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02 January 2024 | Story Leonie Bolleurs
UFS scientists contribute to the battle against cancer
From top left, moving clockwise: Dr Nerina van der Merwe, Dr Osayande Evbuomwan, Prof Alicia Sherriff, Profs Andreas Roodt and Alice Brink.

Cancer stands as a prominent contributor to deaths worldwide, with a big impact on families and communities. Prostate cancer is one of the leading causes of mortality in the world. The recent diagnoses of cervical cancer are 10 702 annually, with 5 870 patients passing away. Female breast cancer surpassed lung cancer as the most commonly diagnosed cancer in 2020 (American Cancer Society), representing 11,7% of all cancer cases, making it the fifth leading cause of cancer mortality worldwide. Researchers at the university are doing their part in the fight against cancer.

Treating prostate cancer

In July 2021, Dr Osayande Evbuomwan, Senior Lecturer and Medical Specialist in the Department of Nuclear Medicine, along with a team of university doctors, initiated patient treatment using radioligand therapy (RLT). This targeted nuclear medicine therapy delivers high radiation levels precisely to cancer cells, minimising damage to normal organs and tissue, a benefit not typically provided by conventional therapies.

It was the first time that Lutetium 177 PSMA – a type of PRRT – has been used to treat patients with metastatic castrateresistant prostate cancer (MCRPC) in the Free State, providing hope when standard treatments and conventional therapy are not an option. This treatment generally enhances quality of life, slows disease progression, and extends overall survival, with minimal side effects.

All three patients treated with Lu 177 PSMA so far have completed at least four therapy cycles and tolerated it well. The first two patients, while initially responding well, sadly passed away due to unrelated causes. The third case stands out as the most successful, responding excellently to seven treatment cycle and remaining in good health.

Dr Evbuomwan recently also obtained a license for a more effective therapy, AC 225 PSMA, as an alternative to Lu 177 PSMA.

Precise cervical cancer therapy

Medical personnel at the Universitas Academic Hospital also became the first in Southern Africa to use interstitial brachytherapy as a method for treating cervical cancer. Prof Alicia Sherriff, Head of the Department of Oncology, explains that brachytherapy – a form of internal radiation therapy – places the radiation source near or inside the cancer. “Precise delivery of curative doses to the cancer protects surrounding organs such as the bladder, rectum, and small bowel,” she explains.

Three to five weekly brachytherapy sessions under conscious sedation usually begins after two weeks of daily external beam radiation. On brachytherapy days, external beam radiation is not administered. “The intracavitary brachytherapy applicators are placed within the cervix and uterus and deliver high doses locally, but for surrounding tissue infiltration, additional needles are inserted via the Venezia applicator, delivering high-dose radiation while sparing organs,” says Prof Sherriff.

Their work aligns with the broader goals of the university and its commitment to advancing health care in the region by ensuring the continued growth of their skills and technology, while applying these skills to improve the possibility of disease control, cure or palliation with quality of life.

Familial breast and ovarian cancer testing

Dr Nerina van der Merwe, a principal medical scientist in the Division of Human Genetics, and colleagues are engaged in breast cancer research. They are involved in translational research using new technologies that, once validated as a first-tier diagnostic test, could revolutionise genetic testing for familial breast and ovarian cancer in South Africa when used in conjunction with genetic counselling. This parallel application is ideally suited for primary hospitals and rural clinics, as it will dramatically increase accessibility and uptake of genetic testing in rural areas.

By performing first-tier genetic testing at a community clinic, patients no longer have to be transported to tertiary hospitals for testing, and more patients and related family members who are unaware of a familial predisposition will be reached. “By warning unaffected related individuals about their potential increased risk, we can play a part in the earlier detection or diagnosis of patients, improving their cancer survival rate,” states Dr Van der Merwe.

