated basal cell carcinoma of the skin or other malignancy
treated > 5 years previously without evidence of recurrence.

- Significant comorbidity that in the judgement of the investigator would increase the
subject's risk of toxicity or death while on study.

- Pregnant women are excluded from this study because pemetrexed is an agent with the
potential for teratogenic or abortifacient effects. Because there is an unknown but
potential risk for adverse events in nursing infants secondary to treatment of the
mother with pemetrexed or gemcitabine, breastfeeding should be discontinued if the
mother is treated with either agent.

- Candidates who are unwilling or unable to take vitamin supplementation or
dexamethasone as outlined in the protocol; or who are unwilling or unable to
interrupt nonsteroidal anti-inflammatories and salicylates (ASA) as outlined in the
protocol.

Gender: Both
Steward Physician(s)
  • John R Goffin, MD FRCPC
  • John McCann, MD
  • Walter A Kagan, MD PhD
Trial Interventions
Drug
  • pemetrexed and gemcitabine
Physician Researcher

Investigator Name:

  • John R Goffin, MD FRCPC
  • John McCann, MD
  • Walter A Kagan, MD PhD

Other Information

Sponsor: Tufts Medical Center
Phase: Phase 2
Trial ID: NCT00129974
Volunteers:  Not Accepting Healthy Volunteers

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