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The prognostic value of interim positron emission tomography scan in patients with classical Hodgkin lymphoma.

ABSTRACT: The prognostic value of interim positron emission tomography (PET) was evaluated after 2 cycles of doxorubicin, bleomycin, vinblastin and dacarbazine in classical Hodgkin lymphoma patients (n = 229), based on Deauville criteria. In early stage non-bulky disease, bulky stage II disease, advanced stage low International Prognostic Score (IPS ?2) and advanced stage (IPS ?3), 3-year progression-free survival rates in PET2-negative vs. PET2-positive groups were 95·9% vs. 76·9% (P < 0·0018), 83·3% vs. 20·0% (P = 0·017), 77·0% vs. 30·0% (P < 0·001) and 71·0% vs. 44·4%(P = 0·155), respectively. The outcome after positive PET2 was better than previously reported. The results from non-randomized studies of PET2-guided therapy would be valuable with careful interpretation.

SUBMITTER: Oki Y

PROVIDER: S-EPMC5308126 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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The prognostic value of interim positron emission tomography scan in patients with classical Hodgkin lymphoma.

Oki Yasuhiro Y Chuang Hubert H Chasen Beth B Jessop Aaron A Pan Tinsu T Fanale Michelle M Dabaja Bouthaina B Fowler Nathan N Romaguera Jorge J Fayad Luis L Hagemeister Fredrick F Rodriguez Maria Alma MA Neelapu Sattva S Samaniego Felipe F Kwak Larry L Younes Anas A

British journal of haematology 20140106 1

The prognostic value of interim positron emission tomography (PET) was evaluated after 2 cycles of doxorubicin, bleomycin, vinblastin and dacarbazine in classical Hodgkin lymphoma patients (n = 229), based on Deauville criteria. In early stage non-bulky disease, bulky stage II disease, advanced stage low International Prognostic Score (IPS ≤2) and advanced stage (IPS ≥3), 3-year progression-free survival rates in PET2-negative vs. PET2-positive groups were 95·9% vs. 76·9% (P < 0·0018), 83·3% vs. ...[more]

PMID: 24386943

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Project description:PurposePatients with bulky stage I/II classic Hodgkin lymphoma (cHL) are typically treated with chemotherapy followed by radiation. Late effects associated with radiotherapy include increased risk of second cancer and cardiovascular disease. We tested a positron emission tomography (PET)-adapted approach in patients with bulky, early-stage cHL, omitting radiotherapy in patients with interim PET-negative (PET-) disease and intensifying treatment in patients with PET-positive (PET+) disease.MethodsEligible patients with bulky disease (mass > 10 cm or 1/3 the maximum intrathoracic diameter on chest x-ray) received two cycles of doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD) followed by interim fluorodeoxyglucose PET (PET2). Patients with PET2-, defined as 1-3 on the 5-point scale, received four additional cycles of doxorubicin, bleomycin, vinblastine, and dacarbazine. Patients with PET2+ received four cycles of escalated bleomycin, etoposide, doxorubicin, cyclophosphamide, vincristine, procarbazine, and prednisone followed by 30.6 Gy involved-field radiation.ResultsOf 94 evaluable patients, 53% were female with median age 30 years (range, 18-58 years). Eight-five (90%) had stage II disease, including 48 (51%) with stage IIB/IIBE. Seventy-eight (78%) were PET2- and 21 (22%) were PET2+. The predominant toxicity was neutropenia, with 9% of patients developing febrile neutropenia and one developing sepsis. The primary end point of 3-year progression-free survival (PFS) was 93.1% in PET2- and 89.7% in PET2+ patients. Three-year overall survival was 98.6% and 94.4%, respectively. The estimated hazard ratio comparing PFS of patients with PET2+ and patients with PET2- was 1.03 (85% upper bound 2.38) and was significantly less than the null hypothesis of 4.1 (one-sided P = .04).ConclusionOur study of PET-adapted therapy in bulky stage I/II cHL met its primary goal and was associated with an excellent 3-year PFS rate of 92.3% in all patients, with the majority being spared radiotherapy and exposure to intensified chemotherapy.

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The prognostic value of interim positron emission tomography scan in patients with classical Hodgkin lymphoma.

Publications

The prognostic value of interim positron emission tomography scan in patients with classical Hodgkin lymphoma.

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