Patenting cancer research

Prof Andreas Roodt, a retired Distinguished Professor in the Department of Chemistry, and colleagues – particularly Prof Alice Brink and co-worker Prof Roger Alberto from the University of Zurich – have published widely on the chemistry of radiopharmaceutical models. Since the 2000s, the world has introduced the concept of ‘theranostics,’ which involves the use of a single compound for both cancer detection and therapy. “These compounds contain a radioisotope that provides internal radiation for cancer detection (diagnostic) and a second part for treatment,” explains Prof Roodt.

Their research enables the high-yield preparation of compounds containing multiple isotopes often present in very low concentrations. “This allows combining diagnostic isotopes such as technetium-99m (used in >80% of diagnostic patient studies worldwide) with therapeutic radioisotopes, such as rhenium-186 (used for bone cancer therapy), with ease. Many therapeutic radioisotopes do not have good diagnostic radiation; thus, by combining the two types of radioisotopes in one medicine, the oncologist can now clearly see where the therapeutic part is going and apply more effective treatment,” he says.

News Archive

Qwaqwa Campus opens: Prof. PA Mbati's speech
2005-01-22

Official welcome speech by Prof. PA Mbati for 2005 first year students held on Saturday 22nd January 2005. Program Director, The Chief Director Operations Rev. Kiepi Jaftha, Dean of Students Dr. Natie Luyt, Program Head of the Faculty of Humanities, Dr. Elias Malete, Program Head of Faculty of Natural and Agricultural Sciences, Prof. Riaan Luyt, Acting Program Head of the Faculty of Economics and Management Sciences Prof. Andries Venter, Deputy Director Student Affairs Mr. Teboho Manchu, Coordinator Finance: Mrs. Elizabeth Nchapi, Senior Librarian Mr. Stoffel Kok, Senior Magistrate Mr Saul Mohosho, SRC President Mr. Tello Motloung, members of staff, invited guests, parents, guardians, my dear students, ladies and gentlemen.

It is indeed my pleasure to welcome you to the official welcoming ceremony of the UFS-Qwaqwa Campus 2005 first year students. Our Rector and Vice Chancellor Professor Frederick has requested me to pass to you his warmest wishes and regards on this special occasion. I am confident that the orientation exercise in which you have participated has achieved the desired effect of introducing you to your new way of life here on campus, and that you are now sufficiently prepared to get on with the rigors of being a student at this University.

Following the restructuring of the higher education landscape, the Qwaqwa campus was incorporated into the University of the Free State with effect from January 1 2003 . As a consequence, Management was faced with a whole complex series of challenges including, primarily making the campus financially viable, but also ensuring that it remains relevant in it’s core business as a satellite campus of the University of the Free State in terms of its teaching, learning, research and community service responsibilities.

A whole series of strategic planning workshops were conducted last year with both internal and external stakeholders. Various important strategic objectives were flagged out, and the next level of consultation will take place soon. I know that there is a lot of eagerness, sometimes to the level of impatience to see this process completed as quickly as possible. But again on the other hand, due to the far reaching consequences of any hasty decisions, plus the need for a carefully planned process, we need to be a little more patient before the implementation of the strategic objectives is implemented. You will be kept informed as this important and critical aspect in the evolution of our campus takes place.

As a response to the need for a more effective governance model on the Qwaqwa campus, a review of the governance structure was completed towards the end of 2004 and will soon serve before the Executive of the Executive Management for approval.

Due to the importance that top management attaches to the development of an effective governance on the Qwaqwa campus, the process was facilitated by an internationally acclaimed consultant. Again the contents of the revised governance model will be made known to the campus and the broader community once it is approved.

I am glad to report that in recognition of the need to improve the infrastructure on campus to provide a conducive learning atmosphere to our students, a total of 8.2 million rands was made available towards the end of 2004 for recapitalization of specifically our student residences and lecture venues. The first phase of the residence renovation is completed and residences C, D and E have now been officially handed over to the University by the Contractor. Among the features of the renovated residences is that they will now computer rooms, kitchenettes for cooking, and a redesigned TV room. The rooms have even been fitted with heaters. Our challenge will now be to maintain our newly acquired facilities and to ensure that they do not again deteriorate to an un-acceptable level. The second phase of renovation will start soon.

