Double Blind Phase III Trial of Effects of Low Dose 13-Cisretinoic Acid on Prevention of Second Primaries in Stages I-II Head and Neck Cancer
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ClinicalTrials.gov Identifier: NCT03370367 |
Recruitment Status :
Completed
First Posted : December 12, 2017
Last Update Posted : September 16, 2019
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In this trial the investigators propose to utilize 13-cRA to prevent dysplastic changes and second malignancies in patients with squamous cell carcinoma of the head and neck regions who have a high probability of cure from their primary cancer. Comparisons between patients treated by 13-cRA and patients receiving placebo will include:
- The time to diagnosis of second primary for the treatment versus control groups.
- Survival time for the treatment versus control groups.
- Secondarily, the cost-benefit ratio for 13-cRA will be analyzed by assessing the toxicities of 13-cis retinoic acid treated patients in comparison to those experienced by placebo treated patients.
Condition or disease | Intervention/treatment | Phase |
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Stage I-II Head and Neck Cancer | Drug: 13-cis retinoic acid Other: Placebo | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 189 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Participant) |
Primary Purpose: | Prevention |
Official Title: | Double Blind Phase III Trial of Effects of Low Dose 13-Cisretinoic Acid on Prevention of Second Primaries in Stages I-II Head and Neck Cancer |
Actual Study Start Date : | February 25, 1991 |
Actual Primary Completion Date : | January 15, 1999 |
Actual Study Completion Date : | April 14, 2015 |

Arm | Intervention/treatment |
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Experimental: Arm A
13-cis retinoic acid will be dispensed in 3.75 mg and 5 mg gelatin capsules. Take 2 capsules once a day for up to 2 years.
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Drug: 13-cis retinoic acid
Taken daily. |
Placebo Comparator: Arm B
Take 2 placebo pills once a day for up to 2 years.
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Other: Placebo
Placebo |
- The time to diagnosis of second primary for the treatment versus control groups. [ Time Frame: 20 years ]
- Survival time for the treatment versus control groups. [ Time Frame: 20 years ]

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Inclusion Criteria:
- Informed consent i obtained, the approved form is signed, and on file at the institution.
- Histologically confirmed squamous cell carcinoma.
- All chest x-rays and cervical spine x-rays done after definitive treatment within 35 days prior to randomization and all hematology andchemistries done within 2 weeks prior to randomization.
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The following sites and stages of cancers will be eligible. Oral Cavity
- T1 NO
- T2 NO 3.142 Oropharynx
- T1 NO
- T2 NO 3.143 Hypopharynx
1. T1 NO 3.144 Larynx
- T1 NO
- T2 NO
- Age greater than 18 years.
- ECOG performance status 0 or 1.
- Patients must have adequate bone marrow, hepatic and renal function defined as follows: WBC >3,500/mm, Platelets > 125,000/mm.3 Total Bilirubin < 2 mg%, Serum creatinine < 2.5 mg%. Serum SGOT < 2x normal, Alkaline Phosphatase < 2x normal. Fasting Serum triglyceride levels < 210 mg %. Fasting cholesterol < 350 mg %. Patient may not be under systemic therapy for hyperlipidemia or have symptomatic arteriosclerotic coronary artery disease or have undergone coronary bypass surgery.
- The patient must have completed primary treatment of their cancer with surgery and/or radiation therapy within 730 days prior to randomization.
- The patient has had surgery and/or radiation therapy as outlined in Sections 5.0 and 6.0, and has been rendered disease-free.
- If currently receiving, patient must discontinue mega vitamin doses
Exclusion Criteria:
- Women of child bearing potential.
- Patient with severe coronary artery disease (Class III-IV New York Heart Association.)
- Histology other than squamous cell carcinoma.
- Distant metastases.
- Completion of previous treatment for their primary cancer with radiation, or surgery (except for biopsy) more than 730 days ago.
- Prior, synchronous, or concurrent malignancy except basal cell skin cancer.
- Failure to be rendered disease-free of primary tumor (includes positive surgical margins).
- The patient has had prior therapy other than that outlined in Sections 5.0 and 6.0 of the protocol.
Responsible Party: | Eastern Cooperative Oncology Group |
ClinicalTrials.gov Identifier: | NCT03370367 |
Other Study ID Numbers: |
C0590 |
First Posted: | December 12, 2017 Key Record Dates |
Last Update Posted: | September 16, 2019 |
Last Verified: | December 2017 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | Yes |
Head and Neck Neoplasms Neoplasms by Site Neoplasms Tretinoin |
Isotretinoin Antineoplastic Agents Keratolytic Agents Dermatologic Agents |