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PubMed1997

A review of the use of radio-isotopes in medicine and medical research in Australia (1947-73).

Recent reports in the Australian media have claimed that after the Second World War 'hundreds of (Australians) were injected with radioactive materials in medical experiments that continued in Australian hospitals until the 1960s'. These claims prompted a review of archival records of the Australian Radiation Laboratory (ARL) that are held by the Australian Archives pertaining to the medical uses of radio-isotopes during the period 1947-73. The material examined indicates that the procurement, distribution, and therapeutic and diagnostic uses of radio-isotopes were stringently controlled by the Radio-isotopes Standing committee (RSC) until 1973, when the responsibility of regulation of medical uses of radio-isotopes passed to the Therapeutic Goods Administration. On the basis of available information it appears that the claims made by the media that many Australians were subjected to unconscionable medical experiments are unjustified. A full report has been released by the Commonwealth Minister for Human Services and Health. The following is an abridged version of that report, detailing some of the more contentious uses of radio-isotopes for medical purposes in Australia during the period 1947-73.

Advisory Committees↗
PubMed2005

GEC/ESTRO-EAU recommendations on temporary brachytherapy using stepping sources for localised prostate cancer.

BACKGROUND AND PURPOSE: The aim of this paper is to present the GEC/ESTRO-EAU recommendations for template and transrectal ultrasound (TRUS) guided transperineal temporary interstitial prostate brachytherapy using a high dose rate iridium-192 stepping source and a remote afterloading technique. Experts in prostate brachytherapy developed these recommendations on behalf of the GEC/ESTRO and of the EAU. The paper has been approved by both GEC/ESTRO steering committee members and EAU committee members. PATIENTS AND METHODS: Interstitial brachytherapy (BT) to organ confined prostate cancer can be applied as a boost treatment in combination with external beam radiation therapy (EBRT) using a proper number of BT fractions in curative intent. Temporary transperineal BT alone or in combination with EBRT are feasible as a palliative/salvage treatment modality because of local recurrence, however, without large clinical experience. The use of temporary BT as a monotherapy is subject of ongoing clinical research. RESULTS: Recommendations for pre-treatment investigations, patient selection, equipment and facilities, the clinical team, the implant procedure (treatment planning and needle implantation) dose and fractionation, reporting, management of side effects and follow-up are given. CONCLUSIONS: These recommendations are intended to be technically and advisory in nature, but the ultimate responsibility for the medical decision rests with the treating physician. Although, this paper represents the consensus of an interdisciplinary group of experts, TRUS and template guided temporary transperineal interstitial implants in prostate cancer are a constantly evolving field and the recommendations are subject to modifications as new data become available.

Brachytherapy↗
PubMed1999

American Brachytherapy Society (ABS) recommendations for transperineal permanent brachytherapy of prostate cancer.

PURPOSE/OBJECTIVE: To develop and disseminate the American Brachytherapy Society (ABS) recommendations for the clinical quality assurance and guidelines of permanent transperineal prostate brachytherapy with 125I or 103Pd. METHODS AND MATERIALS: The ABS formed a committee of experts in prostate brachytherapy to develop consensus guidelines through a critical analysis of published data supplemented by their clinical experience. The recommendations of the panels were reviewed and approved by the Board of Directors of the ABS. RESULTS: Patients with high probability of organ-confined disease are appropriately treated with brachytherapy alone. Brachytherapy candidates with a significant risk of extraprostatic extension should be treated with supplemental external beam radiation therapy (EBRT). Patient selection guidelines were developed. Dosimetric planning of the implant should be carried out for all patients before seed insertion. A modified peripheral loading is preferred. The AAPM TG-43 recommendations requiring a change in prescription dose for 125I sources should be universally implemented. The recommended prescription doses for monotherapy are 145 Gy for 125I and 115-120 Gy for 103Pd. The corresponding boost doses (after 40-50 Gy EBRT) are 100-110 Gy and 80-90 Gy, respectively. Clinical evidence to guide selection of radionuclide (103Pd or 125I) is lacking. Post implant dosimetry and evaluation must be performed on all patients. It is suggested that the dose that covers 90% (D90) and 100% (D100) of the prostate volume and the percentage of the prostate volume receiving the prescribed dose (V100) be obtained from a dose-volume histogram (DVH) and reported. CONCLUSION: Guidelines for appropriate patient selection, dose reporting, and improved quality of permanent prostate brachytherapy are presented. These broad recommendations are intended to be technical and advisory in nature, but the ultimate responsibility for the medical decisions rests with the treating physician. This is a constantly evolving field, and the recommendations are subject to modifications as new data becomes available.

Biopsy↗