As indicated in my address during the orientation week, our obligation to you as a campus is to offer you quality training to the best of our ability, and to disseminate this knowledge to you within a conducive atmosphere worthy of good learning. On the other hand, our students have to take advantage of this opportunity to acquire the necessary skills and training in the various academic programs that we offer on campus.

We have a very simple agenda on this campus – our vision is to continuously strive to build and develop the Qwaqwa campus of University of the Free State into a truly quality institution of higher learning in our country. To develop a tradition and culture in which we are proud of who we are, and constantly and tirelessly working towards excellence in our academic programs, and other non-academic but core and important aspects in your growth and development such as sport and community service. To nurture young conscientious citizens who are aware of their duties and responsibilities. Ultimately to produce hard working young people who fully exploit their potentials, and who will serve this country with diligence when unleashed into the real world in effectively managing their roles and responsibilities in society, whether in private or government civil service.

I would like to encourage that the various stake holders of this campus, the students, academic, administrative and support staff, and our broader community, to work together in harmony for the well being of our campus. For this campus to continue to be relevant in the environment that we find ourselves, there is a need for continuous engagement of its various stake holders, and genuinely listening to each other. We must continuously and regularly keep our feelers on alert in order that we can remain relevant.

I am particularly inviting our parents and guardians, the alumni of this campus, and leaders from our community to join hands with us in seeking solutions to the various challenges that we continue to face on campus. I am open for frank and honest discourse on the best way forward for our campus.

The University of the Free State is committed in making tertiary education accessible to as many students as possible. In this regard, students who do not have the required ‘M’ score to gain entry into main stream classes are given an opportunity to study in the highly successful ‘bridging program’ in which learners are integrated with main stream students but with fewer courses to tackle in order to ensure success. This is done on the premise that such students have the potential to pursue a degree course, and that therefore within a well structured program, they can make a success of their lives.

The University is conscious of the fact that in many instances several academically deserving students fail to be admitted into university due to financial reasons. For students who are academically deserving but who because of reasons of poverty cannot pay the requisite fees, the university is able to assist such students through the National Financial Aid Scheme – commonly known as NSFAS, and University Merit Awards. Other incentives such as Sports bursaries are also available.

Please remember that it is important to balance your life on campus and the phrase ‘a healthy mind in a healthy body’ aptly describes this statement. Ensure that you participate in sport and cultural activities of this campus so that you can develop and strengthen the various God-given talents that you have been blessed with.

A second major ingredient for your success on campus is discipline and respect for rules, policies and procedures that govern the University of the Free State , and respect for your fellow students. Good discipline is a major contributory factor to success in life, and more so in your formative academic life at University. This means for example that you must attend all your lectures, complete your assignments on-time and visit the library frequently. Please manage your time wisely and responsibly. Remember that as a university student, you are basically the master and architect of your own destiny.

Think very carefully when you are confronted with difficult situations, be they negative peer pressure, or temptations to indulge in intoxicating drugs, and make the right choice.

The University has well trained personnel including a social worker, a psychologist and counselor, and members of the student affairs division under the leadership of Mr. Teboho Manchu, Deputy Director Student Affairs, who are available to assist whenever you require their help.

Today is also a special day because we have officially inaugurated the SRC President and the rest of the SRC leadership. I am sure that you all join me in congratulating the SRC for being elected to their leadership roles for 2005. Mr. SRC president and your team, please remember that you now have a huge responsibility in carrying out the aspirations of the student body on campus. I want to wish you luck and success as you champion the rights of your constituents, which I believe and trust will be compatible with management’s expectations with regard to quality teaching and learning on campus. As you are aware, Management values the input that the student leadership makes in the operational management of the affairs of this campus, and we look forward to a cordial, non-confrontational working relationship with a view of rendering un-paralleled service on campus.

Mr. Program Director, allow me to wish everyone here a successful and prosperous year. May the good Lord give us the strength and courage to overcome any obstacle that may be placed in our way in the course of our work in 2005.

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