Here's some further description of how kidney exchange is conducted in India without authorization* to use nondirected donors (so that all exchanges are conducted in cycles, i.e. in the absence of chains of exchange).
Vivek B. Kute, Himanshu V Patel, Subho Banerjee,Divyesh P Engineer, Ruchir B Dave, Nauka Shah, Sanshriti Chauhan ,Harishankar Meshram , Priyash Tambi , Akash Shah, Khushboo Saxena,Manish Balwani , Vishal Parmar, Shivam Shah, Ved Prakash ,Sudeep Patel, Dev Patel, Sudeep Desai, Jamal Rizvi , Harsh Patel, Beena Parikh, Kamal Kanodia, Shruti Gandhi, Michael A Rees, Alvin E Roth, Pranjal Modi “Impact of single centre kidney-exchange transplantation to increase living donor pool in India: A cohort study involving non-anonymous allocation,”Nephrology, September 2024, https://onlinelibrary.wiley.com/doi/10.1111/nep.14380
"In India, 85% of organ donations are from living donors and 15% are from deceased donors. One-third of living donors were rejected because of ABO or HLA incompatibility. Kidney exchange transplantation (KET) is a cost-effective and legal strategy to increase living donor kidney transplantation (LDKT) by 25%–35%.
"3.3 Non-anonymous allocation
"The THOA*, which regulates KET in India, is silent on the need for anonymity, so there is no legal requirement for anonymity in India, as compared with other countries, such as the Netherlands and Sweden. Our experience was that 90% of iDRP [incompatible Donor-Recipient Pairs] requested the opportunity to meet their matched donor and recipient pair (mDRP) and 10% asked the treating physician to decide if they should meet. None of the iDRP requested anonymity. Therefore, we have practiced absolute non-anonymity, meaning that all mDRPs meet and share medical reports after a potential exchange is identified, but before the formal allocation of pairs. If an iDRP requests anonymity, we would be willing to accommodate them, but to date, none have done so.
"Upon meeting with their mDRP, the iDRP can refuse the proposed exchange option without reason and continue to be on the waitlist and active in the KET pool. iDRPs must complete transplant fitness and legal documents required for transplant permission from the health authority before they are given the opportunity to meet their mDRP. A meeting between mDRPs occurs in the presence of a transplant physician, who can help solve any query before the proposed match is accepted by the involved pairs. iDRP are introduced to their mDRP prior to scheduling transplants to avoid chain collapse due to iDRP refusal of the mDRP. The mDRP shares medical reports of donors with each other, can also discuss with their other family members, and consults with their family physician/nephrologist before deciding whether to proceed. Living kidney donors are fully informed of perioperative and long-term risks before making their decision to donate. In India, donor age group matching is most commonly expected for all iDRP in the KAS."
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